./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7004d2b01bb7d5c4b1956f589017b61646e33c2f2be997467596b458e0de6322 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:48:15,870 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:48:15,983 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-13 13:48:15,991 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:48:15,992 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:48:16,029 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:48:16,031 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:48:16,031 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:48:16,032 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:48:16,032 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:48:16,033 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:48:16,034 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:48:16,034 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:48:16,034 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:48:16,034 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:48:16,035 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:48:16,035 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:48:16,035 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:48:16,035 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:48:16,035 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:48:16,035 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:48:16,035 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:48:16,035 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:48:16,035 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:48:16,035 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:48:16,035 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 13:48:16,036 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:48:16,036 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:48:16,036 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:48:16,036 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:48:16,036 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:48:16,036 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:48:16,036 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:48:16,036 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:48:16,037 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:48:16,038 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:48:16,038 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:48:16,038 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:48:16,038 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:48:16,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:48:16,038 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:48:16,038 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:48:16,039 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:48:16,039 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:48:16,039 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7004d2b01bb7d5c4b1956f589017b61646e33c2f2be997467596b458e0de6322 [2024-11-13 13:48:16,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:48:16,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:48:16,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:48:16,421 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:48:16,421 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:48:16,423 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound20.c Unable to find full path for "g++" [2024-11-13 13:48:18,221 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:48:18,468 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:48:18,473 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_unwindbound20.c [2024-11-13 13:48:18,485 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/data/deb6651e5/2e37fdf3bc864500aa1c8b58ba571e88/FLAGbef1e00b4 [2024-11-13 13:48:18,773 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/data/deb6651e5/2e37fdf3bc864500aa1c8b58ba571e88 [2024-11-13 13:48:18,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:48:18,777 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:48:18,779 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:48:18,779 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:48:18,783 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:48:18,784 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:48:18" (1/1) ... [2024-11-13 13:48:18,785 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f6fc266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:18, skipping insertion in model container [2024-11-13 13:48:18,785 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:48:18" (1/1) ... [2024-11-13 13:48:18,800 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:48:18,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:48:18,979 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:48:18,999 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:48:19,012 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:48:19,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:19 WrapperNode [2024-11-13 13:48:19,013 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:48:19,014 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:48:19,014 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:48:19,014 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:48:19,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:19" (1/1) ... [2024-11-13 13:48:19,028 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:19" (1/1) ... [2024-11-13 13:48:19,056 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 153 [2024-11-13 13:48:19,060 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:48:19,061 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:48:19,061 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:48:19,061 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:48:19,077 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:19" (1/1) ... [2024-11-13 13:48:19,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:19" (1/1) ... [2024-11-13 13:48:19,082 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:19" (1/1) ... [2024-11-13 13:48:19,106 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-13 13:48:19,106 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:19" (1/1) ... [2024-11-13 13:48:19,107 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:19" (1/1) ... [2024-11-13 13:48:19,115 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:19" (1/1) ... [2024-11-13 13:48:19,125 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:19" (1/1) ... [2024-11-13 13:48:19,131 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:19" (1/1) ... [2024-11-13 13:48:19,132 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:19" (1/1) ... [2024-11-13 13:48:19,134 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:48:19,134 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:48:19,135 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:48:19,135 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:48:19,136 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:19" (1/1) ... [2024-11-13 13:48:19,154 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:48:19,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:19,187 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:48:19,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:48:19,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:48:19,223 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 13:48:19,223 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 13:48:19,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 13:48:19,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:48:19,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:48:19,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 13:48:19,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 13:48:19,308 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:48:19,310 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:48:20,066 INFO L? ?]: Removed 138 outVars from TransFormulas that were not future-live. [2024-11-13 13:48:20,066 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:48:20,089 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:48:20,089 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-13 13:48:20,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:48:20 BoogieIcfgContainer [2024-11-13 13:48:20,090 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:48:20,092 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:48:20,092 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:48:20,102 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:48:20,102 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:48:18" (1/3) ... [2024-11-13 13:48:20,103 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@474a9686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:48:20, skipping insertion in model container [2024-11-13 13:48:20,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:48:19" (2/3) ... [2024-11-13 13:48:20,104 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@474a9686 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:48:20, skipping insertion in model container [2024-11-13 13:48:20,104 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:48:20" (3/3) ... [2024-11-13 13:48:20,106 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd3-ll_unwindbound20.c [2024-11-13 13:48:20,123 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:48:20,125 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG egcd3-ll_unwindbound20.c that has 3 procedures, 146 locations, 1 initial locations, 3 loop locations, and 56 error locations. [2024-11-13 13:48:20,193 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:48:20,210 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@32a3fe4a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:48:20,210 INFO L334 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2024-11-13 13:48:20,217 INFO L276 IsEmpty]: Start isEmpty. Operand has 146 states, 80 states have (on average 1.8375) internal successors, (147), 136 states have internal predecessors, (147), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-13 13:48:20,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 13:48:20,227 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:20,227 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:20,228 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:48:20,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:20,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1773852000, now seen corresponding path program 1 times [2024-11-13 13:48:20,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:20,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134474947] [2024-11-13 13:48:20,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:20,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:20,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:48:20,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:20,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:48:20,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:20,424 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:48:20,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:20,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134474947] [2024-11-13 13:48:20,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134474947] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:48:20,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:48:20,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:48:20,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277949432] [2024-11-13 13:48:20,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:48:20,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 13:48:20,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:20,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 13:48:20,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:48:20,464 INFO L87 Difference]: Start difference. First operand has 146 states, 80 states have (on average 1.8375) internal successors, (147), 136 states have internal predecessors, (147), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 13:48:20,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:20,505 INFO L93 Difference]: Finished difference Result 288 states and 324 transitions. [2024-11-13 13:48:20,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:48:20,507 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2024-11-13 13:48:20,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:48:20,515 INFO L225 Difference]: With dead ends: 288 [2024-11-13 13:48:20,515 INFO L226 Difference]: Without dead ends: 139 [2024-11-13 13:48:20,520 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:48:20,526 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:48:20,526 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:48:20,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-13 13:48:20,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2024-11-13 13:48:20,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 75 states have (on average 1.8133333333333332) internal successors, (136), 130 states have internal predecessors, (136), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 13:48:20,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 148 transitions. [2024-11-13 13:48:20,607 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 148 transitions. Word has length 15 [2024-11-13 13:48:20,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:48:20,607 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 148 transitions. [2024-11-13 13:48:20,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 13:48:20,607 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 148 transitions. [2024-11-13 13:48:20,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 13:48:20,608 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:20,608 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:20,609 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:48:20,609 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:48:20,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:20,610 INFO L85 PathProgramCache]: Analyzing trace with hash -1762796737, now seen corresponding path program 1 times [2024-11-13 13:48:20,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:20,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340751101] [2024-11-13 13:48:20,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:20,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:20,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:20,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:48:20,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:20,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:48:20,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:20,811 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:48:20,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:20,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340751101] [2024-11-13 13:48:20,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340751101] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:48:20,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:48:20,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:48:20,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033563042] [2024-11-13 13:48:20,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:48:20,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:48:20,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:20,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:48:20,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:48:20,814 INFO L87 Difference]: Start difference. First operand 139 states and 148 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:48:20,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:20,911 INFO L93 Difference]: Finished difference Result 179 states and 189 transitions. [2024-11-13 13:48:20,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:48:20,916 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2024-11-13 13:48:20,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:48:20,917 INFO L225 Difference]: With dead ends: 179 [2024-11-13 13:48:20,917 INFO L226 Difference]: Without dead ends: 178 [2024-11-13 13:48:20,918 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:48:20,919 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 45 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:48:20,919 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 412 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:48:20,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-11-13 13:48:20,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 141. [2024-11-13 13:48:20,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 77 states have (on average 1.7922077922077921) internal successors, (138), 132 states have internal predecessors, (138), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 13:48:20,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 150 transitions. [2024-11-13 13:48:20,935 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 150 transitions. Word has length 15 [2024-11-13 13:48:20,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:48:20,937 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 150 transitions. [2024-11-13 13:48:20,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:48:20,938 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 150 transitions. [2024-11-13 13:48:20,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 13:48:20,938 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:20,938 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:20,939 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:48:20,939 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:48:20,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:20,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1187876044, now seen corresponding path program 1 times [2024-11-13 13:48:20,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:20,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883844766] [2024-11-13 13:48:20,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:20,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:20,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:21,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:48:21,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:21,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:48:21,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:21,050 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:48:21,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:21,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883844766] [2024-11-13 13:48:21,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883844766] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:48:21,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:48:21,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:48:21,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312145749] [2024-11-13 13:48:21,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:48:21,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:48:21,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:21,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:48:21,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:48:21,052 INFO L87 Difference]: Start difference. First operand 141 states and 150 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:48:21,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:21,131 INFO L93 Difference]: Finished difference Result 172 states and 181 transitions. [2024-11-13 13:48:21,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:48:21,134 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 16 [2024-11-13 13:48:21,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:48:21,135 INFO L225 Difference]: With dead ends: 172 [2024-11-13 13:48:21,135 INFO L226 Difference]: Without dead ends: 143 [2024-11-13 13:48:21,135 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:48:21,136 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 8 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:48:21,136 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 415 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:48:21,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-11-13 13:48:21,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2024-11-13 13:48:21,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 79 states have (on average 1.7721518987341771) internal successors, (140), 134 states have internal predecessors, (140), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 13:48:21,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 152 transitions. [2024-11-13 13:48:21,155 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 152 transitions. Word has length 16 [2024-11-13 13:48:21,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:48:21,155 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 152 transitions. [2024-11-13 13:48:21,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:48:21,156 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 152 transitions. [2024-11-13 13:48:21,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 13:48:21,156 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:21,159 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:21,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 13:48:21,160 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:48:21,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:21,160 INFO L85 PathProgramCache]: Analyzing trace with hash 1779722946, now seen corresponding path program 1 times [2024-11-13 13:48:21,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:21,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621553051] [2024-11-13 13:48:21,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:21,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:21,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:48:21,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:21,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:48:21,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:21,329 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 13:48:21,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:21,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621553051] [2024-11-13 13:48:21,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621553051] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:48:21,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:48:21,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 13:48:21,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10114780] [2024-11-13 13:48:21,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:48:21,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:48:21,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:21,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:48:21,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:48:21,332 INFO L87 Difference]: Start difference. First operand 143 states and 152 transitions. Second operand has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:48:21,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:21,824 INFO L93 Difference]: Finished difference Result 241 states and 264 transitions. [2024-11-13 13:48:21,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 13:48:21,828 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2024-11-13 13:48:21,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:48:21,829 INFO L225 Difference]: With dead ends: 241 [2024-11-13 13:48:21,829 INFO L226 Difference]: Without dead ends: 213 [2024-11-13 13:48:21,830 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:48:21,831 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 253 mSDsluCounter, 294 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:48:21,831 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [257 Valid, 391 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:48:21,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-11-13 13:48:21,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 144. [2024-11-13 13:48:21,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 80 states have (on average 1.7625) internal successors, (141), 135 states have internal predecessors, (141), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 13:48:21,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 153 transitions. [2024-11-13 13:48:21,854 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 153 transitions. Word has length 19 [2024-11-13 13:48:21,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:48:21,854 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 153 transitions. [2024-11-13 13:48:21,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.5) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:48:21,854 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 153 transitions. [2024-11-13 13:48:21,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 13:48:21,855 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:21,855 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:21,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 13:48:21,855 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:48:21,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:21,856 INFO L85 PathProgramCache]: Analyzing trace with hash -663165261, now seen corresponding path program 1 times [2024-11-13 13:48:21,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:21,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630977798] [2024-11-13 13:48:21,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:21,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:21,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:48:21,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:21,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:48:21,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:21,988 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:48:21,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:21,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630977798] [2024-11-13 13:48:21,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630977798] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:48:21,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:48:21,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:48:21,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219573500] [2024-11-13 13:48:21,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:48:21,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:48:21,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:21,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:48:21,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:48:21,991 INFO L87 Difference]: Start difference. First operand 144 states and 153 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:48:22,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:22,098 INFO L93 Difference]: Finished difference Result 208 states and 220 transitions. [2024-11-13 13:48:22,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 13:48:22,099 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20 [2024-11-13 13:48:22,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:48:22,100 INFO L225 Difference]: With dead ends: 208 [2024-11-13 13:48:22,100 INFO L226 Difference]: Without dead ends: 206 [2024-11-13 13:48:22,101 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:48:22,102 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 128 mSDsluCounter, 403 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:48:22,102 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 538 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:48:22,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2024-11-13 13:48:22,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 163. [2024-11-13 13:48:22,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 99 states have (on average 1.7575757575757576) internal successors, (174), 154 states have internal predecessors, (174), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 13:48:22,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 186 transitions. [2024-11-13 13:48:22,113 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 186 transitions. Word has length 20 [2024-11-13 13:48:22,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:48:22,114 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 186 transitions. [2024-11-13 13:48:22,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 6 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:48:22,114 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 186 transitions. [2024-11-13 13:48:22,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 13:48:22,115 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:22,115 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:22,115 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 13:48:22,115 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:48:22,116 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:22,116 INFO L85 PathProgramCache]: Analyzing trace with hash 916713450, now seen corresponding path program 1 times [2024-11-13 13:48:22,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:22,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129329403] [2024-11-13 13:48:22,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:22,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:22,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:22,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:48:22,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:22,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:48:22,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:22,225 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:48:22,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:22,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129329403] [2024-11-13 13:48:22,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129329403] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:48:22,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:48:22,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:48:22,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527470658] [2024-11-13 13:48:22,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:48:22,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:48:22,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:22,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:48:22,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:48:22,230 INFO L87 Difference]: Start difference. First operand 163 states and 186 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:48:22,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:22,323 INFO L93 Difference]: Finished difference Result 316 states and 363 transitions. [2024-11-13 13:48:22,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 13:48:22,324 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2024-11-13 13:48:22,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:48:22,326 INFO L225 Difference]: With dead ends: 316 [2024-11-13 13:48:22,326 INFO L226 Difference]: Without dead ends: 167 [2024-11-13 13:48:22,327 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:48:22,328 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 16 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 544 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:48:22,328 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 544 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:48:22,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-13 13:48:22,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2024-11-13 13:48:22,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 103 states have (on average 1.7281553398058251) internal successors, (178), 158 states have internal predecessors, (178), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-13 13:48:22,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 190 transitions. [2024-11-13 13:48:22,349 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 190 transitions. Word has length 21 [2024-11-13 13:48:22,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:48:22,349 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 190 transitions. [2024-11-13 13:48:22,350 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:48:22,350 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 190 transitions. [2024-11-13 13:48:22,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 13:48:22,350 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:22,350 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:22,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-13 13:48:22,351 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:48:22,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:22,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1645543919, now seen corresponding path program 1 times [2024-11-13 13:48:22,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:22,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442284653] [2024-11-13 13:48:22,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:22,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:22,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:48:22,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [850255409] [2024-11-13 13:48:22,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:22,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:48:22,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:22,386 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:48:22,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 13:48:22,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:22,452 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 13:48:22,456 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:48:22,503 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:48:22,503 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:48:22,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:22,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442284653] [2024-11-13 13:48:22,504 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:48:22,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [850255409] [2024-11-13 13:48:22,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [850255409] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:48:22,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:48:22,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:48:22,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348879604] [2024-11-13 13:48:22,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:48:22,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:48:22,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:22,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:48:22,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:48:22,507 INFO L87 Difference]: Start difference. First operand 167 states and 190 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:48:22,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:22,799 INFO L93 Difference]: Finished difference Result 252 states and 292 transitions. [2024-11-13 13:48:22,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:48:22,799 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2024-11-13 13:48:22,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:48:22,801 INFO L225 Difference]: With dead ends: 252 [2024-11-13 13:48:22,801 INFO L226 Difference]: Without dead ends: 248 [2024-11-13 13:48:22,801 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:48:22,802 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 68 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:48:22,802 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 249 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:48:22,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-11-13 13:48:22,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 216. [2024-11-13 13:48:22,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 148 states have (on average 1.7432432432432432) internal successors, (258), 203 states have internal predecessors, (258), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:48:22,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 278 transitions. [2024-11-13 13:48:22,814 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 278 transitions. Word has length 25 [2024-11-13 13:48:22,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:48:22,814 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 278 transitions. [2024-11-13 13:48:22,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:48:22,814 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 278 transitions. [2024-11-13 13:48:22,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 13:48:22,815 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:22,815 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:22,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 13:48:23,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-11-13 13:48:23,016 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:48:23,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:23,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1645543249, now seen corresponding path program 1 times [2024-11-13 13:48:23,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:23,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293068999] [2024-11-13 13:48:23,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:23,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:23,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:23,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:48:23,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:23,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:48:23,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:23,182 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:48:23,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:23,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293068999] [2024-11-13 13:48:23,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293068999] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:48:23,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:48:23,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 13:48:23,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856279855] [2024-11-13 13:48:23,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:48:23,183 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 13:48:23,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:23,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 13:48:23,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:48:23,184 INFO L87 Difference]: Start difference. First operand 216 states and 278 transitions. Second operand has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 8 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:48:23,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:23,379 INFO L93 Difference]: Finished difference Result 220 states and 283 transitions. [2024-11-13 13:48:23,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 13:48:23,380 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 8 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2024-11-13 13:48:23,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:48:23,382 INFO L225 Difference]: With dead ends: 220 [2024-11-13 13:48:23,385 INFO L226 Difference]: Without dead ends: 217 [2024-11-13 13:48:23,385 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-13 13:48:23,386 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 350 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 539 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:48:23,386 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 539 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:48:23,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-11-13 13:48:23,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 190. [2024-11-13 13:48:23,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 125 states have (on average 1.72) internal successors, (215), 177 states have internal predecessors, (215), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:48:23,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 235 transitions. [2024-11-13 13:48:23,404 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 235 transitions. Word has length 25 [2024-11-13 13:48:23,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:48:23,405 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 235 transitions. [2024-11-13 13:48:23,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 8 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:48:23,405 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 235 transitions. [2024-11-13 13:48:23,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 13:48:23,407 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:23,407 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:23,407 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 13:48:23,407 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:48:23,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:23,407 INFO L85 PathProgramCache]: Analyzing trace with hash -527766754, now seen corresponding path program 1 times [2024-11-13 13:48:23,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:23,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340464396] [2024-11-13 13:48:23,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:23,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:23,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:23,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:48:23,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:23,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:48:23,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:23,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:48:23,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:23,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340464396] [2024-11-13 13:48:23,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340464396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:48:23,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:48:23,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 13:48:23,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682849787] [2024-11-13 13:48:23,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:48:23,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 13:48:23,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:23,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 13:48:23,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:48:23,561 INFO L87 Difference]: Start difference. First operand 190 states and 235 transitions. Second operand has 8 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 8 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:48:23,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:23,713 INFO L93 Difference]: Finished difference Result 386 states and 478 transitions. [2024-11-13 13:48:23,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 13:48:23,714 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 8 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 26 [2024-11-13 13:48:23,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:48:23,718 INFO L225 Difference]: With dead ends: 386 [2024-11-13 13:48:23,718 INFO L226 Difference]: Without dead ends: 214 [2024-11-13 13:48:23,718 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:48:23,719 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 40 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:48:23,719 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 690 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:48:23,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-11-13 13:48:23,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 195. [2024-11-13 13:48:23,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 130 states have (on average 1.7) internal successors, (221), 182 states have internal predecessors, (221), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:48:23,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 241 transitions. [2024-11-13 13:48:23,737 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 241 transitions. Word has length 26 [2024-11-13 13:48:23,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:48:23,738 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 241 transitions. [2024-11-13 13:48:23,738 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 8 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:48:23,739 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 241 transitions. [2024-11-13 13:48:23,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 13:48:23,739 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:23,739 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:23,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-13 13:48:23,740 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:48:23,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:23,741 INFO L85 PathProgramCache]: Analyzing trace with hash 819746353, now seen corresponding path program 1 times [2024-11-13 13:48:23,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:23,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434064781] [2024-11-13 13:48:23,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:23,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:23,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:24,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:48:24,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:24,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:48:24,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:24,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:48:24,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:24,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434064781] [2024-11-13 13:48:24,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434064781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:48:24,055 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:48:24,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:48:24,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067729614] [2024-11-13 13:48:24,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:48:24,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:48:24,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:24,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:48:24,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:48:24,056 INFO L87 Difference]: Start difference. First operand 195 states and 241 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:48:24,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:24,355 INFO L93 Difference]: Finished difference Result 222 states and 245 transitions. [2024-11-13 13:48:24,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:48:24,356 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 27 [2024-11-13 13:48:24,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:48:24,358 INFO L225 Difference]: With dead ends: 222 [2024-11-13 13:48:24,358 INFO L226 Difference]: Without dead ends: 221 [2024-11-13 13:48:24,359 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:48:24,360 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 63 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:48:24,361 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 400 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:48:24,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-13 13:48:24,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 196. [2024-11-13 13:48:24,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 131 states have (on average 1.6946564885496183) internal successors, (222), 183 states have internal predecessors, (222), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:48:24,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 242 transitions. [2024-11-13 13:48:24,372 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 242 transitions. Word has length 27 [2024-11-13 13:48:24,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:48:24,372 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 242 transitions. [2024-11-13 13:48:24,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:48:24,372 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 242 transitions. [2024-11-13 13:48:24,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 13:48:24,373 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:24,373 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:24,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-13 13:48:24,373 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:48:24,374 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:24,374 INFO L85 PathProgramCache]: Analyzing trace with hash -357666669, now seen corresponding path program 1 times [2024-11-13 13:48:24,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:24,374 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782196828] [2024-11-13 13:48:24,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:24,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:24,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:48:24,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1391194809] [2024-11-13 13:48:24,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:24,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:48:24,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:24,393 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:48:24,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 13:48:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:24,460 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 13:48:24,461 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:48:24,597 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:48:24,598 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:48:24,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:24,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782196828] [2024-11-13 13:48:24,599 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:48:24,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1391194809] [2024-11-13 13:48:24,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1391194809] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:48:24,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:48:24,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:48:24,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255326742] [2024-11-13 13:48:24,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:48:24,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:48:24,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:24,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:48:24,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:48:24,600 INFO L87 Difference]: Start difference. First operand 196 states and 242 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:48:25,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:25,190 INFO L93 Difference]: Finished difference Result 220 states and 244 transitions. [2024-11-13 13:48:25,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:48:25,191 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2024-11-13 13:48:25,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:48:25,192 INFO L225 Difference]: With dead ends: 220 [2024-11-13 13:48:25,192 INFO L226 Difference]: Without dead ends: 219 [2024-11-13 13:48:25,193 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:48:25,193 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 62 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 344 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:48:25,193 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 344 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 13:48:25,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-11-13 13:48:25,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 197. [2024-11-13 13:48:25,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 132 states have (on average 1.6893939393939394) internal successors, (223), 184 states have internal predecessors, (223), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:48:25,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 243 transitions. [2024-11-13 13:48:25,204 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 243 transitions. Word has length 28 [2024-11-13 13:48:25,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:48:25,204 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 243 transitions. [2024-11-13 13:48:25,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:48:25,204 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 243 transitions. [2024-11-13 13:48:25,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 13:48:25,205 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:25,205 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:25,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-13 13:48:25,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-13 13:48:25,409 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:48:25,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:25,409 INFO L85 PathProgramCache]: Analyzing trace with hash -377706976, now seen corresponding path program 1 times [2024-11-13 13:48:25,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:25,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743230279] [2024-11-13 13:48:25,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:25,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:25,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:48:25,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1616633689] [2024-11-13 13:48:25,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:25,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:48:25,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:25,422 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:48:25,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 13:48:25,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:25,483 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 13:48:25,484 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:48:25,523 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:48:25,523 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:48:25,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:25,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743230279] [2024-11-13 13:48:25,523 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:48:25,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616633689] [2024-11-13 13:48:25,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616633689] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:48:25,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:48:25,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:48:25,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779285778] [2024-11-13 13:48:25,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:48:25,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:48:25,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:25,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:48:25,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:48:25,525 INFO L87 Difference]: Start difference. First operand 197 states and 243 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:48:25,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:25,801 INFO L93 Difference]: Finished difference Result 223 states and 243 transitions. [2024-11-13 13:48:25,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:48:25,802 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2024-11-13 13:48:25,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:48:25,803 INFO L225 Difference]: With dead ends: 223 [2024-11-13 13:48:25,803 INFO L226 Difference]: Without dead ends: 221 [2024-11-13 13:48:25,803 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:48:25,804 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 61 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:48:25,804 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 273 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:48:25,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-13 13:48:25,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 197. [2024-11-13 13:48:25,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 132 states have (on average 1.6742424242424243) internal successors, (221), 184 states have internal predecessors, (221), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-13 13:48:25,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 241 transitions. [2024-11-13 13:48:25,815 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 241 transitions. Word has length 28 [2024-11-13 13:48:25,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:48:25,815 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 241 transitions. [2024-11-13 13:48:25,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:48:25,815 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 241 transitions. [2024-11-13 13:48:25,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 13:48:25,816 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:25,816 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:25,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 13:48:26,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-13 13:48:26,017 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:48:26,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:26,018 INFO L85 PathProgramCache]: Analyzing trace with hash 1797235315, now seen corresponding path program 1 times [2024-11-13 13:48:26,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:26,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911961665] [2024-11-13 13:48:26,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:26,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:26,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:48:26,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1917564274] [2024-11-13 13:48:26,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:26,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:48:26,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:26,038 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:48:26,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 13:48:26,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:26,095 INFO L255 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 13:48:26,098 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:48:26,125 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:48:26,125 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:48:26,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:26,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911961665] [2024-11-13 13:48:26,125 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:48:26,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1917564274] [2024-11-13 13:48:26,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1917564274] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:48:26,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:48:26,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:48:26,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172660647] [2024-11-13 13:48:26,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:48:26,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:48:26,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:26,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:48:26,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:48:26,126 INFO L87 Difference]: Start difference. First operand 197 states and 241 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:48:26,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:26,216 INFO L93 Difference]: Finished difference Result 320 states and 411 transitions. [2024-11-13 13:48:26,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:48:26,217 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 29 [2024-11-13 13:48:26,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:48:26,219 INFO L225 Difference]: With dead ends: 320 [2024-11-13 13:48:26,219 INFO L226 Difference]: Without dead ends: 314 [2024-11-13 13:48:26,219 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:48:26,219 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 63 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:48:26,220 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 238 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:48:26,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-11-13 13:48:26,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 280. [2024-11-13 13:48:26,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 207 states have (on average 1.6763285024154588) internal successors, (347), 259 states have internal predecessors, (347), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 13:48:26,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 383 transitions. [2024-11-13 13:48:26,236 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 383 transitions. Word has length 29 [2024-11-13 13:48:26,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:48:26,236 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 383 transitions. [2024-11-13 13:48:26,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:48:26,237 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 383 transitions. [2024-11-13 13:48:26,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 13:48:26,237 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:26,237 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:26,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 13:48:26,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:48:26,438 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:48:26,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:26,439 INFO L85 PathProgramCache]: Analyzing trace with hash 2095819042, now seen corresponding path program 1 times [2024-11-13 13:48:26,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:26,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505982731] [2024-11-13 13:48:26,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:26,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:26,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:48:26,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [723383250] [2024-11-13 13:48:26,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:26,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:48:26,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:26,453 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:48:26,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 13:48:26,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:26,503 INFO L255 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 13:48:26,504 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:48:26,636 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:48:26,636 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:48:26,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:26,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505982731] [2024-11-13 13:48:26,637 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:48:26,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [723383250] [2024-11-13 13:48:26,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [723383250] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:48:26,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:48:26,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:48:26,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221831091] [2024-11-13 13:48:26,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:48:26,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:48:26,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:26,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:48:26,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:48:26,639 INFO L87 Difference]: Start difference. First operand 280 states and 383 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:48:26,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:26,992 INFO L93 Difference]: Finished difference Result 301 states and 383 transitions. [2024-11-13 13:48:26,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:48:26,992 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2024-11-13 13:48:26,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:48:26,994 INFO L225 Difference]: With dead ends: 301 [2024-11-13 13:48:26,994 INFO L226 Difference]: Without dead ends: 300 [2024-11-13 13:48:26,994 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:48:26,995 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 195 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:48:26,995 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 223 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:48:26,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2024-11-13 13:48:27,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 280. [2024-11-13 13:48:27,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 207 states have (on average 1.6666666666666667) internal successors, (345), 259 states have internal predecessors, (345), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 13:48:27,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 381 transitions. [2024-11-13 13:48:27,022 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 381 transitions. Word has length 30 [2024-11-13 13:48:27,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:48:27,022 INFO L471 AbstractCegarLoop]: Abstraction has 280 states and 381 transitions. [2024-11-13 13:48:27,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:48:27,024 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 381 transitions. [2024-11-13 13:48:27,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 13:48:27,024 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:27,024 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:27,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-13 13:48:27,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-13 13:48:27,225 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:48:27,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:27,226 INFO L85 PathProgramCache]: Analyzing trace with hash 566290101, now seen corresponding path program 1 times [2024-11-13 13:48:27,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:27,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419300734] [2024-11-13 13:48:27,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:27,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:27,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:27,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:48:27,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:27,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:48:27,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:27,347 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:48:27,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:27,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419300734] [2024-11-13 13:48:27,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419300734] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:48:27,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:48:27,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:48:27,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202374890] [2024-11-13 13:48:27,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:48:27,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:48:27,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:27,350 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:48:27,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:48:27,350 INFO L87 Difference]: Start difference. First operand 280 states and 381 transitions. Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:48:28,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:28,510 INFO L93 Difference]: Finished difference Result 312 states and 391 transitions. [2024-11-13 13:48:28,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:48:28,511 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2024-11-13 13:48:28,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:48:28,513 INFO L225 Difference]: With dead ends: 312 [2024-11-13 13:48:28,513 INFO L226 Difference]: Without dead ends: 311 [2024-11-13 13:48:28,513 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:48:28,514 INFO L432 NwaCegarLoop]: 151 mSDtfsCounter, 63 mSDsluCounter, 365 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:48:28,514 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 516 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 13:48:28,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2024-11-13 13:48:28,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 285. [2024-11-13 13:48:28,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 212 states have (on average 1.6603773584905661) internal successors, (352), 264 states have internal predecessors, (352), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 13:48:28,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 388 transitions. [2024-11-13 13:48:28,531 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 388 transitions. Word has length 31 [2024-11-13 13:48:28,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:48:28,531 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 388 transitions. [2024-11-13 13:48:28,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 5 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:48:28,531 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 388 transitions. [2024-11-13 13:48:28,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-13 13:48:28,532 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:28,532 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:28,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-13 13:48:28,532 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:48:28,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:28,533 INFO L85 PathProgramCache]: Analyzing trace with hash 545880954, now seen corresponding path program 1 times [2024-11-13 13:48:28,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:28,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2041928464] [2024-11-13 13:48:28,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:28,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:28,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:48:28,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [184998863] [2024-11-13 13:48:28,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:28,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:48:28,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:28,545 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:48:28,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 13:48:28,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:28,598 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 13:48:28,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:48:28,694 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:48:28,695 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:48:28,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:28,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2041928464] [2024-11-13 13:48:28,695 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:48:28,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184998863] [2024-11-13 13:48:28,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [184998863] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:48:28,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:48:28,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:48:28,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353555600] [2024-11-13 13:48:28,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:48:28,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:48:28,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:28,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:48:28,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:48:28,696 INFO L87 Difference]: Start difference. First operand 285 states and 388 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:48:28,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:28,917 INFO L93 Difference]: Finished difference Result 306 states and 388 transitions. [2024-11-13 13:48:28,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:48:28,918 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 31 [2024-11-13 13:48:28,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:48:28,920 INFO L225 Difference]: With dead ends: 306 [2024-11-13 13:48:28,920 INFO L226 Difference]: Without dead ends: 305 [2024-11-13 13:48:28,920 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:48:28,921 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 157 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:48:28,921 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 236 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:48:28,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2024-11-13 13:48:28,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 285. [2024-11-13 13:48:28,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 285 states, 212 states have (on average 1.650943396226415) internal successors, (350), 264 states have internal predecessors, (350), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 13:48:28,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 386 transitions. [2024-11-13 13:48:28,937 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 386 transitions. Word has length 31 [2024-11-13 13:48:28,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:48:28,937 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 386 transitions. [2024-11-13 13:48:28,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:48:28,938 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 386 transitions. [2024-11-13 13:48:28,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 13:48:28,938 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:28,938 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:28,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-13 13:48:29,138 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-13 13:48:29,139 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:48:29,139 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:29,139 INFO L85 PathProgramCache]: Analyzing trace with hash 375124119, now seen corresponding path program 1 times [2024-11-13 13:48:29,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:29,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127871229] [2024-11-13 13:48:29,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:29,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:48:29,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1327076661] [2024-11-13 13:48:29,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:29,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:48:29,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:29,166 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:48:29,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 13:48:29,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:29,218 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 13:48:29,219 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:48:29,316 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:48:29,316 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:48:29,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:29,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127871229] [2024-11-13 13:48:29,317 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:48:29,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1327076661] [2024-11-13 13:48:29,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1327076661] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:48:29,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:48:29,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:48:29,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510810639] [2024-11-13 13:48:29,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:48:29,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:48:29,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:29,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:48:29,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:48:29,318 INFO L87 Difference]: Start difference. First operand 285 states and 386 transitions. Second operand has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:48:29,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:29,737 INFO L93 Difference]: Finished difference Result 329 states and 397 transitions. [2024-11-13 13:48:29,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:48:29,738 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2024-11-13 13:48:29,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:48:29,740 INFO L225 Difference]: With dead ends: 329 [2024-11-13 13:48:29,740 INFO L226 Difference]: Without dead ends: 328 [2024-11-13 13:48:29,740 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:48:29,741 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 173 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:48:29,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 419 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:48:29,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2024-11-13 13:48:29,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 287. [2024-11-13 13:48:29,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 214 states have (on average 1.644859813084112) internal successors, (352), 266 states have internal predecessors, (352), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 13:48:29,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 388 transitions. [2024-11-13 13:48:29,757 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 388 transitions. Word has length 32 [2024-11-13 13:48:29,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:48:29,757 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 388 transitions. [2024-11-13 13:48:29,757 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.25) internal successors, (25), 5 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:48:29,758 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 388 transitions. [2024-11-13 13:48:29,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-13 13:48:29,758 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:29,758 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:29,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-13 13:48:29,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-13 13:48:29,961 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:48:29,962 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:29,962 INFO L85 PathProgramCache]: Analyzing trace with hash -257559516, now seen corresponding path program 1 times [2024-11-13 13:48:29,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:29,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79142935] [2024-11-13 13:48:29,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:29,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:29,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:48:29,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1240135978] [2024-11-13 13:48:29,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:29,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:48:29,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:29,983 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:48:29,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-13 13:48:30,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:30,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 13:48:30,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:48:30,095 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:48:30,095 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:48:30,096 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:30,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79142935] [2024-11-13 13:48:30,096 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:48:30,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1240135978] [2024-11-13 13:48:30,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1240135978] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:48:30,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:48:30,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:48:30,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272297424] [2024-11-13 13:48:30,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:48:30,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:48:30,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:30,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:48:30,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:48:30,098 INFO L87 Difference]: Start difference. First operand 287 states and 388 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:48:30,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:30,401 INFO L93 Difference]: Finished difference Result 313 states and 391 transitions. [2024-11-13 13:48:30,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:48:30,401 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 32 [2024-11-13 13:48:30,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:48:30,403 INFO L225 Difference]: With dead ends: 313 [2024-11-13 13:48:30,403 INFO L226 Difference]: Without dead ends: 312 [2024-11-13 13:48:30,403 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:48:30,404 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 115 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:48:30,404 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 297 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:48:30,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2024-11-13 13:48:30,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 287. [2024-11-13 13:48:30,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 214 states have (on average 1.6355140186915889) internal successors, (350), 266 states have internal predecessors, (350), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 13:48:30,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 386 transitions. [2024-11-13 13:48:30,420 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 386 transitions. Word has length 32 [2024-11-13 13:48:30,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:48:30,421 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 386 transitions. [2024-11-13 13:48:30,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:48:30,421 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 386 transitions. [2024-11-13 13:48:30,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 13:48:30,421 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:30,422 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:30,441 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-13 13:48:30,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-13 13:48:30,623 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:48:30,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:30,623 INFO L85 PathProgramCache]: Analyzing trace with hash 605589692, now seen corresponding path program 1 times [2024-11-13 13:48:30,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:30,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027373976] [2024-11-13 13:48:30,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:30,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:30,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:48:30,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1478038971] [2024-11-13 13:48:30,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:30,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:48:30,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:30,641 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:48:30,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-13 13:48:30,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:30,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 13:48:30,702 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:48:30,878 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:48:30,878 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:48:30,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:30,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027373976] [2024-11-13 13:48:30,879 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:48:30,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1478038971] [2024-11-13 13:48:30,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1478038971] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:48:30,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:48:30,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:48:30,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869214094] [2024-11-13 13:48:30,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:48:30,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:48:30,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:30,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:48:30,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:48:30,880 INFO L87 Difference]: Start difference. First operand 287 states and 386 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:48:31,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:31,458 INFO L93 Difference]: Finished difference Result 314 states and 390 transitions. [2024-11-13 13:48:31,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:48:31,459 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2024-11-13 13:48:31,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:48:31,461 INFO L225 Difference]: With dead ends: 314 [2024-11-13 13:48:31,461 INFO L226 Difference]: Without dead ends: 313 [2024-11-13 13:48:31,461 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:48:31,462 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 67 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:48:31,462 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 379 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 13:48:31,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2024-11-13 13:48:31,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 287. [2024-11-13 13:48:31,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 214 states have (on average 1.6261682242990654) internal successors, (348), 266 states have internal predecessors, (348), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 13:48:31,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 384 transitions. [2024-11-13 13:48:31,489 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 384 transitions. Word has length 33 [2024-11-13 13:48:31,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:48:31,489 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 384 transitions. [2024-11-13 13:48:31,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:48:31,489 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 384 transitions. [2024-11-13 13:48:31,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-13 13:48:31,490 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:31,490 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:31,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-13 13:48:31,693 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:48:31,694 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:48:31,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:31,694 INFO L85 PathProgramCache]: Analyzing trace with hash -182236270, now seen corresponding path program 1 times [2024-11-13 13:48:31,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:31,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998484274] [2024-11-13 13:48:31,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:31,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:31,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:31,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:48:31,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:31,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:48:31,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:31,788 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:48:31,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:31,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998484274] [2024-11-13 13:48:31,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998484274] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:48:31,788 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1546816114] [2024-11-13 13:48:31,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:31,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:48:31,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:31,791 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:48:31,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-13 13:48:31,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:31,849 INFO L255 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 13:48:31,850 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:48:31,932 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:48:31,932 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:48:31,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1546816114] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:48:31,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:48:31,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 12 [2024-11-13 13:48:31,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526999123] [2024-11-13 13:48:31,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:48:31,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:48:31,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:31,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:48:31,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:48:31,933 INFO L87 Difference]: Start difference. First operand 287 states and 384 transitions. Second operand has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:48:32,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:32,061 INFO L93 Difference]: Finished difference Result 331 states and 425 transitions. [2024-11-13 13:48:32,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 13:48:32,062 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35 [2024-11-13 13:48:32,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:48:32,063 INFO L225 Difference]: With dead ends: 331 [2024-11-13 13:48:32,064 INFO L226 Difference]: Without dead ends: 329 [2024-11-13 13:48:32,064 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2024-11-13 13:48:32,064 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 58 mSDsluCounter, 714 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 874 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:48:32,064 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 874 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:48:32,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2024-11-13 13:48:32,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 292. [2024-11-13 13:48:32,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 292 states, 219 states have (on average 1.6164383561643836) internal successors, (354), 271 states have internal predecessors, (354), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 13:48:32,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 390 transitions. [2024-11-13 13:48:32,080 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 390 transitions. Word has length 35 [2024-11-13 13:48:32,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:48:32,080 INFO L471 AbstractCegarLoop]: Abstraction has 292 states and 390 transitions. [2024-11-13 13:48:32,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.666666666666667) internal successors, (28), 7 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:48:32,081 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 390 transitions. [2024-11-13 13:48:32,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-13 13:48:32,081 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:32,081 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:32,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-13 13:48:32,285 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:48:32,286 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:48:32,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:32,287 INFO L85 PathProgramCache]: Analyzing trace with hash 964605269, now seen corresponding path program 1 times [2024-11-13 13:48:32,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:32,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020887654] [2024-11-13 13:48:32,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:32,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:32,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:32,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:48:32,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:32,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:48:32,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:32,414 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:48:32,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:32,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020887654] [2024-11-13 13:48:32,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020887654] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:48:32,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942983393] [2024-11-13 13:48:32,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:32,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:48:32,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:32,417 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:48:32,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-13 13:48:32,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:32,466 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 13:48:32,467 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:48:32,532 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:48:32,533 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:48:32,659 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:48:32,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [942983393] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:48:32,660 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:48:32,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 14 [2024-11-13 13:48:32,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642944943] [2024-11-13 13:48:32,661 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:48:32,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 13:48:32,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:32,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 13:48:32,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-11-13 13:48:32,662 INFO L87 Difference]: Start difference. First operand 292 states and 390 transitions. Second operand has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:48:32,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:32,860 INFO L93 Difference]: Finished difference Result 528 states and 673 transitions. [2024-11-13 13:48:32,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 13:48:32,861 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 37 [2024-11-13 13:48:32,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:48:32,863 INFO L225 Difference]: With dead ends: 528 [2024-11-13 13:48:32,863 INFO L226 Difference]: Without dead ends: 351 [2024-11-13 13:48:32,863 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=134, Invalid=372, Unknown=0, NotChecked=0, Total=506 [2024-11-13 13:48:32,864 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 126 mSDsluCounter, 744 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 880 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:48:32,864 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 880 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:48:32,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2024-11-13 13:48:32,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 315. [2024-11-13 13:48:32,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 242 states have (on average 1.5826446280991735) internal successors, (383), 294 states have internal predecessors, (383), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-13 13:48:32,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 419 transitions. [2024-11-13 13:48:32,885 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 419 transitions. Word has length 37 [2024-11-13 13:48:32,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:48:32,885 INFO L471 AbstractCegarLoop]: Abstraction has 315 states and 419 transitions. [2024-11-13 13:48:32,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.214285714285714) internal successors, (59), 14 states have internal predecessors, (59), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:48:32,886 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 419 transitions. [2024-11-13 13:48:32,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 13:48:32,886 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:32,886 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:32,906 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-13 13:48:33,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:48:33,091 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:48:33,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:33,091 INFO L85 PathProgramCache]: Analyzing trace with hash -162009540, now seen corresponding path program 1 times [2024-11-13 13:48:33,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:33,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911664151] [2024-11-13 13:48:33,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:33,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:33,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:33,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:48:33,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:33,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:48:33,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:33,256 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 13:48:33,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:33,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911664151] [2024-11-13 13:48:33,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [911664151] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:48:33,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1286524094] [2024-11-13 13:48:33,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:33,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:48:33,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:33,259 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:48:33,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-13 13:48:33,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:33,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 13:48:33,312 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:48:33,370 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 13:48:33,370 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:48:33,461 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 13:48:33,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1286524094] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:48:33,461 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:48:33,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 9 [2024-11-13 13:48:33,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538264828] [2024-11-13 13:48:33,462 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:48:33,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:48:33,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:33,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:48:33,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:48:33,463 INFO L87 Difference]: Start difference. First operand 315 states and 419 transitions. Second operand has 9 states, 9 states have (on average 4.0) internal successors, (36), 8 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 13:48:34,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:34,403 INFO L93 Difference]: Finished difference Result 849 states and 1065 transitions. [2024-11-13 13:48:34,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-13 13:48:34,404 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 8 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 38 [2024-11-13 13:48:34,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:48:34,407 INFO L225 Difference]: With dead ends: 849 [2024-11-13 13:48:34,407 INFO L226 Difference]: Without dead ends: 821 [2024-11-13 13:48:34,408 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 74 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=291, Unknown=0, NotChecked=0, Total=380 [2024-11-13 13:48:34,409 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 876 mSDsluCounter, 783 mSDsCounter, 0 mSdLazyCounter, 721 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 880 SdHoareTripleChecker+Valid, 927 SdHoareTripleChecker+Invalid, 754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 721 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:48:34,410 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [880 Valid, 927 Invalid, 754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 721 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 13:48:34,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2024-11-13 13:48:34,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 459. [2024-11-13 13:48:34,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 378 states have (on average 1.6084656084656084) internal successors, (608), 430 states have internal predecessors, (608), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-13 13:48:34,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 660 transitions. [2024-11-13 13:48:34,440 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 660 transitions. Word has length 38 [2024-11-13 13:48:34,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:48:34,441 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 660 transitions. [2024-11-13 13:48:34,441 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.0) internal successors, (36), 8 states have internal predecessors, (36), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 13:48:34,441 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 660 transitions. [2024-11-13 13:48:34,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 13:48:34,441 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:34,441 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:34,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-13 13:48:34,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:48:34,642 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:48:34,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:34,643 INFO L85 PathProgramCache]: Analyzing trace with hash -561762263, now seen corresponding path program 1 times [2024-11-13 13:48:34,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:34,643 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120107598] [2024-11-13 13:48:34,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:34,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:34,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:48:34,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [870960878] [2024-11-13 13:48:34,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:34,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:48:34,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:34,656 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:48:34,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-13 13:48:34,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:34,707 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 13:48:34,708 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:48:34,820 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:48:34,820 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:48:34,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:34,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120107598] [2024-11-13 13:48:34,820 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:48:34,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [870960878] [2024-11-13 13:48:34,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [870960878] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:48:34,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:48:34,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:48:34,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949325237] [2024-11-13 13:48:34,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:48:34,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:48:34,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:34,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:48:34,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:48:34,822 INFO L87 Difference]: Start difference. First operand 459 states and 660 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 13:48:35,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:35,309 INFO L93 Difference]: Finished difference Result 479 states and 662 transitions. [2024-11-13 13:48:35,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:48:35,310 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 41 [2024-11-13 13:48:35,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:48:35,312 INFO L225 Difference]: With dead ends: 479 [2024-11-13 13:48:35,314 INFO L226 Difference]: Without dead ends: 478 [2024-11-13 13:48:35,314 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:48:35,315 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 160 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:48:35,315 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 232 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:48:35,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2024-11-13 13:48:35,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 459. [2024-11-13 13:48:35,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 378 states have (on average 1.6031746031746033) internal successors, (606), 430 states have internal predecessors, (606), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-13 13:48:35,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 658 transitions. [2024-11-13 13:48:35,361 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 658 transitions. Word has length 41 [2024-11-13 13:48:35,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:48:35,361 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 658 transitions. [2024-11-13 13:48:35,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 13:48:35,361 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 658 transitions. [2024-11-13 13:48:35,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-13 13:48:35,362 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:35,362 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:35,382 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-13 13:48:35,566 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:48:35,567 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:48:35,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:35,567 INFO L85 PathProgramCache]: Analyzing trace with hash -234760864, now seen corresponding path program 1 times [2024-11-13 13:48:35,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:35,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140348572] [2024-11-13 13:48:35,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:35,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:35,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:48:35,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [726241771] [2024-11-13 13:48:35,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:35,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:48:35,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:35,583 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:48:35,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-13 13:48:35,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:35,634 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 13:48:35,635 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:48:35,797 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:48:35,797 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:48:35,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:35,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140348572] [2024-11-13 13:48:35,798 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:48:35,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726241771] [2024-11-13 13:48:35,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [726241771] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:48:35,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:48:35,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:48:35,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164894745] [2024-11-13 13:48:35,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:48:35,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:48:35,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:35,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:48:35,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:48:35,799 INFO L87 Difference]: Start difference. First operand 459 states and 658 transitions. Second operand has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 13:48:36,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:36,691 INFO L93 Difference]: Finished difference Result 488 states and 664 transitions. [2024-11-13 13:48:36,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 13:48:36,692 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 42 [2024-11-13 13:48:36,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:48:36,694 INFO L225 Difference]: With dead ends: 488 [2024-11-13 13:48:36,694 INFO L226 Difference]: Without dead ends: 487 [2024-11-13 13:48:36,695 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:48:36,695 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 391 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 395 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:48:36,695 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [395 Valid, 357 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 13:48:36,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2024-11-13 13:48:36,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 459. [2024-11-13 13:48:36,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 378 states have (on average 1.597883597883598) internal successors, (604), 430 states have internal predecessors, (604), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-13 13:48:36,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 656 transitions. [2024-11-13 13:48:36,721 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 656 transitions. Word has length 42 [2024-11-13 13:48:36,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:48:36,722 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 656 transitions. [2024-11-13 13:48:36,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 states have internal predecessors, (33), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 13:48:36,722 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 656 transitions. [2024-11-13 13:48:36,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-13 13:48:36,723 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:36,723 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:36,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-13 13:48:36,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:48:36,927 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:48:36,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:36,927 INFO L85 PathProgramCache]: Analyzing trace with hash 1312347915, now seen corresponding path program 1 times [2024-11-13 13:48:36,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:36,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456464057] [2024-11-13 13:48:36,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:36,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:36,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:48:36,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1565755230] [2024-11-13 13:48:36,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:36,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:48:36,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:36,940 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:48:36,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-13 13:48:36,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:36,997 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 13:48:36,998 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:48:37,049 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:48:37,050 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:48:37,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:37,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456464057] [2024-11-13 13:48:37,050 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:48:37,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565755230] [2024-11-13 13:48:37,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1565755230] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:48:37,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:48:37,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:48:37,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240530972] [2024-11-13 13:48:37,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:48:37,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:48:37,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:37,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:48:37,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:48:37,052 INFO L87 Difference]: Start difference. First operand 459 states and 656 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 13:48:37,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:37,422 INFO L93 Difference]: Finished difference Result 488 states and 667 transitions. [2024-11-13 13:48:37,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:48:37,423 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 43 [2024-11-13 13:48:37,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:48:37,425 INFO L225 Difference]: With dead ends: 488 [2024-11-13 13:48:37,425 INFO L226 Difference]: Without dead ends: 487 [2024-11-13 13:48:37,425 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:48:37,426 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 107 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:48:37,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 291 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:48:37,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2024-11-13 13:48:37,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 459. [2024-11-13 13:48:37,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 378 states have (on average 1.5925925925925926) internal successors, (602), 430 states have internal predecessors, (602), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-13 13:48:37,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 654 transitions. [2024-11-13 13:48:37,459 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 654 transitions. Word has length 43 [2024-11-13 13:48:37,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:48:37,460 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 654 transitions. [2024-11-13 13:48:37,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 13:48:37,460 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 654 transitions. [2024-11-13 13:48:37,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-13 13:48:37,460 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:37,461 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:37,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-13 13:48:37,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-11-13 13:48:37,665 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:48:37,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:37,666 INFO L85 PathProgramCache]: Analyzing trace with hash 2028079810, now seen corresponding path program 1 times [2024-11-13 13:48:37,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:37,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682387353] [2024-11-13 13:48:37,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:37,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:37,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:48:37,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [124305938] [2024-11-13 13:48:37,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:37,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:48:37,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:37,682 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:48:37,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-13 13:48:37,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:37,732 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 13:48:37,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:48:37,849 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:48:37,849 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:48:37,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:37,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682387353] [2024-11-13 13:48:37,850 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:48:37,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [124305938] [2024-11-13 13:48:37,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [124305938] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:48:37,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:48:37,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:48:37,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048963511] [2024-11-13 13:48:37,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:48:37,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:48:37,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:37,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:48:37,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:48:37,852 INFO L87 Difference]: Start difference. First operand 459 states and 654 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 13:48:38,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:38,329 INFO L93 Difference]: Finished difference Result 489 states and 666 transitions. [2024-11-13 13:48:38,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:48:38,329 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 44 [2024-11-13 13:48:38,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:48:38,331 INFO L225 Difference]: With dead ends: 489 [2024-11-13 13:48:38,332 INFO L226 Difference]: Without dead ends: 488 [2024-11-13 13:48:38,332 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:48:38,332 INFO L432 NwaCegarLoop]: 164 mSDtfsCounter, 106 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:48:38,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 293 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:48:38,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2024-11-13 13:48:38,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 459. [2024-11-13 13:48:38,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 378 states have (on average 1.5873015873015872) internal successors, (600), 430 states have internal predecessors, (600), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-13 13:48:38,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 652 transitions. [2024-11-13 13:48:38,369 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 652 transitions. Word has length 44 [2024-11-13 13:48:38,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:48:38,369 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 652 transitions. [2024-11-13 13:48:38,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 13:48:38,370 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 652 transitions. [2024-11-13 13:48:38,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-13 13:48:38,370 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:38,370 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:38,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-13 13:48:38,571 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-13 13:48:38,571 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:48:38,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:38,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1311599204, now seen corresponding path program 1 times [2024-11-13 13:48:38,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:38,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950643673] [2024-11-13 13:48:38,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:38,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:38,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:48:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:38,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:48:38,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:38,712 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:48:38,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:38,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950643673] [2024-11-13 13:48:38,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950643673] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:48:38,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1946875264] [2024-11-13 13:48:38,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:38,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:48:38,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:38,715 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:48:38,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-13 13:48:38,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:38,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 13:48:38,771 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:48:38,926 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:48:38,926 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:48:39,159 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:48:39,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1946875264] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:48:39,159 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:48:39,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 29 [2024-11-13 13:48:39,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880649716] [2024-11-13 13:48:39,160 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:48:39,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-13 13:48:39,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:39,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-13 13:48:39,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=700, Unknown=0, NotChecked=0, Total=870 [2024-11-13 13:48:39,161 INFO L87 Difference]: Start difference. First operand 459 states and 652 transitions. Second operand has 30 states, 29 states have (on average 3.5517241379310347) internal successors, (103), 30 states have internal predecessors, (103), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-13 13:48:39,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:39,895 INFO L93 Difference]: Finished difference Result 1305 states and 1810 transitions. [2024-11-13 13:48:39,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-13 13:48:39,896 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 29 states have (on average 3.5517241379310347) internal successors, (103), 30 states have internal predecessors, (103), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 45 [2024-11-13 13:48:39,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:48:39,900 INFO L225 Difference]: With dead ends: 1305 [2024-11-13 13:48:39,900 INFO L226 Difference]: Without dead ends: 984 [2024-11-13 13:48:39,901 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 504 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=608, Invalid=2362, Unknown=0, NotChecked=0, Total=2970 [2024-11-13 13:48:39,902 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 651 mSDsluCounter, 2222 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 651 SdHoareTripleChecker+Valid, 2398 SdHoareTripleChecker+Invalid, 389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:48:39,902 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [651 Valid, 2398 Invalid, 389 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:48:39,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 984 states. [2024-11-13 13:48:39,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 984 to 779. [2024-11-13 13:48:39,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 779 states, 668 states have (on average 1.598802395209581) internal successors, (1068), 720 states have internal predecessors, (1068), 54 states have call successors, (54), 4 states have call predecessors, (54), 4 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-13 13:48:39,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 1176 transitions. [2024-11-13 13:48:39,955 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 1176 transitions. Word has length 45 [2024-11-13 13:48:39,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:48:39,956 INFO L471 AbstractCegarLoop]: Abstraction has 779 states and 1176 transitions. [2024-11-13 13:48:39,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 29 states have (on average 3.5517241379310347) internal successors, (103), 30 states have internal predecessors, (103), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-13 13:48:39,956 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1176 transitions. [2024-11-13 13:48:39,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 13:48:39,957 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:39,957 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:39,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-13 13:48:40,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-13 13:48:40,157 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:48:40,158 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:40,158 INFO L85 PathProgramCache]: Analyzing trace with hash 2005516203, now seen corresponding path program 1 times [2024-11-13 13:48:40,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:40,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387913092] [2024-11-13 13:48:40,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:40,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:40,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:40,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:48:40,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:40,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:48:40,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:40,351 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:48:40,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:40,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387913092] [2024-11-13 13:48:40,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387913092] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:48:40,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1292056071] [2024-11-13 13:48:40,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:40,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:48:40,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:40,354 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:48:40,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-13 13:48:40,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:40,410 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 13:48:40,411 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:48:40,470 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:48:40,471 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:48:40,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1292056071] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:48:40,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:48:40,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 9 [2024-11-13 13:48:40,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949050871] [2024-11-13 13:48:40,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:48:40,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:48:40,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:40,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:48:40,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:48:40,473 INFO L87 Difference]: Start difference. First operand 779 states and 1176 transitions. Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:48:40,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:40,818 INFO L93 Difference]: Finished difference Result 1668 states and 2497 transitions. [2024-11-13 13:48:40,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:48:40,819 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 46 [2024-11-13 13:48:40,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:48:40,823 INFO L225 Difference]: With dead ends: 1668 [2024-11-13 13:48:40,824 INFO L226 Difference]: Without dead ends: 1220 [2024-11-13 13:48:40,825 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:48:40,825 INFO L432 NwaCegarLoop]: 234 mSDtfsCounter, 216 mSDsluCounter, 551 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 220 SdHoareTripleChecker+Valid, 785 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:48:40,825 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [220 Valid, 785 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:48:40,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1220 states. [2024-11-13 13:48:40,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1220 to 876. [2024-11-13 13:48:40,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 876 states, 765 states have (on average 1.5869281045751633) internal successors, (1214), 817 states have internal predecessors, (1214), 54 states have call successors, (54), 4 states have call predecessors, (54), 4 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-13 13:48:40,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1322 transitions. [2024-11-13 13:48:40,914 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1322 transitions. Word has length 46 [2024-11-13 13:48:40,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:48:40,915 INFO L471 AbstractCegarLoop]: Abstraction has 876 states and 1322 transitions. [2024-11-13 13:48:40,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:48:40,915 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1322 transitions. [2024-11-13 13:48:40,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-13 13:48:40,916 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:40,916 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:40,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-13 13:48:41,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-13 13:48:41,117 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:48:41,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:41,117 INFO L85 PathProgramCache]: Analyzing trace with hash 2021420006, now seen corresponding path program 1 times [2024-11-13 13:48:41,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:41,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120317970] [2024-11-13 13:48:41,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:41,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:48:41,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [530581610] [2024-11-13 13:48:41,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:41,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:48:41,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:41,130 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:48:41,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-13 13:48:41,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:41,181 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 13:48:41,182 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:48:41,428 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 13:48:41,429 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:48:41,813 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 13:48:41,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:41,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120317970] [2024-11-13 13:48:41,813 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:48:41,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [530581610] [2024-11-13 13:48:41,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [530581610] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:48:41,813 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:48:41,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 11 [2024-11-13 13:48:41,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115908854] [2024-11-13 13:48:41,813 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 13:48:41,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 13:48:41,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:41,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 13:48:41,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:48:41,814 INFO L87 Difference]: Start difference. First operand 876 states and 1322 transitions. Second operand has 12 states, 10 states have (on average 8.1) internal successors, (81), 10 states have internal predecessors, (81), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-13 13:48:42,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:42,629 INFO L93 Difference]: Finished difference Result 1648 states and 2474 transitions. [2024-11-13 13:48:42,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:48:42,629 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 8.1) internal successors, (81), 10 states have internal predecessors, (81), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) Word has length 47 [2024-11-13 13:48:42,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:48:42,635 INFO L225 Difference]: With dead ends: 1648 [2024-11-13 13:48:42,635 INFO L226 Difference]: Without dead ends: 1645 [2024-11-13 13:48:42,636 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2024-11-13 13:48:42,637 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 638 mSDsluCounter, 652 mSDsCounter, 0 mSdLazyCounter, 329 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 639 SdHoareTripleChecker+Valid, 863 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 329 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:48:42,637 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [639 Valid, 863 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 329 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 13:48:42,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1645 states. [2024-11-13 13:48:42,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1645 to 1121. [2024-11-13 13:48:42,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1121 states, 1007 states have (on average 1.5938430983118173) internal successors, (1605), 1059 states have internal predecessors, (1605), 57 states have call successors, (57), 4 states have call predecessors, (57), 4 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-13 13:48:42,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1121 states to 1121 states and 1719 transitions. [2024-11-13 13:48:42,747 INFO L78 Accepts]: Start accepts. Automaton has 1121 states and 1719 transitions. Word has length 47 [2024-11-13 13:48:42,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:48:42,747 INFO L471 AbstractCegarLoop]: Abstraction has 1121 states and 1719 transitions. [2024-11-13 13:48:42,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 8.1) internal successors, (81), 10 states have internal predecessors, (81), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-13 13:48:42,747 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1719 transitions. [2024-11-13 13:48:42,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-13 13:48:42,748 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:42,748 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:42,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-13 13:48:42,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-13 13:48:42,949 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:48:42,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:42,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1760489166, now seen corresponding path program 1 times [2024-11-13 13:48:42,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:42,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413813297] [2024-11-13 13:48:42,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:42,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:42,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:48:42,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1855823694] [2024-11-13 13:48:42,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:42,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:48:42,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:42,963 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:48:42,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-13 13:48:43,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:43,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 13:48:43,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:48:43,305 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 13:48:43,305 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:48:44,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:44,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413813297] [2024-11-13 13:48:44,689 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:48:44,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1855823694] [2024-11-13 13:48:44,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1855823694] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:48:44,689 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:48:44,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-13 13:48:44,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140530087] [2024-11-13 13:48:44,689 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 13:48:44,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 13:48:44,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:44,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 13:48:44,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:48:44,690 INFO L87 Difference]: Start difference. First operand 1121 states and 1719 transitions. Second operand has 8 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:48:45,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:45,138 INFO L93 Difference]: Finished difference Result 1558 states and 2383 transitions. [2024-11-13 13:48:45,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 13:48:45,139 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 48 [2024-11-13 13:48:45,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:48:45,145 INFO L225 Difference]: With dead ends: 1558 [2024-11-13 13:48:45,145 INFO L226 Difference]: Without dead ends: 1556 [2024-11-13 13:48:45,146 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:48:45,147 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 309 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 238 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 238 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:48:45,147 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 511 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:48:45,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1556 states. [2024-11-13 13:48:45,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1556 to 1426. [2024-11-13 13:48:45,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1426 states, 1288 states have (on average 1.6133540372670807) internal successors, (2078), 1340 states have internal predecessors, (2078), 81 states have call successors, (81), 4 states have call predecessors, (81), 4 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-13 13:48:45,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1426 states and 2240 transitions. [2024-11-13 13:48:45,268 INFO L78 Accepts]: Start accepts. Automaton has 1426 states and 2240 transitions. Word has length 48 [2024-11-13 13:48:45,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:48:45,268 INFO L471 AbstractCegarLoop]: Abstraction has 1426 states and 2240 transitions. [2024-11-13 13:48:45,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-13 13:48:45,269 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 2240 transitions. [2024-11-13 13:48:45,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-13 13:48:45,269 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:45,269 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:45,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-13 13:48:45,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:48:45,470 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:48:45,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:45,471 INFO L85 PathProgramCache]: Analyzing trace with hash 1259410792, now seen corresponding path program 1 times [2024-11-13 13:48:45,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:45,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918999326] [2024-11-13 13:48:45,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:45,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:45,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:48:45,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1137537325] [2024-11-13 13:48:45,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:45,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:48:45,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:45,493 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:48:45,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-13 13:48:45,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:45,549 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 13:48:45,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:48:45,784 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 13:48:45,784 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:48:45,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:45,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918999326] [2024-11-13 13:48:45,973 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:48:45,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137537325] [2024-11-13 13:48:45,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1137537325] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:48:45,973 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:48:45,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-13 13:48:45,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731168161] [2024-11-13 13:48:45,974 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 13:48:45,974 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 13:48:45,974 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:45,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 13:48:45,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:48:45,974 INFO L87 Difference]: Start difference. First operand 1426 states and 2240 transitions. Second operand has 8 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 13:48:46,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:46,447 INFO L93 Difference]: Finished difference Result 1492 states and 2265 transitions. [2024-11-13 13:48:46,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 13:48:46,448 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 49 [2024-11-13 13:48:46,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:48:46,451 INFO L225 Difference]: With dead ends: 1492 [2024-11-13 13:48:46,451 INFO L226 Difference]: Without dead ends: 1490 [2024-11-13 13:48:46,452 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:48:46,453 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 394 mSDsluCounter, 387 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 488 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:48:46,453 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [402 Valid, 488 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:48:46,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1490 states. [2024-11-13 13:48:46,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1490 to 1426. [2024-11-13 13:48:46,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1426 states, 1288 states have (on average 1.6055900621118013) internal successors, (2068), 1340 states have internal predecessors, (2068), 81 states have call successors, (81), 4 states have call predecessors, (81), 4 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-13 13:48:46,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1426 states and 2230 transitions. [2024-11-13 13:48:46,575 INFO L78 Accepts]: Start accepts. Automaton has 1426 states and 2230 transitions. Word has length 49 [2024-11-13 13:48:46,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:48:46,576 INFO L471 AbstractCegarLoop]: Abstraction has 1426 states and 2230 transitions. [2024-11-13 13:48:46,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 13:48:46,576 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 2230 transitions. [2024-11-13 13:48:46,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-13 13:48:46,576 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:46,576 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:46,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-13 13:48:46,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:48:46,778 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:48:46,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:46,778 INFO L85 PathProgramCache]: Analyzing trace with hash 387028980, now seen corresponding path program 1 times [2024-11-13 13:48:46,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:46,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116553176] [2024-11-13 13:48:46,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:46,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:46,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:48:46,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [618818653] [2024-11-13 13:48:46,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:46,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:48:46,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:46,799 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:48:46,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-13 13:48:46,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:46,847 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 13:48:46,848 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:48:47,059 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 13:48:47,060 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:48:47,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:47,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116553176] [2024-11-13 13:48:47,888 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:48:47,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [618818653] [2024-11-13 13:48:47,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [618818653] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:48:47,888 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:48:47,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-13 13:48:47,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278816578] [2024-11-13 13:48:47,888 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 13:48:47,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 13:48:47,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:47,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 13:48:47,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:48:47,889 INFO L87 Difference]: Start difference. First operand 1426 states and 2230 transitions. Second operand has 8 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 13:48:48,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:48,291 INFO L93 Difference]: Finished difference Result 1492 states and 2255 transitions. [2024-11-13 13:48:48,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 13:48:48,291 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 50 [2024-11-13 13:48:48,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:48:48,297 INFO L225 Difference]: With dead ends: 1492 [2024-11-13 13:48:48,297 INFO L226 Difference]: Without dead ends: 1490 [2024-11-13 13:48:48,300 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:48:48,301 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 363 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 691 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:48:48,301 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 691 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:48:48,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1490 states. [2024-11-13 13:48:48,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1490 to 1426. [2024-11-13 13:48:48,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1426 states, 1288 states have (on average 1.5978260869565217) internal successors, (2058), 1340 states have internal predecessors, (2058), 81 states have call successors, (81), 4 states have call predecessors, (81), 4 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-13 13:48:48,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1426 states and 2220 transitions. [2024-11-13 13:48:48,440 INFO L78 Accepts]: Start accepts. Automaton has 1426 states and 2220 transitions. Word has length 50 [2024-11-13 13:48:48,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:48:48,440 INFO L471 AbstractCegarLoop]: Abstraction has 1426 states and 2220 transitions. [2024-11-13 13:48:48,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 7.666666666666667) internal successors, (46), 7 states have internal predecessors, (46), 2 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-13 13:48:48,440 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 2220 transitions. [2024-11-13 13:48:48,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 13:48:48,441 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:48,441 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:48,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2024-11-13 13:48:48,641 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:48:48,641 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:48:48,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:48,642 INFO L85 PathProgramCache]: Analyzing trace with hash 1083291928, now seen corresponding path program 1 times [2024-11-13 13:48:48,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:48,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866566368] [2024-11-13 13:48:48,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:48,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:48,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:48,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:48:48,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:48,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:48:48,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:48,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 13:48:48,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:48,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-13 13:48:48,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:48,797 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 13:48:48,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:48,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866566368] [2024-11-13 13:48:48,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866566368] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:48:48,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [409952639] [2024-11-13 13:48:48,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:48,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:48:48,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:48,800 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:48:48,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-13 13:48:48,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:48,851 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 13:48:48,853 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:48:48,992 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 13:48:48,993 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:48:48,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [409952639] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:48:48,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:48:48,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 11 [2024-11-13 13:48:48,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520995811] [2024-11-13 13:48:48,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:48:48,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:48:48,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:48,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:48:48,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:48:48,995 INFO L87 Difference]: Start difference. First operand 1426 states and 2220 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-13 13:48:49,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:49,669 INFO L93 Difference]: Finished difference Result 1458 states and 2228 transitions. [2024-11-13 13:48:49,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:48:49,670 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 52 [2024-11-13 13:48:49,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:48:49,683 INFO L225 Difference]: With dead ends: 1458 [2024-11-13 13:48:49,684 INFO L226 Difference]: Without dead ends: 1457 [2024-11-13 13:48:49,688 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-13 13:48:49,689 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 314 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:48:49,689 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [318 Valid, 317 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:48:49,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1457 states. [2024-11-13 13:48:49,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1457 to 1426. [2024-11-13 13:48:49,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1426 states, 1288 states have (on average 1.595496894409938) internal successors, (2055), 1340 states have internal predecessors, (2055), 81 states have call successors, (81), 4 states have call predecessors, (81), 4 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-13 13:48:49,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1426 states and 2217 transitions. [2024-11-13 13:48:49,851 INFO L78 Accepts]: Start accepts. Automaton has 1426 states and 2217 transitions. Word has length 52 [2024-11-13 13:48:49,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:48:49,851 INFO L471 AbstractCegarLoop]: Abstraction has 1426 states and 2217 transitions. [2024-11-13 13:48:49,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-13 13:48:49,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 2217 transitions. [2024-11-13 13:48:49,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-13 13:48:49,852 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:49,852 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:49,871 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-13 13:48:50,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-11-13 13:48:50,053 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:48:50,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:50,054 INFO L85 PathProgramCache]: Analyzing trace with hash -887003414, now seen corresponding path program 1 times [2024-11-13 13:48:50,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:50,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209656226] [2024-11-13 13:48:50,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:50,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:50,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:48:50,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1437421737] [2024-11-13 13:48:50,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:50,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:48:50,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:50,073 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:48:50,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-13 13:48:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:50,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 13:48:50,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:48:50,402 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 13:48:50,403 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:48:55,720 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 13:48:55,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:55,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209656226] [2024-11-13 13:48:55,720 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:48:55,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1437421737] [2024-11-13 13:48:55,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1437421737] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:48:55,720 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:48:55,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2024-11-13 13:48:55,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477033206] [2024-11-13 13:48:55,721 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 13:48:55,721 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-13 13:48:55,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:55,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-13 13:48:55,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=163, Unknown=1, NotChecked=0, Total=210 [2024-11-13 13:48:55,722 INFO L87 Difference]: Start difference. First operand 1426 states and 2217 transitions. Second operand has 15 states, 14 states have (on average 6.285714285714286) internal successors, (88), 13 states have internal predecessors, (88), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-13 13:48:58,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:48:58,993 INFO L93 Difference]: Finished difference Result 1499 states and 2242 transitions. [2024-11-13 13:48:58,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:48:58,993 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.285714285714286) internal successors, (88), 13 states have internal predecessors, (88), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) Word has length 51 [2024-11-13 13:48:58,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:48:58,998 INFO L225 Difference]: With dead ends: 1499 [2024-11-13 13:48:58,999 INFO L226 Difference]: Without dead ends: 1498 [2024-11-13 13:48:58,999 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=71, Invalid=234, Unknown=1, NotChecked=0, Total=306 [2024-11-13 13:48:59,000 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 711 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 561 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 721 SdHoareTripleChecker+Valid, 714 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 561 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:48:59,000 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [721 Valid, 714 Invalid, 602 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 561 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-13 13:48:59,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1498 states. [2024-11-13 13:48:59,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1498 to 1426. [2024-11-13 13:48:59,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1426 states, 1288 states have (on average 1.5885093167701863) internal successors, (2046), 1340 states have internal predecessors, (2046), 81 states have call successors, (81), 4 states have call predecessors, (81), 4 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-13 13:48:59,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1426 states and 2208 transitions. [2024-11-13 13:48:59,099 INFO L78 Accepts]: Start accepts. Automaton has 1426 states and 2208 transitions. Word has length 51 [2024-11-13 13:48:59,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:48:59,100 INFO L471 AbstractCegarLoop]: Abstraction has 1426 states and 2208 transitions. [2024-11-13 13:48:59,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.285714285714286) internal successors, (88), 13 states have internal predecessors, (88), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (3), 3 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-13 13:48:59,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 2208 transitions. [2024-11-13 13:48:59,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 13:48:59,101 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:48:59,101 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:48:59,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-13 13:48:59,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2024-11-13 13:48:59,301 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:48:59,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:48:59,302 INFO L85 PathProgramCache]: Analyzing trace with hash -777688482, now seen corresponding path program 1 times [2024-11-13 13:48:59,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:48:59,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664998682] [2024-11-13 13:48:59,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:59,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:48:59,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:48:59,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [123389294] [2024-11-13 13:48:59,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:48:59,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:48:59,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:48:59,316 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:48:59,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-13 13:48:59,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:48:59,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 13:48:59,371 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:48:59,502 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 13:48:59,502 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:48:59,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:48:59,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664998682] [2024-11-13 13:48:59,502 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:48:59,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [123389294] [2024-11-13 13:48:59,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [123389294] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:48:59,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:48:59,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:48:59,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463902584] [2024-11-13 13:48:59,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:48:59,503 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:48:59,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:48:59,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:48:59,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:48:59,504 INFO L87 Difference]: Start difference. First operand 1426 states and 2208 transitions. Second operand has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-13 13:49:00,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:49:00,003 INFO L93 Difference]: Finished difference Result 1458 states and 2216 transitions. [2024-11-13 13:49:00,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:49:00,004 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 53 [2024-11-13 13:49:00,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:49:00,009 INFO L225 Difference]: With dead ends: 1458 [2024-11-13 13:49:00,009 INFO L226 Difference]: Without dead ends: 1457 [2024-11-13 13:49:00,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:49:00,011 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 311 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 315 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:49:00,011 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [315 Valid, 319 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:49:00,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1457 states. [2024-11-13 13:49:00,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1457 to 1426. [2024-11-13 13:49:00,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1426 states, 1288 states have (on average 1.5861801242236024) internal successors, (2043), 1340 states have internal predecessors, (2043), 81 states have call successors, (81), 4 states have call predecessors, (81), 4 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-13 13:49:00,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1426 states and 2205 transitions. [2024-11-13 13:49:00,104 INFO L78 Accepts]: Start accepts. Automaton has 1426 states and 2205 transitions. Word has length 53 [2024-11-13 13:49:00,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:49:00,104 INFO L471 AbstractCegarLoop]: Abstraction has 1426 states and 2205 transitions. [2024-11-13 13:49:00,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.75) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-13 13:49:00,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 2205 transitions. [2024-11-13 13:49:00,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-13 13:49:00,105 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:49:00,105 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:49:00,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-13 13:49:00,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-11-13 13:49:00,306 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:49:00,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:49:00,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1727301962, now seen corresponding path program 1 times [2024-11-13 13:49:00,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:49:00,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081400124] [2024-11-13 13:49:00,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:49:00,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:49:00,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:49:00,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1727603181] [2024-11-13 13:49:00,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:49:00,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:49:00,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:49:00,320 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:49:00,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-13 13:49:00,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:49:00,377 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 13:49:00,378 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:49:00,611 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:49:00,611 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:49:01,303 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:49:01,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:49:01,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081400124] [2024-11-13 13:49:01,304 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:49:01,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1727603181] [2024-11-13 13:49:01,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1727603181] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:49:01,304 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:49:01,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-13 13:49:01,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905495124] [2024-11-13 13:49:01,304 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 13:49:01,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:49:01,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:49:01,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:49:01,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:49:01,305 INFO L87 Difference]: Start difference. First operand 1426 states and 2205 transitions. Second operand has 10 states, 9 states have (on average 9.555555555555555) internal successors, (86), 10 states have internal predecessors, (86), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-13 13:49:03,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:49:03,740 INFO L93 Difference]: Finished difference Result 1501 states and 2232 transitions. [2024-11-13 13:49:03,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 13:49:03,741 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.555555555555555) internal successors, (86), 10 states have internal predecessors, (86), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 52 [2024-11-13 13:49:03,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:49:03,744 INFO L225 Difference]: With dead ends: 1501 [2024-11-13 13:49:03,744 INFO L226 Difference]: Without dead ends: 1499 [2024-11-13 13:49:03,744 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:49:03,745 INFO L432 NwaCegarLoop]: 184 mSDtfsCounter, 585 mSDsluCounter, 586 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 594 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:49:03,745 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [594 Valid, 770 Invalid, 478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-13 13:49:03,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1499 states. [2024-11-13 13:49:03,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1499 to 1427. [2024-11-13 13:49:03,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1427 states, 1289 states have (on average 1.5748642358417377) internal successors, (2030), 1341 states have internal predecessors, (2030), 81 states have call successors, (81), 4 states have call predecessors, (81), 4 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-13 13:49:03,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1427 states to 1427 states and 2192 transitions. [2024-11-13 13:49:03,851 INFO L78 Accepts]: Start accepts. Automaton has 1427 states and 2192 transitions. Word has length 52 [2024-11-13 13:49:03,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:49:03,851 INFO L471 AbstractCegarLoop]: Abstraction has 1427 states and 2192 transitions. [2024-11-13 13:49:03,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.555555555555555) internal successors, (86), 10 states have internal predecessors, (86), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-13 13:49:03,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1427 states and 2192 transitions. [2024-11-13 13:49:03,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-13 13:49:03,852 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:49:03,852 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:49:03,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-13 13:49:04,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:49:04,055 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:49:04,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:49:04,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1547676553, now seen corresponding path program 1 times [2024-11-13 13:49:04,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:49:04,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19321026] [2024-11-13 13:49:04,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:49:04,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:49:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:49:04,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [675155691] [2024-11-13 13:49:04,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:49:04,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:49:04,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:49:04,071 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:49:04,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-13 13:49:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:49:04,135 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 13:49:04,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:49:04,260 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 13:49:04,260 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:49:04,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:49:04,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19321026] [2024-11-13 13:49:04,260 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:49:04,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675155691] [2024-11-13 13:49:04,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [675155691] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:49:04,261 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:49:04,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:49:04,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466554319] [2024-11-13 13:49:04,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:49:04,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:49:04,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:49:04,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:49:04,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:49:04,262 INFO L87 Difference]: Start difference. First operand 1427 states and 2192 transitions. Second operand has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-13 13:49:04,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:49:04,736 INFO L93 Difference]: Finished difference Result 1489 states and 2259 transitions. [2024-11-13 13:49:04,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:49:04,737 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 59 [2024-11-13 13:49:04,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:49:04,741 INFO L225 Difference]: With dead ends: 1489 [2024-11-13 13:49:04,741 INFO L226 Difference]: Without dead ends: 1486 [2024-11-13 13:49:04,742 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:49:04,743 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 262 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:49:04,743 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [266 Valid, 239 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:49:04,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1486 states. [2024-11-13 13:49:04,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1486 to 1461. [2024-11-13 13:49:04,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1461 states, 1319 states have (on average 1.5648218347232752) internal successors, (2064), 1371 states have internal predecessors, (2064), 85 states have call successors, (85), 4 states have call predecessors, (85), 4 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-13 13:49:04,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1461 states and 2234 transitions. [2024-11-13 13:49:04,893 INFO L78 Accepts]: Start accepts. Automaton has 1461 states and 2234 transitions. Word has length 59 [2024-11-13 13:49:04,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:49:04,894 INFO L471 AbstractCegarLoop]: Abstraction has 1461 states and 2234 transitions. [2024-11-13 13:49:04,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-13 13:49:04,894 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 2234 transitions. [2024-11-13 13:49:04,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-13 13:49:04,895 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:49:04,895 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:49:04,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-13 13:49:05,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-13 13:49:05,095 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:49:05,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:49:05,096 INFO L85 PathProgramCache]: Analyzing trace with hash -1178707007, now seen corresponding path program 1 times [2024-11-13 13:49:05,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:49:05,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193404233] [2024-11-13 13:49:05,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:49:05,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:49:05,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:49:05,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1458582803] [2024-11-13 13:49:05,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:49:05,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:49:05,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:49:05,114 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:49:05,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-13 13:49:05,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:49:05,177 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 13:49:05,179 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:49:05,504 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 13:49:05,504 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:49:18,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:49:18,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193404233] [2024-11-13 13:49:18,331 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:49:18,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1458582803] [2024-11-13 13:49:18,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1458582803] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:49:18,331 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:49:18,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-13 13:49:18,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192242180] [2024-11-13 13:49:18,332 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 13:49:18,332 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:49:18,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:49:18,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:49:18,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=112, Unknown=3, NotChecked=0, Total=156 [2024-11-13 13:49:18,333 INFO L87 Difference]: Start difference. First operand 1461 states and 2234 transitions. Second operand has 9 states, 7 states have (on average 7.428571428571429) internal successors, (52), 8 states have internal predecessors, (52), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 13:49:18,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:49:18,700 INFO L93 Difference]: Finished difference Result 1583 states and 2367 transitions. [2024-11-13 13:49:18,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 13:49:18,700 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 7.428571428571429) internal successors, (52), 8 states have internal predecessors, (52), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 58 [2024-11-13 13:49:18,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:49:18,708 INFO L225 Difference]: With dead ends: 1583 [2024-11-13 13:49:18,708 INFO L226 Difference]: Without dead ends: 1581 [2024-11-13 13:49:18,709 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 12.6s TimeCoverageRelationStatistics Valid=41, Invalid=112, Unknown=3, NotChecked=0, Total=156 [2024-11-13 13:49:18,712 INFO L432 NwaCegarLoop]: 162 mSDtfsCounter, 363 mSDsluCounter, 644 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 806 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:49:18,714 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 806 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:49:18,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1581 states. [2024-11-13 13:49:18,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1581 to 1461. [2024-11-13 13:49:18,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1461 states, 1319 states have (on average 1.55724033358605) internal successors, (2054), 1371 states have internal predecessors, (2054), 85 states have call successors, (85), 4 states have call predecessors, (85), 4 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-13 13:49:18,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1461 states and 2224 transitions. [2024-11-13 13:49:18,804 INFO L78 Accepts]: Start accepts. Automaton has 1461 states and 2224 transitions. Word has length 58 [2024-11-13 13:49:18,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:49:18,805 INFO L471 AbstractCegarLoop]: Abstraction has 1461 states and 2224 transitions. [2024-11-13 13:49:18,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 7.428571428571429) internal successors, (52), 8 states have internal predecessors, (52), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 13:49:18,805 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 2224 transitions. [2024-11-13 13:49:18,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-13 13:49:18,807 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:49:18,807 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:49:18,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-13 13:49:19,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-13 13:49:19,007 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:49:19,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:49:19,008 INFO L85 PathProgramCache]: Analyzing trace with hash -733332764, now seen corresponding path program 1 times [2024-11-13 13:49:19,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:49:19,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174630361] [2024-11-13 13:49:19,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:49:19,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:49:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:49:19,017 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2104047877] [2024-11-13 13:49:19,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:49:19,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:49:19,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:49:19,024 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:49:19,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-13 13:49:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:49:19,082 INFO L255 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 13:49:19,083 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:49:19,202 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 13:49:19,202 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:49:19,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:49:19,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174630361] [2024-11-13 13:49:19,203 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:49:19,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2104047877] [2024-11-13 13:49:19,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2104047877] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:49:19,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:49:19,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:49:19,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62411069] [2024-11-13 13:49:19,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:49:19,205 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:49:19,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:49:19,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:49:19,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:49:19,206 INFO L87 Difference]: Start difference. First operand 1461 states and 2224 transitions. Second operand has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-13 13:49:19,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:49:19,817 INFO L93 Difference]: Finished difference Result 1487 states and 2240 transitions. [2024-11-13 13:49:19,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:49:19,817 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2024-11-13 13:49:19,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:49:19,824 INFO L225 Difference]: With dead ends: 1487 [2024-11-13 13:49:19,824 INFO L226 Difference]: Without dead ends: 1486 [2024-11-13 13:49:19,825 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:49:19,829 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 245 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 249 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:49:19,829 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [249 Valid, 308 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:49:19,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1486 states. [2024-11-13 13:49:19,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1486 to 1461. [2024-11-13 13:49:19,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1461 states, 1319 states have (on average 1.5549658832448825) internal successors, (2051), 1371 states have internal predecessors, (2051), 85 states have call successors, (85), 4 states have call predecessors, (85), 4 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-13 13:49:19,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1461 states and 2221 transitions. [2024-11-13 13:49:19,919 INFO L78 Accepts]: Start accepts. Automaton has 1461 states and 2221 transitions. Word has length 60 [2024-11-13 13:49:19,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:49:19,919 INFO L471 AbstractCegarLoop]: Abstraction has 1461 states and 2221 transitions. [2024-11-13 13:49:19,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.25) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-13 13:49:19,919 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 2221 transitions. [2024-11-13 13:49:19,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-13 13:49:19,920 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:49:19,920 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:49:19,944 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-11-13 13:49:20,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-13 13:49:20,121 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:49:20,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:49:20,121 INFO L85 PathProgramCache]: Analyzing trace with hash 2114788548, now seen corresponding path program 1 times [2024-11-13 13:49:20,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:49:20,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924088518] [2024-11-13 13:49:20,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:49:20,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:49:20,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:49:20,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1796076647] [2024-11-13 13:49:20,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:49:20,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:49:20,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:49:20,138 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:49:20,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-13 13:49:20,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:49:20,195 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 13:49:20,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:49:20,532 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 13:49:20,532 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:49:27,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:49:27,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924088518] [2024-11-13 13:49:27,759 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:49:27,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796076647] [2024-11-13 13:49:27,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1796076647] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:49:27,759 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:49:27,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-13 13:49:27,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830429637] [2024-11-13 13:49:27,759 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 13:49:27,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:49:27,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:49:27,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:49:27,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=112, Unknown=2, NotChecked=0, Total=156 [2024-11-13 13:49:27,760 INFO L87 Difference]: Start difference. First operand 1461 states and 2221 transitions. Second operand has 9 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 13:49:28,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:49:28,183 INFO L93 Difference]: Finished difference Result 1583 states and 2354 transitions. [2024-11-13 13:49:28,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 13:49:28,183 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 59 [2024-11-13 13:49:28,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:49:28,187 INFO L225 Difference]: With dead ends: 1583 [2024-11-13 13:49:28,188 INFO L226 Difference]: Without dead ends: 1581 [2024-11-13 13:49:28,188 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=53, Invalid=127, Unknown=2, NotChecked=0, Total=182 [2024-11-13 13:49:28,189 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 388 mSDsluCounter, 456 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 399 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:49:28,189 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [399 Valid, 559 Invalid, 285 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:49:28,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1581 states. [2024-11-13 13:49:28,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1581 to 1461. [2024-11-13 13:49:28,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1461 states, 1319 states have (on average 1.5473843821076574) internal successors, (2041), 1371 states have internal predecessors, (2041), 85 states have call successors, (85), 4 states have call predecessors, (85), 4 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-13 13:49:28,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1461 states and 2211 transitions. [2024-11-13 13:49:28,273 INFO L78 Accepts]: Start accepts. Automaton has 1461 states and 2211 transitions. Word has length 59 [2024-11-13 13:49:28,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:49:28,273 INFO L471 AbstractCegarLoop]: Abstraction has 1461 states and 2211 transitions. [2024-11-13 13:49:28,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 7.571428571428571) internal successors, (53), 8 states have internal predecessors, (53), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 13:49:28,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 2211 transitions. [2024-11-13 13:49:28,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-13 13:49:28,274 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:49:28,274 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:49:28,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2024-11-13 13:49:28,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-13 13:49:28,474 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:49:28,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:49:28,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1133935651, now seen corresponding path program 1 times [2024-11-13 13:49:28,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:49:28,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623993351] [2024-11-13 13:49:28,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:49:28,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:49:28,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:49:28,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [362748465] [2024-11-13 13:49:28,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:49:28,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:49:28,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:49:28,489 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:49:28,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-13 13:49:28,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:49:28,548 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 13:49:28,550 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:49:28,874 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 13:49:28,874 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:49:30,049 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 13:49:30,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:49:30,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623993351] [2024-11-13 13:49:30,049 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:49:30,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [362748465] [2024-11-13 13:49:30,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [362748465] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:49:30,049 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:49:30,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2024-11-13 13:49:30,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681698373] [2024-11-13 13:49:30,049 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 13:49:30,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-13 13:49:30,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:49:30,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-13 13:49:30,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2024-11-13 13:49:30,050 INFO L87 Difference]: Start difference. First operand 1461 states and 2211 transitions. Second operand has 16 states, 14 states have (on average 7.142857142857143) internal successors, (100), 14 states have internal predecessors, (100), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-13 13:49:37,474 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-13 13:49:41,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-13 13:49:45,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-13 13:49:46,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:49:46,003 INFO L93 Difference]: Finished difference Result 3564 states and 5372 transitions. [2024-11-13 13:49:46,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-13 13:49:46,003 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 7.142857142857143) internal successors, (100), 14 states have internal predecessors, (100), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) Word has length 60 [2024-11-13 13:49:46,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:49:46,012 INFO L225 Difference]: With dead ends: 3564 [2024-11-13 13:49:46,012 INFO L226 Difference]: Without dead ends: 3559 [2024-11-13 13:49:46,014 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=203, Invalid=553, Unknown=0, NotChecked=0, Total=756 [2024-11-13 13:49:46,014 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 1409 mSDsluCounter, 995 mSDsCounter, 0 mSdLazyCounter, 793 mSolverCounterSat, 90 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1411 SdHoareTripleChecker+Valid, 1116 SdHoareTripleChecker+Invalid, 886 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 793 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:49:46,014 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1411 Valid, 1116 Invalid, 886 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 793 Invalid, 3 Unknown, 0 Unchecked, 15.4s Time] [2024-11-13 13:49:46,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3559 states. [2024-11-13 13:49:46,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3559 to 1744. [2024-11-13 13:49:46,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1744 states, 1600 states have (on average 1.53) internal successors, (2448), 1652 states have internal predecessors, (2448), 87 states have call successors, (87), 4 states have call predecessors, (87), 4 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2024-11-13 13:49:46,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1744 states to 1744 states and 2622 transitions. [2024-11-13 13:49:46,163 INFO L78 Accepts]: Start accepts. Automaton has 1744 states and 2622 transitions. Word has length 60 [2024-11-13 13:49:46,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:49:46,164 INFO L471 AbstractCegarLoop]: Abstraction has 1744 states and 2622 transitions. [2024-11-13 13:49:46,164 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 7.142857142857143) internal successors, (100), 14 states have internal predecessors, (100), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-13 13:49:46,164 INFO L276 IsEmpty]: Start isEmpty. Operand 1744 states and 2622 transitions. [2024-11-13 13:49:46,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-11-13 13:49:46,165 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:49:46,165 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:49:46,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-13 13:49:46,368 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2024-11-13 13:49:46,369 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:49:46,369 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:49:46,369 INFO L85 PathProgramCache]: Analyzing trace with hash 792266918, now seen corresponding path program 1 times [2024-11-13 13:49:46,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:49:46,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142192927] [2024-11-13 13:49:46,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:49:46,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:49:46,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:49:46,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [612806931] [2024-11-13 13:49:46,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:49:46,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:49:46,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:49:46,387 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:49:46,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-13 13:49:46,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:49:46,459 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 13:49:46,460 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:49:46,824 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 13:49:46,825 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:49:52,551 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 13:49:52,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:49:52,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142192927] [2024-11-13 13:49:52,551 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:49:52,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [612806931] [2024-11-13 13:49:52,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [612806931] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:49:52,551 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:49:52,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 15 [2024-11-13 13:49:52,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429074380] [2024-11-13 13:49:52,551 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 13:49:52,552 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-13 13:49:52,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:49:52,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-13 13:49:52,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=183, Unknown=2, NotChecked=0, Total=240 [2024-11-13 13:49:52,552 INFO L87 Difference]: Start difference. First operand 1744 states and 2622 transitions. Second operand has 16 states, 14 states have (on average 7.285714285714286) internal successors, (102), 14 states have internal predecessors, (102), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-13 13:49:56,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-13 13:50:01,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-13 13:50:05,215 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-13 13:50:09,256 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-13 13:50:13,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-13 13:50:17,325 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-13 13:50:21,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-13 13:50:26,655 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-13 13:50:30,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-13 13:50:34,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-13 13:50:39,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-13 13:50:43,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-13 13:50:47,237 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-13 13:50:51,407 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-13 13:50:55,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-13 13:50:59,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-13 13:51:03,687 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-13 13:51:07,804 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-13 13:51:11,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-13 13:51:15,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-13 13:51:19,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-13 13:51:23,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-13 13:51:28,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-13 13:51:32,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-13 13:51:36,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-13 13:51:42,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-13 13:51:47,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-13 13:51:51,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-13 13:51:51,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:51:51,805 INFO L93 Difference]: Finished difference Result 2976 states and 4409 transitions. [2024-11-13 13:51:51,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-13 13:51:51,806 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 7.285714285714286) internal successors, (102), 14 states have internal predecessors, (102), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) Word has length 61 [2024-11-13 13:51:51,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:51:51,814 INFO L225 Difference]: With dead ends: 2976 [2024-11-13 13:51:51,814 INFO L226 Difference]: Without dead ends: 2971 [2024-11-13 13:51:51,816 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=218, Invalid=592, Unknown=2, NotChecked=0, Total=812 [2024-11-13 13:51:51,816 INFO L432 NwaCegarLoop]: 230 mSDtfsCounter, 1313 mSDsluCounter, 1750 mSDsCounter, 0 mSdLazyCounter, 1426 mSolverCounterSat, 93 mSolverCounterUnsat, 28 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 117.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1315 SdHoareTripleChecker+Valid, 1980 SdHoareTripleChecker+Invalid, 1547 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 93 IncrementalHoareTripleChecker+Valid, 1426 IncrementalHoareTripleChecker+Invalid, 28 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 118.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:51:51,817 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1315 Valid, 1980 Invalid, 1547 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [93 Valid, 1426 Invalid, 28 Unknown, 0 Unchecked, 118.6s Time] [2024-11-13 13:51:51,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2971 states. [2024-11-13 13:51:51,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2971 to 2083. [2024-11-13 13:51:51,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2083 states, 1927 states have (on average 1.5220550077841204) internal successors, (2933), 1979 states have internal predecessors, (2933), 99 states have call successors, (99), 4 states have call predecessors, (99), 4 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-13 13:51:51,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2083 states to 2083 states and 3131 transitions. [2024-11-13 13:51:51,983 INFO L78 Accepts]: Start accepts. Automaton has 2083 states and 3131 transitions. Word has length 61 [2024-11-13 13:51:51,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:51:51,983 INFO L471 AbstractCegarLoop]: Abstraction has 2083 states and 3131 transitions. [2024-11-13 13:51:51,983 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 7.285714285714286) internal successors, (102), 14 states have internal predecessors, (102), 4 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-13 13:51:51,983 INFO L276 IsEmpty]: Start isEmpty. Operand 2083 states and 3131 transitions. [2024-11-13 13:51:51,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-13 13:51:51,983 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:51:51,983 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:51:51,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-11-13 13:51:52,184 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2024-11-13 13:51:52,184 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:51:52,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:51:52,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1209529211, now seen corresponding path program 1 times [2024-11-13 13:51:52,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:51:52,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531526469] [2024-11-13 13:51:52,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:51:52,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:51:52,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:51:52,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1337207874] [2024-11-13 13:51:52,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:51:52,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:51:52,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:51:52,201 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:51:52,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-13 13:51:52,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:51:52,267 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 13:51:52,269 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:51:52,622 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 13:51:52,622 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:51:52,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:51:52,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531526469] [2024-11-13 13:51:52,696 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:51:52,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1337207874] [2024-11-13 13:51:52,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1337207874] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:51:52,696 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:51:52,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-13 13:51:52,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357336963] [2024-11-13 13:51:52,696 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 13:51:52,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:51:52,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:51:52,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:51:52,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:51:52,697 INFO L87 Difference]: Start difference. First operand 2083 states and 3131 transitions. Second operand has 10 states, 8 states have (on average 7.0) internal successors, (56), 9 states have internal predecessors, (56), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 13:51:53,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:51:53,561 INFO L93 Difference]: Finished difference Result 2214 states and 3270 transitions. [2024-11-13 13:51:53,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 13:51:53,562 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 7.0) internal successors, (56), 9 states have internal predecessors, (56), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 62 [2024-11-13 13:51:53,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:51:53,568 INFO L225 Difference]: With dead ends: 2214 [2024-11-13 13:51:53,568 INFO L226 Difference]: Without dead ends: 2213 [2024-11-13 13:51:53,569 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:51:53,570 INFO L432 NwaCegarLoop]: 182 mSDtfsCounter, 415 mSDsluCounter, 839 mSDsCounter, 0 mSdLazyCounter, 581 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 427 SdHoareTripleChecker+Valid, 1021 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 581 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 13:51:53,570 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [427 Valid, 1021 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 581 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 13:51:53,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2213 states. [2024-11-13 13:51:53,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2213 to 2083. [2024-11-13 13:51:53,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2083 states, 1927 states have (on average 1.5179034769071096) internal successors, (2925), 1979 states have internal predecessors, (2925), 99 states have call successors, (99), 4 states have call predecessors, (99), 4 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-13 13:51:53,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2083 states to 2083 states and 3123 transitions. [2024-11-13 13:51:53,765 INFO L78 Accepts]: Start accepts. Automaton has 2083 states and 3123 transitions. Word has length 62 [2024-11-13 13:51:53,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:51:53,765 INFO L471 AbstractCegarLoop]: Abstraction has 2083 states and 3123 transitions. [2024-11-13 13:51:53,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 7.0) internal successors, (56), 9 states have internal predecessors, (56), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-13 13:51:53,766 INFO L276 IsEmpty]: Start isEmpty. Operand 2083 states and 3123 transitions. [2024-11-13 13:51:53,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 13:51:53,766 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:51:53,766 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:51:53,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-11-13 13:51:53,970 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2024-11-13 13:51:53,971 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:51:53,971 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:51:53,971 INFO L85 PathProgramCache]: Analyzing trace with hash 1159300232, now seen corresponding path program 1 times [2024-11-13 13:51:53,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:51:53,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779356505] [2024-11-13 13:51:53,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:51:53,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:51:53,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:51:53,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [61359235] [2024-11-13 13:51:53,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:51:53,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:51:53,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:51:53,989 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:51:53,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-13 13:51:54,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:51:54,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-13 13:51:54,049 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:51:54,456 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:51:54,457 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:51:54,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:51:54,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779356505] [2024-11-13 13:51:54,770 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:51:54,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [61359235] [2024-11-13 13:51:54,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [61359235] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:51:54,770 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:51:54,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-13 13:51:54,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638411643] [2024-11-13 13:51:54,770 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 13:51:54,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 13:51:54,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:51:54,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 13:51:54,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:51:54,771 INFO L87 Difference]: Start difference. First operand 2083 states and 3123 transitions. Second operand has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 13:51:55,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:51:55,571 INFO L93 Difference]: Finished difference Result 2159 states and 3175 transitions. [2024-11-13 13:51:55,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 13:51:55,571 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 63 [2024-11-13 13:51:55,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:51:55,576 INFO L225 Difference]: With dead ends: 2159 [2024-11-13 13:51:55,576 INFO L226 Difference]: Without dead ends: 2158 [2024-11-13 13:51:55,577 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:51:55,578 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 344 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 13:51:55,578 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [359 Valid, 607 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 13:51:55,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2158 states. [2024-11-13 13:51:55,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2158 to 2083. [2024-11-13 13:51:55,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2083 states, 1927 states have (on average 1.5153087701089776) internal successors, (2920), 1979 states have internal predecessors, (2920), 99 states have call successors, (99), 4 states have call predecessors, (99), 4 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-13 13:51:55,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2083 states to 2083 states and 3118 transitions. [2024-11-13 13:51:55,797 INFO L78 Accepts]: Start accepts. Automaton has 2083 states and 3118 transitions. Word has length 63 [2024-11-13 13:51:55,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:51:55,797 INFO L471 AbstractCegarLoop]: Abstraction has 2083 states and 3118 transitions. [2024-11-13 13:51:55,798 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.714285714285714) internal successors, (54), 8 states have internal predecessors, (54), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-13 13:51:55,798 INFO L276 IsEmpty]: Start isEmpty. Operand 2083 states and 3118 transitions. [2024-11-13 13:51:55,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-13 13:51:55,799 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:51:55,799 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:51:55,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-11-13 13:51:56,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:51:56,001 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:51:56,002 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:51:56,002 INFO L85 PathProgramCache]: Analyzing trace with hash -545924610, now seen corresponding path program 1 times [2024-11-13 13:51:56,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:51:56,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478063567] [2024-11-13 13:51:56,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:51:56,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:51:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:51:56,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:51:56,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:51:56,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:51:56,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:51:56,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 13:51:56,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:51:56,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-13 13:51:56,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:51:56,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 13:51:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:51:56,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:51:56,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:51:56,093 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 13:51:56,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:51:56,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478063567] [2024-11-13 13:51:56,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478063567] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:51:56,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:51:56,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:51:56,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666290694] [2024-11-13 13:51:56,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:51:56,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:51:56,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:51:56,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:51:56,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:51:56,095 INFO L87 Difference]: Start difference. First operand 2083 states and 3118 transitions. Second operand has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:51:56,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:51:56,970 INFO L93 Difference]: Finished difference Result 2108 states and 3130 transitions. [2024-11-13 13:51:56,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:51:56,970 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 66 [2024-11-13 13:51:56,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:51:56,974 INFO L225 Difference]: With dead ends: 2108 [2024-11-13 13:51:56,975 INFO L226 Difference]: Without dead ends: 2106 [2024-11-13 13:51:56,975 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:51:56,976 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 272 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 13:51:56,976 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 312 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 13:51:56,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2106 states. [2024-11-13 13:51:57,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2106 to 2084. [2024-11-13 13:51:57,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2084 states, 1928 states have (on average 1.512448132780083) internal successors, (2916), 1980 states have internal predecessors, (2916), 99 states have call successors, (99), 4 states have call predecessors, (99), 4 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-13 13:51:57,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2084 states to 2084 states and 3114 transitions. [2024-11-13 13:51:57,115 INFO L78 Accepts]: Start accepts. Automaton has 2084 states and 3114 transitions. Word has length 66 [2024-11-13 13:51:57,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:51:57,115 INFO L471 AbstractCegarLoop]: Abstraction has 2084 states and 3114 transitions. [2024-11-13 13:51:57,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:51:57,115 INFO L276 IsEmpty]: Start isEmpty. Operand 2084 states and 3114 transitions. [2024-11-13 13:51:57,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-13 13:51:57,116 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:51:57,116 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:51:57,116 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-11-13 13:51:57,116 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:51:57,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:51:57,117 INFO L85 PathProgramCache]: Analyzing trace with hash 256206402, now seen corresponding path program 1 times [2024-11-13 13:51:57,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:51:57,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065744621] [2024-11-13 13:51:57,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:51:57,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:51:57,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:51:57,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:51:57,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:51:57,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:51:57,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:51:57,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 13:51:57,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:51:57,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-13 13:51:57,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:51:57,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 13:51:57,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:51:57,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:51:57,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:51:57,186 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 13:51:57,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:51:57,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1065744621] [2024-11-13 13:51:57,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1065744621] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:51:57,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:51:57,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:51:57,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006079605] [2024-11-13 13:51:57,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:51:57,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:51:57,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:51:57,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:51:57,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:51:57,188 INFO L87 Difference]: Start difference. First operand 2084 states and 3114 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:51:57,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:51:57,896 INFO L93 Difference]: Finished difference Result 2108 states and 3124 transitions. [2024-11-13 13:51:57,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:51:57,897 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 67 [2024-11-13 13:51:57,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:51:57,903 INFO L225 Difference]: With dead ends: 2108 [2024-11-13 13:51:57,903 INFO L226 Difference]: Without dead ends: 2106 [2024-11-13 13:51:57,903 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:51:57,904 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 267 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 271 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:51:57,904 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [271 Valid, 316 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:51:57,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2106 states. [2024-11-13 13:51:58,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2106 to 2085. [2024-11-13 13:51:58,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2085 states, 1929 states have (on average 1.5095904613789528) internal successors, (2912), 1981 states have internal predecessors, (2912), 99 states have call successors, (99), 4 states have call predecessors, (99), 4 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-11-13 13:51:58,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2085 states to 2085 states and 3110 transitions. [2024-11-13 13:51:58,084 INFO L78 Accepts]: Start accepts. Automaton has 2085 states and 3110 transitions. Word has length 67 [2024-11-13 13:51:58,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:51:58,084 INFO L471 AbstractCegarLoop]: Abstraction has 2085 states and 3110 transitions. [2024-11-13 13:51:58,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:51:58,084 INFO L276 IsEmpty]: Start isEmpty. Operand 2085 states and 3110 transitions. [2024-11-13 13:51:58,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-13 13:51:58,085 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:51:58,085 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:51:58,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-11-13 13:51:58,085 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:51:58,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:51:58,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1401220657, now seen corresponding path program 1 times [2024-11-13 13:51:58,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:51:58,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43353371] [2024-11-13 13:51:58,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:51:58,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:51:58,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:51:58,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:51:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:51:58,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:51:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:51:58,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 13:51:58,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:51:58,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-13 13:51:58,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:51:58,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 13:51:58,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:51:58,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:51:58,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:51:58,142 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 13:51:58,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:51:58,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43353371] [2024-11-13 13:51:58,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43353371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:51:58,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:51:58,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:51:58,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291522786] [2024-11-13 13:51:58,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:51:58,143 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:51:58,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:51:58,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:51:58,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:51:58,144 INFO L87 Difference]: Start difference. First operand 2085 states and 3110 transitions. Second operand has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:51:58,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:51:58,392 INFO L93 Difference]: Finished difference Result 2285 states and 3430 transitions. [2024-11-13 13:51:58,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:51:58,393 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 69 [2024-11-13 13:51:58,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:51:58,399 INFO L225 Difference]: With dead ends: 2285 [2024-11-13 13:51:58,399 INFO L226 Difference]: Without dead ends: 2284 [2024-11-13 13:51:58,400 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:51:58,400 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 25 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:51:58,400 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 245 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:51:58,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2284 states. [2024-11-13 13:51:58,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2284 to 2241. [2024-11-13 13:51:58,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2241 states, 2065 states have (on average 1.5041162227602907) internal successors, (3106), 2117 states have internal predecessors, (3106), 119 states have call successors, (119), 4 states have call predecessors, (119), 4 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) [2024-11-13 13:51:58,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2241 states to 2241 states and 3344 transitions. [2024-11-13 13:51:58,626 INFO L78 Accepts]: Start accepts. Automaton has 2241 states and 3344 transitions. Word has length 69 [2024-11-13 13:51:58,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:51:58,627 INFO L471 AbstractCegarLoop]: Abstraction has 2241 states and 3344 transitions. [2024-11-13 13:51:58,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.5) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:51:58,628 INFO L276 IsEmpty]: Start isEmpty. Operand 2241 states and 3344 transitions. [2024-11-13 13:51:58,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-13 13:51:58,629 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:51:58,630 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:51:58,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-11-13 13:51:58,630 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:51:58,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:51:58,631 INFO L85 PathProgramCache]: Analyzing trace with hash 488167555, now seen corresponding path program 1 times [2024-11-13 13:51:58,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:51:58,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825341546] [2024-11-13 13:51:58,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:51:58,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:51:58,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:51:58,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:51:58,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:51:58,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:51:58,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:51:58,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 13:51:58,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:51:58,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-13 13:51:58,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:51:58,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 13:51:58,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:51:58,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:51:58,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:51:58,727 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 13:51:58,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:51:58,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825341546] [2024-11-13 13:51:58,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825341546] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:51:58,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:51:58,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:51:58,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698204364] [2024-11-13 13:51:58,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:51:58,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:51:58,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:51:58,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:51:58,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:51:58,729 INFO L87 Difference]: Start difference. First operand 2241 states and 3344 transitions. Second operand has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:51:59,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:51:59,288 INFO L93 Difference]: Finished difference Result 2370 states and 3485 transitions. [2024-11-13 13:51:59,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:51:59,289 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 70 [2024-11-13 13:51:59,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:51:59,294 INFO L225 Difference]: With dead ends: 2370 [2024-11-13 13:51:59,294 INFO L226 Difference]: Without dead ends: 2369 [2024-11-13 13:51:59,295 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:51:59,295 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 320 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:51:59,295 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 445 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:51:59,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2369 states. [2024-11-13 13:51:59,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2369 to 2330. [2024-11-13 13:51:59,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2330 states, 2146 states have (on average 1.5) internal successors, (3219), 2198 states have internal predecessors, (3219), 127 states have call successors, (127), 4 states have call predecessors, (127), 4 states have return successors, (127), 127 states have call predecessors, (127), 127 states have call successors, (127) [2024-11-13 13:51:59,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2330 states to 2330 states and 3473 transitions. [2024-11-13 13:51:59,610 INFO L78 Accepts]: Start accepts. Automaton has 2330 states and 3473 transitions. Word has length 70 [2024-11-13 13:51:59,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:51:59,611 INFO L471 AbstractCegarLoop]: Abstraction has 2330 states and 3473 transitions. [2024-11-13 13:51:59,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:51:59,611 INFO L276 IsEmpty]: Start isEmpty. Operand 2330 states and 3473 transitions. [2024-11-13 13:51:59,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-13 13:51:59,613 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:51:59,613 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:51:59,613 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-11-13 13:51:59,613 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:51:59,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:51:59,614 INFO L85 PathProgramCache]: Analyzing trace with hash -2046674829, now seen corresponding path program 1 times [2024-11-13 13:51:59,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:51:59,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136863402] [2024-11-13 13:51:59,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:51:59,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:51:59,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:51:59,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:51:59,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:51:59,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:51:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:51:59,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 13:51:59,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:51:59,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-13 13:51:59,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:51:59,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 13:51:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:51:59,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:51:59,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:51:59,692 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 13:51:59,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:51:59,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136863402] [2024-11-13 13:51:59,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136863402] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:51:59,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:51:59,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:51:59,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113840894] [2024-11-13 13:51:59,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:51:59,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:51:59,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:51:59,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:51:59,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:51:59,693 INFO L87 Difference]: Start difference. First operand 2330 states and 3473 transitions. Second operand has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:52:00,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:52:00,018 INFO L93 Difference]: Finished difference Result 2425 states and 3585 transitions. [2024-11-13 13:52:00,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:52:00,019 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 71 [2024-11-13 13:52:00,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:52:00,023 INFO L225 Difference]: With dead ends: 2425 [2024-11-13 13:52:00,023 INFO L226 Difference]: Without dead ends: 2421 [2024-11-13 13:52:00,024 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:52:00,024 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 85 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:52:00,025 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 350 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:52:00,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2421 states. [2024-11-13 13:52:00,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2421 to 2330. [2024-11-13 13:52:00,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2330 states, 2146 states have (on average 1.4822926374650514) internal successors, (3181), 2198 states have internal predecessors, (3181), 127 states have call successors, (127), 4 states have call predecessors, (127), 4 states have return successors, (127), 127 states have call predecessors, (127), 127 states have call successors, (127) [2024-11-13 13:52:00,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2330 states to 2330 states and 3435 transitions. [2024-11-13 13:52:00,236 INFO L78 Accepts]: Start accepts. Automaton has 2330 states and 3435 transitions. Word has length 71 [2024-11-13 13:52:00,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:52:00,236 INFO L471 AbstractCegarLoop]: Abstraction has 2330 states and 3435 transitions. [2024-11-13 13:52:00,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:52:00,237 INFO L276 IsEmpty]: Start isEmpty. Operand 2330 states and 3435 transitions. [2024-11-13 13:52:00,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-13 13:52:00,237 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:52:00,237 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:52:00,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-11-13 13:52:00,238 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:52:00,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:52:00,238 INFO L85 PathProgramCache]: Analyzing trace with hash -349303586, now seen corresponding path program 1 times [2024-11-13 13:52:00,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:52:00,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907185041] [2024-11-13 13:52:00,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:52:00,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:52:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:00,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:52:00,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:00,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:52:00,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:00,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 13:52:00,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:00,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-13 13:52:00,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:00,456 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-13 13:52:00,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:52:00,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907185041] [2024-11-13 13:52:00,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907185041] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:52:00,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [190668296] [2024-11-13 13:52:00,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:52:00,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:52:00,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:52:00,459 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:52:00,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-13 13:52:00,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:00,524 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 13:52:00,525 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:52:00,703 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 13:52:00,703 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:52:00,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [190668296] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:52:00,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:52:00,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 17 [2024-11-13 13:52:00,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333182084] [2024-11-13 13:52:00,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:52:00,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 13:52:00,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:52:00,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 13:52:00,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2024-11-13 13:52:00,704 INFO L87 Difference]: Start difference. First operand 2330 states and 3435 transitions. Second operand has 8 states, 7 states have (on average 8.142857142857142) internal successors, (57), 8 states have internal predecessors, (57), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-13 13:52:01,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:52:01,794 INFO L93 Difference]: Finished difference Result 2398 states and 3455 transitions. [2024-11-13 13:52:01,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 13:52:01,794 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.142857142857142) internal successors, (57), 8 states have internal predecessors, (57), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 71 [2024-11-13 13:52:01,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:52:01,797 INFO L225 Difference]: With dead ends: 2398 [2024-11-13 13:52:01,797 INFO L226 Difference]: Without dead ends: 2397 [2024-11-13 13:52:01,798 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=409, Unknown=0, NotChecked=0, Total=506 [2024-11-13 13:52:01,799 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 514 mSDsluCounter, 609 mSDsCounter, 0 mSdLazyCounter, 446 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 518 SdHoareTripleChecker+Valid, 756 SdHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 446 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:52:01,799 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [518 Valid, 756 Invalid, 476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 446 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 13:52:01,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2397 states. [2024-11-13 13:52:01,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2397 to 2330. [2024-11-13 13:52:01,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2330 states, 2146 states have (on average 1.4808946877912395) internal successors, (3178), 2198 states have internal predecessors, (3178), 127 states have call successors, (127), 4 states have call predecessors, (127), 4 states have return successors, (127), 127 states have call predecessors, (127), 127 states have call successors, (127) [2024-11-13 13:52:01,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2330 states to 2330 states and 3432 transitions. [2024-11-13 13:52:01,997 INFO L78 Accepts]: Start accepts. Automaton has 2330 states and 3432 transitions. Word has length 71 [2024-11-13 13:52:01,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:52:01,998 INFO L471 AbstractCegarLoop]: Abstraction has 2330 states and 3432 transitions. [2024-11-13 13:52:01,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.142857142857142) internal successors, (57), 8 states have internal predecessors, (57), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-13 13:52:01,998 INFO L276 IsEmpty]: Start isEmpty. Operand 2330 states and 3432 transitions. [2024-11-13 13:52:01,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-13 13:52:01,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:52:01,999 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:52:02,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2024-11-13 13:52:02,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-11-13 13:52:02,199 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:52:02,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:52:02,200 INFO L85 PathProgramCache]: Analyzing trace with hash 2056490840, now seen corresponding path program 1 times [2024-11-13 13:52:02,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:52:02,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968136120] [2024-11-13 13:52:02,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:52:02,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:52:02,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:52:02,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [544987970] [2024-11-13 13:52:02,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:52:02,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:52:02,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:52:02,215 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:52:02,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-13 13:52:02,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:02,280 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 13:52:02,281 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:52:02,426 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 13:52:02,426 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:52:02,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:52:02,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968136120] [2024-11-13 13:52:02,459 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:52:02,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [544987970] [2024-11-13 13:52:02,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [544987970] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:52:02,459 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:52:02,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-13 13:52:02,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540393818] [2024-11-13 13:52:02,459 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 13:52:02,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:52:02,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:52:02,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:52:02,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:52:02,460 INFO L87 Difference]: Start difference. First operand 2330 states and 3432 transitions. Second operand has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-13 13:52:03,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:52:03,436 INFO L93 Difference]: Finished difference Result 2937 states and 4294 transitions. [2024-11-13 13:52:03,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:52:03,436 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 72 [2024-11-13 13:52:03,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:52:03,452 INFO L225 Difference]: With dead ends: 2937 [2024-11-13 13:52:03,452 INFO L226 Difference]: Without dead ends: 2936 [2024-11-13 13:52:03,453 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2024-11-13 13:52:03,454 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 497 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 356 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 497 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 376 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 13:52:03,454 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [497 Valid, 472 Invalid, 376 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 356 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 13:52:03,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2936 states. [2024-11-13 13:52:03,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2936 to 2544. [2024-11-13 13:52:03,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2544 states, 2344 states have (on average 1.4850682593856654) internal successors, (3481), 2396 states have internal predecessors, (3481), 143 states have call successors, (143), 4 states have call predecessors, (143), 4 states have return successors, (143), 143 states have call predecessors, (143), 143 states have call successors, (143) [2024-11-13 13:52:03,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2544 states to 2544 states and 3767 transitions. [2024-11-13 13:52:03,704 INFO L78 Accepts]: Start accepts. Automaton has 2544 states and 3767 transitions. Word has length 72 [2024-11-13 13:52:03,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:52:03,705 INFO L471 AbstractCegarLoop]: Abstraction has 2544 states and 3767 transitions. [2024-11-13 13:52:03,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.6) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-13 13:52:03,706 INFO L276 IsEmpty]: Start isEmpty. Operand 2544 states and 3767 transitions. [2024-11-13 13:52:03,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-13 13:52:03,707 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:52:03,707 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:52:03,725 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2024-11-13 13:52:03,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:52:03,907 INFO L396 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:52:03,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:52:03,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1591074822, now seen corresponding path program 1 times [2024-11-13 13:52:03,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:52:03,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313385288] [2024-11-13 13:52:03,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:52:03,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:52:03,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:04,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:52:04,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:04,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:52:04,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:04,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 13:52:04,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:04,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-13 13:52:04,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:04,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 13:52:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:04,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:52:04,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:04,054 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 13:52:04,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:52:04,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313385288] [2024-11-13 13:52:04,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313385288] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:52:04,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [167865065] [2024-11-13 13:52:04,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:52:04,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:52:04,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:52:04,057 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:52:04,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-13 13:52:04,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:04,120 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 13:52:04,122 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:52:04,219 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 13:52:04,219 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:52:04,418 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 13:52:04,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [167865065] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:52:04,418 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:52:04,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 10] total 18 [2024-11-13 13:52:04,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924267530] [2024-11-13 13:52:04,418 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:52:04,419 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-13 13:52:04,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:52:04,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-13 13:52:04,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=237, Unknown=0, NotChecked=0, Total=306 [2024-11-13 13:52:04,419 INFO L87 Difference]: Start difference. First operand 2544 states and 3767 transitions. Second operand has 18 states, 18 states have (on average 5.833333333333333) internal successors, (105), 18 states have internal predecessors, (105), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-13 13:52:04,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:52:04,943 INFO L93 Difference]: Finished difference Result 4795 states and 7090 transitions. [2024-11-13 13:52:04,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-13 13:52:04,943 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.833333333333333) internal successors, (105), 18 states have internal predecessors, (105), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 77 [2024-11-13 13:52:04,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:52:04,948 INFO L225 Difference]: With dead ends: 4795 [2024-11-13 13:52:04,948 INFO L226 Difference]: Without dead ends: 2677 [2024-11-13 13:52:04,952 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=268, Invalid=992, Unknown=0, NotChecked=0, Total=1260 [2024-11-13 13:52:04,953 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 159 mSDsluCounter, 1423 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 1566 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:52:04,953 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 1566 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:52:04,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2677 states. [2024-11-13 13:52:05,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2677 to 2619. [2024-11-13 13:52:05,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2619 states, 2407 states have (on average 1.47528043207312) internal successors, (3551), 2459 states have internal predecessors, (3551), 151 states have call successors, (151), 8 states have call predecessors, (151), 8 states have return successors, (151), 151 states have call predecessors, (151), 151 states have call successors, (151) [2024-11-13 13:52:05,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2619 states to 2619 states and 3853 transitions. [2024-11-13 13:52:05,143 INFO L78 Accepts]: Start accepts. Automaton has 2619 states and 3853 transitions. Word has length 77 [2024-11-13 13:52:05,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:52:05,143 INFO L471 AbstractCegarLoop]: Abstraction has 2619 states and 3853 transitions. [2024-11-13 13:52:05,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.833333333333333) internal successors, (105), 18 states have internal predecessors, (105), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-13 13:52:05,143 INFO L276 IsEmpty]: Start isEmpty. Operand 2619 states and 3853 transitions. [2024-11-13 13:52:05,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-13 13:52:05,144 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:52:05,144 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:52:05,164 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2024-11-13 13:52:05,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable51 [2024-11-13 13:52:05,349 INFO L396 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:52:05,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:52:05,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1801016817, now seen corresponding path program 1 times [2024-11-13 13:52:05,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:52:05,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225390464] [2024-11-13 13:52:05,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:52:05,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:52:05,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:52:05,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1262767840] [2024-11-13 13:52:05,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:52:05,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:52:05,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:52:05,378 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:52:05,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-13 13:52:05,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:05,445 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 13:52:05,446 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:52:05,626 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 13:52:05,626 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:52:05,812 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 13:52:05,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:52:05,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225390464] [2024-11-13 13:52:05,813 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:52:05,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1262767840] [2024-11-13 13:52:05,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1262767840] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:52:05,813 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:52:05,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-13 13:52:05,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739128530] [2024-11-13 13:52:05,813 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 13:52:05,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 13:52:05,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:52:05,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 13:52:05,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:52:05,816 INFO L87 Difference]: Start difference. First operand 2619 states and 3853 transitions. Second operand has 12 states, 11 states have (on average 10.090909090909092) internal successors, (111), 12 states have internal predecessors, (111), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-13 13:52:08,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:52:08,945 INFO L93 Difference]: Finished difference Result 3886 states and 5629 transitions. [2024-11-13 13:52:08,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-13 13:52:08,946 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 10.090909090909092) internal successors, (111), 12 states have internal predecessors, (111), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 78 [2024-11-13 13:52:08,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:52:08,950 INFO L225 Difference]: With dead ends: 3886 [2024-11-13 13:52:08,950 INFO L226 Difference]: Without dead ends: 3883 [2024-11-13 13:52:08,952 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 334 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=364, Invalid=1042, Unknown=0, NotChecked=0, Total=1406 [2024-11-13 13:52:08,952 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 1236 mSDsluCounter, 1093 mSDsCounter, 0 mSdLazyCounter, 1209 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1239 SdHoareTripleChecker+Valid, 1264 SdHoareTripleChecker+Invalid, 1289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 1209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:52:08,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1239 Valid, 1264 Invalid, 1289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 1209 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-13 13:52:08,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3883 states. [2024-11-13 13:52:09,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3883 to 2766. [2024-11-13 13:52:09,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2766 states, 2536 states have (on average 1.4751577287066246) internal successors, (3741), 2588 states have internal predecessors, (3741), 169 states have call successors, (169), 8 states have call predecessors, (169), 8 states have return successors, (169), 169 states have call predecessors, (169), 169 states have call successors, (169) [2024-11-13 13:52:09,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2766 states to 2766 states and 4079 transitions. [2024-11-13 13:52:09,184 INFO L78 Accepts]: Start accepts. Automaton has 2766 states and 4079 transitions. Word has length 78 [2024-11-13 13:52:09,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:52:09,185 INFO L471 AbstractCegarLoop]: Abstraction has 2766 states and 4079 transitions. [2024-11-13 13:52:09,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 10.090909090909092) internal successors, (111), 12 states have internal predecessors, (111), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-13 13:52:09,185 INFO L276 IsEmpty]: Start isEmpty. Operand 2766 states and 4079 transitions. [2024-11-13 13:52:09,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-13 13:52:09,186 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:52:09,186 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:52:09,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2024-11-13 13:52:09,386 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52 [2024-11-13 13:52:09,387 INFO L396 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:52:09,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:52:09,388 INFO L85 PathProgramCache]: Analyzing trace with hash -3053398, now seen corresponding path program 1 times [2024-11-13 13:52:09,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:52:09,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100819882] [2024-11-13 13:52:09,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:52:09,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:52:09,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:52:09,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1877828180] [2024-11-13 13:52:09,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:52:09,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:52:09,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:52:09,405 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:52:09,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-13 13:52:09,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:09,470 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 13:52:09,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:52:09,652 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 13:52:09,652 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:52:10,412 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 13:52:10,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:52:10,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100819882] [2024-11-13 13:52:10,412 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:52:10,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1877828180] [2024-11-13 13:52:10,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1877828180] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:52:10,412 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:52:10,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-13 13:52:10,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758103285] [2024-11-13 13:52:10,412 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 13:52:10,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 13:52:10,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:52:10,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 13:52:10,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:52:10,413 INFO L87 Difference]: Start difference. First operand 2766 states and 4079 transitions. Second operand has 12 states, 11 states have (on average 10.272727272727273) internal successors, (113), 12 states have internal predecessors, (113), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-13 13:52:12,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:52:12,901 INFO L93 Difference]: Finished difference Result 4614 states and 6659 transitions. [2024-11-13 13:52:12,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-13 13:52:12,901 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 10.272727272727273) internal successors, (113), 12 states have internal predecessors, (113), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 79 [2024-11-13 13:52:12,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:52:12,909 INFO L225 Difference]: With dead ends: 4614 [2024-11-13 13:52:12,909 INFO L226 Difference]: Without dead ends: 4611 [2024-11-13 13:52:12,911 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 908 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=728, Invalid=2242, Unknown=0, NotChecked=0, Total=2970 [2024-11-13 13:52:12,912 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 2732 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 643 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2732 SdHoareTripleChecker+Valid, 762 SdHoareTripleChecker+Invalid, 826 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 643 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:52:12,912 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2732 Valid, 762 Invalid, 826 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 643 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-13 13:52:12,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4611 states. [2024-11-13 13:52:13,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4611 to 2946. [2024-11-13 13:52:13,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2946 states, 2695 states have (on average 1.4667903525046382) internal successors, (3953), 2747 states have internal predecessors, (3953), 190 states have call successors, (190), 8 states have call predecessors, (190), 8 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-13 13:52:13,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2946 states to 2946 states and 4333 transitions. [2024-11-13 13:52:13,199 INFO L78 Accepts]: Start accepts. Automaton has 2946 states and 4333 transitions. Word has length 79 [2024-11-13 13:52:13,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:52:13,199 INFO L471 AbstractCegarLoop]: Abstraction has 2946 states and 4333 transitions. [2024-11-13 13:52:13,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 10.272727272727273) internal successors, (113), 12 states have internal predecessors, (113), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-11-13 13:52:13,200 INFO L276 IsEmpty]: Start isEmpty. Operand 2946 states and 4333 transitions. [2024-11-13 13:52:13,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-13 13:52:13,200 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:52:13,201 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:52:13,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2024-11-13 13:52:13,401 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2024-11-13 13:52:13,402 INFO L396 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:52:13,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:52:13,402 INFO L85 PathProgramCache]: Analyzing trace with hash -667360449, now seen corresponding path program 1 times [2024-11-13 13:52:13,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:52:13,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541799134] [2024-11-13 13:52:13,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:52:13,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:52:13,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:52:13,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1027411824] [2024-11-13 13:52:13,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:52:13,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:52:13,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:52:13,422 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:52:13,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-11-13 13:52:13,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:13,487 INFO L255 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 13:52:13,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:52:13,779 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 13:52:13,779 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:52:13,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:52:13,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541799134] [2024-11-13 13:52:13,779 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:52:13,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027411824] [2024-11-13 13:52:13,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027411824] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:52:13,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:52:13,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 13:52:13,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498632837] [2024-11-13 13:52:13,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:52:13,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:52:13,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:52:13,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:52:13,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:52:13,781 INFO L87 Difference]: Start difference. First operand 2946 states and 4333 transitions. Second operand has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:52:14,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:52:14,446 INFO L93 Difference]: Finished difference Result 2983 states and 4348 transitions. [2024-11-13 13:52:14,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 13:52:14,447 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 83 [2024-11-13 13:52:14,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:52:14,451 INFO L225 Difference]: With dead ends: 2983 [2024-11-13 13:52:14,452 INFO L226 Difference]: Without dead ends: 2980 [2024-11-13 13:52:14,452 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:52:14,453 INFO L432 NwaCegarLoop]: 163 mSDtfsCounter, 120 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:52:14,453 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 403 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:52:14,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2980 states. [2024-11-13 13:52:14,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2980 to 2946. [2024-11-13 13:52:14,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2946 states, 2695 states have (on average 1.4619666048237476) internal successors, (3940), 2747 states have internal predecessors, (3940), 190 states have call successors, (190), 8 states have call predecessors, (190), 8 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-13 13:52:14,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2946 states to 2946 states and 4320 transitions. [2024-11-13 13:52:14,753 INFO L78 Accepts]: Start accepts. Automaton has 2946 states and 4320 transitions. Word has length 83 [2024-11-13 13:52:14,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:52:14,754 INFO L471 AbstractCegarLoop]: Abstraction has 2946 states and 4320 transitions. [2024-11-13 13:52:14,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.8) internal successors, (59), 6 states have internal predecessors, (59), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:52:14,754 INFO L276 IsEmpty]: Start isEmpty. Operand 2946 states and 4320 transitions. [2024-11-13 13:52:14,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-13 13:52:14,754 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:52:14,754 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:52:14,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2024-11-13 13:52:14,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:52:14,955 INFO L396 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:52:14,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:52:14,955 INFO L85 PathProgramCache]: Analyzing trace with hash 786662729, now seen corresponding path program 1 times [2024-11-13 13:52:14,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:52:14,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053561538] [2024-11-13 13:52:14,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:52:14,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:52:14,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:52:14,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [636557306] [2024-11-13 13:52:14,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:52:14,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:52:14,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:52:14,975 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:52:14,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-11-13 13:52:15,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:15,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 13:52:15,044 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:52:15,352 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 13:52:15,353 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:52:16,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:52:16,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053561538] [2024-11-13 13:52:16,012 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:52:16,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636557306] [2024-11-13 13:52:16,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [636557306] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:52:16,012 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:52:16,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-13 13:52:16,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182770531] [2024-11-13 13:52:16,012 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 13:52:16,012 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:52:16,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:52:16,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:52:16,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:52:16,013 INFO L87 Difference]: Start difference. First operand 2946 states and 4320 transitions. Second operand has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:52:16,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:52:16,642 INFO L93 Difference]: Finished difference Result 3070 states and 4445 transitions. [2024-11-13 13:52:16,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:52:16,643 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 84 [2024-11-13 13:52:16,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:52:16,647 INFO L225 Difference]: With dead ends: 3070 [2024-11-13 13:52:16,647 INFO L226 Difference]: Without dead ends: 3069 [2024-11-13 13:52:16,648 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:52:16,649 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 225 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 173 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 173 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:52:16,649 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 471 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 173 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:52:16,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3069 states. [2024-11-13 13:52:16,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3069 to 2953. [2024-11-13 13:52:16,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2953 states, 2702 states have (on average 1.4607698001480385) internal successors, (3947), 2754 states have internal predecessors, (3947), 190 states have call successors, (190), 8 states have call predecessors, (190), 8 states have return successors, (190), 190 states have call predecessors, (190), 190 states have call successors, (190) [2024-11-13 13:52:16,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2953 states to 2953 states and 4327 transitions. [2024-11-13 13:52:16,880 INFO L78 Accepts]: Start accepts. Automaton has 2953 states and 4327 transitions. Word has length 84 [2024-11-13 13:52:16,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:52:16,880 INFO L471 AbstractCegarLoop]: Abstraction has 2953 states and 4327 transitions. [2024-11-13 13:52:16,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.0) internal successors, (60), 6 states have internal predecessors, (60), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:52:16,880 INFO L276 IsEmpty]: Start isEmpty. Operand 2953 states and 4327 transitions. [2024-11-13 13:52:16,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-13 13:52:16,880 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:52:16,881 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:52:16,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2024-11-13 13:52:17,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:52:17,081 INFO L396 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:52:17,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:52:17,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1815681860, now seen corresponding path program 1 times [2024-11-13 13:52:17,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:52:17,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500062971] [2024-11-13 13:52:17,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:52:17,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:52:17,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:17,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:52:17,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:17,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:52:17,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:17,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 13:52:17,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:17,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-13 13:52:17,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:17,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 13:52:17,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:17,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-13 13:52:17,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:17,192 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 13:52:17,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:52:17,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [500062971] [2024-11-13 13:52:17,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [500062971] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:52:17,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1432137559] [2024-11-13 13:52:17,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:52:17,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:52:17,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:52:17,195 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:52:17,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-11-13 13:52:17,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:17,260 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 13:52:17,262 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:52:17,377 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 13:52:17,377 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:52:17,560 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 13:52:17,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1432137559] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:52:17,560 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:52:17,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-13 13:52:17,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12182972] [2024-11-13 13:52:17,560 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:52:17,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 13:52:17,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:52:17,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 13:52:17,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:52:17,561 INFO L87 Difference]: Start difference. First operand 2953 states and 4327 transitions. Second operand has 12 states, 11 states have (on average 10.454545454545455) internal successors, (115), 12 states have internal predecessors, (115), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-13 13:52:20,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:52:20,973 INFO L93 Difference]: Finished difference Result 4115 states and 5913 transitions. [2024-11-13 13:52:20,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-13 13:52:20,973 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 10.454545454545455) internal successors, (115), 12 states have internal predecessors, (115), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 85 [2024-11-13 13:52:20,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:52:20,978 INFO L225 Difference]: With dead ends: 4115 [2024-11-13 13:52:20,978 INFO L226 Difference]: Without dead ends: 4113 [2024-11-13 13:52:20,979 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=370, Invalid=1112, Unknown=0, NotChecked=0, Total=1482 [2024-11-13 13:52:20,980 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 1033 mSDsluCounter, 1087 mSDsCounter, 0 mSdLazyCounter, 1219 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1037 SdHoareTripleChecker+Valid, 1264 SdHoareTripleChecker+Invalid, 1291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 1219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-13 13:52:20,980 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1037 Valid, 1264 Invalid, 1291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 1219 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-13 13:52:20,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4113 states. [2024-11-13 13:52:21,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4113 to 2964. [2024-11-13 13:52:21,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2964 states, 2708 states have (on average 1.4449778434268834) internal successors, (3913), 2759 states have internal predecessors, (3913), 196 states have call successors, (196), 8 states have call predecessors, (196), 8 states have return successors, (196), 196 states have call predecessors, (196), 196 states have call successors, (196) [2024-11-13 13:52:21,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2964 states to 2964 states and 4305 transitions. [2024-11-13 13:52:21,223 INFO L78 Accepts]: Start accepts. Automaton has 2964 states and 4305 transitions. Word has length 85 [2024-11-13 13:52:21,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:52:21,223 INFO L471 AbstractCegarLoop]: Abstraction has 2964 states and 4305 transitions. [2024-11-13 13:52:21,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 10.454545454545455) internal successors, (115), 12 states have internal predecessors, (115), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-13 13:52:21,224 INFO L276 IsEmpty]: Start isEmpty. Operand 2964 states and 4305 transitions. [2024-11-13 13:52:21,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-13 13:52:21,224 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:52:21,224 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:52:21,239 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2024-11-13 13:52:21,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2024-11-13 13:52:21,425 INFO L396 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:52:21,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:52:21,425 INFO L85 PathProgramCache]: Analyzing trace with hash 451562940, now seen corresponding path program 1 times [2024-11-13 13:52:21,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:52:21,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889586412] [2024-11-13 13:52:21,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:52:21,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:52:21,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:21,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:52:21,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:21,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:52:21,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:21,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 13:52:21,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:21,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-13 13:52:21,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:21,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 13:52:21,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:21,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-13 13:52:21,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:21,534 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 13:52:21,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:52:21,535 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889586412] [2024-11-13 13:52:21,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889586412] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:52:21,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:52:21,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 13:52:21,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674840468] [2024-11-13 13:52:21,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:52:21,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:52:21,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:52:21,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:52:21,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:52:21,537 INFO L87 Difference]: Start difference. First operand 2964 states and 4305 transitions. Second operand has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:52:22,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:52:22,765 INFO L93 Difference]: Finished difference Result 3685 states and 5317 transitions. [2024-11-13 13:52:22,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 13:52:22,765 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 86 [2024-11-13 13:52:22,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:52:22,770 INFO L225 Difference]: With dead ends: 3685 [2024-11-13 13:52:22,770 INFO L226 Difference]: Without dead ends: 3683 [2024-11-13 13:52:22,771 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2024-11-13 13:52:22,771 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 480 mSDsluCounter, 416 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 558 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:52:22,772 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 558 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 13:52:22,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3683 states. [2024-11-13 13:52:23,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3683 to 3575. [2024-11-13 13:52:23,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3575 states, 3273 states have (on average 1.4534066605560647) internal successors, (4757), 3324 states have internal predecessors, (4757), 242 states have call successors, (242), 8 states have call predecessors, (242), 8 states have return successors, (242), 242 states have call predecessors, (242), 242 states have call successors, (242) [2024-11-13 13:52:23,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3575 states to 3575 states and 5241 transitions. [2024-11-13 13:52:23,049 INFO L78 Accepts]: Start accepts. Automaton has 3575 states and 5241 transitions. Word has length 86 [2024-11-13 13:52:23,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:52:23,049 INFO L471 AbstractCegarLoop]: Abstraction has 3575 states and 5241 transitions. [2024-11-13 13:52:23,049 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:52:23,049 INFO L276 IsEmpty]: Start isEmpty. Operand 3575 states and 5241 transitions. [2024-11-13 13:52:23,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-13 13:52:23,050 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:52:23,050 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:52:23,050 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2024-11-13 13:52:23,050 INFO L396 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:52:23,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:52:23,050 INFO L85 PathProgramCache]: Analyzing trace with hash 68643915, now seen corresponding path program 1 times [2024-11-13 13:52:23,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:52:23,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52516065] [2024-11-13 13:52:23,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:52:23,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:52:23,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:52:23,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [868727634] [2024-11-13 13:52:23,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:52:23,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:52:23,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:52:23,067 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:52:23,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-11-13 13:52:23,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:23,138 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 13:52:23,140 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:52:23,565 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 13:52:23,565 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:52:23,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:52:23,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52516065] [2024-11-13 13:52:23,565 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:52:23,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [868727634] [2024-11-13 13:52:23,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [868727634] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:52:23,565 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:52:23,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-13 13:52:23,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748151515] [2024-11-13 13:52:23,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:52:23,566 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:52:23,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:52:23,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:52:23,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:52:23,566 INFO L87 Difference]: Start difference. First operand 3575 states and 5241 transitions. Second operand has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:52:24,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:52:24,322 INFO L93 Difference]: Finished difference Result 3608 states and 5254 transitions. [2024-11-13 13:52:24,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 13:52:24,323 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 86 [2024-11-13 13:52:24,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:52:24,327 INFO L225 Difference]: With dead ends: 3608 [2024-11-13 13:52:24,327 INFO L226 Difference]: Without dead ends: 3607 [2024-11-13 13:52:24,327 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:52:24,328 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 85 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 556 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:52:24,328 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 556 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:52:24,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3607 states. [2024-11-13 13:52:24,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3607 to 3575. [2024-11-13 13:52:24,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3575 states, 3273 states have (on average 1.4521845401772076) internal successors, (4753), 3324 states have internal predecessors, (4753), 242 states have call successors, (242), 8 states have call predecessors, (242), 8 states have return successors, (242), 242 states have call predecessors, (242), 242 states have call successors, (242) [2024-11-13 13:52:24,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3575 states to 3575 states and 5237 transitions. [2024-11-13 13:52:24,592 INFO L78 Accepts]: Start accepts. Automaton has 3575 states and 5237 transitions. Word has length 86 [2024-11-13 13:52:24,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:52:24,593 INFO L471 AbstractCegarLoop]: Abstraction has 3575 states and 5237 transitions. [2024-11-13 13:52:24,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:52:24,593 INFO L276 IsEmpty]: Start isEmpty. Operand 3575 states and 5237 transitions. [2024-11-13 13:52:24,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-13 13:52:24,593 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:52:24,594 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:52:24,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2024-11-13 13:52:24,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2024-11-13 13:52:24,794 INFO L396 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:52:24,794 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:52:24,794 INFO L85 PathProgramCache]: Analyzing trace with hash 674105033, now seen corresponding path program 1 times [2024-11-13 13:52:24,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:52:24,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633910903] [2024-11-13 13:52:24,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:52:24,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:52:24,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:24,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:52:24,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:24,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:52:24,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:24,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 13:52:24,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:24,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-13 13:52:24,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:24,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 13:52:24,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:24,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-13 13:52:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:24,917 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 13:52:24,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:52:24,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633910903] [2024-11-13 13:52:24,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633910903] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:52:24,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1481826759] [2024-11-13 13:52:24,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:52:24,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:52:24,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:52:24,920 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:52:24,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2024-11-13 13:52:24,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:24,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 13:52:24,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:52:25,174 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 13:52:25,174 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:52:25,437 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 13:52:25,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1481826759] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:52:25,437 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:52:25,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7, 7] total 15 [2024-11-13 13:52:25,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813993851] [2024-11-13 13:52:25,438 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:52:25,438 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-13 13:52:25,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:52:25,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-13 13:52:25,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2024-11-13 13:52:25,440 INFO L87 Difference]: Start difference. First operand 3575 states and 5237 transitions. Second operand has 16 states, 15 states have (on average 10.866666666666667) internal successors, (163), 16 states have internal predecessors, (163), 6 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2024-11-13 13:52:29,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:52:29,073 INFO L93 Difference]: Finished difference Result 6445 states and 9499 transitions. [2024-11-13 13:52:29,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-11-13 13:52:29,074 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 10.866666666666667) internal successors, (163), 16 states have internal predecessors, (163), 6 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) Word has length 89 [2024-11-13 13:52:29,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:52:29,085 INFO L225 Difference]: With dead ends: 6445 [2024-11-13 13:52:29,085 INFO L226 Difference]: Without dead ends: 6442 [2024-11-13 13:52:29,088 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3000 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1864, Invalid=6326, Unknown=0, NotChecked=0, Total=8190 [2024-11-13 13:52:29,088 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 2530 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 819 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2530 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 979 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 819 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:52:29,088 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2530 Valid, 563 Invalid, 979 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 819 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-13 13:52:29,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6442 states. [2024-11-13 13:52:29,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6442 to 4281. [2024-11-13 13:52:29,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4281 states, 3930 states have (on average 1.4465648854961832) internal successors, (5685), 3981 states have internal predecessors, (5685), 291 states have call successors, (291), 8 states have call predecessors, (291), 8 states have return successors, (291), 291 states have call predecessors, (291), 291 states have call successors, (291) [2024-11-13 13:52:29,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4281 states to 4281 states and 6267 transitions. [2024-11-13 13:52:29,707 INFO L78 Accepts]: Start accepts. Automaton has 4281 states and 6267 transitions. Word has length 89 [2024-11-13 13:52:29,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:52:29,708 INFO L471 AbstractCegarLoop]: Abstraction has 4281 states and 6267 transitions. [2024-11-13 13:52:29,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 10.866666666666667) internal successors, (163), 16 states have internal predecessors, (163), 6 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 6 states have call predecessors, (18), 6 states have call successors, (18) [2024-11-13 13:52:29,708 INFO L276 IsEmpty]: Start isEmpty. Operand 4281 states and 6267 transitions. [2024-11-13 13:52:29,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-13 13:52:29,709 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:52:29,709 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:52:29,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Ended with exit code 0 [2024-11-13 13:52:29,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59,45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:52:29,909 INFO L396 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:52:29,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:52:29,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1480552859, now seen corresponding path program 1 times [2024-11-13 13:52:29,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:52:29,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191358068] [2024-11-13 13:52:29,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:52:29,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:52:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:30,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:52:30,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:30,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:52:30,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:30,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 13:52:30,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:30,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-13 13:52:30,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:30,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 13:52:30,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:30,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:52:30,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:30,116 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 13:52:30,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:52:30,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191358068] [2024-11-13 13:52:30,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191358068] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:52:30,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1081386450] [2024-11-13 13:52:30,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:52:30,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:52:30,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:52:30,119 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:52:30,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2024-11-13 13:52:30,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:30,188 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 13:52:30,190 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:52:30,351 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 13:52:30,351 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:52:30,673 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 13:52:30,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1081386450] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:52:30,673 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:52:30,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 12] total 22 [2024-11-13 13:52:30,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063874595] [2024-11-13 13:52:30,674 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:52:30,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-13 13:52:30,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:52:30,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-13 13:52:30,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=363, Unknown=0, NotChecked=0, Total=462 [2024-11-13 13:52:30,675 INFO L87 Difference]: Start difference. First operand 4281 states and 6267 transitions. Second operand has 22 states, 22 states have (on average 6.2272727272727275) internal successors, (137), 22 states have internal predecessors, (137), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-13 13:52:31,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:52:31,484 INFO L93 Difference]: Finished difference Result 7748 states and 11434 transitions. [2024-11-13 13:52:31,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-13 13:52:31,484 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 6.2272727272727275) internal successors, (137), 22 states have internal predecessors, (137), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 95 [2024-11-13 13:52:31,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:52:31,489 INFO L225 Difference]: With dead ends: 7748 [2024-11-13 13:52:31,489 INFO L226 Difference]: Without dead ends: 4410 [2024-11-13 13:52:31,491 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 319 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=356, Invalid=1366, Unknown=0, NotChecked=0, Total=1722 [2024-11-13 13:52:31,492 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 163 mSDsluCounter, 1546 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 1679 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:52:31,492 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 1679 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 267 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:52:31,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4410 states. [2024-11-13 13:52:31,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4410 to 4350. [2024-11-13 13:52:31,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4350 states, 3994 states have (on average 1.444917376064096) internal successors, (5771), 4045 states have internal predecessors, (5771), 295 states have call successors, (295), 9 states have call predecessors, (295), 9 states have return successors, (295), 295 states have call predecessors, (295), 295 states have call successors, (295) [2024-11-13 13:52:31,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4350 states to 4350 states and 6361 transitions. [2024-11-13 13:52:31,976 INFO L78 Accepts]: Start accepts. Automaton has 4350 states and 6361 transitions. Word has length 95 [2024-11-13 13:52:31,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:52:31,977 INFO L471 AbstractCegarLoop]: Abstraction has 4350 states and 6361 transitions. [2024-11-13 13:52:31,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 6.2272727272727275) internal successors, (137), 22 states have internal predecessors, (137), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-13 13:52:31,977 INFO L276 IsEmpty]: Start isEmpty. Operand 4350 states and 6361 transitions. [2024-11-13 13:52:31,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-13 13:52:31,978 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:52:31,978 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:52:31,998 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Ended with exit code 0 [2024-11-13 13:52:32,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable60 [2024-11-13 13:52:32,178 INFO L396 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:52:32,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:52:32,178 INFO L85 PathProgramCache]: Analyzing trace with hash -486672460, now seen corresponding path program 1 times [2024-11-13 13:52:32,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:52:32,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264492408] [2024-11-13 13:52:32,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:52:32,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:52:32,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:52:32,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1056659411] [2024-11-13 13:52:32,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:52:32,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:52:32,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:52:32,193 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:52:32,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2024-11-13 13:52:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:32,262 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 13:52:32,267 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:52:32,418 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-13 13:52:32,418 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:52:32,616 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-13 13:52:32,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:52:32,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264492408] [2024-11-13 13:52:32,616 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:52:32,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1056659411] [2024-11-13 13:52:32,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1056659411] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:52:32,616 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:52:32,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2024-11-13 13:52:32,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261871051] [2024-11-13 13:52:32,616 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 13:52:32,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:52:32,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:52:32,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:52:32,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:52:32,617 INFO L87 Difference]: Start difference. First operand 4350 states and 6361 transitions. Second operand has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:52:33,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:52:33,685 INFO L93 Difference]: Finished difference Result 4424 states and 6397 transitions. [2024-11-13 13:52:33,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 13:52:33,685 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 96 [2024-11-13 13:52:33,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:52:33,693 INFO L225 Difference]: With dead ends: 4424 [2024-11-13 13:52:33,694 INFO L226 Difference]: Without dead ends: 4423 [2024-11-13 13:52:33,695 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 185 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:52:33,696 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 334 mSDsluCounter, 371 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 13:52:33,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 578 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 13:52:33,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4423 states. [2024-11-13 13:52:34,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4423 to 4351. [2024-11-13 13:52:34,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4351 states, 3995 states have (on average 1.4448060075093867) internal successors, (5772), 4046 states have internal predecessors, (5772), 295 states have call successors, (295), 9 states have call predecessors, (295), 9 states have return successors, (295), 295 states have call predecessors, (295), 295 states have call successors, (295) [2024-11-13 13:52:34,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4351 states to 4351 states and 6362 transitions. [2024-11-13 13:52:34,168 INFO L78 Accepts]: Start accepts. Automaton has 4351 states and 6362 transitions. Word has length 96 [2024-11-13 13:52:34,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:52:34,169 INFO L471 AbstractCegarLoop]: Abstraction has 4351 states and 6362 transitions. [2024-11-13 13:52:34,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.0) internal successors, (70), 6 states have internal predecessors, (70), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:52:34,169 INFO L276 IsEmpty]: Start isEmpty. Operand 4351 states and 6362 transitions. [2024-11-13 13:52:34,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-13 13:52:34,170 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:52:34,170 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:52:34,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Forceful destruction successful, exit code 0 [2024-11-13 13:52:34,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable61 [2024-11-13 13:52:34,371 INFO L396 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:52:34,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:52:34,371 INFO L85 PathProgramCache]: Analyzing trace with hash 2093023111, now seen corresponding path program 1 times [2024-11-13 13:52:34,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:52:34,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620834939] [2024-11-13 13:52:34,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:52:34,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:52:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:52:34,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1723938938] [2024-11-13 13:52:34,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:52:34,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:52:34,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:52:34,388 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:52:34,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2024-11-13 13:52:34,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:52:34,465 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 13:52:34,468 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:52:35,047 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 13:52:35,047 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:53:06,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:53:06,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620834939] [2024-11-13 13:53:06,042 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:53:06,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1723938938] [2024-11-13 13:53:06,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1723938938] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:53:06,043 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:53:06,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-13 13:53:06,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897849912] [2024-11-13 13:53:06,043 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 13:53:06,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:53:06,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:53:06,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:53:06,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=135, Unknown=7, NotChecked=0, Total=182 [2024-11-13 13:53:06,044 INFO L87 Difference]: Start difference. First operand 4351 states and 6362 transitions. Second operand has 9 states, 8 states have (on average 9.125) internal successors, (73), 9 states have internal predecessors, (73), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:53:07,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:53:07,475 INFO L93 Difference]: Finished difference Result 5124 states and 7379 transitions. [2024-11-13 13:53:07,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 13:53:07,475 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.125) internal successors, (73), 9 states have internal predecessors, (73), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 97 [2024-11-13 13:53:07,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:53:07,481 INFO L225 Difference]: With dead ends: 5124 [2024-11-13 13:53:07,481 INFO L226 Difference]: Without dead ends: 5123 [2024-11-13 13:53:07,482 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 29.6s TimeCoverageRelationStatistics Valid=72, Invalid=227, Unknown=7, NotChecked=0, Total=306 [2024-11-13 13:53:07,482 INFO L432 NwaCegarLoop]: 253 mSDtfsCounter, 392 mSDsluCounter, 1102 mSDsCounter, 0 mSdLazyCounter, 682 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 400 SdHoareTripleChecker+Valid, 1355 SdHoareTripleChecker+Invalid, 703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 682 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:53:07,483 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [400 Valid, 1355 Invalid, 703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 682 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-13 13:53:07,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5123 states. [2024-11-13 13:53:07,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5123 to 4624. [2024-11-13 13:53:08,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4624 states, 4246 states have (on average 1.4368817710786623) internal successors, (6101), 4297 states have internal predecessors, (6101), 317 states have call successors, (317), 9 states have call predecessors, (317), 9 states have return successors, (317), 317 states have call predecessors, (317), 317 states have call successors, (317) [2024-11-13 13:53:08,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4624 states to 4624 states and 6735 transitions. [2024-11-13 13:53:08,008 INFO L78 Accepts]: Start accepts. Automaton has 4624 states and 6735 transitions. Word has length 97 [2024-11-13 13:53:08,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:53:08,008 INFO L471 AbstractCegarLoop]: Abstraction has 4624 states and 6735 transitions. [2024-11-13 13:53:08,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.125) internal successors, (73), 9 states have internal predecessors, (73), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:53:08,009 INFO L276 IsEmpty]: Start isEmpty. Operand 4624 states and 6735 transitions. [2024-11-13 13:53:08,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-13 13:53:08,009 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:53:08,010 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:53:08,029 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Ended with exit code 0 [2024-11-13 13:53:08,213 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable62 [2024-11-13 13:53:08,214 INFO L396 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:53:08,214 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:53:08,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1863977269, now seen corresponding path program 1 times [2024-11-13 13:53:08,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:53:08,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [776858493] [2024-11-13 13:53:08,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:53:08,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:53:08,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:53:08,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [37034793] [2024-11-13 13:53:08,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:53:08,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:53:08,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:53:08,234 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:53:08,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2024-11-13 13:53:08,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:53:08,308 INFO L255 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-13 13:53:08,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:53:08,923 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-13 13:53:08,923 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:53:09,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:53:09,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [776858493] [2024-11-13 13:53:09,101 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:53:09,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [37034793] [2024-11-13 13:53:09,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [37034793] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:53:09,102 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:53:09,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-13 13:53:09,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267444410] [2024-11-13 13:53:09,102 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 13:53:09,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 13:53:09,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:53:09,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 13:53:09,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2024-11-13 13:53:09,103 INFO L87 Difference]: Start difference. First operand 4624 states and 6735 transitions. Second operand has 13 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-13 13:53:11,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:53:11,050 INFO L93 Difference]: Finished difference Result 5125 states and 7426 transitions. [2024-11-13 13:53:11,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 13:53:11,051 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) Word has length 98 [2024-11-13 13:53:11,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:53:11,057 INFO L225 Difference]: With dead ends: 5125 [2024-11-13 13:53:11,057 INFO L226 Difference]: Without dead ends: 5122 [2024-11-13 13:53:11,058 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=144, Invalid=558, Unknown=0, NotChecked=0, Total=702 [2024-11-13 13:53:11,058 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 730 mSDsluCounter, 1130 mSDsCounter, 0 mSdLazyCounter, 1460 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 734 SdHoareTripleChecker+Valid, 1302 SdHoareTripleChecker+Invalid, 1520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 1460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:53:11,059 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [734 Valid, 1302 Invalid, 1520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 1460 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-13 13:53:11,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5122 states. [2024-11-13 13:53:11,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5122 to 4997. [2024-11-13 13:53:11,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4997 states, 4585 states have (on average 1.426608505997819) internal successors, (6541), 4636 states have internal predecessors, (6541), 351 states have call successors, (351), 9 states have call predecessors, (351), 9 states have return successors, (351), 351 states have call predecessors, (351), 351 states have call successors, (351) [2024-11-13 13:53:11,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4997 states to 4997 states and 7243 transitions. [2024-11-13 13:53:11,475 INFO L78 Accepts]: Start accepts. Automaton has 4997 states and 7243 transitions. Word has length 98 [2024-11-13 13:53:11,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:53:11,475 INFO L471 AbstractCegarLoop]: Abstraction has 4997 states and 7243 transitions. [2024-11-13 13:53:11,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.416666666666667) internal successors, (77), 12 states have internal predecessors, (77), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-13 13:53:11,475 INFO L276 IsEmpty]: Start isEmpty. Operand 4997 states and 7243 transitions. [2024-11-13 13:53:11,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-13 13:53:11,476 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:53:11,476 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:53:11,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Ended with exit code 0 [2024-11-13 13:53:11,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,49 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:53:11,677 INFO L396 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:53:11,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:53:11,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1948720651, now seen corresponding path program 1 times [2024-11-13 13:53:11,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:53:11,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385912551] [2024-11-13 13:53:11,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:53:11,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:53:11,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:53:11,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [764836631] [2024-11-13 13:53:11,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:53:11,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:53:11,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:53:11,702 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:53:11,704 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2024-11-13 13:53:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:53:11,782 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-13 13:53:11,784 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:53:12,361 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-13 13:53:12,361 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:53:13,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:53:13,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385912551] [2024-11-13 13:53:13,129 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:53:13,129 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [764836631] [2024-11-13 13:53:13,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [764836631] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:53:13,129 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:53:13,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-13 13:53:13,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187188087] [2024-11-13 13:53:13,130 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 13:53:13,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-13 13:53:13,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:53:13,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-13 13:53:13,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2024-11-13 13:53:13,131 INFO L87 Difference]: Start difference. First operand 4997 states and 7243 transitions. Second operand has 13 states, 12 states have (on average 6.5) internal successors, (78), 12 states have internal predecessors, (78), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-13 13:53:14,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:53:14,686 INFO L93 Difference]: Finished difference Result 5350 states and 7695 transitions. [2024-11-13 13:53:14,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-13 13:53:14,687 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 6.5) internal successors, (78), 12 states have internal predecessors, (78), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) Word has length 99 [2024-11-13 13:53:14,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:53:14,692 INFO L225 Difference]: With dead ends: 5350 [2024-11-13 13:53:14,693 INFO L226 Difference]: Without dead ends: 5349 [2024-11-13 13:53:14,694 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=146, Invalid=504, Unknown=0, NotChecked=0, Total=650 [2024-11-13 13:53:14,694 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 731 mSDsluCounter, 886 mSDsCounter, 0 mSdLazyCounter, 1064 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 735 SdHoareTripleChecker+Valid, 1031 SdHoareTripleChecker+Invalid, 1112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 1064 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:53:14,694 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [735 Valid, 1031 Invalid, 1112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 1064 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 13:53:14,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5349 states. [2024-11-13 13:53:15,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5349 to 5001. [2024-11-13 13:53:15,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5001 states, 4589 states have (on average 1.425800828067117) internal successors, (6543), 4640 states have internal predecessors, (6543), 351 states have call successors, (351), 9 states have call predecessors, (351), 9 states have return successors, (351), 351 states have call predecessors, (351), 351 states have call successors, (351) [2024-11-13 13:53:15,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5001 states to 5001 states and 7245 transitions. [2024-11-13 13:53:15,303 INFO L78 Accepts]: Start accepts. Automaton has 5001 states and 7245 transitions. Word has length 99 [2024-11-13 13:53:15,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:53:15,303 INFO L471 AbstractCegarLoop]: Abstraction has 5001 states and 7245 transitions. [2024-11-13 13:53:15,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 6.5) internal successors, (78), 12 states have internal predecessors, (78), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-13 13:53:15,304 INFO L276 IsEmpty]: Start isEmpty. Operand 5001 states and 7245 transitions. [2024-11-13 13:53:15,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-13 13:53:15,304 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:53:15,305 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:53:15,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Ended with exit code 0 [2024-11-13 13:53:15,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable64 [2024-11-13 13:53:15,505 INFO L396 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:53:15,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:53:15,505 INFO L85 PathProgramCache]: Analyzing trace with hash 280798199, now seen corresponding path program 1 times [2024-11-13 13:53:15,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:53:15,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405311579] [2024-11-13 13:53:15,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:53:15,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:53:15,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:53:15,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:53:15,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:53:15,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:53:15,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:53:15,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 13:53:15,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:53:15,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-13 13:53:15,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:53:15,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 13:53:15,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:53:15,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-13 13:53:15,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:53:15,628 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-13 13:53:15,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:53:15,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405311579] [2024-11-13 13:53:15,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405311579] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:53:15,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1663185685] [2024-11-13 13:53:15,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:53:15,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:53:15,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:53:15,631 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:53:15,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2024-11-13 13:53:15,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:53:15,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 13:53:15,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:53:16,061 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-13 13:53:16,061 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:53:19,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1663185685] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:53:19,942 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:53:19,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-13 13:53:19,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034858341] [2024-11-13 13:53:19,942 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 13:53:19,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:53:19,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:53:19,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:53:19,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=117, Unknown=1, NotChecked=0, Total=156 [2024-11-13 13:53:19,943 INFO L87 Difference]: Start difference. First operand 5001 states and 7245 transitions. Second operand has 10 states, 9 states have (on average 15.11111111111111) internal successors, (136), 10 states have internal predecessors, (136), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 13:53:21,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:53:21,807 INFO L93 Difference]: Finished difference Result 6135 states and 8941 transitions. [2024-11-13 13:53:21,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:53:21,808 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 15.11111111111111) internal successors, (136), 10 states have internal predecessors, (136), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 100 [2024-11-13 13:53:21,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:53:21,821 INFO L225 Difference]: With dead ends: 6135 [2024-11-13 13:53:21,821 INFO L226 Difference]: Without dead ends: 6134 [2024-11-13 13:53:21,822 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=92, Invalid=249, Unknown=1, NotChecked=0, Total=342 [2024-11-13 13:53:21,823 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 312 mSDsluCounter, 934 mSDsCounter, 0 mSdLazyCounter, 423 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 1115 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:53:21,823 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 1115 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 423 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 13:53:21,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6134 states. [2024-11-13 13:53:22,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6134 to 5987. [2024-11-13 13:53:22,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5987 states, 5519 states have (on average 1.4415655009965573) internal successors, (7956), 5570 states have internal predecessors, (7956), 407 states have call successors, (407), 9 states have call predecessors, (407), 9 states have return successors, (407), 407 states have call predecessors, (407), 407 states have call successors, (407) [2024-11-13 13:53:22,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5987 states to 5987 states and 8770 transitions. [2024-11-13 13:53:22,739 INFO L78 Accepts]: Start accepts. Automaton has 5987 states and 8770 transitions. Word has length 100 [2024-11-13 13:53:22,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:53:22,739 INFO L471 AbstractCegarLoop]: Abstraction has 5987 states and 8770 transitions. [2024-11-13 13:53:22,739 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 15.11111111111111) internal successors, (136), 10 states have internal predecessors, (136), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 13:53:22,739 INFO L276 IsEmpty]: Start isEmpty. Operand 5987 states and 8770 transitions. [2024-11-13 13:53:22,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2024-11-13 13:53:22,740 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:53:22,740 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:53:22,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Ended with exit code 0 [2024-11-13 13:53:22,940 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65,51 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:53:22,941 INFO L396 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:53:22,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:53:22,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1083515784, now seen corresponding path program 1 times [2024-11-13 13:53:22,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:53:22,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449810644] [2024-11-13 13:53:22,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:53:22,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:53:22,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:53:22,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [899008467] [2024-11-13 13:53:22,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:53:22,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:53:22,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:53:22,961 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:53:22,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2024-11-13 13:53:23,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:53:23,030 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 13:53:23,032 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:53:23,741 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-13 13:53:23,741 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:53:24,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:53:24,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449810644] [2024-11-13 13:53:24,390 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:53:24,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [899008467] [2024-11-13 13:53:24,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [899008467] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:53:24,390 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:53:24,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-13 13:53:24,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347619651] [2024-11-13 13:53:24,390 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 13:53:24,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 13:53:24,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:53:24,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 13:53:24,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2024-11-13 13:53:24,391 INFO L87 Difference]: Start difference. First operand 5987 states and 8770 transitions. Second operand has 11 states, 10 states have (on average 7.9) internal successors, (79), 10 states have internal predecessors, (79), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-13 13:53:26,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:53:26,429 INFO L93 Difference]: Finished difference Result 6838 states and 9910 transitions. [2024-11-13 13:53:26,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 13:53:26,429 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.9) internal successors, (79), 10 states have internal predecessors, (79), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) Word has length 100 [2024-11-13 13:53:26,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:53:26,438 INFO L225 Difference]: With dead ends: 6838 [2024-11-13 13:53:26,438 INFO L226 Difference]: Without dead ends: 6837 [2024-11-13 13:53:26,440 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2024-11-13 13:53:26,440 INFO L432 NwaCegarLoop]: 172 mSDtfsCounter, 493 mSDsluCounter, 1052 mSDsCounter, 0 mSdLazyCounter, 1286 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 505 SdHoareTripleChecker+Valid, 1224 SdHoareTripleChecker+Invalid, 1311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:53:26,440 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [505 Valid, 1224 Invalid, 1311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1286 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-13 13:53:26,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6837 states. [2024-11-13 13:53:26,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6837 to 5990. [2024-11-13 13:53:26,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5990 states, 5522 states have (on average 1.4413256066642521) internal successors, (7959), 5573 states have internal predecessors, (7959), 407 states have call successors, (407), 9 states have call predecessors, (407), 9 states have return successors, (407), 407 states have call predecessors, (407), 407 states have call successors, (407) [2024-11-13 13:53:26,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5990 states to 5990 states and 8773 transitions. [2024-11-13 13:53:26,997 INFO L78 Accepts]: Start accepts. Automaton has 5990 states and 8773 transitions. Word has length 100 [2024-11-13 13:53:26,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:53:26,997 INFO L471 AbstractCegarLoop]: Abstraction has 5990 states and 8773 transitions. [2024-11-13 13:53:26,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.9) internal successors, (79), 10 states have internal predecessors, (79), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-13 13:53:26,997 INFO L276 IsEmpty]: Start isEmpty. Operand 5990 states and 8773 transitions. [2024-11-13 13:53:26,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-13 13:53:26,998 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:53:26,998 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:53:27,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Forceful destruction successful, exit code 0 [2024-11-13 13:53:27,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2024-11-13 13:53:27,199 INFO L396 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:53:27,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:53:27,199 INFO L85 PathProgramCache]: Analyzing trace with hash 114809741, now seen corresponding path program 1 times [2024-11-13 13:53:27,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:53:27,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135761360] [2024-11-13 13:53:27,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:53:27,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:53:27,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:53:27,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [194051740] [2024-11-13 13:53:27,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:53:27,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:53:27,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:53:27,214 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:53:27,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2024-11-13 13:53:27,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:53:27,287 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 13:53:27,289 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:53:27,737 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 13:53:27,738 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:53:40,224 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 13:53:40,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:53:40,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135761360] [2024-11-13 13:53:40,224 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:53:40,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [194051740] [2024-11-13 13:53:40,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [194051740] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:53:40,224 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:53:40,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2024-11-13 13:53:40,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282813701] [2024-11-13 13:53:40,225 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 13:53:40,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-13 13:53:40,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:53:40,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-13 13:53:40,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=180, Unknown=3, NotChecked=0, Total=240 [2024-11-13 13:53:40,226 INFO L87 Difference]: Start difference. First operand 5990 states and 8773 transitions. Second operand has 16 states, 15 states have (on average 9.733333333333333) internal successors, (146), 16 states have internal predecessors, (146), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 13:53:42,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:53:42,775 INFO L93 Difference]: Finished difference Result 7271 states and 10551 transitions. [2024-11-13 13:53:42,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-13 13:53:42,775 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 9.733333333333333) internal successors, (146), 16 states have internal predecessors, (146), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 101 [2024-11-13 13:53:42,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:53:42,784 INFO L225 Difference]: With dead ends: 7271 [2024-11-13 13:53:42,784 INFO L226 Difference]: Without dead ends: 7267 [2024-11-13 13:53:42,786 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 207 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 12.4s TimeCoverageRelationStatistics Valid=119, Invalid=384, Unknown=3, NotChecked=0, Total=506 [2024-11-13 13:53:42,786 INFO L432 NwaCegarLoop]: 206 mSDtfsCounter, 1278 mSDsluCounter, 1323 mSDsCounter, 0 mSdLazyCounter, 1145 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1294 SdHoareTripleChecker+Valid, 1529 SdHoareTripleChecker+Invalid, 1236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 1145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:53:42,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1294 Valid, 1529 Invalid, 1236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 1145 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-13 13:53:42,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7267 states. [2024-11-13 13:53:43,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7267 to 6254. [2024-11-13 13:53:43,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6254 states, 5760 states have (on average 1.4362847222222221) internal successors, (8273), 5811 states have internal predecessors, (8273), 433 states have call successors, (433), 9 states have call predecessors, (433), 9 states have return successors, (433), 433 states have call predecessors, (433), 433 states have call successors, (433) [2024-11-13 13:53:43,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6254 states to 6254 states and 9139 transitions. [2024-11-13 13:53:43,307 INFO L78 Accepts]: Start accepts. Automaton has 6254 states and 9139 transitions. Word has length 101 [2024-11-13 13:53:43,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:53:43,307 INFO L471 AbstractCegarLoop]: Abstraction has 6254 states and 9139 transitions. [2024-11-13 13:53:43,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 9.733333333333333) internal successors, (146), 16 states have internal predecessors, (146), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 13:53:43,307 INFO L276 IsEmpty]: Start isEmpty. Operand 6254 states and 9139 transitions. [2024-11-13 13:53:43,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-13 13:53:43,308 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:53:43,308 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:53:43,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Forceful destruction successful, exit code 0 [2024-11-13 13:53:43,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable67 [2024-11-13 13:53:43,509 INFO L396 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:53:43,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:53:43,509 INFO L85 PathProgramCache]: Analyzing trace with hash 770749259, now seen corresponding path program 1 times [2024-11-13 13:53:43,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:53:43,509 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029626816] [2024-11-13 13:53:43,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:53:43,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:53:43,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:53:43,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [37755544] [2024-11-13 13:53:43,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:53:43,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:53:43,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:53:43,531 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:53:43,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2024-11-13 13:53:43,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:53:43,604 INFO L255 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 13:53:43,606 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:53:44,259 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 13:53:44,259 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:54:02,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:54:02,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029626816] [2024-11-13 13:54:02,263 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:54:02,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [37755544] [2024-11-13 13:54:02,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [37755544] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:54:02,263 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:54:02,263 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-13 13:54:02,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652537596] [2024-11-13 13:54:02,263 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 13:54:02,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:54:02,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:54:02,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:54:02,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=143, Unknown=3, NotChecked=0, Total=182 [2024-11-13 13:54:02,264 INFO L87 Difference]: Start difference. First operand 6254 states and 9139 transitions. Second operand has 9 states, 8 states have (on average 9.625) internal successors, (77), 9 states have internal predecessors, (77), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:54:04,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:54:04,117 INFO L93 Difference]: Finished difference Result 7216 states and 10430 transitions. [2024-11-13 13:54:04,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 13:54:04,117 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.625) internal successors, (77), 9 states have internal predecessors, (77), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 101 [2024-11-13 13:54:04,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:54:04,125 INFO L225 Difference]: With dead ends: 7216 [2024-11-13 13:54:04,125 INFO L226 Difference]: Without dead ends: 7215 [2024-11-13 13:54:04,127 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 16.8s TimeCoverageRelationStatistics Valid=64, Invalid=239, Unknown=3, NotChecked=0, Total=306 [2024-11-13 13:54:04,128 INFO L432 NwaCegarLoop]: 244 mSDtfsCounter, 423 mSDsluCounter, 924 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 1168 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:54:04,128 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 1168 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 597 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 13:54:04,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7215 states. [2024-11-13 13:54:04,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7215 to 6255. [2024-11-13 13:54:04,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6255 states, 5761 states have (on average 1.4362089914945322) internal successors, (8274), 5812 states have internal predecessors, (8274), 433 states have call successors, (433), 9 states have call predecessors, (433), 9 states have return successors, (433), 433 states have call predecessors, (433), 433 states have call successors, (433) [2024-11-13 13:54:04,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6255 states to 6255 states and 9140 transitions. [2024-11-13 13:54:04,730 INFO L78 Accepts]: Start accepts. Automaton has 6255 states and 9140 transitions. Word has length 101 [2024-11-13 13:54:04,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:54:04,730 INFO L471 AbstractCegarLoop]: Abstraction has 6255 states and 9140 transitions. [2024-11-13 13:54:04,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.625) internal successors, (77), 9 states have internal predecessors, (77), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:54:04,730 INFO L276 IsEmpty]: Start isEmpty. Operand 6255 states and 9140 transitions. [2024-11-13 13:54:04,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-13 13:54:04,731 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:54:04,731 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:54:04,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Forceful destruction successful, exit code 0 [2024-11-13 13:54:04,932 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable68 [2024-11-13 13:54:04,932 INFO L396 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:54:04,933 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:54:04,933 INFO L85 PathProgramCache]: Analyzing trace with hash -735865159, now seen corresponding path program 1 times [2024-11-13 13:54:04,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:54:04,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814640041] [2024-11-13 13:54:04,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:54:04,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:54:04,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:54:04,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1727312394] [2024-11-13 13:54:04,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:54:04,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:54:04,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:54:04,953 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:54:04,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2024-11-13 13:54:05,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:05,023 INFO L255 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 13:54:05,025 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:54:05,169 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-13 13:54:05,169 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:54:05,323 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-13 13:54:05,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:54:05,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814640041] [2024-11-13 13:54:05,323 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:54:05,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1727312394] [2024-11-13 13:54:05,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1727312394] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:54:05,323 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:54:05,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2024-11-13 13:54:05,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1810138332] [2024-11-13 13:54:05,324 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 13:54:05,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:54:05,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:54:05,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:54:05,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:54:05,325 INFO L87 Difference]: Start difference. First operand 6255 states and 9140 transitions. Second operand has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:54:06,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:54:06,610 INFO L93 Difference]: Finished difference Result 7556 states and 11132 transitions. [2024-11-13 13:54:06,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 13:54:06,611 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 102 [2024-11-13 13:54:06,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:54:06,618 INFO L225 Difference]: With dead ends: 7556 [2024-11-13 13:54:06,619 INFO L226 Difference]: Without dead ends: 7554 [2024-11-13 13:54:06,619 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 196 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:54:06,620 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 224 mSDsluCounter, 627 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 865 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 13:54:06,620 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 865 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 13:54:06,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7554 states. [2024-11-13 13:54:07,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7554 to 6243. [2024-11-13 13:54:07,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6243 states, 5749 states have (on average 1.43155331361976) internal successors, (8230), 5800 states have internal predecessors, (8230), 433 states have call successors, (433), 9 states have call predecessors, (433), 9 states have return successors, (433), 433 states have call predecessors, (433), 433 states have call successors, (433) [2024-11-13 13:54:07,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6243 states to 6243 states and 9096 transitions. [2024-11-13 13:54:07,209 INFO L78 Accepts]: Start accepts. Automaton has 6243 states and 9096 transitions. Word has length 102 [2024-11-13 13:54:07,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:54:07,210 INFO L471 AbstractCegarLoop]: Abstraction has 6243 states and 9096 transitions. [2024-11-13 13:54:07,210 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 14.8) internal successors, (74), 6 states have internal predecessors, (74), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:54:07,210 INFO L276 IsEmpty]: Start isEmpty. Operand 6243 states and 9096 transitions. [2024-11-13 13:54:07,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-13 13:54:07,211 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:54:07,211 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:54:07,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Ended with exit code 0 [2024-11-13 13:54:07,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2024-11-13 13:54:07,411 INFO L396 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:54:07,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:54:07,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1357114756, now seen corresponding path program 1 times [2024-11-13 13:54:07,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:54:07,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469204748] [2024-11-13 13:54:07,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:54:07,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:54:07,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:07,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:54:07,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:07,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:54:07,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:07,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 13:54:07,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:07,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-13 13:54:07,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:07,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 13:54:07,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:07,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-13 13:54:07,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:07,702 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 2 proven. 24 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 13:54:07,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:54:07,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469204748] [2024-11-13 13:54:07,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469204748] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:54:07,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1551866369] [2024-11-13 13:54:07,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:54:07,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:54:07,703 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:54:07,705 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:54:07,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Waiting until timeout for monitored process [2024-11-13 13:54:07,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:07,777 INFO L255 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 13:54:07,778 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:54:07,909 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-13 13:54:07,909 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:54:07,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1551866369] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:54:07,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:54:07,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [16] total 19 [2024-11-13 13:54:07,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603270587] [2024-11-13 13:54:07,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:54:07,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:54:07,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:54:07,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:54:07,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2024-11-13 13:54:07,910 INFO L87 Difference]: Start difference. First operand 6243 states and 9096 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:54:08,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:54:08,575 INFO L93 Difference]: Finished difference Result 11747 states and 17276 transitions. [2024-11-13 13:54:08,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:54:08,575 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 102 [2024-11-13 13:54:08,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:54:08,583 INFO L225 Difference]: With dead ends: 11747 [2024-11-13 13:54:08,583 INFO L226 Difference]: Without dead ends: 5961 [2024-11-13 13:54:08,591 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2024-11-13 13:54:08,591 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 23 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:54:08,591 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 389 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:54:08,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5961 states. [2024-11-13 13:54:09,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5961 to 5920. [2024-11-13 13:54:09,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5920 states, 5457 states have (on average 1.440901594282573) internal successors, (7863), 5508 states have internal predecessors, (7863), 403 states have call successors, (403), 8 states have call predecessors, (403), 8 states have return successors, (403), 403 states have call predecessors, (403), 403 states have call successors, (403) [2024-11-13 13:54:09,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5920 states to 5920 states and 8669 transitions. [2024-11-13 13:54:09,242 INFO L78 Accepts]: Start accepts. Automaton has 5920 states and 8669 transitions. Word has length 102 [2024-11-13 13:54:09,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:54:09,242 INFO L471 AbstractCegarLoop]: Abstraction has 5920 states and 8669 transitions. [2024-11-13 13:54:09,242 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:54:09,242 INFO L276 IsEmpty]: Start isEmpty. Operand 5920 states and 8669 transitions. [2024-11-13 13:54:09,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-13 13:54:09,243 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:54:09,243 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:54:09,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Ended with exit code 0 [2024-11-13 13:54:09,443 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,56 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:54:09,443 INFO L396 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:54:09,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:54:09,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1876576550, now seen corresponding path program 1 times [2024-11-13 13:54:09,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:54:09,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243820695] [2024-11-13 13:54:09,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:54:09,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:54:09,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:54:09,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [984010883] [2024-11-13 13:54:09,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:54:09,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:54:09,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:54:09,494 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:54:09,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Waiting until timeout for monitored process [2024-11-13 13:54:09,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:09,566 INFO L255 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 13:54:09,568 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:54:10,454 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 13:54:10,454 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:54:18,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:54:18,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243820695] [2024-11-13 13:54:18,774 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:54:18,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984010883] [2024-11-13 13:54:18,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [984010883] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:54:18,774 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:54:18,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-13 13:54:18,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318650425] [2024-11-13 13:54:18,774 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 13:54:18,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:54:18,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:54:18,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:54:18,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=158, Unknown=2, NotChecked=0, Total=210 [2024-11-13 13:54:18,775 INFO L87 Difference]: Start difference. First operand 5920 states and 8669 transitions. Second operand has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 10 states have internal predecessors, (78), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:54:20,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:54:20,530 INFO L93 Difference]: Finished difference Result 6372 states and 9283 transitions. [2024-11-13 13:54:20,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:54:20,530 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 10 states have internal predecessors, (78), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 102 [2024-11-13 13:54:20,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:54:20,536 INFO L225 Difference]: With dead ends: 6372 [2024-11-13 13:54:20,537 INFO L226 Difference]: Without dead ends: 6370 [2024-11-13 13:54:20,538 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=103, Invalid=275, Unknown=2, NotChecked=0, Total=380 [2024-11-13 13:54:20,538 INFO L432 NwaCegarLoop]: 157 mSDtfsCounter, 400 mSDsluCounter, 533 mSDsCounter, 0 mSdLazyCounter, 676 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 416 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:54:20,538 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [416 Valid, 690 Invalid, 690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 676 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 13:54:20,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6370 states. [2024-11-13 13:54:21,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6370 to 5921. [2024-11-13 13:54:21,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5921 states, 5458 states have (on average 1.4406375961890803) internal successors, (7863), 5509 states have internal predecessors, (7863), 403 states have call successors, (403), 8 states have call predecessors, (403), 8 states have return successors, (403), 403 states have call predecessors, (403), 403 states have call successors, (403) [2024-11-13 13:54:21,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5921 states to 5921 states and 8669 transitions. [2024-11-13 13:54:21,024 INFO L78 Accepts]: Start accepts. Automaton has 5921 states and 8669 transitions. Word has length 102 [2024-11-13 13:54:21,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:54:21,024 INFO L471 AbstractCegarLoop]: Abstraction has 5921 states and 8669 transitions. [2024-11-13 13:54:21,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 10 states have internal predecessors, (78), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:54:21,024 INFO L276 IsEmpty]: Start isEmpty. Operand 5921 states and 8669 transitions. [2024-11-13 13:54:21,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2024-11-13 13:54:21,025 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:54:21,025 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:54:21,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Ended with exit code 0 [2024-11-13 13:54:21,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,57 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:54:21,226 INFO L396 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:54:21,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:54:21,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1955669293, now seen corresponding path program 1 times [2024-11-13 13:54:21,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:54:21,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160057591] [2024-11-13 13:54:21,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:54:21,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:54:21,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:54:21,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [53594650] [2024-11-13 13:54:21,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:54:21,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:54:21,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:54:21,241 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:54:21,243 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Waiting until timeout for monitored process [2024-11-13 13:54:21,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:21,307 INFO L255 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 13:54:21,308 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:54:22,187 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 13:54:22,187 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:54:27,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:54:27,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160057591] [2024-11-13 13:54:27,609 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:54:27,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [53594650] [2024-11-13 13:54:27,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [53594650] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:54:27,609 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:54:27,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-11-13 13:54:27,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124496451] [2024-11-13 13:54:27,610 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 13:54:27,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:54:27,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:54:27,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:54:27,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=159, Unknown=2, NotChecked=0, Total=210 [2024-11-13 13:54:27,611 INFO L87 Difference]: Start difference. First operand 5921 states and 8669 transitions. Second operand has 10 states, 9 states have (on average 8.777777777777779) internal successors, (79), 10 states have internal predecessors, (79), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:54:29,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:54:29,340 INFO L93 Difference]: Finished difference Result 6372 states and 9281 transitions. [2024-11-13 13:54:29,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:54:29,341 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.777777777777779) internal successors, (79), 10 states have internal predecessors, (79), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 103 [2024-11-13 13:54:29,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:54:29,348 INFO L225 Difference]: With dead ends: 6372 [2024-11-13 13:54:29,348 INFO L226 Difference]: Without dead ends: 6370 [2024-11-13 13:54:29,350 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=88, Invalid=252, Unknown=2, NotChecked=0, Total=342 [2024-11-13 13:54:29,350 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 323 mSDsluCounter, 726 mSDsCounter, 0 mSdLazyCounter, 993 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 894 SdHoareTripleChecker+Invalid, 1000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 993 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:54:29,351 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 894 Invalid, 1000 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 993 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 13:54:29,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6370 states. [2024-11-13 13:54:29,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6370 to 5920. [2024-11-13 13:54:29,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5920 states, 5457 states have (on average 1.4405350925416895) internal successors, (7861), 5508 states have internal predecessors, (7861), 403 states have call successors, (403), 8 states have call predecessors, (403), 8 states have return successors, (403), 403 states have call predecessors, (403), 403 states have call successors, (403) [2024-11-13 13:54:29,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5920 states to 5920 states and 8667 transitions. [2024-11-13 13:54:29,931 INFO L78 Accepts]: Start accepts. Automaton has 5920 states and 8667 transitions. Word has length 103 [2024-11-13 13:54:29,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:54:29,931 INFO L471 AbstractCegarLoop]: Abstraction has 5920 states and 8667 transitions. [2024-11-13 13:54:29,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.777777777777779) internal successors, (79), 10 states have internal predecessors, (79), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:54:29,931 INFO L276 IsEmpty]: Start isEmpty. Operand 5920 states and 8667 transitions. [2024-11-13 13:54:29,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-13 13:54:29,932 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:54:29,932 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:54:29,955 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Ended with exit code 0 [2024-11-13 13:54:30,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,58 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:54:30,133 INFO L396 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:54:30,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:54:30,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1503191419, now seen corresponding path program 1 times [2024-11-13 13:54:30,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:54:30,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941648953] [2024-11-13 13:54:30,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:54:30,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:54:30,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:30,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:54:30,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:30,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:54:30,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:30,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 13:54:30,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:30,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-13 13:54:30,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:30,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 13:54:30,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:30,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-13 13:54:30,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:30,348 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-13 13:54:30,348 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:54:30,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941648953] [2024-11-13 13:54:30,348 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941648953] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:54:30,348 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1607928612] [2024-11-13 13:54:30,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:54:30,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:54:30,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:54:30,350 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:54:30,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Waiting until timeout for monitored process [2024-11-13 13:54:30,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:30,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 13:54:30,419 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:54:30,635 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-11-13 13:54:30,635 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:54:33,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1607928612] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:54:33,698 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:54:33,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-13 13:54:33,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476205127] [2024-11-13 13:54:33,698 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 13:54:33,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:54:33,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:54:33,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:54:33,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=117, Unknown=1, NotChecked=0, Total=156 [2024-11-13 13:54:33,699 INFO L87 Difference]: Start difference. First operand 5920 states and 8667 transitions. Second operand has 10 states, 9 states have (on average 16.0) internal successors, (144), 10 states have internal predecessors, (144), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 13:54:35,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:54:35,066 INFO L93 Difference]: Finished difference Result 5977 states and 8684 transitions. [2024-11-13 13:54:35,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 13:54:35,066 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 16.0) internal successors, (144), 10 states have internal predecessors, (144), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 104 [2024-11-13 13:54:35,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:54:35,073 INFO L225 Difference]: With dead ends: 5977 [2024-11-13 13:54:35,073 INFO L226 Difference]: Without dead ends: 5976 [2024-11-13 13:54:35,075 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=45, Invalid=136, Unknown=1, NotChecked=0, Total=182 [2024-11-13 13:54:35,075 INFO L432 NwaCegarLoop]: 223 mSDtfsCounter, 161 mSDsluCounter, 965 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 1188 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 13:54:35,075 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 1188 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 13:54:35,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5976 states. [2024-11-13 13:54:35,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5976 to 5920. [2024-11-13 13:54:35,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5920 states, 5457 states have (on average 1.4376030786146234) internal successors, (7845), 5508 states have internal predecessors, (7845), 403 states have call successors, (403), 8 states have call predecessors, (403), 8 states have return successors, (403), 403 states have call predecessors, (403), 403 states have call successors, (403) [2024-11-13 13:54:35,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5920 states to 5920 states and 8651 transitions. [2024-11-13 13:54:35,599 INFO L78 Accepts]: Start accepts. Automaton has 5920 states and 8651 transitions. Word has length 104 [2024-11-13 13:54:35,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:54:35,599 INFO L471 AbstractCegarLoop]: Abstraction has 5920 states and 8651 transitions. [2024-11-13 13:54:35,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 16.0) internal successors, (144), 10 states have internal predecessors, (144), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 13:54:35,599 INFO L276 IsEmpty]: Start isEmpty. Operand 5920 states and 8651 transitions. [2024-11-13 13:54:35,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-13 13:54:35,600 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:54:35,600 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:54:35,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Forceful destruction successful, exit code 0 [2024-11-13 13:54:35,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73,59 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:54:35,801 INFO L396 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:54:35,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:54:35,801 INFO L85 PathProgramCache]: Analyzing trace with hash 496206140, now seen corresponding path program 1 times [2024-11-13 13:54:35,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:54:35,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688309453] [2024-11-13 13:54:35,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:54:35,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:54:35,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:54:35,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [591769164] [2024-11-13 13:54:35,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:54:35,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:54:35,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:54:35,818 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:54:35,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Waiting until timeout for monitored process [2024-11-13 13:54:35,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:35,890 INFO L255 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 13:54:35,892 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:54:36,866 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 13:54:36,866 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:54:50,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:54:50,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688309453] [2024-11-13 13:54:50,238 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:54:50,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [591769164] [2024-11-13 13:54:50,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [591769164] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:54:50,238 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:54:50,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-13 13:54:50,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316324012] [2024-11-13 13:54:50,238 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 13:54:50,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 13:54:50,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:54:50,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 13:54:50,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=218, Unknown=3, NotChecked=0, Total=272 [2024-11-13 13:54:50,239 INFO L87 Difference]: Start difference. First operand 5920 states and 8651 transitions. Second operand has 11 states, 10 states have (on average 8.0) internal successors, (80), 11 states have internal predecessors, (80), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:54:52,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:54:52,597 INFO L93 Difference]: Finished difference Result 6371 states and 9260 transitions. [2024-11-13 13:54:52,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-13 13:54:52,597 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.0) internal successors, (80), 11 states have internal predecessors, (80), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 104 [2024-11-13 13:54:52,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:54:52,605 INFO L225 Difference]: With dead ends: 6371 [2024-11-13 13:54:52,605 INFO L226 Difference]: Without dead ends: 6370 [2024-11-13 13:54:52,607 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 12.8s TimeCoverageRelationStatistics Valid=86, Invalid=331, Unknown=3, NotChecked=0, Total=420 [2024-11-13 13:54:52,607 INFO L432 NwaCegarLoop]: 168 mSDtfsCounter, 386 mSDsluCounter, 726 mSDsCounter, 0 mSdLazyCounter, 937 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 894 SdHoareTripleChecker+Invalid, 951 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 937 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:54:52,607 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [402 Valid, 894 Invalid, 951 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 937 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-13 13:54:52,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6370 states. [2024-11-13 13:54:53,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6370 to 5923. [2024-11-13 13:54:53,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5923 states, 5460 states have (on average 1.4373626373626374) internal successors, (7848), 5511 states have internal predecessors, (7848), 403 states have call successors, (403), 8 states have call predecessors, (403), 8 states have return successors, (403), 403 states have call predecessors, (403), 403 states have call successors, (403) [2024-11-13 13:54:53,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5923 states to 5923 states and 8654 transitions. [2024-11-13 13:54:53,175 INFO L78 Accepts]: Start accepts. Automaton has 5923 states and 8654 transitions. Word has length 104 [2024-11-13 13:54:53,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:54:53,175 INFO L471 AbstractCegarLoop]: Abstraction has 5923 states and 8654 transitions. [2024-11-13 13:54:53,175 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.0) internal successors, (80), 11 states have internal predecessors, (80), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:54:53,175 INFO L276 IsEmpty]: Start isEmpty. Operand 5923 states and 8654 transitions. [2024-11-13 13:54:53,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-13 13:54:53,176 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:54:53,176 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:54:53,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Forceful destruction successful, exit code 0 [2024-11-13 13:54:53,376 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74,60 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:54:53,376 INFO L396 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:54:53,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:54:53,377 INFO L85 PathProgramCache]: Analyzing trace with hash -645706095, now seen corresponding path program 1 times [2024-11-13 13:54:53,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:54:53,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901186084] [2024-11-13 13:54:53,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:54:53,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:54:53,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:54:53,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [565457409] [2024-11-13 13:54:53,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:54:53,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:54:53,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:54:53,396 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:54:53,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Waiting until timeout for monitored process [2024-11-13 13:54:53,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:54:53,457 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 13:54:53,458 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:54:54,121 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 13:54:54,121 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:54:54,590 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 13:54:54,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:54:54,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901186084] [2024-11-13 13:54:54,590 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:54:54,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [565457409] [2024-11-13 13:54:54,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [565457409] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:54:54,590 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:54:54,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 17 [2024-11-13 13:54:54,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144380169] [2024-11-13 13:54:54,590 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 13:54:54,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-13 13:54:54,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:54:54,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-13 13:54:54,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2024-11-13 13:54:54,591 INFO L87 Difference]: Start difference. First operand 5923 states and 8654 transitions. Second operand has 18 states, 17 states have (on average 9.058823529411764) internal successors, (154), 18 states have internal predecessors, (154), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 13:54:59,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:54:59,634 INFO L93 Difference]: Finished difference Result 6583 states and 9574 transitions. [2024-11-13 13:54:59,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-13 13:54:59,635 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 9.058823529411764) internal successors, (154), 18 states have internal predecessors, (154), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 105 [2024-11-13 13:54:59,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:54:59,646 INFO L225 Difference]: With dead ends: 6583 [2024-11-13 13:54:59,646 INFO L226 Difference]: Without dead ends: 6582 [2024-11-13 13:54:59,649 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=195, Invalid=561, Unknown=0, NotChecked=0, Total=756 [2024-11-13 13:54:59,650 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 994 mSDsluCounter, 1683 mSDsCounter, 0 mSdLazyCounter, 1429 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1014 SdHoareTripleChecker+Valid, 1868 SdHoareTripleChecker+Invalid, 1510 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 1429 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:54:59,650 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1014 Valid, 1868 Invalid, 1510 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 1429 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2024-11-13 13:54:59,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6582 states. [2024-11-13 13:55:00,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6582 to 6000. [2024-11-13 13:55:00,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6000 states, 5533 states have (on average 1.4380986806434122) internal successors, (7957), 5584 states have internal predecessors, (7957), 407 states have call successors, (407), 8 states have call predecessors, (407), 8 states have return successors, (407), 407 states have call predecessors, (407), 407 states have call successors, (407) [2024-11-13 13:55:00,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6000 states to 6000 states and 8771 transitions. [2024-11-13 13:55:00,180 INFO L78 Accepts]: Start accepts. Automaton has 6000 states and 8771 transitions. Word has length 105 [2024-11-13 13:55:00,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:55:00,181 INFO L471 AbstractCegarLoop]: Abstraction has 6000 states and 8771 transitions. [2024-11-13 13:55:00,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 9.058823529411764) internal successors, (154), 18 states have internal predecessors, (154), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 13:55:00,181 INFO L276 IsEmpty]: Start isEmpty. Operand 6000 states and 8771 transitions. [2024-11-13 13:55:00,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-13 13:55:00,181 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:55:00,182 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:55:00,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Forceful destruction successful, exit code 0 [2024-11-13 13:55:00,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75,61 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:55:00,382 INFO L396 AbstractCegarLoop]: === Iteration 77 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:55:00,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:55:00,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1797478641, now seen corresponding path program 1 times [2024-11-13 13:55:00,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:55:00,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656237072] [2024-11-13 13:55:00,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:55:00,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:55:00,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:55:00,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [649651738] [2024-11-13 13:55:00,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:55:00,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:55:00,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:55:00,394 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:55:00,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Waiting until timeout for monitored process [2024-11-13 13:55:00,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:55:00,456 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-13 13:55:00,458 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:55:02,443 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 13:55:02,443 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:55:07,374 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 13:55:07,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:55:07,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656237072] [2024-11-13 13:55:07,374 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:55:07,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [649651738] [2024-11-13 13:55:07,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [649651738] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:55:07,374 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:55:07,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 21 [2024-11-13 13:55:07,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429370791] [2024-11-13 13:55:07,374 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 13:55:07,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-13 13:55:07,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:55:07,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-13 13:55:07,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=384, Unknown=0, NotChecked=0, Total=462 [2024-11-13 13:55:07,376 INFO L87 Difference]: Start difference. First operand 6000 states and 8771 transitions. Second operand has 22 states, 21 states have (on average 7.380952380952381) internal successors, (155), 22 states have internal predecessors, (155), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-13 13:55:25,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:55:34,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:55:44,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:55:44,168 INFO L93 Difference]: Finished difference Result 6502 states and 9457 transitions. [2024-11-13 13:55:44,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-13 13:55:44,169 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 7.380952380952381) internal successors, (155), 22 states have internal predecessors, (155), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 105 [2024-11-13 13:55:44,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:55:44,176 INFO L225 Difference]: With dead ends: 6502 [2024-11-13 13:55:44,176 INFO L226 Difference]: Without dead ends: 6487 [2024-11-13 13:55:44,177 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 430 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=435, Invalid=1635, Unknown=0, NotChecked=0, Total=2070 [2024-11-13 13:55:44,178 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 1406 mSDsluCounter, 1059 mSDsCounter, 0 mSdLazyCounter, 2341 mSolverCounterSat, 146 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 30.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1406 SdHoareTripleChecker+Valid, 1189 SdHoareTripleChecker+Invalid, 2488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 146 IncrementalHoareTripleChecker+Valid, 2341 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:55:44,178 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1406 Valid, 1189 Invalid, 2488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [146 Valid, 2341 Invalid, 1 Unknown, 0 Unchecked, 30.8s Time] [2024-11-13 13:55:44,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6487 states. [2024-11-13 13:55:44,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6487 to 5987. [2024-11-13 13:55:44,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5987 states, 5520 states have (on average 1.4389492753623188) internal successors, (7943), 5571 states have internal predecessors, (7943), 407 states have call successors, (407), 8 states have call predecessors, (407), 8 states have return successors, (407), 407 states have call predecessors, (407), 407 states have call successors, (407) [2024-11-13 13:55:44,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5987 states to 5987 states and 8757 transitions. [2024-11-13 13:55:44,841 INFO L78 Accepts]: Start accepts. Automaton has 5987 states and 8757 transitions. Word has length 105 [2024-11-13 13:55:44,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:55:44,841 INFO L471 AbstractCegarLoop]: Abstraction has 5987 states and 8757 transitions. [2024-11-13 13:55:44,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 7.380952380952381) internal successors, (155), 22 states have internal predecessors, (155), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-13 13:55:44,841 INFO L276 IsEmpty]: Start isEmpty. Operand 5987 states and 8757 transitions. [2024-11-13 13:55:44,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-13 13:55:44,842 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:55:44,842 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:55:44,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Ended with exit code 0 [2024-11-13 13:55:45,071 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76,62 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:55:45,071 INFO L396 AbstractCegarLoop]: === Iteration 78 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:55:45,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:55:45,072 INFO L85 PathProgramCache]: Analyzing trace with hash -314974833, now seen corresponding path program 1 times [2024-11-13 13:55:45,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:55:45,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672994300] [2024-11-13 13:55:45,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:55:45,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:55:45,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:55:45,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [413442174] [2024-11-13 13:55:45,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:55:45,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:55:45,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:55:45,087 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:55:45,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Waiting until timeout for monitored process [2024-11-13 13:55:45,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:55:45,161 INFO L255 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 13:55:45,163 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:55:45,546 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-13 13:55:45,546 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:55:45,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:55:45,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672994300] [2024-11-13 13:55:45,546 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:55:45,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [413442174] [2024-11-13 13:55:45,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [413442174] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:55:45,546 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:55:45,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 13:55:45,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37137515] [2024-11-13 13:55:45,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:55:45,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 13:55:45,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:55:45,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 13:55:45,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:55:45,547 INFO L87 Difference]: Start difference. First operand 5987 states and 8757 transitions. Second operand has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-13 13:55:46,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:55:46,651 INFO L93 Difference]: Finished difference Result 6002 states and 8762 transitions. [2024-11-13 13:55:46,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 13:55:46,652 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) Word has length 108 [2024-11-13 13:55:46,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:55:46,659 INFO L225 Difference]: With dead ends: 6002 [2024-11-13 13:55:46,659 INFO L226 Difference]: Without dead ends: 6001 [2024-11-13 13:55:46,661 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:55:46,661 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 201 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:55:46,661 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 513 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:55:46,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6001 states. [2024-11-13 13:55:47,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6001 to 5987. [2024-11-13 13:55:47,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5987 states, 5520 states have (on average 1.4376811594202898) internal successors, (7936), 5571 states have internal predecessors, (7936), 407 states have call successors, (407), 8 states have call predecessors, (407), 8 states have return successors, (407), 407 states have call predecessors, (407), 407 states have call successors, (407) [2024-11-13 13:55:47,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5987 states to 5987 states and 8750 transitions. [2024-11-13 13:55:47,316 INFO L78 Accepts]: Start accepts. Automaton has 5987 states and 8750 transitions. Word has length 108 [2024-11-13 13:55:47,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:55:47,317 INFO L471 AbstractCegarLoop]: Abstraction has 5987 states and 8750 transitions. [2024-11-13 13:55:47,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 3 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 4 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-13 13:55:47,317 INFO L276 IsEmpty]: Start isEmpty. Operand 5987 states and 8750 transitions. [2024-11-13 13:55:47,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-13 13:55:47,317 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:55:47,317 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:55:47,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Forceful destruction successful, exit code 0 [2024-11-13 13:55:47,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77,63 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:55:47,518 INFO L396 AbstractCegarLoop]: === Iteration 79 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:55:47,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:55:47,518 INFO L85 PathProgramCache]: Analyzing trace with hash -862230346, now seen corresponding path program 1 times [2024-11-13 13:55:47,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:55:47,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490378275] [2024-11-13 13:55:47,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:55:47,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:55:47,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:55:47,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:55:47,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:55:47,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:55:47,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:55:47,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 13:55:47,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:55:47,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-13 13:55:47,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:55:47,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 13:55:47,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:55:47,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-13 13:55:47,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:55:47,688 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 20 proven. 19 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 13:55:47,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:55:47,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490378275] [2024-11-13 13:55:47,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490378275] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:55:47,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420129884] [2024-11-13 13:55:47,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:55:47,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:55:47,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:55:47,691 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:55:47,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Waiting until timeout for monitored process [2024-11-13 13:55:47,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:55:47,773 INFO L255 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 13:55:47,775 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:55:47,956 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 20 proven. 19 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 13:55:47,956 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:55:48,187 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 20 proven. 19 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 13:55:48,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1420129884] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:55:48,188 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:55:48,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 8 [2024-11-13 13:55:48,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828994981] [2024-11-13 13:55:48,188 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:55:48,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 13:55:48,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:55:48,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 13:55:48,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:55:48,189 INFO L87 Difference]: Start difference. First operand 5987 states and 8750 transitions. Second operand has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:55:50,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:55:50,575 INFO L93 Difference]: Finished difference Result 12331 states and 18576 transitions. [2024-11-13 13:55:50,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-13 13:55:50,576 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 111 [2024-11-13 13:55:50,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:55:50,598 INFO L225 Difference]: With dead ends: 12331 [2024-11-13 13:55:50,598 INFO L226 Difference]: Without dead ends: 12283 [2024-11-13 13:55:50,601 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 232 SyntacticMatches, 7 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=144, Invalid=456, Unknown=0, NotChecked=0, Total=600 [2024-11-13 13:55:50,601 INFO L432 NwaCegarLoop]: 304 mSDtfsCounter, 849 mSDsluCounter, 1438 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 853 SdHoareTripleChecker+Valid, 1742 SdHoareTripleChecker+Invalid, 562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-13 13:55:50,601 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [853 Valid, 1742 Invalid, 562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 514 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-13 13:55:50,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12283 states. [2024-11-13 13:55:51,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12283 to 6922. [2024-11-13 13:55:51,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6922 states, 6403 states have (on average 1.446821802280181) internal successors, (9264), 6454 states have internal predecessors, (9264), 459 states have call successors, (459), 8 states have call predecessors, (459), 8 states have return successors, (459), 459 states have call predecessors, (459), 459 states have call successors, (459) [2024-11-13 13:55:51,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6922 states to 6922 states and 10182 transitions. [2024-11-13 13:55:51,506 INFO L78 Accepts]: Start accepts. Automaton has 6922 states and 10182 transitions. Word has length 111 [2024-11-13 13:55:51,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:55:51,506 INFO L471 AbstractCegarLoop]: Abstraction has 6922 states and 10182 transitions. [2024-11-13 13:55:51,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:55:51,507 INFO L276 IsEmpty]: Start isEmpty. Operand 6922 states and 10182 transitions. [2024-11-13 13:55:51,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-13 13:55:51,507 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:55:51,508 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:55:51,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Ended with exit code 0 [2024-11-13 13:55:51,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78,64 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:55:51,708 INFO L396 AbstractCegarLoop]: === Iteration 80 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:55:51,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:55:51,708 INFO L85 PathProgramCache]: Analyzing trace with hash -369334810, now seen corresponding path program 1 times [2024-11-13 13:55:51,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:55:51,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850935455] [2024-11-13 13:55:51,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:55:51,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:55:51,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:55:51,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:55:51,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:55:51,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:55:51,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:55:51,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 13:55:51,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:55:51,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-13 13:55:51,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:55:51,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 13:55:51,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:55:51,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:55:51,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:55:51,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 13:55:51,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:55:51,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 13:55:51,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:55:51,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-13 13:55:51,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:55:51,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 13:55:51,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:55:51,822 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-13 13:55:51,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:55:51,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850935455] [2024-11-13 13:55:51,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850935455] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:55:51,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1415032434] [2024-11-13 13:55:51,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:55:51,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:55:51,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:55:51,826 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:55:51,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Waiting until timeout for monitored process [2024-11-13 13:55:51,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:55:51,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 13:55:51,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:55:52,044 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-13 13:55:52,044 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:55:52,330 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-13 13:55:52,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1415032434] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:55:52,330 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:55:52,330 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2024-11-13 13:55:52,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542836020] [2024-11-13 13:55:52,331 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:55:52,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:55:52,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:55:52,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:55:52,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:55:52,332 INFO L87 Difference]: Start difference. First operand 6922 states and 10182 transitions. Second operand has 10 states, 9 states have (on average 15.0) internal successors, (135), 10 states have internal predecessors, (135), 6 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 6 states have call predecessors, (20), 6 states have call successors, (20) [2024-11-13 13:55:54,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:55:54,392 INFO L93 Difference]: Finished difference Result 7130 states and 10439 transitions. [2024-11-13 13:55:54,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:55:54,393 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 15.0) internal successors, (135), 10 states have internal predecessors, (135), 6 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 6 states have call predecessors, (20), 6 states have call successors, (20) Word has length 115 [2024-11-13 13:55:54,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:55:54,402 INFO L225 Difference]: With dead ends: 7130 [2024-11-13 13:55:54,402 INFO L226 Difference]: Without dead ends: 7129 [2024-11-13 13:55:54,405 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=117, Invalid=225, Unknown=0, NotChecked=0, Total=342 [2024-11-13 13:55:54,405 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 561 mSDsluCounter, 520 mSDsCounter, 0 mSdLazyCounter, 469 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 565 SdHoareTripleChecker+Valid, 616 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 469 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:55:54,405 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [565 Valid, 616 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 469 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-13 13:55:54,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7129 states. [2024-11-13 13:55:55,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7129 to 7081. [2024-11-13 13:55:55,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7081 states, 6540 states have (on average 1.4437308868501528) internal successors, (9442), 6591 states have internal predecessors, (9442), 481 states have call successors, (481), 8 states have call predecessors, (481), 8 states have return successors, (481), 481 states have call predecessors, (481), 481 states have call successors, (481) [2024-11-13 13:55:55,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7081 states to 7081 states and 10404 transitions. [2024-11-13 13:55:55,291 INFO L78 Accepts]: Start accepts. Automaton has 7081 states and 10404 transitions. Word has length 115 [2024-11-13 13:55:55,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:55:55,292 INFO L471 AbstractCegarLoop]: Abstraction has 7081 states and 10404 transitions. [2024-11-13 13:55:55,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 15.0) internal successors, (135), 10 states have internal predecessors, (135), 6 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 6 states have call predecessors, (20), 6 states have call successors, (20) [2024-11-13 13:55:55,292 INFO L276 IsEmpty]: Start isEmpty. Operand 7081 states and 10404 transitions. [2024-11-13 13:55:55,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-13 13:55:55,292 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:55:55,292 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:55:55,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Forceful destruction successful, exit code 0 [2024-11-13 13:55:55,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79,65 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:55:55,493 INFO L396 AbstractCegarLoop]: === Iteration 81 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:55:55,493 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:55:55,493 INFO L85 PathProgramCache]: Analyzing trace with hash 1435522906, now seen corresponding path program 1 times [2024-11-13 13:55:55,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:55:55,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393930697] [2024-11-13 13:55:55,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:55:55,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:55:55,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:55:55,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:55:55,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:55:55,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:55:55,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:55:55,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 13:55:55,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:55:55,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-13 13:55:55,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:55:55,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 13:55:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:55:55,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:55:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:55:55,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 13:55:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:55:55,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 13:55:55,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:55:55,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-13 13:55:55,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:55:55,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 13:55:55,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:55:55,642 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-13 13:55:55,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:55:55,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393930697] [2024-11-13 13:55:55,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393930697] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:55:55,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2009725974] [2024-11-13 13:55:55,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:55:55,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:55:55,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:55:55,645 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:55:55,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Waiting until timeout for monitored process [2024-11-13 13:55:55,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:55:55,720 INFO L255 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 13:55:55,725 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:55:55,967 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-13 13:55:55,967 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:55:56,269 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-13 13:55:56,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2009725974] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:55:56,269 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:55:56,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2024-11-13 13:55:56,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221705979] [2024-11-13 13:55:56,270 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:55:56,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 13:55:56,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:55:56,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 13:55:56,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-13 13:55:56,271 INFO L87 Difference]: Start difference. First operand 7081 states and 10404 transitions. Second operand has 14 states, 13 states have (on average 13.76923076923077) internal successors, (179), 14 states have internal predecessors, (179), 8 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 8 states have call predecessors, (26), 8 states have call successors, (26) [2024-11-13 13:56:01,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:56:01,006 INFO L93 Difference]: Finished difference Result 11598 states and 17458 transitions. [2024-11-13 13:56:01,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-11-13 13:56:01,007 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 13.76923076923077) internal successors, (179), 14 states have internal predecessors, (179), 8 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 8 states have call predecessors, (26), 8 states have call successors, (26) Word has length 116 [2024-11-13 13:56:01,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:56:01,020 INFO L225 Difference]: With dead ends: 11598 [2024-11-13 13:56:01,020 INFO L226 Difference]: Without dead ends: 11596 [2024-11-13 13:56:01,021 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1508 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1026, Invalid=3530, Unknown=0, NotChecked=0, Total=4556 [2024-11-13 13:56:01,022 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 3283 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 225 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3283 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 225 IncrementalHoareTripleChecker+Valid, 654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-13 13:56:01,022 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3283 Valid, 429 Invalid, 879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [225 Valid, 654 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-13 13:56:01,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11596 states. [2024-11-13 13:56:01,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11596 to 6624. [2024-11-13 13:56:01,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6624 states, 6106 states have (on average 1.4452997052079921) internal successors, (8825), 6156 states have internal predecessors, (8825), 459 states have call successors, (459), 8 states have call predecessors, (459), 8 states have return successors, (459), 459 states have call predecessors, (459), 459 states have call successors, (459) [2024-11-13 13:56:01,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6624 states to 6624 states and 9743 transitions. [2024-11-13 13:56:01,930 INFO L78 Accepts]: Start accepts. Automaton has 6624 states and 9743 transitions. Word has length 116 [2024-11-13 13:56:01,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:56:01,931 INFO L471 AbstractCegarLoop]: Abstraction has 6624 states and 9743 transitions. [2024-11-13 13:56:01,931 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 13.76923076923077) internal successors, (179), 14 states have internal predecessors, (179), 8 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 8 states have call predecessors, (26), 8 states have call successors, (26) [2024-11-13 13:56:01,931 INFO L276 IsEmpty]: Start isEmpty. Operand 6624 states and 9743 transitions. [2024-11-13 13:56:01,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-13 13:56:01,931 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:56:01,931 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:56:01,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Forceful destruction successful, exit code 0 [2024-11-13 13:56:02,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,66 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:56:02,132 INFO L396 AbstractCegarLoop]: === Iteration 82 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:56:02,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:56:02,132 INFO L85 PathProgramCache]: Analyzing trace with hash 853014857, now seen corresponding path program 1 times [2024-11-13 13:56:02,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:56:02,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609284479] [2024-11-13 13:56:02,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:56:02,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:56:02,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:02,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:56:02,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:02,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:56:02,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:02,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 13:56:02,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:02,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-13 13:56:02,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:02,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 13:56:02,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:02,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:56:02,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:02,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 13:56:02,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:02,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 13:56:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:02,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-13 13:56:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:02,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 13:56:02,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:02,209 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-13 13:56:02,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:56:02,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609284479] [2024-11-13 13:56:02,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609284479] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:56:02,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:56:02,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:56:02,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832808039] [2024-11-13 13:56:02,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:56:02,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:56:02,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:56:02,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:56:02,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:56:02,210 INFO L87 Difference]: Start difference. First operand 6624 states and 9743 transitions. Second operand has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 13:56:03,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:56:03,065 INFO L93 Difference]: Finished difference Result 6624 states and 9743 transitions. [2024-11-13 13:56:03,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:56:03,066 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 118 [2024-11-13 13:56:03,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:56:03,072 INFO L225 Difference]: With dead ends: 6624 [2024-11-13 13:56:03,072 INFO L226 Difference]: Without dead ends: 6623 [2024-11-13 13:56:03,073 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:56:03,073 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 27 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:56:03,073 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 313 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:56:03,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6623 states. [2024-11-13 13:56:03,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6623 to 6613. [2024-11-13 13:56:03,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6613 states, 6096 states have (on average 1.4424212598425197) internal successors, (8793), 6145 states have internal predecessors, (8793), 459 states have call successors, (459), 8 states have call predecessors, (459), 8 states have return successors, (459), 459 states have call predecessors, (459), 459 states have call successors, (459) [2024-11-13 13:56:03,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6613 states to 6613 states and 9711 transitions. [2024-11-13 13:56:03,816 INFO L78 Accepts]: Start accepts. Automaton has 6613 states and 9711 transitions. Word has length 118 [2024-11-13 13:56:03,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:56:03,816 INFO L471 AbstractCegarLoop]: Abstraction has 6613 states and 9711 transitions. [2024-11-13 13:56:03,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-13 13:56:03,816 INFO L276 IsEmpty]: Start isEmpty. Operand 6613 states and 9711 transitions. [2024-11-13 13:56:03,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-13 13:56:03,817 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:56:03,817 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:56:03,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2024-11-13 13:56:03,817 INFO L396 AbstractCegarLoop]: === Iteration 83 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:56:03,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:56:03,817 INFO L85 PathProgramCache]: Analyzing trace with hash 673658509, now seen corresponding path program 1 times [2024-11-13 13:56:03,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:56:03,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730140212] [2024-11-13 13:56:03,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:56:03,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:56:03,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:03,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:56:03,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:03,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:56:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:03,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 13:56:03,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:03,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-13 13:56:03,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:03,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 13:56:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:03,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:56:03,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:03,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 13:56:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:03,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 13:56:03,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:03,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-13 13:56:03,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:03,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 13:56:03,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:03,908 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-13 13:56:03,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:56:03,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [730140212] [2024-11-13 13:56:03,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [730140212] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:56:03,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843746399] [2024-11-13 13:56:03,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:56:03,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:56:03,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:56:03,911 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:56:03,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (67)] Waiting until timeout for monitored process [2024-11-13 13:56:03,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:03,984 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 13:56:03,985 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:56:04,194 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-13 13:56:04,194 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:56:04,410 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-13 13:56:04,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [843746399] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:56:04,410 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:56:04,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-13 13:56:04,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887742619] [2024-11-13 13:56:04,410 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:56:04,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:56:04,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:56:04,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:56:04,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:56:04,412 INFO L87 Difference]: Start difference. First operand 6613 states and 9711 transitions. Second operand has 7 states, 6 states have (on average 26.666666666666668) internal successors, (160), 7 states have internal predecessors, (160), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-13 13:56:05,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:56:05,659 INFO L93 Difference]: Finished difference Result 7593 states and 11162 transitions. [2024-11-13 13:56:05,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:56:05,660 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 26.666666666666668) internal successors, (160), 7 states have internal predecessors, (160), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) Word has length 119 [2024-11-13 13:56:05,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:56:05,676 INFO L225 Difference]: With dead ends: 7593 [2024-11-13 13:56:05,676 INFO L226 Difference]: Without dead ends: 7592 [2024-11-13 13:56:05,679 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:56:05,679 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 106 mSDsluCounter, 452 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:56:05,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 583 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:56:05,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7592 states. [2024-11-13 13:56:06,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7592 to 7348. [2024-11-13 13:56:06,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7348 states, 6747 states have (on average 1.4428634948866164) internal successors, (9735), 6796 states have internal predecessors, (9735), 543 states have call successors, (543), 8 states have call predecessors, (543), 8 states have return successors, (543), 543 states have call predecessors, (543), 543 states have call successors, (543) [2024-11-13 13:56:06,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7348 states to 7348 states and 10821 transitions. [2024-11-13 13:56:06,761 INFO L78 Accepts]: Start accepts. Automaton has 7348 states and 10821 transitions. Word has length 119 [2024-11-13 13:56:06,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:56:06,761 INFO L471 AbstractCegarLoop]: Abstraction has 7348 states and 10821 transitions. [2024-11-13 13:56:06,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 26.666666666666668) internal successors, (160), 7 states have internal predecessors, (160), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2024-11-13 13:56:06,761 INFO L276 IsEmpty]: Start isEmpty. Operand 7348 states and 10821 transitions. [2024-11-13 13:56:06,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-13 13:56:06,762 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:56:06,762 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:56:06,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (67)] Ended with exit code 0 [2024-11-13 13:56:06,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82,67 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:56:06,963 INFO L396 AbstractCegarLoop]: === Iteration 84 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:56:06,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:56:06,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1352372820, now seen corresponding path program 1 times [2024-11-13 13:56:06,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:56:06,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [669503853] [2024-11-13 13:56:06,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:56:06,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:56:06,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:56:06,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1733244040] [2024-11-13 13:56:06,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:56:06,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:56:06,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:56:06,977 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:56:06,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (68)] Waiting until timeout for monitored process [2024-11-13 13:56:07,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:56:07,046 INFO L255 TraceCheckSpWp]: Trace formula consists of 237 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-13 13:56:07,049 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:56:09,396 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-13 13:56:09,396 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:56:14,971 WARN L873 $PredicateComparison]: unable to prove that (or (= |c_ULTIMATE.start_main_~c~0#1| 0) (< (+ (* |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~p~0#1|) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~r~0#1|)) (+ (* |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~d~0#1| |c_ULTIMATE.start_main_~q~0#1|) 9223372036854775808 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~d~0#1| |c_ULTIMATE.start_main_~s~0#1|) (* |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~k~0#1| |c_ULTIMATE.start_main_~q~0#1|) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~s~0#1| |c_ULTIMATE.start_main_~k~0#1|)))) is different from true [2024-11-13 13:56:16,604 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-13 13:56:16,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:56:16,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [669503853] [2024-11-13 13:56:16,605 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:56:16,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1733244040] [2024-11-13 13:56:16,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1733244040] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:56:16,605 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:56:16,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 23 [2024-11-13 13:56:16,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597241192] [2024-11-13 13:56:16,605 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 13:56:16,605 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-13 13:56:16,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:56:16,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-13 13:56:16,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=413, Unknown=1, NotChecked=42, Total=552 [2024-11-13 13:56:16,606 INFO L87 Difference]: Start difference. First operand 7348 states and 10821 transitions. Second operand has 24 states, 23 states have (on average 7.3478260869565215) internal successors, (169), 24 states have internal predecessors, (169), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-13 13:56:33,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:56:40,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:56:45,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:56:53,433 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:56:57,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:57:06,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:57:06,071 INFO L93 Difference]: Finished difference Result 7933 states and 11657 transitions. [2024-11-13 13:57:06,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-13 13:57:06,072 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 7.3478260869565215) internal successors, (169), 24 states have internal predecessors, (169), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 117 [2024-11-13 13:57:06,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:57:06,080 INFO L225 Difference]: With dead ends: 7933 [2024-11-13 13:57:06,080 INFO L226 Difference]: Without dead ends: 7932 [2024-11-13 13:57:06,081 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 326 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=360, Invalid=1365, Unknown=1, NotChecked=80, Total=1806 [2024-11-13 13:57:06,081 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 516 mSDsluCounter, 1303 mSDsCounter, 0 mSdLazyCounter, 3014 mSolverCounterSat, 42 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 45.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 517 SdHoareTripleChecker+Valid, 1443 SdHoareTripleChecker+Invalid, 3519 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 3014 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 459 IncrementalHoareTripleChecker+Unchecked, 45.8s IncrementalHoareTripleChecker+Time [2024-11-13 13:57:06,082 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [517 Valid, 1443 Invalid, 3519 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 3014 Invalid, 4 Unknown, 459 Unchecked, 45.8s Time] [2024-11-13 13:57:06,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7932 states. [2024-11-13 13:57:07,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7932 to 7396. [2024-11-13 13:57:07,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7396 states, 6791 states have (on average 1.4324841702252982) internal successors, (9728), 6840 states have internal predecessors, (9728), 547 states have call successors, (547), 8 states have call predecessors, (547), 8 states have return successors, (547), 547 states have call predecessors, (547), 547 states have call successors, (547) [2024-11-13 13:57:07,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7396 states to 7396 states and 10822 transitions. [2024-11-13 13:57:07,018 INFO L78 Accepts]: Start accepts. Automaton has 7396 states and 10822 transitions. Word has length 117 [2024-11-13 13:57:07,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:57:07,018 INFO L471 AbstractCegarLoop]: Abstraction has 7396 states and 10822 transitions. [2024-11-13 13:57:07,018 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 7.3478260869565215) internal successors, (169), 24 states have internal predecessors, (169), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-13 13:57:07,018 INFO L276 IsEmpty]: Start isEmpty. Operand 7396 states and 10822 transitions. [2024-11-13 13:57:07,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-13 13:57:07,019 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:57:07,019 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:57:07,032 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (68)] Ended with exit code 0 [2024-11-13 13:57:07,219 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83,68 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:57:07,219 INFO L396 AbstractCegarLoop]: === Iteration 85 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:57:07,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:57:07,220 INFO L85 PathProgramCache]: Analyzing trace with hash -1155738515, now seen corresponding path program 1 times [2024-11-13 13:57:07,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:57:07,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311780497] [2024-11-13 13:57:07,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:57:07,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:57:07,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:07,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:57:07,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:07,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:57:07,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:07,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 13:57:07,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:07,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-13 13:57:07,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:07,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 13:57:07,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:07,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:57:07,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:07,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 13:57:07,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:07,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-13 13:57:07,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:07,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-13 13:57:07,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:07,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 13:57:07,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:07,346 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-13 13:57:07,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:57:07,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311780497] [2024-11-13 13:57:07,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311780497] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:57:07,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956807999] [2024-11-13 13:57:07,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:57:07,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:57:07,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:57:07,349 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:57:07,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (69)] Waiting until timeout for monitored process [2024-11-13 13:57:07,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:07,414 INFO L255 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 13:57:07,416 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:57:07,809 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-13 13:57:07,809 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:57:08,066 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-13 13:57:08,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1956807999] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:57:08,066 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:57:08,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-13 13:57:08,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896679055] [2024-11-13 13:57:08,066 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:57:08,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 13:57:08,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:57:08,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 13:57:08,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:57:08,067 INFO L87 Difference]: Start difference. First operand 7396 states and 10822 transitions. Second operand has 11 states, 10 states have (on average 20.5) internal successors, (205), 11 states have internal predecessors, (205), 7 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 7 states have call predecessors, (26), 7 states have call successors, (26) [2024-11-13 13:57:10,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:57:10,061 INFO L93 Difference]: Finished difference Result 9573 states and 14041 transitions. [2024-11-13 13:57:10,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-13 13:57:10,061 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 20.5) internal successors, (205), 11 states have internal predecessors, (205), 7 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 7 states have call predecessors, (26), 7 states have call successors, (26) Word has length 121 [2024-11-13 13:57:10,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:57:10,072 INFO L225 Difference]: With dead ends: 9573 [2024-11-13 13:57:10,072 INFO L226 Difference]: Without dead ends: 9572 [2024-11-13 13:57:10,073 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=126, Unknown=0, NotChecked=0, Total=210 [2024-11-13 13:57:10,074 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 554 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 558 SdHoareTripleChecker+Valid, 715 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:57:10,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [558 Valid, 715 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:57:10,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9572 states. [2024-11-13 13:57:11,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9572 to 8361. [2024-11-13 13:57:11,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8361 states, 7671 states have (on average 1.4325381306218226) internal successors, (10989), 7720 states have internal predecessors, (10989), 632 states have call successors, (632), 8 states have call predecessors, (632), 8 states have return successors, (632), 632 states have call predecessors, (632), 632 states have call successors, (632) [2024-11-13 13:57:11,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8361 states to 8361 states and 12253 transitions. [2024-11-13 13:57:11,261 INFO L78 Accepts]: Start accepts. Automaton has 8361 states and 12253 transitions. Word has length 121 [2024-11-13 13:57:11,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:57:11,262 INFO L471 AbstractCegarLoop]: Abstraction has 8361 states and 12253 transitions. [2024-11-13 13:57:11,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 20.5) internal successors, (205), 11 states have internal predecessors, (205), 7 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 7 states have call predecessors, (26), 7 states have call successors, (26) [2024-11-13 13:57:11,262 INFO L276 IsEmpty]: Start isEmpty. Operand 8361 states and 12253 transitions. [2024-11-13 13:57:11,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-13 13:57:11,263 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:57:11,263 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:57:11,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (69)] Ended with exit code 0 [2024-11-13 13:57:11,463 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 69 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable84 [2024-11-13 13:57:11,463 INFO L396 AbstractCegarLoop]: === Iteration 86 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:57:11,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:57:11,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1582212034, now seen corresponding path program 1 times [2024-11-13 13:57:11,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:57:11,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503945279] [2024-11-13 13:57:11,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:57:11,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:57:11,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:11,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:57:11,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:11,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:57:11,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:11,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-13 13:57:11,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:11,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-13 13:57:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:11,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-13 13:57:11,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:11,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-13 13:57:11,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:11,895 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 10 proven. 51 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 13:57:11,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:57:11,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503945279] [2024-11-13 13:57:11,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503945279] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:57:11,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386467856] [2024-11-13 13:57:11,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:57:11,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:57:11,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:57:11,898 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:57:11,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Waiting until timeout for monitored process [2024-11-13 13:57:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:11,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 13:57:11,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:57:12,216 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 10 proven. 51 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 13:57:12,216 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:57:12,975 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 10 proven. 51 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 13:57:12,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1386467856] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:57:12,975 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:57:12,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 18] total 34 [2024-11-13 13:57:12,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271420607] [2024-11-13 13:57:12,976 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:57:12,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-13 13:57:12,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:57:12,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-13 13:57:12,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=229, Invalid=893, Unknown=0, NotChecked=0, Total=1122 [2024-11-13 13:57:12,977 INFO L87 Difference]: Start difference. First operand 8361 states and 12253 transitions. Second operand has 34 states, 34 states have (on average 5.4411764705882355) internal successors, (185), 34 states have internal predecessors, (185), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-13 13:57:15,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:57:15,106 INFO L93 Difference]: Finished difference Result 13724 states and 20403 transitions. [2024-11-13 13:57:15,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-13 13:57:15,107 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 5.4411764705882355) internal successors, (185), 34 states have internal predecessors, (185), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 119 [2024-11-13 13:57:15,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:57:15,117 INFO L225 Difference]: With dead ends: 13724 [2024-11-13 13:57:15,117 INFO L226 Difference]: Without dead ends: 8495 [2024-11-13 13:57:15,122 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 706 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=712, Invalid=2710, Unknown=0, NotChecked=0, Total=3422 [2024-11-13 13:57:15,122 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 194 mSDsluCounter, 1874 mSDsCounter, 0 mSdLazyCounter, 307 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 2015 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:57:15,122 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 2015 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 307 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:57:15,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8495 states. [2024-11-13 13:57:16,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8495 to 8430. [2024-11-13 13:57:16,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8430 states, 7735 states have (on average 1.4315449256625727) internal successors, (11073), 7784 states have internal predecessors, (11073), 636 states have call successors, (636), 9 states have call predecessors, (636), 9 states have return successors, (636), 636 states have call predecessors, (636), 636 states have call successors, (636) [2024-11-13 13:57:16,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8430 states to 8430 states and 12345 transitions. [2024-11-13 13:57:16,239 INFO L78 Accepts]: Start accepts. Automaton has 8430 states and 12345 transitions. Word has length 119 [2024-11-13 13:57:16,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:57:16,239 INFO L471 AbstractCegarLoop]: Abstraction has 8430 states and 12345 transitions. [2024-11-13 13:57:16,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 5.4411764705882355) internal successors, (185), 34 states have internal predecessors, (185), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2024-11-13 13:57:16,239 INFO L276 IsEmpty]: Start isEmpty. Operand 8430 states and 12345 transitions. [2024-11-13 13:57:16,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-13 13:57:16,240 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:57:16,240 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:57:16,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Ended with exit code 0 [2024-11-13 13:57:16,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 70 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable85 [2024-11-13 13:57:16,440 INFO L396 AbstractCegarLoop]: === Iteration 87 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:57:16,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:57:16,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1348872878, now seen corresponding path program 1 times [2024-11-13 13:57:16,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:57:16,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121585219] [2024-11-13 13:57:16,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:57:16,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:57:16,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:57:16,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1987424526] [2024-11-13 13:57:16,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:57:16,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:57:16,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:57:16,455 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:57:16,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Waiting until timeout for monitored process [2024-11-13 13:57:16,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:16,519 INFO L255 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 13:57:16,521 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:57:17,606 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 13:57:17,606 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:57:17,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:57:17,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121585219] [2024-11-13 13:57:17,917 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:57:17,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1987424526] [2024-11-13 13:57:17,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1987424526] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:57:17,917 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:57:17,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-13 13:57:17,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895194308] [2024-11-13 13:57:17,918 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 13:57:17,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 13:57:17,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:57:17,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 13:57:17,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-11-13 13:57:17,919 INFO L87 Difference]: Start difference. First operand 8430 states and 12345 transitions. Second operand has 12 states, 11 states have (on average 8.909090909090908) internal successors, (98), 12 states have internal predecessors, (98), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:57:21,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:57:21,635 INFO L93 Difference]: Finished difference Result 8884 states and 12999 transitions. [2024-11-13 13:57:21,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 13:57:21,635 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.909090909090908) internal successors, (98), 12 states have internal predecessors, (98), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 122 [2024-11-13 13:57:21,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:57:21,646 INFO L225 Difference]: With dead ends: 8884 [2024-11-13 13:57:21,646 INFO L226 Difference]: Without dead ends: 8883 [2024-11-13 13:57:21,648 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=94, Invalid=368, Unknown=0, NotChecked=0, Total=462 [2024-11-13 13:57:21,648 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 535 mSDsluCounter, 1333 mSDsCounter, 0 mSdLazyCounter, 1209 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 551 SdHoareTripleChecker+Valid, 1545 SdHoareTripleChecker+Invalid, 1237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 1209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:57:21,648 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [551 Valid, 1545 Invalid, 1237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 1209 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-13 13:57:21,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8883 states. [2024-11-13 13:57:22,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8883 to 8817. [2024-11-13 13:57:22,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8817 states, 8078 states have (on average 1.435627630601634) internal successors, (11597), 8127 states have internal predecessors, (11597), 680 states have call successors, (680), 9 states have call predecessors, (680), 9 states have return successors, (680), 680 states have call predecessors, (680), 680 states have call successors, (680) [2024-11-13 13:57:22,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8817 states to 8817 states and 12957 transitions. [2024-11-13 13:57:22,786 INFO L78 Accepts]: Start accepts. Automaton has 8817 states and 12957 transitions. Word has length 122 [2024-11-13 13:57:22,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:57:22,786 INFO L471 AbstractCegarLoop]: Abstraction has 8817 states and 12957 transitions. [2024-11-13 13:57:22,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.909090909090908) internal successors, (98), 12 states have internal predecessors, (98), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:57:22,786 INFO L276 IsEmpty]: Start isEmpty. Operand 8817 states and 12957 transitions. [2024-11-13 13:57:22,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-13 13:57:22,787 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:57:22,787 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:57:22,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Ended with exit code 0 [2024-11-13 13:57:22,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 71 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable86 [2024-11-13 13:57:22,987 INFO L396 AbstractCegarLoop]: === Iteration 88 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:57:22,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:57:22,988 INFO L85 PathProgramCache]: Analyzing trace with hash -1134613650, now seen corresponding path program 1 times [2024-11-13 13:57:22,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:57:22,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406753183] [2024-11-13 13:57:22,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:57:22,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:57:23,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:57:23,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1021231402] [2024-11-13 13:57:23,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:57:23,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:57:23,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:57:23,004 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:57:23,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (72)] Waiting until timeout for monitored process [2024-11-13 13:57:23,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:23,092 INFO L255 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-13 13:57:23,094 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:57:24,418 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 13:57:24,418 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:57:25,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:57:25,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406753183] [2024-11-13 13:57:25,260 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:57:25,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1021231402] [2024-11-13 13:57:25,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1021231402] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:57:25,260 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:57:25,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-13 13:57:25,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055946034] [2024-11-13 13:57:25,260 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 13:57:25,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 13:57:25,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:57:25,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 13:57:25,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2024-11-13 13:57:25,261 INFO L87 Difference]: Start difference. First operand 8817 states and 12957 transitions. Second operand has 12 states, 11 states have (on average 9.0) internal successors, (99), 12 states have internal predecessors, (99), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:57:28,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:57:28,156 INFO L93 Difference]: Finished difference Result 8884 states and 12987 transitions. [2024-11-13 13:57:28,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 13:57:28,157 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 9.0) internal successors, (99), 12 states have internal predecessors, (99), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 123 [2024-11-13 13:57:28,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:57:28,167 INFO L225 Difference]: With dead ends: 8884 [2024-11-13 13:57:28,167 INFO L226 Difference]: Without dead ends: 8883 [2024-11-13 13:57:28,168 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=95, Invalid=367, Unknown=0, NotChecked=0, Total=462 [2024-11-13 13:57:28,169 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 495 mSDsluCounter, 1190 mSDsCounter, 0 mSdLazyCounter, 1072 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 511 SdHoareTripleChecker+Valid, 1402 SdHoareTripleChecker+Invalid, 1096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1072 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:57:28,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [511 Valid, 1402 Invalid, 1096 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1072 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-13 13:57:28,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8883 states. [2024-11-13 13:57:29,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8883 to 8817. [2024-11-13 13:57:29,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8817 states, 8078 states have (on average 1.4341421143847486) internal successors, (11585), 8127 states have internal predecessors, (11585), 680 states have call successors, (680), 9 states have call predecessors, (680), 9 states have return successors, (680), 680 states have call predecessors, (680), 680 states have call successors, (680) [2024-11-13 13:57:29,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8817 states to 8817 states and 12945 transitions. [2024-11-13 13:57:29,790 INFO L78 Accepts]: Start accepts. Automaton has 8817 states and 12945 transitions. Word has length 123 [2024-11-13 13:57:29,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:57:29,790 INFO L471 AbstractCegarLoop]: Abstraction has 8817 states and 12945 transitions. [2024-11-13 13:57:29,790 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 9.0) internal successors, (99), 12 states have internal predecessors, (99), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:57:29,791 INFO L276 IsEmpty]: Start isEmpty. Operand 8817 states and 12945 transitions. [2024-11-13 13:57:29,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-13 13:57:29,792 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:57:29,792 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:57:29,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (72)] Forceful destruction successful, exit code 0 [2024-11-13 13:57:29,992 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 72 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable87 [2024-11-13 13:57:29,992 INFO L396 AbstractCegarLoop]: === Iteration 89 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:57:29,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:57:29,993 INFO L85 PathProgramCache]: Analyzing trace with hash -186937686, now seen corresponding path program 1 times [2024-11-13 13:57:29,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:57:29,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584119053] [2024-11-13 13:57:29,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:57:29,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:57:30,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:30,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:57:30,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:30,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:57:30,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:30,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-13 13:57:30,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:30,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-13 13:57:30,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:30,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-13 13:57:30,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:30,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 13:57:30,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:30,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 13:57:30,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:30,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 13:57:30,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:30,171 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 15 proven. 26 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-13 13:57:30,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:57:30,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584119053] [2024-11-13 13:57:30,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584119053] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:57:30,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [783658168] [2024-11-13 13:57:30,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:57:30,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:57:30,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:57:30,174 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:57:30,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (73)] Waiting until timeout for monitored process [2024-11-13 13:57:30,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:30,250 INFO L255 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 13:57:30,252 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:57:30,585 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 15 proven. 26 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-13 13:57:30,585 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:57:30,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [783658168] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:57:30,696 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:57:30,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2024-11-13 13:57:30,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180678554] [2024-11-13 13:57:30,696 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 13:57:30,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:57:30,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:57:30,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:57:30,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:57:30,697 INFO L87 Difference]: Start difference. First operand 8817 states and 12945 transitions. Second operand has 9 states, 8 states have (on average 15.0) internal successors, (120), 9 states have internal predecessors, (120), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-13 13:57:34,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:57:34,853 INFO L93 Difference]: Finished difference Result 19643 states and 29294 transitions. [2024-11-13 13:57:34,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-13 13:57:34,854 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 15.0) internal successors, (120), 9 states have internal predecessors, (120), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 125 [2024-11-13 13:57:34,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:57:34,876 INFO L225 Difference]: With dead ends: 19643 [2024-11-13 13:57:34,877 INFO L226 Difference]: Without dead ends: 19593 [2024-11-13 13:57:34,879 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=164, Invalid=388, Unknown=0, NotChecked=0, Total=552 [2024-11-13 13:57:34,879 INFO L432 NwaCegarLoop]: 413 mSDtfsCounter, 855 mSDsluCounter, 1397 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 859 SdHoareTripleChecker+Valid, 1810 SdHoareTripleChecker+Invalid, 595 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:57:34,879 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [859 Valid, 1810 Invalid, 595 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-13 13:57:34,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19593 states. [2024-11-13 13:57:37,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19593 to 14845. [2024-11-13 13:57:37,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14845 states, 13642 states have (on average 1.4478082392611054) internal successors, (19751), 13691 states have internal predecessors, (19751), 1144 states have call successors, (1144), 9 states have call predecessors, (1144), 9 states have return successors, (1144), 1144 states have call predecessors, (1144), 1144 states have call successors, (1144) [2024-11-13 13:57:37,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14845 states to 14845 states and 22039 transitions. [2024-11-13 13:57:37,159 INFO L78 Accepts]: Start accepts. Automaton has 14845 states and 22039 transitions. Word has length 125 [2024-11-13 13:57:37,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:57:37,159 INFO L471 AbstractCegarLoop]: Abstraction has 14845 states and 22039 transitions. [2024-11-13 13:57:37,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 15.0) internal successors, (120), 9 states have internal predecessors, (120), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-13 13:57:37,159 INFO L276 IsEmpty]: Start isEmpty. Operand 14845 states and 22039 transitions. [2024-11-13 13:57:37,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-13 13:57:37,160 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:57:37,160 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:57:37,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (73)] Ended with exit code 0 [2024-11-13 13:57:37,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 73 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable88 [2024-11-13 13:57:37,360 INFO L396 AbstractCegarLoop]: === Iteration 90 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:57:37,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:57:37,361 INFO L85 PathProgramCache]: Analyzing trace with hash -813284688, now seen corresponding path program 1 times [2024-11-13 13:57:37,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:57:37,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849367302] [2024-11-13 13:57:37,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:57:37,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:57:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:57:37,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2133167599] [2024-11-13 13:57:37,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:57:37,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:57:37,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:57:37,375 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:57:37,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (74)] Waiting until timeout for monitored process [2024-11-13 13:57:37,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:37,455 INFO L255 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 13:57:37,457 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:57:37,755 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-13 13:57:37,755 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:57:46,199 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-13 13:57:46,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:57:46,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849367302] [2024-11-13 13:57:46,199 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:57:46,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133167599] [2024-11-13 13:57:46,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2133167599] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:57:46,199 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:57:46,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2024-11-13 13:57:46,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529207087] [2024-11-13 13:57:46,199 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 13:57:46,200 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 13:57:46,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:57:46,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 13:57:46,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=38, Unknown=2, NotChecked=0, Total=56 [2024-11-13 13:57:46,200 INFO L87 Difference]: Start difference. First operand 14845 states and 22039 transitions. Second operand has 8 states, 7 states have (on average 13.571428571428571) internal successors, (95), 8 states have internal predecessors, (95), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:57:51,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:57:51,703 INFO L93 Difference]: Finished difference Result 17518 states and 26150 transitions. [2024-11-13 13:57:51,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 13:57:51,703 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.571428571428571) internal successors, (95), 8 states have internal predecessors, (95), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 124 [2024-11-13 13:57:51,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:57:51,726 INFO L225 Difference]: With dead ends: 17518 [2024-11-13 13:57:51,726 INFO L226 Difference]: Without dead ends: 17516 [2024-11-13 13:57:51,728 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 238 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=26, Invalid=62, Unknown=2, NotChecked=0, Total=90 [2024-11-13 13:57:51,728 INFO L432 NwaCegarLoop]: 260 mSDtfsCounter, 383 mSDsluCounter, 816 mSDsCounter, 0 mSdLazyCounter, 605 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 387 SdHoareTripleChecker+Valid, 1076 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 605 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:57:51,729 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [387 Valid, 1076 Invalid, 624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 605 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-13 13:57:51,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17516 states. [2024-11-13 13:57:54,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17516 to 17087. [2024-11-13 13:57:54,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17087 states, 15636 states have (on average 1.4515860833972882) internal successors, (22697), 15685 states have internal predecessors, (22697), 1392 states have call successors, (1392), 9 states have call predecessors, (1392), 9 states have return successors, (1392), 1392 states have call predecessors, (1392), 1392 states have call successors, (1392) [2024-11-13 13:57:54,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17087 states to 17087 states and 25481 transitions. [2024-11-13 13:57:54,070 INFO L78 Accepts]: Start accepts. Automaton has 17087 states and 25481 transitions. Word has length 124 [2024-11-13 13:57:54,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:57:54,070 INFO L471 AbstractCegarLoop]: Abstraction has 17087 states and 25481 transitions. [2024-11-13 13:57:54,070 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.571428571428571) internal successors, (95), 8 states have internal predecessors, (95), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:57:54,070 INFO L276 IsEmpty]: Start isEmpty. Operand 17087 states and 25481 transitions. [2024-11-13 13:57:54,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-13 13:57:54,071 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:57:54,071 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:57:54,086 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (74)] Ended with exit code 0 [2024-11-13 13:57:54,271 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 74 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable89 [2024-11-13 13:57:54,272 INFO L396 AbstractCegarLoop]: === Iteration 91 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:57:54,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:57:54,272 INFO L85 PathProgramCache]: Analyzing trace with hash 557978544, now seen corresponding path program 1 times [2024-11-13 13:57:54,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:57:54,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288991555] [2024-11-13 13:57:54,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:57:54,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:57:54,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:57:54,288 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [133373705] [2024-11-13 13:57:54,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:57:54,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:57:54,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:57:54,290 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:57:54,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (75)] Waiting until timeout for monitored process [2024-11-13 13:57:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:57:54,369 INFO L255 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-13 13:57:54,370 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:57:54,780 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-13 13:57:54,780 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:58:03,371 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-13 13:58:03,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:58:03,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288991555] [2024-11-13 13:58:03,372 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:58:03,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [133373705] [2024-11-13 13:58:03,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [133373705] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:58:03,372 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:58:03,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2024-11-13 13:58:03,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280050378] [2024-11-13 13:58:03,372 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 13:58:03,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 13:58:03,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:58:03,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 13:58:03,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=38, Unknown=2, NotChecked=0, Total=56 [2024-11-13 13:58:03,373 INFO L87 Difference]: Start difference. First operand 17087 states and 25481 transitions. Second operand has 8 states, 7 states have (on average 13.714285714285714) internal successors, (96), 8 states have internal predecessors, (96), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:58:09,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:58:09,201 INFO L93 Difference]: Finished difference Result 17518 states and 26014 transitions. [2024-11-13 13:58:09,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 13:58:09,202 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 13.714285714285714) internal successors, (96), 8 states have internal predecessors, (96), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 125 [2024-11-13 13:58:09,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:58:09,226 INFO L225 Difference]: With dead ends: 17518 [2024-11-13 13:58:09,226 INFO L226 Difference]: Without dead ends: 17516 [2024-11-13 13:58:09,229 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 240 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 8.4s TimeCoverageRelationStatistics Valid=26, Invalid=62, Unknown=2, NotChecked=0, Total=90 [2024-11-13 13:58:09,229 INFO L432 NwaCegarLoop]: 265 mSDtfsCounter, 362 mSDsluCounter, 743 mSDsCounter, 0 mSdLazyCounter, 539 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 1008 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:58:09,229 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [366 Valid, 1008 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 539 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-13 13:58:09,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17516 states. [2024-11-13 13:58:11,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17516 to 16700. [2024-11-13 13:58:11,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16700 states, 15293 states have (on average 1.4433400902373634) internal successors, (22073), 15342 states have internal predecessors, (22073), 1348 states have call successors, (1348), 9 states have call predecessors, (1348), 9 states have return successors, (1348), 1348 states have call predecessors, (1348), 1348 states have call successors, (1348) [2024-11-13 13:58:11,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16700 states to 16700 states and 24769 transitions. [2024-11-13 13:58:11,714 INFO L78 Accepts]: Start accepts. Automaton has 16700 states and 24769 transitions. Word has length 125 [2024-11-13 13:58:11,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:58:11,715 INFO L471 AbstractCegarLoop]: Abstraction has 16700 states and 24769 transitions. [2024-11-13 13:58:11,715 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 13.714285714285714) internal successors, (96), 8 states have internal predecessors, (96), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-13 13:58:11,715 INFO L276 IsEmpty]: Start isEmpty. Operand 16700 states and 24769 transitions. [2024-11-13 13:58:11,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-13 13:58:11,715 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:58:11,716 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:58:11,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (75)] Forceful destruction successful, exit code 0 [2024-11-13 13:58:11,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,75 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:58:11,916 INFO L396 AbstractCegarLoop]: === Iteration 92 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:58:11,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:58:11,916 INFO L85 PathProgramCache]: Analyzing trace with hash -736594267, now seen corresponding path program 1 times [2024-11-13 13:58:11,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:58:11,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919713843] [2024-11-13 13:58:11,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:58:11,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:58:11,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:58:11,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1804073762] [2024-11-13 13:58:11,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:58:11,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:58:11,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:58:11,935 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:58:11,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (76)] Waiting until timeout for monitored process [2024-11-13 13:58:12,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:58:12,007 INFO L255 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 13:58:12,009 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:58:12,325 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 15 proven. 29 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-13 13:58:12,326 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:58:12,653 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 15 proven. 29 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-13 13:58:12,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:58:12,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919713843] [2024-11-13 13:58:12,653 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:58:12,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1804073762] [2024-11-13 13:58:12,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1804073762] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:58:12,653 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:58:12,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-13 13:58:12,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133105005] [2024-11-13 13:58:12,654 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 13:58:12,654 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:58:12,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:58:12,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:58:12,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:58:12,655 INFO L87 Difference]: Start difference. First operand 16700 states and 24769 transitions. Second operand has 10 states, 9 states have (on average 18.666666666666668) internal successors, (168), 10 states have internal predecessors, (168), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-13 13:58:19,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:58:19,501 INFO L93 Difference]: Finished difference Result 27823 states and 41366 transitions. [2024-11-13 13:58:19,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-11-13 13:58:19,502 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 18.666666666666668) internal successors, (168), 10 states have internal predecessors, (168), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 132 [2024-11-13 13:58:19,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:58:19,563 INFO L225 Difference]: With dead ends: 27823 [2024-11-13 13:58:19,563 INFO L226 Difference]: Without dead ends: 27822 [2024-11-13 13:58:19,569 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 572 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=494, Invalid=1486, Unknown=0, NotChecked=0, Total=1980 [2024-11-13 13:58:19,570 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 1088 mSDsluCounter, 1219 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1091 SdHoareTripleChecker+Valid, 1443 SdHoareTripleChecker+Invalid, 675 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:58:19,570 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1091 Valid, 1443 Invalid, 675 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 597 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-13 13:58:19,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27822 states. [2024-11-13 13:58:23,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27822 to 22907. [2024-11-13 13:58:23,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22907 states, 20936 states have (on average 1.4489396255254108) internal successors, (30335), 20985 states have internal predecessors, (30335), 1912 states have call successors, (1912), 9 states have call predecessors, (1912), 9 states have return successors, (1912), 1912 states have call predecessors, (1912), 1912 states have call successors, (1912) [2024-11-13 13:58:23,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22907 states to 22907 states and 34159 transitions. [2024-11-13 13:58:23,056 INFO L78 Accepts]: Start accepts. Automaton has 22907 states and 34159 transitions. Word has length 132 [2024-11-13 13:58:23,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:58:23,056 INFO L471 AbstractCegarLoop]: Abstraction has 22907 states and 34159 transitions. [2024-11-13 13:58:23,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 18.666666666666668) internal successors, (168), 10 states have internal predecessors, (168), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2024-11-13 13:58:23,056 INFO L276 IsEmpty]: Start isEmpty. Operand 22907 states and 34159 transitions. [2024-11-13 13:58:23,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-13 13:58:23,057 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:58:23,057 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:58:23,071 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (76)] Ended with exit code 0 [2024-11-13 13:58:23,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91,76 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:58:23,258 INFO L396 AbstractCegarLoop]: === Iteration 93 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:58:23,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:58:23,258 INFO L85 PathProgramCache]: Analyzing trace with hash -916068559, now seen corresponding path program 1 times [2024-11-13 13:58:23,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:58:23,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677317565] [2024-11-13 13:58:23,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:58:23,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:58:23,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:58:23,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1729733202] [2024-11-13 13:58:23,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:58:23,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:58:23,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:58:23,276 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:58:23,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (77)] Waiting until timeout for monitored process [2024-11-13 13:58:23,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:58:23,347 INFO L255 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 13:58:23,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:58:23,945 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2024-11-13 13:58:23,945 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:58:24,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:58:24,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677317565] [2024-11-13 13:58:24,391 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:58:24,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1729733202] [2024-11-13 13:58:24,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1729733202] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:58:24,391 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:58:24,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-13 13:58:24,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797573497] [2024-11-13 13:58:24,391 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 13:58:24,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:58:24,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:58:24,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:58:24,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:58:24,392 INFO L87 Difference]: Start difference. First operand 22907 states and 34159 transitions. Second operand has 7 states, 6 states have (on average 14.833333333333334) internal successors, (89), 7 states have internal predecessors, (89), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 13:58:28,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:58:28,066 INFO L93 Difference]: Finished difference Result 23077 states and 34356 transitions. [2024-11-13 13:58:28,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 13:58:28,067 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.833333333333334) internal successors, (89), 7 states have internal predecessors, (89), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 133 [2024-11-13 13:58:28,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:58:28,097 INFO L225 Difference]: With dead ends: 23077 [2024-11-13 13:58:28,097 INFO L226 Difference]: Without dead ends: 23076 [2024-11-13 13:58:28,100 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:58:28,100 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 283 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:58:28,100 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [295 Valid, 466 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:58:28,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23076 states. [2024-11-13 13:58:31,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23076 to 22907. [2024-11-13 13:58:31,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22907 states, 20936 states have (on average 1.4488918609094383) internal successors, (30334), 20985 states have internal predecessors, (30334), 1912 states have call successors, (1912), 9 states have call predecessors, (1912), 9 states have return successors, (1912), 1912 states have call predecessors, (1912), 1912 states have call successors, (1912) [2024-11-13 13:58:31,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22907 states to 22907 states and 34158 transitions. [2024-11-13 13:58:31,826 INFO L78 Accepts]: Start accepts. Automaton has 22907 states and 34158 transitions. Word has length 133 [2024-11-13 13:58:31,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:58:31,826 INFO L471 AbstractCegarLoop]: Abstraction has 22907 states and 34158 transitions. [2024-11-13 13:58:31,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.833333333333334) internal successors, (89), 7 states have internal predecessors, (89), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-11-13 13:58:31,827 INFO L276 IsEmpty]: Start isEmpty. Operand 22907 states and 34158 transitions. [2024-11-13 13:58:31,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-13 13:58:31,827 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:58:31,828 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:58:31,841 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (77)] Ended with exit code 0 [2024-11-13 13:58:32,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 77 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable92 [2024-11-13 13:58:32,028 INFO L396 AbstractCegarLoop]: === Iteration 94 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 13:58:32,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:58:32,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1234840261, now seen corresponding path program 1 times [2024-11-13 13:58:32,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:58:32,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495335319] [2024-11-13 13:58:32,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:58:32,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:58:32,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:58:32,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [932676875] [2024-11-13 13:58:32,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:58:32,048 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:58:32,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:58:32,050 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:58:32,053 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (78)] Waiting until timeout for monitored process [2024-11-13 13:58:32,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:58:32,128 INFO L255 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-13 13:58:32,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:58:34,340 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-13 13:58:34,340 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:58:42,948 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-13 13:58:42,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:58:42,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495335319] [2024-11-13 13:58:42,948 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:58:42,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [932676875] [2024-11-13 13:58:42,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [932676875] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:58:42,948 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:58:42,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 25 [2024-11-13 13:58:42,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [866994920] [2024-11-13 13:58:42,949 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 13:58:42,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-13 13:58:42,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:58:42,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-13 13:58:42,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=532, Unknown=0, NotChecked=0, Total=650 [2024-11-13 13:58:42,950 INFO L87 Difference]: Start difference. First operand 22907 states and 34158 transitions. Second operand has 26 states, 25 states have (on average 7.88) internal successors, (197), 26 states have internal predecessors, (197), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-13 13:58:50,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-13 13:58:54,707 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-13 13:59:28,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-13 13:59:41,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-13 13:59:44,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.92s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [1] [2024-11-13 14:00:04,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:00:04,472 INFO L93 Difference]: Finished difference Result 24063 states and 35766 transitions. [2024-11-13 14:00:04,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-11-13 14:00:04,473 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 7.88) internal successors, (197), 26 states have internal predecessors, (197), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) Word has length 131 [2024-11-13 14:00:04,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:00:04,511 INFO L225 Difference]: With dead ends: 24063 [2024-11-13 14:00:04,511 INFO L226 Difference]: Without dead ends: 24060 [2024-11-13 14:00:04,517 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1097 ImplicationChecksByTransitivity, 22.3s TimeCoverageRelationStatistics Valid=879, Invalid=3811, Unknown=2, NotChecked=0, Total=4692 [2024-11-13 14:00:04,518 INFO L432 NwaCegarLoop]: 209 mSDtfsCounter, 1848 mSDsluCounter, 2132 mSDsCounter, 0 mSdLazyCounter, 3112 mSolverCounterSat, 198 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 56.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1849 SdHoareTripleChecker+Valid, 2341 SdHoareTripleChecker+Invalid, 3313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 198 IncrementalHoareTripleChecker+Valid, 3112 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 57.5s IncrementalHoareTripleChecker+Time [2024-11-13 14:00:04,518 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1849 Valid, 2341 Invalid, 3313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [198 Valid, 3112 Invalid, 3 Unknown, 0 Unchecked, 57.5s Time] [2024-11-13 14:00:04,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24060 states. [2024-11-13 14:00:08,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24060 to 23521. [2024-11-13 14:00:08,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23521 states, 21496 states have (on average 1.4339411983624861) internal successors, (30824), 21545 states have internal predecessors, (30824), 1966 states have call successors, (1966), 9 states have call predecessors, (1966), 9 states have return successors, (1966), 1966 states have call predecessors, (1966), 1966 states have call successors, (1966) [2024-11-13 14:00:08,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23521 states to 23521 states and 34756 transitions. [2024-11-13 14:00:08,750 INFO L78 Accepts]: Start accepts. Automaton has 23521 states and 34756 transitions. Word has length 131 [2024-11-13 14:00:08,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:00:08,750 INFO L471 AbstractCegarLoop]: Abstraction has 23521 states and 34756 transitions. [2024-11-13 14:00:08,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 7.88) internal successors, (197), 26 states have internal predecessors, (197), 6 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 6 states have call predecessors, (14), 6 states have call successors, (14) [2024-11-13 14:00:08,750 INFO L276 IsEmpty]: Start isEmpty. Operand 23521 states and 34756 transitions. [2024-11-13 14:00:08,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-13 14:00:08,751 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:00:08,751 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:00:08,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (78)] Forceful destruction successful, exit code 0 [2024-11-13 14:00:08,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93,78 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:00:08,951 INFO L396 AbstractCegarLoop]: === Iteration 95 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 14:00:08,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:00:08,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1270513891, now seen corresponding path program 1 times [2024-11-13 14:00:08,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:00:08,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636263682] [2024-11-13 14:00:08,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:00:08,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:00:08,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 14:00:08,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [745600141] [2024-11-13 14:00:08,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:00:08,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:00:08,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:00:08,972 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:00:08,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (79)] Waiting until timeout for monitored process [2024-11-13 14:00:09,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:00:09,062 INFO L255 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 14:00:09,064 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:00:11,084 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-13 14:00:11,084 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:00:15,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:00:15,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636263682] [2024-11-13 14:00:15,634 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 14:00:15,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [745600141] [2024-11-13 14:00:15,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [745600141] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:00:15,634 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:00:15,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-13 14:00:15,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701971931] [2024-11-13 14:00:15,634 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 14:00:15,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 14:00:15,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:00:15,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 14:00:15,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=244, Unknown=1, NotChecked=0, Total=306 [2024-11-13 14:00:15,635 INFO L87 Difference]: Start difference. First operand 23521 states and 34756 transitions. Second operand has 14 states, 13 states have (on average 8.0) internal successors, (104), 14 states have internal predecessors, (104), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-13 14:00:22,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:00:22,832 INFO L93 Difference]: Finished difference Result 23638 states and 34882 transitions. [2024-11-13 14:00:22,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 14:00:22,833 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 8.0) internal successors, (104), 14 states have internal predecessors, (104), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 133 [2024-11-13 14:00:22,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:00:22,868 INFO L225 Difference]: With dead ends: 23638 [2024-11-13 14:00:22,868 INFO L226 Difference]: Without dead ends: 23637 [2024-11-13 14:00:22,872 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=97, Invalid=364, Unknown=1, NotChecked=0, Total=462 [2024-11-13 14:00:22,872 INFO L432 NwaCegarLoop]: 212 mSDtfsCounter, 499 mSDsluCounter, 1358 mSDsCounter, 0 mSdLazyCounter, 1487 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 518 SdHoareTripleChecker+Valid, 1570 SdHoareTripleChecker+Invalid, 1507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1487 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-13 14:00:22,873 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [518 Valid, 1570 Invalid, 1507 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1487 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-13 14:00:22,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23637 states. [2024-11-13 14:00:26,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23637 to 23521. [2024-11-13 14:00:26,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23521 states, 21496 states have (on average 1.4338946780796427) internal successors, (30823), 21545 states have internal predecessors, (30823), 1966 states have call successors, (1966), 9 states have call predecessors, (1966), 9 states have return successors, (1966), 1966 states have call predecessors, (1966), 1966 states have call successors, (1966) [2024-11-13 14:00:27,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23521 states to 23521 states and 34755 transitions. [2024-11-13 14:00:27,043 INFO L78 Accepts]: Start accepts. Automaton has 23521 states and 34755 transitions. Word has length 133 [2024-11-13 14:00:27,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:00:27,044 INFO L471 AbstractCegarLoop]: Abstraction has 23521 states and 34755 transitions. [2024-11-13 14:00:27,044 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 8.0) internal successors, (104), 14 states have internal predecessors, (104), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-13 14:00:27,044 INFO L276 IsEmpty]: Start isEmpty. Operand 23521 states and 34755 transitions. [2024-11-13 14:00:27,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-13 14:00:27,045 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:00:27,045 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:00:27,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (79)] Ended with exit code 0 [2024-11-13 14:00:27,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94,79 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:00:27,246 INFO L396 AbstractCegarLoop]: === Iteration 96 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 14:00:27,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:00:27,246 INFO L85 PathProgramCache]: Analyzing trace with hash -731224852, now seen corresponding path program 1 times [2024-11-13 14:00:27,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:00:27,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810769066] [2024-11-13 14:00:27,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:00:27,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:00:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 14:00:27,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [945665605] [2024-11-13 14:00:27,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:00:27,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:00:27,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:00:27,266 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:00:27,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (80)] Waiting until timeout for monitored process [2024-11-13 14:00:27,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:00:27,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-13 14:00:27,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:00:29,355 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-13 14:00:29,356 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:00:47,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:00:47,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810769066] [2024-11-13 14:00:47,094 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 14:00:47,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [945665605] [2024-11-13 14:00:47,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [945665605] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:00:47,094 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:00:47,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2024-11-13 14:00:47,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750447994] [2024-11-13 14:00:47,094 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 14:00:47,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 14:00:47,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:00:47,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 14:00:47,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=241, Unknown=3, NotChecked=0, Total=306 [2024-11-13 14:00:47,096 INFO L87 Difference]: Start difference. First operand 23521 states and 34755 transitions. Second operand has 14 states, 13 states have (on average 8.076923076923077) internal successors, (105), 14 states have internal predecessors, (105), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-13 14:00:54,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:00:54,122 INFO L93 Difference]: Finished difference Result 23638 states and 34881 transitions. [2024-11-13 14:00:54,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-13 14:00:54,123 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 8.076923076923077) internal successors, (105), 14 states have internal predecessors, (105), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 134 [2024-11-13 14:00:54,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:00:54,160 INFO L225 Difference]: With dead ends: 23638 [2024-11-13 14:00:54,160 INFO L226 Difference]: Without dead ends: 23637 [2024-11-13 14:00:54,164 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 17.0s TimeCoverageRelationStatistics Valid=110, Invalid=393, Unknown=3, NotChecked=0, Total=506 [2024-11-13 14:00:54,164 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 530 mSDsluCounter, 1183 mSDsCounter, 0 mSdLazyCounter, 1286 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 1382 SdHoareTripleChecker+Invalid, 1311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1286 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-13 14:00:54,164 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [549 Valid, 1382 Invalid, 1311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1286 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-13 14:00:54,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23637 states. [2024-11-13 14:00:58,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23637 to 23521. [2024-11-13 14:00:58,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23521 states, 21496 states have (on average 1.4338481577967994) internal successors, (30822), 21545 states have internal predecessors, (30822), 1966 states have call successors, (1966), 9 states have call predecessors, (1966), 9 states have return successors, (1966), 1966 states have call predecessors, (1966), 1966 states have call successors, (1966) [2024-11-13 14:00:58,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23521 states to 23521 states and 34754 transitions. [2024-11-13 14:00:58,645 INFO L78 Accepts]: Start accepts. Automaton has 23521 states and 34754 transitions. Word has length 134 [2024-11-13 14:00:58,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:00:58,646 INFO L471 AbstractCegarLoop]: Abstraction has 23521 states and 34754 transitions. [2024-11-13 14:00:58,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 8.076923076923077) internal successors, (105), 14 states have internal predecessors, (105), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-13 14:00:58,646 INFO L276 IsEmpty]: Start isEmpty. Operand 23521 states and 34754 transitions. [2024-11-13 14:00:58,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-13 14:00:58,647 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:00:58,647 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 14:00:58,664 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (80)] Ended with exit code 0 [2024-11-13 14:00:58,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95,80 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:00:58,848 INFO L396 AbstractCegarLoop]: === Iteration 97 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2024-11-13 14:00:58,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:00:58,848 INFO L85 PathProgramCache]: Analyzing trace with hash -1193133825, now seen corresponding path program 1 times [2024-11-13 14:00:58,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:00:58,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394250108] [2024-11-13 14:00:58,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:00:58,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:00:58,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 14:00:58,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [618949921] [2024-11-13 14:00:58,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:00:58,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:00:58,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:00:58,870 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:00:58,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6e8ae9f-7955-44e0-9b65-d0e5b7b1cf51/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (81)] Waiting until timeout for monitored process [2024-11-13 14:00:58,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:00:58,959 INFO L255 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 59 conjuncts are in the unsatisfiable core [2024-11-13 14:00:58,962 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:01:03,288 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-13 14:01:03,288 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 14:01:20,400 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-13 14:01:20,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:01:20,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394250108] [2024-11-13 14:01:20,401 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 14:01:20,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [618949921] [2024-11-13 14:01:20,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [618949921] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 14:01:20,401 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 14:01:20,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17] total 33 [2024-11-13 14:01:20,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96480676] [2024-11-13 14:01:20,401 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 14:01:20,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-13 14:01:20,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:01:20,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-13 14:01:20,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=966, Unknown=1, NotChecked=0, Total=1122 [2024-11-13 14:01:20,403 INFO L87 Difference]: Start difference. First operand 23521 states and 34754 transitions. Second operand has 34 states, 33 states have (on average 6.363636363636363) internal successors, (210), 34 states have internal predecessors, (210), 8 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 6 states have call predecessors, (14), 8 states have call successors, (14) [2024-11-13 14:01:27,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 14:01:46,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []