./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound10.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_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/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_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/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_46598f36-f2ad-4227-a8a3-7098e7f158ed/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 1c9e40c4fcbf0a2270c810eae17f30e2b9a539f72a78b9b7061997095813940b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:13:35,729 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:13:35,825 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-13 13:13:35,837 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:13:35,837 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:13:35,860 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:13:35,860 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:13:35,860 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:13:35,861 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:13:35,861 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:13:35,861 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:13:35,861 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:13:35,861 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:13:35,861 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:13:35,861 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:13:35,862 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:13:35,862 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:13:35,862 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:13:35,862 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:13:35,862 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:13:35,862 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:13:35,862 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:13:35,862 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:13:35,862 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:13:35,862 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:13:35,863 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 13:13:35,863 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:13:35,863 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:13:35,863 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:13:35,863 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:13:35,864 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:13:35,864 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:13:35,864 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:13:35,864 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:13:35,864 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:13:35,864 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:13:35,865 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:13:35,865 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:13:35,865 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:13:35,865 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 13:13:35,865 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:13:35,865 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:13:35,865 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:13:35,866 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:13:35,866 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_46598f36-f2ad-4227-a8a3-7098e7f158ed/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 -> 1c9e40c4fcbf0a2270c810eae17f30e2b9a539f72a78b9b7061997095813940b [2024-11-13 13:13:36,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:13:36,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:13:36,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:13:36,180 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:13:36,180 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:13:36,182 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound10.c Unable to find full path for "g++" [2024-11-13 13:13:38,143 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:13:38,375 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:13:38,375 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound10.c [2024-11-13 13:13:38,384 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/data/573fd863c/b9d6d19825354b16bc95abc87605221b/FLAGef937ed43 [2024-11-13 13:13:38,723 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/data/573fd863c/b9d6d19825354b16bc95abc87605221b [2024-11-13 13:13:38,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:13:38,726 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:13:38,727 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:13:38,727 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:13:38,730 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:13:38,731 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:13:38" (1/1) ... [2024-11-13 13:13:38,732 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5404f2c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:13:38, skipping insertion in model container [2024-11-13 13:13:38,732 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:13:38" (1/1) ... [2024-11-13 13:13:38,745 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:13:38,952 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:13:38,964 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:13:38,996 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:13:39,012 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:13:39,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:13:39 WrapperNode [2024-11-13 13:13:39,013 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:13:39,014 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:13:39,015 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:13:39,015 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:13:39,022 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:13:39" (1/1) ... [2024-11-13 13:13:39,029 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:13:39" (1/1) ... [2024-11-13 13:13:39,076 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 143 [2024-11-13 13:13:39,079 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:13:39,080 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:13:39,080 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:13:39,080 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:13:39,097 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:13:39" (1/1) ... [2024-11-13 13:13:39,097 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:13:39" (1/1) ... [2024-11-13 13:13:39,099 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:13:39" (1/1) ... [2024-11-13 13:13:39,113 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 13:13:39,114 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:13:39" (1/1) ... [2024-11-13 13:13:39,114 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:13:39" (1/1) ... [2024-11-13 13:13:39,118 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:13:39" (1/1) ... [2024-11-13 13:13:39,122 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:13:39" (1/1) ... [2024-11-13 13:13:39,126 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:13:39" (1/1) ... [2024-11-13 13:13:39,127 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:13:39" (1/1) ... [2024-11-13 13:13:39,130 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:13:39,135 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:13:39,135 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:13:39,135 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:13:39,136 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:13:39" (1/1) ... [2024-11-13 13:13:39,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:13:39,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:13:39,173 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:13:39,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:13:39,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:13:39,210 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 13:13:39,211 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 13:13:39,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 13:13:39,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:13:39,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:13:39,213 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 13:13:39,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 13:13:39,284 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:13:39,285 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:13:40,213 INFO L? ?]: Removed 91 outVars from TransFormulas that were not future-live. [2024-11-13 13:13:40,213 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:13:40,239 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:13:40,243 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 13:13:40,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:13:40 BoogieIcfgContainer [2024-11-13 13:13:40,243 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:13:40,246 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:13:40,246 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:13:40,252 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:13:40,252 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:13:38" (1/3) ... [2024-11-13 13:13:40,253 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bae6fc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:13:40, skipping insertion in model container [2024-11-13 13:13:40,253 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:13:39" (2/3) ... [2024-11-13 13:13:40,254 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bae6fc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:13:40, skipping insertion in model container [2024-11-13 13:13:40,254 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:13:40" (3/3) ... [2024-11-13 13:13:40,256 INFO L112 eAbstractionObserver]: Analyzing ICFG ps6-ll_valuebound10.c [2024-11-13 13:13:40,279 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:13:40,283 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG ps6-ll_valuebound10.c that has 3 procedures, 228 locations, 1 initial locations, 1 loop locations, and 102 error locations. [2024-11-13 13:13:40,372 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:13:40,386 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;@3fdb3706, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:13:40,386 INFO L334 AbstractCegarLoop]: Starting to check reachability of 102 error locations. [2024-11-13 13:13:40,391 INFO L276 IsEmpty]: Start isEmpty. Operand has 228 states, 118 states have (on average 1.9067796610169492) internal successors, (225), 220 states have internal predecessors, (225), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-13 13:13:40,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 13:13:40,400 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:40,400 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:13:40,401 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-13 13:13:40,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:40,406 INFO L85 PathProgramCache]: Analyzing trace with hash 4799040, now seen corresponding path program 1 times [2024-11-13 13:13:40,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:40,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419875074] [2024-11-13 13:13:40,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:40,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:40,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:40,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:13:40,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:40,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:13:40,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:40,612 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 13:13:40,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:40,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419875074] [2024-11-13 13:13:40,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419875074] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:40,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:40,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:13:40,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339867565] [2024-11-13 13:13:40,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:40,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 13:13:40,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:40,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 13:13:40,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:13:40,649 INFO L87 Difference]: Start difference. First operand has 228 states, 118 states have (on average 1.9067796610169492) internal successors, (225), 220 states have internal predecessors, (225), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) 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 13:13:40,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:40,690 INFO L93 Difference]: Finished difference Result 427 states and 470 transitions. [2024-11-13 13:13:40,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:13:40,692 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 13:13:40,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:40,699 INFO L225 Difference]: With dead ends: 427 [2024-11-13 13:13:40,699 INFO L226 Difference]: Without dead ends: 196 [2024-11-13 13:13:40,703 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 13:13:40,708 INFO L432 NwaCegarLoop]: 205 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, 205 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 13:13:40,708 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:13:40,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-13 13:13:40,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2024-11-13 13:13:40,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 113 states have (on average 1.6814159292035398) internal successors, (190), 189 states have internal predecessors, (190), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-13 13:13:40,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 198 transitions. [2024-11-13 13:13:40,782 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 198 transitions. Word has length 15 [2024-11-13 13:13:40,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:40,783 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 198 transitions. [2024-11-13 13:13:40,786 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 13:13:40,786 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 198 transitions. [2024-11-13 13:13:40,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 13:13:40,787 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:40,787 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:13:40,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 13:13:40,788 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-13 13:13:40,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:40,789 INFO L85 PathProgramCache]: Analyzing trace with hash 763118079, now seen corresponding path program 1 times [2024-11-13 13:13:40,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:40,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128698881] [2024-11-13 13:13:40,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:40,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:40,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:40,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:13:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:40,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:13:40,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:40,885 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 13:13:40,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:40,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128698881] [2024-11-13 13:13:40,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128698881] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:40,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:40,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:13:40,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617631027] [2024-11-13 13:13:40,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:40,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:13:40,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:40,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:13:40,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:13:40,888 INFO L87 Difference]: Start difference. First operand 196 states and 198 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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 13:13:41,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:41,495 INFO L93 Difference]: Finished difference Result 357 states and 365 transitions. [2024-11-13 13:13:41,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:13:41,496 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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 13:13:41,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:41,498 INFO L225 Difference]: With dead ends: 357 [2024-11-13 13:13:41,498 INFO L226 Difference]: Without dead ends: 293 [2024-11-13 13:13:41,498 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 13:13:41,499 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 98 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 314 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:41,500 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 139 Invalid, 314 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 13:13:41,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-11-13 13:13:41,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 287. [2024-11-13 13:13:41,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 203 states have (on average 1.4285714285714286) internal successors, (290), 279 states have internal predecessors, (290), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-13 13:13:41,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 300 transitions. [2024-11-13 13:13:41,528 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 300 transitions. Word has length 15 [2024-11-13 13:13:41,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:41,532 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 300 transitions. [2024-11-13 13:13:41,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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 13:13:41,532 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 300 transitions. [2024-11-13 13:13:41,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 13:13:41,535 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:41,535 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:13:41,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 13:13:41,536 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-13 13:13:41,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:41,537 INFO L85 PathProgramCache]: Analyzing trace with hash 59959941, now seen corresponding path program 1 times [2024-11-13 13:13:41,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:41,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735370779] [2024-11-13 13:13:41,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:41,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:41,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:41,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:13:41,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:41,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:13:41,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:41,778 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 13:13:41,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:41,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735370779] [2024-11-13 13:13:41,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735370779] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:41,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:41,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:13:41,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049999289] [2024-11-13 13:13:41,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:41,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:13:41,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:41,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:13:41,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:13:41,782 INFO L87 Difference]: Start difference. First operand 287 states and 300 transitions. Second operand has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 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 13:13:41,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:41,878 INFO L93 Difference]: Finished difference Result 311 states and 318 transitions. [2024-11-13 13:13:41,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:13:41,880 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 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 53 [2024-11-13 13:13:41,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:41,882 INFO L225 Difference]: With dead ends: 311 [2024-11-13 13:13:41,882 INFO L226 Difference]: Without dead ends: 304 [2024-11-13 13:13:41,883 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 13:13:41,884 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 68 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:41,886 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 361 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:13:41,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2024-11-13 13:13:41,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 286. [2024-11-13 13:13:41,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 286 states, 202 states have (on average 1.400990099009901) internal successors, (283), 278 states have internal predecessors, (283), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-13 13:13:41,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 293 transitions. [2024-11-13 13:13:41,914 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 293 transitions. Word has length 53 [2024-11-13 13:13:41,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:41,916 INFO L471 AbstractCegarLoop]: Abstraction has 286 states and 293 transitions. [2024-11-13 13:13:41,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 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 13:13:41,916 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 293 transitions. [2024-11-13 13:13:41,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-13 13:13:41,917 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:41,918 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:13:41,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 13:13:41,918 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-13 13:13:41,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:41,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1786932391, now seen corresponding path program 1 times [2024-11-13 13:13:41,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:41,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819370327] [2024-11-13 13:13:41,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:41,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:41,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:42,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:13:42,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:42,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:13:42,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:42,153 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 13:13:42,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:42,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819370327] [2024-11-13 13:13:42,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819370327] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:42,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:42,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:13:42,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897221023] [2024-11-13 13:13:42,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:42,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:13:42,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:42,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:13:42,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:13:42,155 INFO L87 Difference]: Start difference. First operand 286 states and 293 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 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 13:13:42,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:42,436 INFO L93 Difference]: Finished difference Result 306 states and 311 transitions. [2024-11-13 13:13:42,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:13:42,437 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 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 55 [2024-11-13 13:13:42,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:42,439 INFO L225 Difference]: With dead ends: 306 [2024-11-13 13:13:42,439 INFO L226 Difference]: Without dead ends: 263 [2024-11-13 13:13:42,439 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 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 13:13:42,440 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 151 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:42,443 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 286 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-13 13:13:42,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2024-11-13 13:13:42,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 245. [2024-11-13 13:13:42,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 161 states have (on average 1.4906832298136645) internal successors, (240), 237 states have internal predecessors, (240), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-13 13:13:42,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 250 transitions. [2024-11-13 13:13:42,469 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 250 transitions. Word has length 55 [2024-11-13 13:13:42,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:42,469 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 250 transitions. [2024-11-13 13:13:42,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 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 13:13:42,470 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 250 transitions. [2024-11-13 13:13:42,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-13 13:13:42,471 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:42,471 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:13:42,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-13 13:13:42,471 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-13 13:13:42,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:42,475 INFO L85 PathProgramCache]: Analyzing trace with hash 355206648, now seen corresponding path program 1 times [2024-11-13 13:13:42,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:42,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808400771] [2024-11-13 13:13:42,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:42,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:42,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:42,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:13:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:42,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:13:42,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:42,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 13:13:42,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:42,627 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 13:13:42,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:42,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808400771] [2024-11-13 13:13:42,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808400771] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:42,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:42,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:13:42,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536732179] [2024-11-13 13:13:42,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:42,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:13:42,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:42,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:13:42,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:13:42,630 INFO L87 Difference]: Start difference. First operand 245 states and 250 transitions. Second operand has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 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 13:13:42,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:42,657 INFO L93 Difference]: Finished difference Result 247 states and 250 transitions. [2024-11-13 13:13:42,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:13:42,658 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 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 13:13:42,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:42,662 INFO L225 Difference]: With dead ends: 247 [2024-11-13 13:13:42,662 INFO L226 Difference]: Without dead ends: 245 [2024-11-13 13:13:42,662 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 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 13:13:42,664 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 1 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:42,664 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 385 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:13:42,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2024-11-13 13:13:42,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 245. [2024-11-13 13:13:42,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 161 states have (on average 1.4782608695652173) internal successors, (238), 237 states have internal predecessors, (238), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-13 13:13:42,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 248 transitions. [2024-11-13 13:13:42,678 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 248 transitions. Word has length 63 [2024-11-13 13:13:42,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:42,678 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 248 transitions. [2024-11-13 13:13:42,679 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 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 13:13:42,679 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 248 transitions. [2024-11-13 13:13:42,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-13 13:13:42,680 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:42,680 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, 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 13:13:42,680 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-13 13:13:42,680 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-13 13:13:42,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:42,684 INFO L85 PathProgramCache]: Analyzing trace with hash 2106383317, now seen corresponding path program 1 times [2024-11-13 13:13:42,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:42,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386284612] [2024-11-13 13:13:42,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:42,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:42,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:13:42,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1225394829] [2024-11-13 13:13:42,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:42,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:13:42,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:13:42,734 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:13:42,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 13:13:42,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:42,814 INFO L255 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 13:13:42,820 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:13:42,999 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 13:13:43,000 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:13:43,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:43,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386284612] [2024-11-13 13:13:43,001 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:13:43,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1225394829] [2024-11-13 13:13:43,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1225394829] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:43,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:43,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:13:43,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299957423] [2024-11-13 13:13:43,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:43,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:13:43,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:43,004 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:13:43,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:13:43,004 INFO L87 Difference]: Start difference. First operand 245 states and 248 transitions. Second operand has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 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 13:13:43,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:43,683 INFO L93 Difference]: Finished difference Result 420 states and 433 transitions. [2024-11-13 13:13:43,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:13:43,684 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 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 68 [2024-11-13 13:13:43,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:43,687 INFO L225 Difference]: With dead ends: 420 [2024-11-13 13:13:43,687 INFO L226 Difference]: Without dead ends: 355 [2024-11-13 13:13:43,688 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:13:43,688 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 108 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:43,689 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 162 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 13:13:43,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2024-11-13 13:13:43,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 349. [2024-11-13 13:13:43,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 263 states have (on average 1.3460076045627376) internal successors, (354), 339 states have internal predecessors, (354), 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 13:13:43,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 368 transitions. [2024-11-13 13:13:43,703 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 368 transitions. Word has length 68 [2024-11-13 13:13:43,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:43,704 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 368 transitions. [2024-11-13 13:13:43,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 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 13:13:43,704 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 368 transitions. [2024-11-13 13:13:43,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-13 13:13:43,705 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:43,705 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, 1, 1, 1, 1, 1, 1, 1, 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 13:13:43,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 13:13:43,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:13:43,906 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-13 13:13:43,906 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:43,907 INFO L85 PathProgramCache]: Analyzing trace with hash -474023740, now seen corresponding path program 1 times [2024-11-13 13:13:43,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:43,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834274084] [2024-11-13 13:13:43,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:43,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:44,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:13:44,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:44,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:13:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:44,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 13:13:44,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:44,104 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 13:13:44,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:44,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834274084] [2024-11-13 13:13:44,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834274084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:44,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:44,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:13:44,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334959023] [2024-11-13 13:13:44,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:44,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:13:44,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:44,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:13:44,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:13:44,108 INFO L87 Difference]: Start difference. First operand 349 states and 368 transitions. Second operand has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 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 13:13:44,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:44,248 INFO L93 Difference]: Finished difference Result 350 states and 368 transitions. [2024-11-13 13:13:44,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:13:44,249 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 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 75 [2024-11-13 13:13:44,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:44,251 INFO L225 Difference]: With dead ends: 350 [2024-11-13 13:13:44,251 INFO L226 Difference]: Without dead ends: 349 [2024-11-13 13:13:44,251 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 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 13:13:44,252 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 55 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:44,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 319 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:13:44,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2024-11-13 13:13:44,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 349. [2024-11-13 13:13:44,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 263 states have (on average 1.3422053231939164) internal successors, (353), 339 states have internal predecessors, (353), 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 13:13:44,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 367 transitions. [2024-11-13 13:13:44,266 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 367 transitions. Word has length 75 [2024-11-13 13:13:44,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:44,266 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 367 transitions. [2024-11-13 13:13:44,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.0) internal successors, (66), 4 states have internal predecessors, (66), 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 13:13:44,266 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 367 transitions. [2024-11-13 13:13:44,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2024-11-13 13:13:44,267 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:44,267 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:13:44,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-13 13:13:44,268 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-13 13:13:44,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:44,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1809833891, now seen corresponding path program 1 times [2024-11-13 13:13:44,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:44,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317170601] [2024-11-13 13:13:44,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:44,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:44,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:44,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:13:44,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:44,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:13:44,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:44,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 13:13:44,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:44,429 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 13:13:44,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:44,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317170601] [2024-11-13 13:13:44,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317170601] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:13:44,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:13:44,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:13:44,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132558391] [2024-11-13 13:13:44,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:13:44,432 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:13:44,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:44,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:13:44,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:13:44,433 INFO L87 Difference]: Start difference. First operand 349 states and 367 transitions. Second operand has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 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 13:13:44,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:44,953 INFO L93 Difference]: Finished difference Result 350 states and 367 transitions. [2024-11-13 13:13:44,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:13:44,953 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 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 76 [2024-11-13 13:13:44,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:44,956 INFO L225 Difference]: With dead ends: 350 [2024-11-13 13:13:44,956 INFO L226 Difference]: Without dead ends: 349 [2024-11-13 13:13:44,957 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 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 13:13:44,957 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 47 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 350 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:44,958 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 350 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:13:44,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2024-11-13 13:13:44,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 349. [2024-11-13 13:13:44,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 263 states have (on average 1.338403041825095) internal successors, (352), 339 states have internal predecessors, (352), 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 13:13:44,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 366 transitions. [2024-11-13 13:13:44,973 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 366 transitions. Word has length 76 [2024-11-13 13:13:44,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:44,974 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 366 transitions. [2024-11-13 13:13:44,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.333333333333332) internal successors, (67), 4 states have internal predecessors, (67), 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 13:13:44,974 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 366 transitions. [2024-11-13 13:13:44,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-13 13:13:44,979 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:44,979 INFO L215 NwaCegarLoop]: trace histogram [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, 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] [2024-11-13 13:13:44,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-13 13:13:44,980 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-13 13:13:44,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:44,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1664862981, now seen corresponding path program 1 times [2024-11-13 13:13:44,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:44,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737887067] [2024-11-13 13:13:44,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:44,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:45,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:13:45,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [327976213] [2024-11-13 13:13:45,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:45,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:13:45,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:13:45,027 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:13:45,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 13:13:45,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:45,105 INFO L255 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 13:13:45,108 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:13:45,552 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:13:45,553 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:13:45,959 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:13:45,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:45,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737887067] [2024-11-13 13:13:45,960 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:13:45,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [327976213] [2024-11-13 13:13:45,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [327976213] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:13:45,960 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:13:45,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-13 13:13:45,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074246992] [2024-11-13 13:13:45,960 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 13:13:45,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 13:13:45,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:45,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 13:13:45,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:13:45,963 INFO L87 Difference]: Start difference. First operand 349 states and 366 transitions. Second operand has 8 states, 7 states have (on average 29.428571428571427) internal successors, (206), 8 states have internal predecessors, (206), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-13 13:13:47,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:13:47,761 INFO L93 Difference]: Finished difference Result 373 states and 384 transitions. [2024-11-13 13:13:47,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 13:13:47,762 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 29.428571428571427) internal successors, (206), 8 states have internal predecessors, (206), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 116 [2024-11-13 13:13:47,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:13:47,764 INFO L225 Difference]: With dead ends: 373 [2024-11-13 13:13:47,764 INFO L226 Difference]: Without dead ends: 364 [2024-11-13 13:13:47,765 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:13:47,765 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 342 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 1037 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 342 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 1056 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1037 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-13 13:13:47,765 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [342 Valid, 201 Invalid, 1056 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1037 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-13 13:13:47,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-11-13 13:13:47,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 353. [2024-11-13 13:13:47,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 270 states have (on average 1.3074074074074074) internal successors, (353), 343 states have internal predecessors, (353), 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 13:13:47,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 367 transitions. [2024-11-13 13:13:47,782 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 367 transitions. Word has length 116 [2024-11-13 13:13:47,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:13:47,783 INFO L471 AbstractCegarLoop]: Abstraction has 353 states and 367 transitions. [2024-11-13 13:13:47,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 29.428571428571427) internal successors, (206), 8 states have internal predecessors, (206), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-13 13:13:47,783 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 367 transitions. [2024-11-13 13:13:47,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-13 13:13:47,784 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:13:47,784 INFO L215 NwaCegarLoop]: trace histogram [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, 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 13:13:47,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 13:13:47,985 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:13:47,985 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-13 13:13:47,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:13:47,985 INFO L85 PathProgramCache]: Analyzing trace with hash -2089472729, now seen corresponding path program 1 times [2024-11-13 13:13:47,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:13:47,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020730790] [2024-11-13 13:13:47,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:47,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:13:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:13:48,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2141981347] [2024-11-13 13:13:48,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:13:48,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:13:48,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:13:48,030 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:13:48,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 13:13:48,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:13:48,110 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 13:13:48,113 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:13:48,606 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:13:48,607 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:13:50,546 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 4 proven. 38 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 13:13:50,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:13:50,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020730790] [2024-11-13 13:13:50,546 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:13:50,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141981347] [2024-11-13 13:13:50,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141981347] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:13:50,546 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:13:50,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2024-11-13 13:13:50,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74072145] [2024-11-13 13:13:50,547 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 13:13:50,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-13 13:13:50,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:13:50,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-13 13:13:50,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:13:50,548 INFO L87 Difference]: Start difference. First operand 353 states and 367 transitions. Second operand has 9 states, 8 states have (on average 26.25) internal successors, (210), 9 states have internal predecessors, (210), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-13 13:14:06,527 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 14.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:14:11,938 WARN L539 Checker$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 13:14:13,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:14:20,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.84s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:14:24,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:14:28,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:14:32,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:14:37,334 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.83s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:14:47,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:14:52,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:14:55,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.16s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:15:01,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:15:07,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.35s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:15:12,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.49s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:15:13,284 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:15:18,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:15:22,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:15:26,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:15:31,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.43s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:15:35,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:15:43,628 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.63s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:15:47,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:15:49,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:15:53,549 WARN L539 Checker$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 13:16:01,194 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.43s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:16:16,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 13.86s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:16:18,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:16:31,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:16:32,710 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:16:36,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:16:43,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.20s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:16:48,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:16:52,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:16:56,207 WARN L539 Checker$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 13:16:58,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:17:05,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:17:09,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:17:12,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.03s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:17:21,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.44s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:17:26,979 WARN L539 Checker$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 13:17:31,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:17:33,275 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:17:37,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:17:39,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:17:45,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:17:51,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.79s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:17:54,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.82s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:17:58,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:18:01,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.63s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:18:07,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:18:11,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:18:15,735 WARN L539 Checker$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 13:18:19,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:18:29,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-11-13 13:18:29,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:29,906 INFO L93 Difference]: Finished difference Result 364 states and 372 transitions. [2024-11-13 13:18:29,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:18:29,906 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 26.25) internal successors, (210), 9 states have internal predecessors, (210), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 118 [2024-11-13 13:18:29,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:29,908 INFO L225 Difference]: With dead ends: 364 [2024-11-13 13:18:29,908 INFO L226 Difference]: Without dead ends: 362 [2024-11-13 13:18:29,908 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=66, Invalid=90, Unknown=0, NotChecked=0, Total=156 [2024-11-13 13:18:29,909 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 232 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 829 mSolverCounterSat, 106 mSolverCounterUnsat, 40 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 278.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 829 IncrementalHoareTripleChecker+Invalid, 40 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 279.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:29,909 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [236 Valid, 117 Invalid, 975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 829 Invalid, 40 Unknown, 0 Unchecked, 279.0s Time] [2024-11-13 13:18:29,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-11-13 13:18:29,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 351. [2024-11-13 13:18:29,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 270 states have (on average 1.2925925925925925) internal successors, (349), 341 states have internal predecessors, (349), 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 13:18:29,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 363 transitions. [2024-11-13 13:18:29,924 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 363 transitions. Word has length 118 [2024-11-13 13:18:29,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:29,924 INFO L471 AbstractCegarLoop]: Abstraction has 351 states and 363 transitions. [2024-11-13 13:18:29,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 26.25) internal successors, (210), 9 states have internal predecessors, (210), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-13 13:18:29,925 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 363 transitions. [2024-11-13 13:18:29,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-13 13:18:29,926 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:29,926 INFO L215 NwaCegarLoop]: trace histogram [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, 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] [2024-11-13 13:18:29,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-13 13:18:30,126 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-13 13:18:30,127 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-13 13:18:30,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:30,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1852422536, now seen corresponding path program 1 times [2024-11-13 13:18:30,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:30,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383123228] [2024-11-13 13:18:30,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:30,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:30,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:30,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:18:30,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:30,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:18:30,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:30,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 13:18:30,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:30,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 13:18:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:30,345 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 13:18:30,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:30,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383123228] [2024-11-13 13:18:30,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383123228] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:18:30,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1206417776] [2024-11-13 13:18:30,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:30,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:18:30,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:18:30,349 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:18:30,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 13:18:30,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:30,426 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 13:18:30,432 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:18:30,636 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 13:18:30,636 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:18:30,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1206417776] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:30,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:18:30,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-13 13:18:30,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510542528] [2024-11-13 13:18:30,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:30,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:18:30,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:30,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:18:30,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:18:30,639 INFO L87 Difference]: Start difference. First operand 351 states and 363 transitions. Second operand has 4 states, 3 states have (on average 37.333333333333336) internal successors, (112), 4 states have internal predecessors, (112), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-13 13:18:30,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:30,670 INFO L93 Difference]: Finished difference Result 351 states and 363 transitions. [2024-11-13 13:18:30,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:18:30,671 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 37.333333333333336) internal successors, (112), 4 states have internal predecessors, (112), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 126 [2024-11-13 13:18:30,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:30,673 INFO L225 Difference]: With dead ends: 351 [2024-11-13 13:18:30,673 INFO L226 Difference]: Without dead ends: 350 [2024-11-13 13:18:30,674 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 133 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 13:18:30,674 INFO L432 NwaCegarLoop]: 232 mSDtfsCounter, 39 mSDsluCounter, 227 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:30,675 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 459 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:18:30,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2024-11-13 13:18:30,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 350. [2024-11-13 13:18:30,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 350 states, 270 states have (on average 1.2851851851851852) internal successors, (347), 340 states have internal predecessors, (347), 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 13:18:30,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 361 transitions. [2024-11-13 13:18:30,691 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 361 transitions. Word has length 126 [2024-11-13 13:18:30,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:30,692 INFO L471 AbstractCegarLoop]: Abstraction has 350 states and 361 transitions. [2024-11-13 13:18:30,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 37.333333333333336) internal successors, (112), 4 states have internal predecessors, (112), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-13 13:18:30,692 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 361 transitions. [2024-11-13 13:18:30,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-13 13:18:30,694 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:30,694 INFO L215 NwaCegarLoop]: trace histogram [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, 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 13:18:30,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-13 13:18:30,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-13 13:18:30,895 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-13 13:18:30,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:30,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1590523631, now seen corresponding path program 1 times [2024-11-13 13:18:30,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:30,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504498654] [2024-11-13 13:18:30,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:30,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:30,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:31,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:18:31,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:31,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:18:31,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:31,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 13:18:31,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:31,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 13:18:31,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:31,028 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 13:18:31,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:31,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504498654] [2024-11-13 13:18:31,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504498654] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:18:31,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [894716193] [2024-11-13 13:18:31,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:31,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:18:31,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:18:31,031 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:18:31,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 13:18:31,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:31,102 INFO L255 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 13:18:31,104 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:18:31,271 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 13:18:31,272 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:18:31,485 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 47 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 13:18:31,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [894716193] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:18:31,485 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:18:31,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-13 13:18:31,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161871158] [2024-11-13 13:18:31,486 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:18:31,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:18:31,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:31,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:18:31,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-13 13:18:31,488 INFO L87 Difference]: Start difference. First operand 350 states and 361 transitions. Second operand has 7 states, 6 states have (on average 44.166666666666664) internal successors, (265), 7 states have internal predecessors, (265), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-13 13:18:31,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:31,555 INFO L93 Difference]: Finished difference Result 532 states and 545 transitions. [2024-11-13 13:18:31,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:18:31,555 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 44.166666666666664) internal successors, (265), 7 states have internal predecessors, (265), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 127 [2024-11-13 13:18:31,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:31,559 INFO L225 Difference]: With dead ends: 532 [2024-11-13 13:18:31,559 INFO L226 Difference]: Without dead ends: 531 [2024-11-13 13:18:31,560 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 258 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 13:18:31,560 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 118 mSDsluCounter, 648 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 836 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:31,561 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 836 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:18:31,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2024-11-13 13:18:31,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 459. [2024-11-13 13:18:31,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 377 states have (on average 1.389920424403183) internal successors, (524), 447 states have internal predecessors, (524), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-13 13:18:31,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 542 transitions. [2024-11-13 13:18:31,582 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 542 transitions. Word has length 127 [2024-11-13 13:18:31,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:31,582 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 542 transitions. [2024-11-13 13:18:31,583 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 44.166666666666664) internal successors, (265), 7 states have internal predecessors, (265), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-13 13:18:31,583 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 542 transitions. [2024-11-13 13:18:31,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-13 13:18:31,584 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:31,584 INFO L215 NwaCegarLoop]: trace histogram [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, 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] [2024-11-13 13:18:31,606 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-13 13:18:31,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-13 13:18:31,785 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-13 13:18:31,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:31,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1140255573, now seen corresponding path program 1 times [2024-11-13 13:18:31,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:31,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210891999] [2024-11-13 13:18:31,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:31,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:31,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:18:31,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1692935616] [2024-11-13 13:18:31,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:31,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:18:31,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:18:31,815 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:18:31,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-13 13:18:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:31,894 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 13:18:31,896 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:18:32,074 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 13:18:32,075 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:18:32,431 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 13:18:32,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:32,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210891999] [2024-11-13 13:18:32,431 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:18:32,431 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1692935616] [2024-11-13 13:18:32,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1692935616] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:18:32,432 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:18:32,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2024-11-13 13:18:32,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2144922721] [2024-11-13 13:18:32,432 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 13:18:32,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 13:18:32,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:32,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 13:18:32,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:18:32,434 INFO L87 Difference]: Start difference. First operand 459 states and 542 transitions. Second operand has 8 states, 7 states have (on average 32.285714285714285) internal successors, (226), 8 states have internal predecessors, (226), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-13 13:18:33,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:33,448 INFO L93 Difference]: Finished difference Result 551 states and 621 transitions. [2024-11-13 13:18:33,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 13:18:33,449 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 32.285714285714285) internal successors, (226), 8 states have internal predecessors, (226), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 131 [2024-11-13 13:18:33,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:33,452 INFO L225 Difference]: With dead ends: 551 [2024-11-13 13:18:33,452 INFO L226 Difference]: Without dead ends: 486 [2024-11-13 13:18:33,453 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:18:33,453 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 465 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 920 mSolverCounterSat, 85 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 468 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 1005 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 85 IncrementalHoareTripleChecker+Valid, 920 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:33,454 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [468 Valid, 155 Invalid, 1005 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [85 Valid, 920 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 13:18:33,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2024-11-13 13:18:33,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 473. [2024-11-13 13:18:33,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 410 states have (on average 1.2121951219512195) internal successors, (497), 462 states have internal predecessors, (497), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-13 13:18:33,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 513 transitions. [2024-11-13 13:18:33,474 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 513 transitions. Word has length 131 [2024-11-13 13:18:33,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:33,474 INFO L471 AbstractCegarLoop]: Abstraction has 473 states and 513 transitions. [2024-11-13 13:18:33,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 32.285714285714285) internal successors, (226), 8 states have internal predecessors, (226), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-13 13:18:33,475 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 513 transitions. [2024-11-13 13:18:33,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-13 13:18:33,476 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:33,476 INFO L215 NwaCegarLoop]: trace histogram [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, 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] [2024-11-13 13:18:33,497 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-13 13:18:33,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-13 13:18:33,677 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-13 13:18:33,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:33,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1967304669, now seen corresponding path program 1 times [2024-11-13 13:18:33,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:33,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688791623] [2024-11-13 13:18:33,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:33,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:33,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:18:33,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [435344812] [2024-11-13 13:18:33,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:33,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:18:33,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:18:33,711 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:18:33,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-13 13:18:33,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:33,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 13:18:33,792 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:18:34,279 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 13:18:34,279 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:18:35,463 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 13:18:35,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:35,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688791623] [2024-11-13 13:18:35,464 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:18:35,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [435344812] [2024-11-13 13:18:35,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [435344812] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:18:35,464 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:18:35,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2024-11-13 13:18:35,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078742113] [2024-11-13 13:18:35,465 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 13:18:35,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-13 13:18:35,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:35,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-13 13:18:35,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2024-11-13 13:18:35,467 INFO L87 Difference]: Start difference. First operand 473 states and 513 transitions. Second operand has 11 states, 10 states have (on average 24.2) internal successors, (242), 11 states have internal predecessors, (242), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-13 13:18:41,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:41,743 INFO L93 Difference]: Finished difference Result 478 states and 518 transitions. [2024-11-13 13:18:41,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-13 13:18:41,744 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 24.2) internal successors, (242), 11 states have internal predecessors, (242), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 139 [2024-11-13 13:18:41,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:41,746 INFO L225 Difference]: With dead ends: 478 [2024-11-13 13:18:41,746 INFO L226 Difference]: Without dead ends: 477 [2024-11-13 13:18:41,747 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=110, Unknown=0, NotChecked=0, Total=182 [2024-11-13 13:18:41,747 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 303 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 1066 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 1109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1066 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:41,748 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 144 Invalid, 1109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1066 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2024-11-13 13:18:41,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2024-11-13 13:18:41,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 472. [2024-11-13 13:18:41,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 472 states, 410 states have (on average 1.2048780487804878) internal successors, (494), 461 states have internal predecessors, (494), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-13 13:18:41,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 510 transitions. [2024-11-13 13:18:41,770 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 510 transitions. Word has length 139 [2024-11-13 13:18:41,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:41,771 INFO L471 AbstractCegarLoop]: Abstraction has 472 states and 510 transitions. [2024-11-13 13:18:41,771 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 24.2) internal successors, (242), 11 states have internal predecessors, (242), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-13 13:18:41,771 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 510 transitions. [2024-11-13 13:18:41,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2024-11-13 13:18:41,773 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:41,773 INFO L215 NwaCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:18:41,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-13 13:18:41,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-13 13:18:41,974 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr98ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-13 13:18:41,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:41,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1386091008, now seen corresponding path program 1 times [2024-11-13 13:18:41,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:41,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240329232] [2024-11-13 13:18:41,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:41,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:42,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:18:42,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [462062042] [2024-11-13 13:18:42,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:42,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:18:42,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:18:42,009 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:18:42,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-13 13:18:42,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:42,084 INFO L255 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 13:18:42,086 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:18:42,606 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 13:18:42,606 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:18:43,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:43,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240329232] [2024-11-13 13:18:43,025 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:18:43,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [462062042] [2024-11-13 13:18:43,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [462062042] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:18:43,025 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:18:43,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-13 13:18:43,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007456440] [2024-11-13 13:18:43,025 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 13:18:43,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:18:43,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:43,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:18:43,027 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:18:43,027 INFO L87 Difference]: Start difference. First operand 472 states and 510 transitions. Second operand has 5 states, 4 states have (on average 38.5) internal successors, (154), 5 states have internal predecessors, (154), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-13 13:18:43,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:43,470 INFO L93 Difference]: Finished difference Result 472 states and 510 transitions. [2024-11-13 13:18:43,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:18:43,470 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 38.5) internal successors, (154), 5 states have internal predecessors, (154), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 173 [2024-11-13 13:18:43,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:43,473 INFO L225 Difference]: With dead ends: 472 [2024-11-13 13:18:43,473 INFO L226 Difference]: Without dead ends: 459 [2024-11-13 13:18:43,474 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:18:43,474 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 26 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:43,475 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 63 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:18:43,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2024-11-13 13:18:43,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 459. [2024-11-13 13:18:43,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 410 states have (on average 1.1560975609756097) internal successors, (474), 448 states have internal predecessors, (474), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-13 13:18:43,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 490 transitions. [2024-11-13 13:18:43,500 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 490 transitions. Word has length 173 [2024-11-13 13:18:43,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:43,501 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 490 transitions. [2024-11-13 13:18:43,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 38.5) internal successors, (154), 5 states have internal predecessors, (154), 3 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-13 13:18:43,501 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 490 transitions. [2024-11-13 13:18:43,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-13 13:18:43,503 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:43,503 INFO L215 NwaCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:18:43,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-13 13:18:43,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-13 13:18:43,704 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-13 13:18:43,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:43,705 INFO L85 PathProgramCache]: Analyzing trace with hash 19148541, now seen corresponding path program 1 times [2024-11-13 13:18:43,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:43,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353010277] [2024-11-13 13:18:43,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:43,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:43,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:18:43,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [687192670] [2024-11-13 13:18:43,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:43,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:18:43,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:18:43,745 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:18:43,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-13 13:18:43,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:43,839 INFO L255 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 13:18:43,842 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:18:44,534 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 13:18:44,534 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:18:45,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:45,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353010277] [2024-11-13 13:18:45,559 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:18:45,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687192670] [2024-11-13 13:18:45,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [687192670] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:18:45,559 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:18:45,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-13 13:18:45,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876589466] [2024-11-13 13:18:45,560 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 13:18:45,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:18:45,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:45,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:18:45,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:18:45,561 INFO L87 Difference]: Start difference. First operand 459 states and 490 transitions. Second operand has 6 states, 5 states have (on average 31.0) internal successors, (155), 6 states have internal predecessors, (155), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-13 13:18:46,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:46,167 INFO L93 Difference]: Finished difference Result 463 states and 494 transitions. [2024-11-13 13:18:46,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 13:18:46,168 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 31.0) internal successors, (155), 6 states have internal predecessors, (155), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 174 [2024-11-13 13:18:46,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:46,170 INFO L225 Difference]: With dead ends: 463 [2024-11-13 13:18:46,170 INFO L226 Difference]: Without dead ends: 417 [2024-11-13 13:18:46,171 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:18:46,172 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 2 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 598 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:46,172 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 134 Invalid, 598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 598 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-13 13:18:46,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2024-11-13 13:18:46,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 417. [2024-11-13 13:18:46,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 368 states have (on average 1.171195652173913) internal successors, (431), 406 states have internal predecessors, (431), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-13 13:18:46,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 447 transitions. [2024-11-13 13:18:46,195 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 447 transitions. Word has length 174 [2024-11-13 13:18:46,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:46,196 INFO L471 AbstractCegarLoop]: Abstraction has 417 states and 447 transitions. [2024-11-13 13:18:46,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 31.0) internal successors, (155), 6 states have internal predecessors, (155), 4 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-11-13 13:18:46,196 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 447 transitions. [2024-11-13 13:18:46,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-13 13:18:46,198 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:46,198 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-13 13:18:46,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-13 13:18:46,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-13 13:18:46,403 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-13 13:18:46,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:46,403 INFO L85 PathProgramCache]: Analyzing trace with hash -1935509866, now seen corresponding path program 1 times [2024-11-13 13:18:46,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:46,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956081032] [2024-11-13 13:18:46,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:46,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:46,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:18:46,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [346509136] [2024-11-13 13:18:46,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:46,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:18:46,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:18:46,453 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:18:46,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-13 13:18:46,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:46,545 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 13:18:46,548 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:18:47,138 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 13:18:47,139 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:18:47,829 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 0 proven. 141 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 13:18:47,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:47,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956081032] [2024-11-13 13:18:47,830 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:18:47,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346509136] [2024-11-13 13:18:47,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [346509136] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:18:47,830 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:18:47,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-13 13:18:47,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351149365] [2024-11-13 13:18:47,830 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 13:18:47,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 13:18:47,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:47,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 13:18:47,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:18:47,835 INFO L87 Difference]: Start difference. First operand 417 states and 447 transitions. Second operand has 12 states, 11 states have (on average 29.454545454545453) internal successors, (324), 12 states have internal predecessors, (324), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-13 13:18:50,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:50,663 INFO L93 Difference]: Finished difference Result 543 states and 593 transitions. [2024-11-13 13:18:50,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-13 13:18:50,664 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 29.454545454545453) internal successors, (324), 12 states have internal predecessors, (324), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 180 [2024-11-13 13:18:50,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:50,666 INFO L225 Difference]: With dead ends: 543 [2024-11-13 13:18:50,666 INFO L226 Difference]: Without dead ends: 537 [2024-11-13 13:18:50,667 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 362 GetRequests, 348 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2024-11-13 13:18:50,667 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 546 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 1533 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 548 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 1558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 1533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:50,668 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [548 Valid, 222 Invalid, 1558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 1533 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-13 13:18:50,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2024-11-13 13:18:50,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 467. [2024-11-13 13:18:50,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 421 states have (on average 1.171021377672209) internal successors, (493), 456 states have internal predecessors, (493), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-13 13:18:50,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 509 transitions. [2024-11-13 13:18:50,698 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 509 transitions. Word has length 180 [2024-11-13 13:18:50,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:50,699 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 509 transitions. [2024-11-13 13:18:50,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 29.454545454545453) internal successors, (324), 12 states have internal predecessors, (324), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-13 13:18:50,700 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 509 transitions. [2024-11-13 13:18:50,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2024-11-13 13:18:50,702 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:50,702 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:18:50,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-13 13:18:50,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-13 13:18:50,904 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-13 13:18:50,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:50,906 INFO L85 PathProgramCache]: Analyzing trace with hash -275116519, now seen corresponding path program 1 times [2024-11-13 13:18:50,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:50,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011107570] [2024-11-13 13:18:50,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:50,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:50,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:18:50,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [842925508] [2024-11-13 13:18:50,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:50,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:18:50,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:18:50,950 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:18:50,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-13 13:18:51,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:51,075 INFO L255 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 13:18:51,076 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:18:51,356 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 13:18:51,356 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:18:52,063 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-13 13:18:52,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:52,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011107570] [2024-11-13 13:18:52,063 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:18:52,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [842925508] [2024-11-13 13:18:52,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [842925508] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:18:52,063 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:18:52,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-13 13:18:52,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191763426] [2024-11-13 13:18:52,064 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 13:18:52,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-13 13:18:52,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:52,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-13 13:18:52,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2024-11-13 13:18:52,067 INFO L87 Difference]: Start difference. First operand 467 states and 509 transitions. Second operand has 10 states, 9 states have (on average 38.888888888888886) internal successors, (350), 10 states have internal predecessors, (350), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-13 13:18:53,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:53,120 INFO L93 Difference]: Finished difference Result 538 states and 579 transitions. [2024-11-13 13:18:53,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-13 13:18:53,121 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 38.888888888888886) internal successors, (350), 10 states have internal predecessors, (350), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 198 [2024-11-13 13:18:53,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:53,123 INFO L225 Difference]: With dead ends: 538 [2024-11-13 13:18:53,123 INFO L226 Difference]: Without dead ends: 506 [2024-11-13 13:18:53,124 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 396 GetRequests, 386 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:18:53,125 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 433 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 1281 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 436 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 1333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 1281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:53,125 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [436 Valid, 240 Invalid, 1333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 1281 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-13 13:18:53,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2024-11-13 13:18:53,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 453. [2024-11-13 13:18:53,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 421 states have (on average 1.0807600950118765) internal successors, (455), 442 states have internal predecessors, (455), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-13 13:18:53,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 471 transitions. [2024-11-13 13:18:53,169 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 471 transitions. Word has length 198 [2024-11-13 13:18:53,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:53,169 INFO L471 AbstractCegarLoop]: Abstraction has 453 states and 471 transitions. [2024-11-13 13:18:53,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 38.888888888888886) internal successors, (350), 10 states have internal predecessors, (350), 7 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-13 13:18:53,170 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 471 transitions. [2024-11-13 13:18:53,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2024-11-13 13:18:53,177 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:53,177 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:18:53,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-13 13:18:53,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-13 13:18:53,378 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr99ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-13 13:18:53,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:53,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1812389501, now seen corresponding path program 2 times [2024-11-13 13:18:53,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:53,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2001683482] [2024-11-13 13:18:53,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:53,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:53,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:18:53,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1549129826] [2024-11-13 13:18:53,422 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 13:18:53,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:18:53,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:18:53,425 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:18:53,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-13 13:18:53,500 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 13:18:53,500 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 13:18:53,501 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 13:18:53,505 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:18:54,641 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-11-13 13:18:54,641 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:18:54,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:54,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2001683482] [2024-11-13 13:18:54,642 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:18:54,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1549129826] [2024-11-13 13:18:54,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1549129826] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:18:54,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:18:54,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:18:54,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415124129] [2024-11-13 13:18:54,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:18:54,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 13:18:54,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:54,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 13:18:54,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:18:54,644 INFO L87 Difference]: Start difference. First operand 453 states and 471 transitions. Second operand has 5 states, 4 states have (on average 34.75) internal successors, (139), 5 states have internal predecessors, (139), 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 13:18:54,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:54,899 INFO L93 Difference]: Finished difference Result 453 states and 471 transitions. [2024-11-13 13:18:54,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:18:54,900 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 34.75) internal successors, (139), 5 states have internal predecessors, (139), 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 237 [2024-11-13 13:18:54,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:54,901 INFO L225 Difference]: With dead ends: 453 [2024-11-13 13:18:54,901 INFO L226 Difference]: Without dead ends: 402 [2024-11-13 13:18:54,901 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-11-13 13:18:54,902 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 84 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:54,902 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 49 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-13 13:18:54,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2024-11-13 13:18:54,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 402. [2024-11-13 13:18:54,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 377 states have (on average 1.063660477453581) internal successors, (401), 392 states have internal predecessors, (401), 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 13:18:54,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 415 transitions. [2024-11-13 13:18:54,925 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 415 transitions. Word has length 237 [2024-11-13 13:18:54,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:54,926 INFO L471 AbstractCegarLoop]: Abstraction has 402 states and 415 transitions. [2024-11-13 13:18:54,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 34.75) internal successors, (139), 5 states have internal predecessors, (139), 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 13:18:54,926 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 415 transitions. [2024-11-13 13:18:54,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2024-11-13 13:18:54,930 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:54,930 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:18:54,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-13 13:18:55,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:18:55,132 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-13 13:18:55,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:55,135 INFO L85 PathProgramCache]: Analyzing trace with hash 950881979, now seen corresponding path program 1 times [2024-11-13 13:18:55,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:55,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901755934] [2024-11-13 13:18:55,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:55,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:18:55,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1849996417] [2024-11-13 13:18:55,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:55,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:18:55,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:18:55,209 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:18:55,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-13 13:18:55,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:55,340 INFO L255 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 13:18:55,347 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:18:55,752 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 0 proven. 348 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 13:18:55,752 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:18:55,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:55,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901755934] [2024-11-13 13:18:55,890 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:18:55,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1849996417] [2024-11-13 13:18:55,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1849996417] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:18:55,891 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-13 13:18:55,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2024-11-13 13:18:55,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934944925] [2024-11-13 13:18:55,891 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-13 13:18:55,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 13:18:55,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:55,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 13:18:55,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:18:55,892 INFO L87 Difference]: Start difference. First operand 402 states and 415 transitions. Second operand has 7 states, 6 states have (on average 39.833333333333336) internal successors, (239), 7 states have internal predecessors, (239), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-13 13:18:56,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:56,469 INFO L93 Difference]: Finished difference Result 453 states and 468 transitions. [2024-11-13 13:18:56,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 13:18:56,470 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 39.833333333333336) internal successors, (239), 7 states have internal predecessors, (239), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 263 [2024-11-13 13:18:56,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:56,472 INFO L225 Difference]: With dead ends: 453 [2024-11-13 13:18:56,472 INFO L226 Difference]: Without dead ends: 448 [2024-11-13 13:18:56,472 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2024-11-13 13:18:56,473 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 88 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:56,473 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 120 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-13 13:18:56,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-11-13 13:18:56,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 428. [2024-11-13 13:18:56,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 428 states, 402 states have (on average 1.0572139303482586) internal successors, (425), 417 states have internal predecessors, (425), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-13 13:18:56,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 428 states and 441 transitions. [2024-11-13 13:18:56,498 INFO L78 Accepts]: Start accepts. Automaton has 428 states and 441 transitions. Word has length 263 [2024-11-13 13:18:56,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:56,499 INFO L471 AbstractCegarLoop]: Abstraction has 428 states and 441 transitions. [2024-11-13 13:18:56,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 39.833333333333336) internal successors, (239), 7 states have internal predecessors, (239), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-13 13:18:56,499 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 441 transitions. [2024-11-13 13:18:56,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2024-11-13 13:18:56,501 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:56,501 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:18:56,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-13 13:18:56,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:18:56,706 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-13 13:18:56,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:56,706 INFO L85 PathProgramCache]: Analyzing trace with hash -2132629403, now seen corresponding path program 1 times [2024-11-13 13:18:56,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:56,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715643725] [2024-11-13 13:18:56,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:56,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:56,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:18:56,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1815913793] [2024-11-13 13:18:56,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:56,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:18:56,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:18:56,767 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:18:56,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-13 13:18:56,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:56,915 INFO L255 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 13:18:56,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:18:57,305 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 0 proven. 386 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 13:18:57,305 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:18:58,243 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 0 proven. 386 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-13 13:18:58,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:58,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715643725] [2024-11-13 13:18:58,244 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:18:58,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1815913793] [2024-11-13 13:18:58,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1815913793] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:18:58,244 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:18:58,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 11 [2024-11-13 13:18:58,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51899600] [2024-11-13 13:18:58,244 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 13:18:58,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-13 13:18:58,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:18:58,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-13 13:18:58,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-13 13:18:58,247 INFO L87 Difference]: Start difference. First operand 428 states and 441 transitions. Second operand has 12 states, 11 states have (on average 44.54545454545455) internal successors, (490), 12 states have internal predecessors, (490), 9 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) [2024-11-13 13:18:59,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:18:59,379 INFO L93 Difference]: Finished difference Result 464 states and 472 transitions. [2024-11-13 13:18:59,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-13 13:18:59,384 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 44.54545454545455) internal successors, (490), 12 states have internal predecessors, (490), 9 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) Word has length 273 [2024-11-13 13:18:59,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:18:59,386 INFO L225 Difference]: With dead ends: 464 [2024-11-13 13:18:59,386 INFO L226 Difference]: Without dead ends: 418 [2024-11-13 13:18:59,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 546 GetRequests, 534 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2024-11-13 13:18:59,388 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 553 mSDsluCounter, 215 mSDsCounter, 0 mSdLazyCounter, 1582 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 554 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 1594 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:18:59,388 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [554 Valid, 271 Invalid, 1594 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1582 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-13 13:18:59,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2024-11-13 13:18:59,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 405. [2024-11-13 13:18:59,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 380 states have (on average 1.0394736842105263) internal successors, (395), 394 states have internal predecessors, (395), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-13 13:18:59,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 411 transitions. [2024-11-13 13:18:59,413 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 411 transitions. Word has length 273 [2024-11-13 13:18:59,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:18:59,414 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 411 transitions. [2024-11-13 13:18:59,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 44.54545454545455) internal successors, (490), 12 states have internal predecessors, (490), 9 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) [2024-11-13 13:18:59,414 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 411 transitions. [2024-11-13 13:18:59,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2024-11-13 13:18:59,416 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:18:59,416 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:18:59,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-13 13:18:59,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:18:59,620 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-13 13:18:59,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:18:59,621 INFO L85 PathProgramCache]: Analyzing trace with hash 119593361, now seen corresponding path program 2 times [2024-11-13 13:18:59,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:18:59,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040981137] [2024-11-13 13:18:59,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:18:59,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:18:59,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:59,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 13:18:59,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:59,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-13 13:18:59,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:59,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-13 13:18:59,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:59,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-13 13:18:59,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:59,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-13 13:18:59,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:59,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2024-11-13 13:18:59,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:59,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2024-11-13 13:18:59,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:18:59,942 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-13 13:18:59,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:18:59,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040981137] [2024-11-13 13:18:59,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040981137] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 13:18:59,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1411179257] [2024-11-13 13:18:59,943 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 13:18:59,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:18:59,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:18:59,946 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:18:59,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-13 13:19:00,021 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 13:19:00,021 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 13:19:00,022 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 13:19:00,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:19:00,540 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-13 13:19:00,541 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:19:01,144 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-13 13:19:01,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1411179257] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:19:01,144 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-13 13:19:01,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-13 13:19:01,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033530290] [2024-11-13 13:19:01,145 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-13 13:19:01,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 13:19:01,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:19:01,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 13:19:01,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-13 13:19:01,148 INFO L87 Difference]: Start difference. First operand 405 states and 411 transitions. Second operand has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 states have internal predecessors, (133), 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 13:19:01,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:19:01,206 INFO L93 Difference]: Finished difference Result 405 states and 411 transitions. [2024-11-13 13:19:01,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 13:19:01,207 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 states have internal predecessors, (133), 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 316 [2024-11-13 13:19:01,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:19:01,210 INFO L225 Difference]: With dead ends: 405 [2024-11-13 13:19:01,210 INFO L226 Difference]: Without dead ends: 404 [2024-11-13 13:19:01,211 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 649 GetRequests, 643 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-13 13:19:01,212 INFO L432 NwaCegarLoop]: 120 mSDtfsCounter, 208 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-13 13:19:01,213 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 301 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:19:01,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-11-13 13:19:01,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2024-11-13 13:19:01,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 380 states have (on average 1.0368421052631578) internal successors, (394), 393 states have internal predecessors, (394), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-13 13:19:01,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 410 transitions. [2024-11-13 13:19:01,241 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 410 transitions. Word has length 316 [2024-11-13 13:19:01,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:19:01,242 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 410 transitions. [2024-11-13 13:19:01,243 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 states have internal predecessors, (133), 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 13:19:01,243 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 410 transitions. [2024-11-13 13:19:01,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2024-11-13 13:19:01,245 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:19:01,246 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:19:01,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-13 13:19:01,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:19:01,447 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-13 13:19:01,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:19:01,447 INFO L85 PathProgramCache]: Analyzing trace with hash 507711291, now seen corresponding path program 2 times [2024-11-13 13:19:01,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:19:01,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972648669] [2024-11-13 13:19:01,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:19:01,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:19:01,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:19:01,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2126548386] [2024-11-13 13:19:01,497 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 13:19:01,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:19:01,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:19:01,500 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:19:01,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-13 13:19:01,595 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-13 13:19:01,595 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-13 13:19:01,596 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 13:19:01,600 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:19:01,792 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 490 trivial. 0 not checked. [2024-11-13 13:19:01,793 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:19:01,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:19:01,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972648669] [2024-11-13 13:19:01,793 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:19:01,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2126548386] [2024-11-13 13:19:01,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2126548386] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:19:01,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:19:01,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:19:01,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650097577] [2024-11-13 13:19:01,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:19:01,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:19:01,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:19:01,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:19:01,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:19:01,797 INFO L87 Difference]: Start difference. First operand 404 states and 410 transitions. Second operand has 4 states, 3 states have (on average 33.666666666666664) internal successors, (101), 4 states have internal predecessors, (101), 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 13:19:02,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:19:02,187 INFO L93 Difference]: Finished difference Result 404 states and 410 transitions. [2024-11-13 13:19:02,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:19:02,188 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 33.666666666666664) internal successors, (101), 4 states have internal predecessors, (101), 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 326 [2024-11-13 13:19:02,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:19:02,189 INFO L225 Difference]: With dead ends: 404 [2024-11-13 13:19:02,189 INFO L226 Difference]: Without dead ends: 399 [2024-11-13 13:19:02,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 323 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 13:19:02,191 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 74 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-13 13:19:02,191 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 48 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-13 13:19:02,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2024-11-13 13:19:02,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 399. [2024-11-13 13:19:02,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 380 states have (on average 1.0236842105263158) internal successors, (389), 388 states have internal predecessors, (389), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-13 13:19:02,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 405 transitions. [2024-11-13 13:19:02,217 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 405 transitions. Word has length 326 [2024-11-13 13:19:02,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:19:02,218 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 405 transitions. [2024-11-13 13:19:02,218 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 33.666666666666664) internal successors, (101), 4 states have internal predecessors, (101), 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 13:19:02,219 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 405 transitions. [2024-11-13 13:19:02,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2024-11-13 13:19:02,222 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:19:02,222 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:19:02,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-13 13:19:02,422 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:19:02,423 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-13 13:19:02,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:19:02,424 INFO L85 PathProgramCache]: Analyzing trace with hash -13333207, now seen corresponding path program 1 times [2024-11-13 13:19:02,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:19:02,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544999155] [2024-11-13 13:19:02,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:19:02,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:19:02,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:19:02,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1724775944] [2024-11-13 13:19:02,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:19:02,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:19:02,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:19:02,503 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:19:02,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-13 13:19:02,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:19:02,664 INFO L255 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-13 13:19:02,669 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:19:03,211 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-13 13:19:03,211 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-13 13:19:04,809 INFO L134 CoverageAnalysis]: Checked inductivity of 694 backedges. 0 proven. 650 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-13 13:19:04,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:19:04,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544999155] [2024-11-13 13:19:04,809 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-13 13:19:04,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724775944] [2024-11-13 13:19:04,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1724775944] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-13 13:19:04,810 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-13 13:19:04,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-13 13:19:04,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885309417] [2024-11-13 13:19:04,810 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-13 13:19:04,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-13 13:19:04,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:19:04,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-13 13:19:04,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2024-11-13 13:19:04,813 INFO L87 Difference]: Start difference. First operand 399 states and 405 transitions. Second operand has 14 states, 13 states have (on average 47.23076923076923) internal successors, (614), 14 states have internal predecessors, (614), 11 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) [2024-11-13 13:19:07,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:19:07,983 INFO L93 Difference]: Finished difference Result 923 states and 975 transitions. [2024-11-13 13:19:07,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-13 13:19:07,984 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 47.23076923076923) internal successors, (614), 14 states have internal predecessors, (614), 11 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) Word has length 340 [2024-11-13 13:19:07,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:19:07,987 INFO L225 Difference]: With dead ends: 923 [2024-11-13 13:19:07,987 INFO L226 Difference]: Without dead ends: 693 [2024-11-13 13:19:07,987 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 683 GetRequests, 666 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=131, Invalid=211, Unknown=0, NotChecked=0, Total=342 [2024-11-13 13:19:07,988 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 1151 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 2510 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1152 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 2559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 2510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-13 13:19:07,989 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1152 Valid, 458 Invalid, 2559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 2510 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-13 13:19:07,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2024-11-13 13:19:08,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 688. [2024-11-13 13:19:08,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 688 states, 671 states have (on average 1.0104321907600595) internal successors, (678), 672 states have internal predecessors, (678), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-13 13:19:08,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 704 transitions. [2024-11-13 13:19:08,041 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 704 transitions. Word has length 340 [2024-11-13 13:19:08,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:19:08,042 INFO L471 AbstractCegarLoop]: Abstraction has 688 states and 704 transitions. [2024-11-13 13:19:08,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 47.23076923076923) internal successors, (614), 14 states have internal predecessors, (614), 11 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) [2024-11-13 13:19:08,042 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 704 transitions. [2024-11-13 13:19:08,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2024-11-13 13:19:08,044 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:19:08,045 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:19:08,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-13 13:19:08,249 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:19:08,249 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-13 13:19:08,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:19:08,250 INFO L85 PathProgramCache]: Analyzing trace with hash -1530563050, now seen corresponding path program 2 times [2024-11-13 13:19:08,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:19:08,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275828569] [2024-11-13 13:19:08,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:19:08,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:19:08,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 13:19:08,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [399945088] [2024-11-13 13:19:08,303 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 13:19:08,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:19:08,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:19:08,306 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:19:08,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-13 13:19:08,494 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-13 13:19:08,494 INFO L228 tOrderPrioritization]: Conjunction of SSA is unknown [2024-11-13 13:19:08,496 WARN L124 FreeRefinementEngine]: Strategy CAMEL was unsuccessful and could not determine trace feasibility [2024-11-13 13:19:08,496 INFO L325 BasicCegarLoop]: Counterexample might be feasible [2024-11-13 13:19:08,505 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (101 of 102 remaining) [2024-11-13 13:19:08,508 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (100 of 102 remaining) [2024-11-13 13:19:08,509 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (99 of 102 remaining) [2024-11-13 13:19:08,509 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (98 of 102 remaining) [2024-11-13 13:19:08,509 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (97 of 102 remaining) [2024-11-13 13:19:08,509 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (96 of 102 remaining) [2024-11-13 13:19:08,509 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (95 of 102 remaining) [2024-11-13 13:19:08,509 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (94 of 102 remaining) [2024-11-13 13:19:08,509 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (93 of 102 remaining) [2024-11-13 13:19:08,510 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (92 of 102 remaining) [2024-11-13 13:19:08,510 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (91 of 102 remaining) [2024-11-13 13:19:08,510 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (90 of 102 remaining) [2024-11-13 13:19:08,510 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (89 of 102 remaining) [2024-11-13 13:19:08,510 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (88 of 102 remaining) [2024-11-13 13:19:08,510 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (87 of 102 remaining) [2024-11-13 13:19:08,511 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (86 of 102 remaining) [2024-11-13 13:19:08,511 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (85 of 102 remaining) [2024-11-13 13:19:08,511 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (84 of 102 remaining) [2024-11-13 13:19:08,511 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (83 of 102 remaining) [2024-11-13 13:19:08,511 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (82 of 102 remaining) [2024-11-13 13:19:08,511 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (81 of 102 remaining) [2024-11-13 13:19:08,511 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (80 of 102 remaining) [2024-11-13 13:19:08,512 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (79 of 102 remaining) [2024-11-13 13:19:08,512 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (78 of 102 remaining) [2024-11-13 13:19:08,512 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (77 of 102 remaining) [2024-11-13 13:19:08,512 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (76 of 102 remaining) [2024-11-13 13:19:08,512 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (75 of 102 remaining) [2024-11-13 13:19:08,512 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (74 of 102 remaining) [2024-11-13 13:19:08,512 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (73 of 102 remaining) [2024-11-13 13:19:08,513 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (72 of 102 remaining) [2024-11-13 13:19:08,513 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (71 of 102 remaining) [2024-11-13 13:19:08,513 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (70 of 102 remaining) [2024-11-13 13:19:08,513 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (69 of 102 remaining) [2024-11-13 13:19:08,513 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (68 of 102 remaining) [2024-11-13 13:19:08,513 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (67 of 102 remaining) [2024-11-13 13:19:08,514 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (66 of 102 remaining) [2024-11-13 13:19:08,514 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (65 of 102 remaining) [2024-11-13 13:19:08,514 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (64 of 102 remaining) [2024-11-13 13:19:08,514 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (63 of 102 remaining) [2024-11-13 13:19:08,514 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (62 of 102 remaining) [2024-11-13 13:19:08,514 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 102 remaining) [2024-11-13 13:19:08,514 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 102 remaining) [2024-11-13 13:19:08,515 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 102 remaining) [2024-11-13 13:19:08,515 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 102 remaining) [2024-11-13 13:19:08,515 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 102 remaining) [2024-11-13 13:19:08,515 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 102 remaining) [2024-11-13 13:19:08,515 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 102 remaining) [2024-11-13 13:19:08,515 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 102 remaining) [2024-11-13 13:19:08,515 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 102 remaining) [2024-11-13 13:19:08,515 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 102 remaining) [2024-11-13 13:19:08,516 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 102 remaining) [2024-11-13 13:19:08,516 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 102 remaining) [2024-11-13 13:19:08,516 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 102 remaining) [2024-11-13 13:19:08,516 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 102 remaining) [2024-11-13 13:19:08,516 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 102 remaining) [2024-11-13 13:19:08,516 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 102 remaining) [2024-11-13 13:19:08,516 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 102 remaining) [2024-11-13 13:19:08,517 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 102 remaining) [2024-11-13 13:19:08,517 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 102 remaining) [2024-11-13 13:19:08,517 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 102 remaining) [2024-11-13 13:19:08,517 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 102 remaining) [2024-11-13 13:19:08,517 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 102 remaining) [2024-11-13 13:19:08,517 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 102 remaining) [2024-11-13 13:19:08,517 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 102 remaining) [2024-11-13 13:19:08,518 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 102 remaining) [2024-11-13 13:19:08,518 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr65ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 102 remaining) [2024-11-13 13:19:08,518 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 102 remaining) [2024-11-13 13:19:08,518 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 102 remaining) [2024-11-13 13:19:08,518 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr68ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 102 remaining) [2024-11-13 13:19:08,518 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr69ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 102 remaining) [2024-11-13 13:19:08,518 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 102 remaining) [2024-11-13 13:19:08,519 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr71ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 102 remaining) [2024-11-13 13:19:08,519 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 102 remaining) [2024-11-13 13:19:08,519 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 102 remaining) [2024-11-13 13:19:08,519 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr74ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 102 remaining) [2024-11-13 13:19:08,519 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr75ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 102 remaining) [2024-11-13 13:19:08,519 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 102 remaining) [2024-11-13 13:19:08,519 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 102 remaining) [2024-11-13 13:19:08,519 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 102 remaining) [2024-11-13 13:19:08,519 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 102 remaining) [2024-11-13 13:19:08,519 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 102 remaining) [2024-11-13 13:19:08,519 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 102 remaining) [2024-11-13 13:19:08,519 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 102 remaining) [2024-11-13 13:19:08,519 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 102 remaining) [2024-11-13 13:19:08,520 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 102 remaining) [2024-11-13 13:19:08,520 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 102 remaining) [2024-11-13 13:19:08,520 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr86ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 102 remaining) [2024-11-13 13:19:08,520 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr87ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 102 remaining) [2024-11-13 13:19:08,520 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr88ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 102 remaining) [2024-11-13 13:19:08,520 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr89ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 102 remaining) [2024-11-13 13:19:08,520 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr90ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 102 remaining) [2024-11-13 13:19:08,520 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr91ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 102 remaining) [2024-11-13 13:19:08,520 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr92ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 102 remaining) [2024-11-13 13:19:08,520 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr93ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 102 remaining) [2024-11-13 13:19:08,520 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr94ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 102 remaining) [2024-11-13 13:19:08,520 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr95ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 102 remaining) [2024-11-13 13:19:08,520 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr96ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 102 remaining) [2024-11-13 13:19:08,520 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr97ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 102 remaining) [2024-11-13 13:19:08,520 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr98ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 102 remaining) [2024-11-13 13:19:08,521 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr99ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 102 remaining) [2024-11-13 13:19:08,521 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr100ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 102 remaining) [2024-11-13 13:19:08,521 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr101ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 102 remaining) [2024-11-13 13:19:08,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-13 13:19:08,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:19:08,729 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:19:08,754 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-13 13:19:08,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.11 01:19:08 BoogieIcfgContainer [2024-11-13 13:19:08,759 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-13 13:19:08,760 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:19:08,760 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:19:08,760 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:19:08,761 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:13:40" (3/4) ... [2024-11-13 13:19:08,764 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 13:19:08,765 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:19:08,766 INFO L158 Benchmark]: Toolchain (without parser) took 330039.52ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 92.5MB in the beginning and 69.1MB in the end (delta: 23.4MB). Peak memory consumption was 84.1MB. Max. memory is 16.1GB. [2024-11-13 13:19:08,766 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 39.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:19:08,766 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.48ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 81.1MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:19:08,767 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.82ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 79.1MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:19:08,767 INFO L158 Benchmark]: Boogie Preprocessor took 54.17ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 77.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:19:08,767 INFO L158 Benchmark]: RCFGBuilder took 1108.91ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 45.5MB in the end (delta: 31.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 13:19:08,767 INFO L158 Benchmark]: TraceAbstraction took 328513.18ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 44.6MB in the beginning and 69.1MB in the end (delta: -24.5MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. [2024-11-13 13:19:08,768 INFO L158 Benchmark]: Witness Printer took 5.28ms. Allocated memory is still 176.2MB. Free memory was 69.1MB in the beginning and 69.1MB in the end (delta: 22.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:19:08,769 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory is still 39.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 286.48ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 81.1MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.82ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 79.1MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.17ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 77.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1108.91ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 45.5MB in the end (delta: 31.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 328513.18ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 44.6MB in the beginning and 69.1MB in the end (delta: -24.5MB). Peak memory consumption was 42.2MB. Max. memory is 16.1GB. * Witness Printer took 5.28ms. Allocated memory is still 176.2MB. Free memory was 69.1MB in the beginning and 69.1MB in the end (delta: 22.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: unable to decide satisfiability of path constraint. Possible FailurePath: [L18] short k; [L19] long long y, x, c; [L20] k = __VERIFIER_nondet_short() [L21] CALL assume_abort_if_not(k>=0 && k<=10) [L7] COND FALSE !(!cond) [L21] RET assume_abort_if_not(k>=0 && k<=10) [L22] CALL assume_abort_if_not(k <= 256) [L7] COND FALSE !(!cond) [L22] RET assume_abort_if_not(k <= 256) [L24] y = 0 [L25] x = 0 [L26] c = 0 [L28] COND TRUE 1 [L29] EXPR -2*y [L29] EXPR -2*y*y [L29] EXPR -2*y*y*y [L29] EXPR -2*y*y*y*y [L29] EXPR -2*y*y*y*y*y [L29] EXPR -2*y*y*y*y*y*y [L29] EXPR 6 * y [L29] EXPR 6 * y*y [L29] EXPR 6 * y*y*y [L29] EXPR 6 * y*y*y*y [L29] EXPR 6 * y*y*y*y*y [L29] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y [L29] EXPR 5 * y [L29] EXPR 5 * y*y [L29] EXPR 5 * y*y*y [L29] EXPR 5 * y*y*y*y [L29] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y [L29] EXPR y*y [L29] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y [L29] EXPR 12*x [L29] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x [L29] CALL __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) [L10] COND FALSE !(!(cond)) [L29] RET __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) [L31] COND FALSE !(!(c < k)) [L34] EXPR c + 1 [L34] c = c + 1 [L35] EXPR y + 1 [L35] y = y + 1 [L36] EXPR y * y [L36] EXPR y * y * y [L36] EXPR y * y * y * y [L36] EXPR y * y * y * y * y [L36] EXPR y * y * y * y * y + x [L36] x = y * y * y * y * y + x [L28] COND TRUE 1 [L29] EXPR -2*y [L29] EXPR -2*y*y [L29] EXPR -2*y*y*y [L29] EXPR -2*y*y*y*y [L29] EXPR -2*y*y*y*y*y [L29] EXPR -2*y*y*y*y*y*y [L29] EXPR 6 * y [L29] EXPR 6 * y*y [L29] EXPR 6 * y*y*y [L29] EXPR 6 * y*y*y*y [L29] EXPR 6 * y*y*y*y*y [L29] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y [L29] EXPR 5 * y [L29] EXPR 5 * y*y [L29] EXPR 5 * y*y*y [L29] EXPR 5 * y*y*y*y [L29] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y [L29] EXPR y*y [L29] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y [L29] EXPR 12*x [L29] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x [L29] CALL __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) [L10] COND FALSE !(!(cond)) [L29] RET __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) [L31] COND FALSE !(!(c < k)) [L34] EXPR c + 1 [L34] c = c + 1 [L35] EXPR y + 1 [L35] y = y + 1 [L36] EXPR y * y [L36] EXPR y * y * y [L36] EXPR y * y * y * y [L36] EXPR y * y * y * y * y [L36] EXPR y * y * y * y * y + x [L36] x = y * y * y * y * y + x [L28] COND TRUE 1 [L29] EXPR -2*y [L29] EXPR -2*y*y [L29] EXPR -2*y*y*y [L29] EXPR -2*y*y*y*y [L29] EXPR -2*y*y*y*y*y [L29] EXPR -2*y*y*y*y*y*y [L29] EXPR 6 * y [L29] EXPR 6 * y*y [L29] EXPR 6 * y*y*y [L29] EXPR 6 * y*y*y*y [L29] EXPR 6 * y*y*y*y*y [L29] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y [L29] EXPR 5 * y [L29] EXPR 5 * y*y [L29] EXPR 5 * y*y*y [L29] EXPR 5 * y*y*y*y [L29] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y [L29] EXPR y*y [L29] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y [L29] EXPR 12*x [L29] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x [L29] CALL __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) [L10] COND FALSE !(!(cond)) [L29] RET __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) [L31] COND FALSE !(!(c < k)) [L34] EXPR c + 1 [L34] c = c + 1 [L35] EXPR y + 1 [L35] y = y + 1 [L36] EXPR y * y [L36] EXPR y * y * y [L36] EXPR y * y * y * y [L36] EXPR y * y * y * y * y [L36] EXPR y * y * y * y * y + x [L36] x = y * y * y * y * y + x [L28] COND TRUE 1 [L29] EXPR -2*y [L29] EXPR -2*y*y [L29] EXPR -2*y*y*y [L29] EXPR -2*y*y*y*y [L29] EXPR -2*y*y*y*y*y [L29] EXPR -2*y*y*y*y*y*y [L29] EXPR 6 * y [L29] EXPR 6 * y*y [L29] EXPR 6 * y*y*y [L29] EXPR 6 * y*y*y*y [L29] EXPR 6 * y*y*y*y*y [L29] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y [L29] EXPR 5 * y [L29] EXPR 5 * y*y [L29] EXPR 5 * y*y*y [L29] EXPR 5 * y*y*y*y [L29] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y [L29] EXPR y*y [L29] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y [L29] EXPR 12*x [L29] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x [L29] CALL __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) [L10] COND FALSE !(!(cond)) [L29] RET __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) [L31] COND FALSE !(!(c < k)) [L34] EXPR c + 1 [L34] c = c + 1 [L35] EXPR y + 1 [L35] y = y + 1 [L36] EXPR y * y [L36] EXPR y * y * y [L36] EXPR y * y * y * y [L36] EXPR y * y * y * y * y [L36] EXPR y * y * y * y * y + x [L36] x = y * y * y * y * y + x [L28] COND TRUE 1 [L29] EXPR -2*y [L29] EXPR -2*y*y [L29] EXPR -2*y*y*y [L29] EXPR -2*y*y*y*y [L29] EXPR -2*y*y*y*y*y [L29] EXPR -2*y*y*y*y*y*y [L29] EXPR 6 * y [L29] EXPR 6 * y*y [L29] EXPR 6 * y*y*y [L29] EXPR 6 * y*y*y*y [L29] EXPR 6 * y*y*y*y*y [L29] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y [L29] EXPR 5 * y [L29] EXPR 5 * y*y [L29] EXPR 5 * y*y*y [L29] EXPR 5 * y*y*y*y [L29] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y [L29] EXPR y*y [L29] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y [L29] EXPR 12*x [L29] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x [L29] CALL __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) [L10] COND FALSE !(!(cond)) [L29] RET __VERIFIER_assert(-2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y + 12*x == 0) [L31] COND FALSE !(!(c < k)) [L34] EXPR c + 1 [L34] c = c + 1 [L35] EXPR y + 1 [L35] y = y + 1 [L36] EXPR y * y [L36] EXPR y * y * y [L36] EXPR y * y * y * y [L36] EXPR y * y * y * y * y [L36] EXPR y * y * y * y * y + x [L36] x = y * y * y * y * y + x [L28] COND TRUE 1 [L29] EXPR -2*y [L29] EXPR -2*y*y [L29] EXPR -2*y*y*y [L29] EXPR -2*y*y*y*y [L29] EXPR -2*y*y*y*y*y [L29] EXPR -2*y*y*y*y*y*y [L29] EXPR 6 * y [L29] EXPR 6 * y*y [L29] EXPR 6 * y*y*y [L29] EXPR 6 * y*y*y*y [L29] EXPR 6 * y*y*y*y*y [L29] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y [L29] EXPR 5 * y [L29] EXPR 5 * y*y [L29] EXPR 5 * y*y*y [L29] EXPR 5 * y*y*y*y [L29] EXPR -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y [L29] EXPR y*y [L29] -2*y*y*y*y*y*y - 6 * y*y*y*y*y - 5 * y*y*y*y + y*y [L29] 12*x - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 29]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 34]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 35]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 36]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 39]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 40]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 40]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 40]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 40]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 228 locations, 102 error locations. Started 1 CEGAR loops. OverallTime: 328.4s, OverallIterations: 25, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.1s, AutomataDifference: 301.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 40 mSolverCounterUnknown, 5216 SdHoareTripleChecker+Valid, 299.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5192 mSDsluCounter, 6025 SdHoareTripleChecker+Invalid, 297.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3732 mSDsCounter, 561 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13830 IncrementalHoareTripleChecker+Invalid, 14431 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 561 mSolverCounterUnsat, 2293 mSDtfsCounter, 13830 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5515 GetRequests, 5371 SyntacticMatches, 0 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=688occurred in iteration=24, InterpolantAutomatonStates: 151, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 24 MinimizatonAttempts, 321 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 19.2s InterpolantComputationTime, 7700 NumberOfCodeBlocks, 7007 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 6127 ConstructedInterpolants, 8 QuantifiedInterpolants, 56379 SizeOfPredicates, 5 NumberOfNonLiveVariables, 3498 ConjunctsInSsa, 124 ConjunctsInUnsatCore, 37 InterpolantComputations, 11 PerfectInterpolantSequences, 2959/6680 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 13:19:08,802 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/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_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound10.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/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 1c9e40c4fcbf0a2270c810eae17f30e2b9a539f72a78b9b7061997095813940b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:19:11,902 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:19:12,037 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2024-11-13 13:19:12,044 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:19:12,044 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:19:12,071 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:19:12,072 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:19:12,072 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:19:12,072 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:19:12,073 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:19:12,073 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 13:19:12,073 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 13:19:12,073 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:19:12,074 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:19:12,074 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:19:12,074 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:19:12,074 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 13:19:12,074 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:19:12,075 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:19:12,075 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:19:12,075 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 13:19:12,075 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 13:19:12,075 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 13:19:12,075 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 13:19:12,076 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 13:19:12,076 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:19:12,076 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 13:19:12,076 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 13:19:12,076 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:19:12,076 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:19:12,077 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:19:12,077 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:19:12,077 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:19:12,077 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:19:12,077 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 13:19:12,077 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 13:19:12,078 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:19:12,078 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:19:12,078 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 13:19:12,078 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 13:19:12,078 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-13 13:19:12,079 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 13:19:12,079 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 13:19:12,079 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 13:19:12,079 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 13:19:12,079 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 13:19:12,079 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_46598f36-f2ad-4227-a8a3-7098e7f158ed/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 -> 1c9e40c4fcbf0a2270c810eae17f30e2b9a539f72a78b9b7061997095813940b [2024-11-13 13:19:12,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:19:12,467 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:19:12,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:19:12,471 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:19:12,471 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:19:12,473 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound10.c Unable to find full path for "g++" [2024-11-13 13:19:14,752 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:19:15,045 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:19:15,047 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound10.c [2024-11-13 13:19:15,058 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/data/918c2ac21/e077e6aaedae44688265419af759f229/FLAG8c1fd4648 [2024-11-13 13:19:15,086 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/data/918c2ac21/e077e6aaedae44688265419af759f229 [2024-11-13 13:19:15,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:19:15,092 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:19:15,095 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:19:15,095 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:19:15,101 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:19:15,102 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:19:15" (1/1) ... [2024-11-13 13:19:15,104 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@134c4955 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:15, skipping insertion in model container [2024-11-13 13:19:15,106 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:19:15" (1/1) ... [2024-11-13 13:19:15,129 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:19:15,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:19:15,428 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:19:15,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:19:15,518 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:19:15,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:15 WrapperNode [2024-11-13 13:19:15,520 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:19:15,521 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:19:15,522 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:19:15,522 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:19:15,532 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:15" (1/1) ... [2024-11-13 13:19:15,544 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:15" (1/1) ... [2024-11-13 13:19:15,599 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 142 [2024-11-13 13:19:15,600 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:19:15,600 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:19:15,603 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:19:15,604 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:19:15,614 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:15" (1/1) ... [2024-11-13 13:19:15,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:15" (1/1) ... [2024-11-13 13:19:15,621 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:15" (1/1) ... [2024-11-13 13:19:15,651 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 13:19:15,651 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:15" (1/1) ... [2024-11-13 13:19:15,652 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:15" (1/1) ... [2024-11-13 13:19:15,665 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:15" (1/1) ... [2024-11-13 13:19:15,669 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:15" (1/1) ... [2024-11-13 13:19:15,671 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:15" (1/1) ... [2024-11-13 13:19:15,673 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:15" (1/1) ... [2024-11-13 13:19:15,677 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:19:15,678 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:19:15,678 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:19:15,678 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:19:15,679 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:15" (1/1) ... [2024-11-13 13:19:15,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 13:19:15,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:19:15,721 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 13:19:15,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 13:19:15,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:19:15,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-13 13:19:15,756 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 13:19:15,757 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 13:19:15,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:19:15,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:19:15,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 13:19:15,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 13:19:15,861 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:19:15,864 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:22:00,735 INFO L? ?]: Removed 114 outVars from TransFormulas that were not future-live. [2024-11-13 13:22:00,735 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:22:00,752 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:22:00,752 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 13:22:00,752 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:22:00 BoogieIcfgContainer [2024-11-13 13:22:00,753 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:22:00,755 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 13:22:00,756 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 13:22:00,761 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 13:22:00,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 01:19:15" (1/3) ... [2024-11-13 13:22:00,762 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a1d9f14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:22:00, skipping insertion in model container [2024-11-13 13:22:00,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:19:15" (2/3) ... [2024-11-13 13:22:00,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a1d9f14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 01:22:00, skipping insertion in model container [2024-11-13 13:22:00,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:22:00" (3/3) ... [2024-11-13 13:22:00,765 INFO L112 eAbstractionObserver]: Analyzing ICFG ps6-ll_valuebound10.c [2024-11-13 13:22:00,782 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 13:22:00,784 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG ps6-ll_valuebound10.c that has 3 procedures, 228 locations, 1 initial locations, 1 loop locations, and 102 error locations. [2024-11-13 13:22:00,847 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 13:22:00,862 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;@269225d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 13:22:00,862 INFO L334 AbstractCegarLoop]: Starting to check reachability of 102 error locations. [2024-11-13 13:22:00,868 INFO L276 IsEmpty]: Start isEmpty. Operand has 228 states, 118 states have (on average 1.9067796610169492) internal successors, (225), 220 states have internal predecessors, (225), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-13 13:22:00,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 13:22:00,876 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:22:00,876 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:22:00,877 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-13 13:22:00,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:22:00,882 INFO L85 PathProgramCache]: Analyzing trace with hash 4799040, now seen corresponding path program 1 times [2024-11-13 13:22:00,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:22:00,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [813908316] [2024-11-13 13:22:00,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:22:00,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:22:00,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:22:00,898 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:22:00,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 13:22:01,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:22:01,010 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 13:22:01,013 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:22:01,033 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 13:22:01,034 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:22:01,034 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:22:01,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [813908316] [2024-11-13 13:22:01,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [813908316] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:22:01,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:22:01,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:22:01,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799563395] [2024-11-13 13:22:01,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:22:01,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-13 13:22:01,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:22:01,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-13 13:22:01,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-13 13:22:01,066 INFO L87 Difference]: Start difference. First operand has 228 states, 118 states have (on average 1.9067796610169492) internal successors, (225), 220 states have internal predecessors, (225), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 2 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 13:22:01,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:22:01,102 INFO L93 Difference]: Finished difference Result 450 states and 470 transitions. [2024-11-13 13:22:01,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 13:22:01,105 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 2 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 13:22:01,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:22:01,113 INFO L225 Difference]: With dead ends: 450 [2024-11-13 13:22:01,113 INFO L226 Difference]: Without dead ends: 219 [2024-11-13 13:22:01,117 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 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 13:22:01,120 INFO L432 NwaCegarLoop]: 228 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, 228 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 13:22:01,121 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-13 13:22:01,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-11-13 13:22:01,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2024-11-13 13:22:01,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 113 states have (on average 1.8849557522123894) internal successors, (213), 212 states have internal predecessors, (213), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-13 13:22:01,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 221 transitions. [2024-11-13 13:22:01,199 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 221 transitions. Word has length 15 [2024-11-13 13:22:01,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:22:01,200 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 221 transitions. [2024-11-13 13:22:01,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 2 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 13:22:01,203 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 221 transitions. [2024-11-13 13:22:01,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 13:22:01,204 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:22:01,204 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:22:01,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 13:22:01,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:22:01,405 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-13 13:22:01,406 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:22:01,406 INFO L85 PathProgramCache]: Analyzing trace with hash 763118079, now seen corresponding path program 1 times [2024-11-13 13:22:01,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:22:01,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2034313385] [2024-11-13 13:22:01,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:22:01,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:22:01,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:22:01,409 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:22:01,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 13:22:01,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:22:01,474 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 13:22:01,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:22:01,551 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 13:22:01,551 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:22:01,552 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:22:01,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2034313385] [2024-11-13 13:22:01,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2034313385] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:22:01,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:22:01,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:22:01,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848241581] [2024-11-13 13:22:01,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:22:01,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:22:01,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:22:01,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:22:01,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:22:01,558 INFO L87 Difference]: Start difference. First operand 219 states and 221 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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 13:22:17,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:22:22,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:22:24,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:22:25,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:22:28,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:22:30,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:22:33,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.91s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:22:36,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:22:39,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.53s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:22:42,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.67s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:22:44,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:22:46,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:22:52,090 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:22:54,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:22:55,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:22:59,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:23:01,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:23:03,387 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:23:06,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:23:09,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.31s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:23:10,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:23:11,737 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:23:14,419 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.62s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:23:15,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:23:17,841 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:23:20,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.44s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:23:24,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:23:26,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:23:28,259 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:23:31,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:23:33,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:23:34,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:23:36,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:23:39,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.37s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:23:41,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.24s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:23:44,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:23:48,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:23:53,824 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.14s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:23:57,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:23:58,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:24:00,577 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:24:01,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:24:04,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:24:05,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:24:07,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:24:09,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:24:14,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:24:18,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:24:19,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:24:22,229 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:24:24,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:24:26,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:24:30,420 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:24:32,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:24:33,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:24:36,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:24:37,255 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:24:38,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:24:40,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:24:43,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:24:44,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:24:46,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:24:47,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:24:50,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.79s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:24:51,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:24:52,996 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:24:57,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.34s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:24:59,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:25:01,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:25:06,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.46s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:25:09,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.11s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:25:11,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:25:13,493 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:25:14,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:25:16,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:25:20,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:25:21,731 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:25:24,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:25:26,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:25:29,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.25s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:25:31,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:25:33,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:25:34,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:25:36,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:25:42,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:25:46,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:25:47,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:25:49,808 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:25:51,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:25:55,941 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:26:00,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:26:01,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:26:01,500 INFO L93 Difference]: Finished difference Result 405 states and 409 transitions. [2024-11-13 13:26:01,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:26:01,526 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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 13:26:01,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:26:01,528 INFO L225 Difference]: With dead ends: 405 [2024-11-13 13:26:01,529 INFO L226 Difference]: Without dead ends: 313 [2024-11-13 13:26:01,529 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 13:26:01,530 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 97 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 84 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 228.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 239.9s IncrementalHoareTripleChecker+Time [2024-11-13 13:26:01,531 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 165 Invalid, 360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 269 Invalid, 7 Unknown, 0 Unchecked, 239.9s Time] [2024-11-13 13:26:01,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2024-11-13 13:26:01,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 308. [2024-11-13 13:26:01,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 201 states have (on average 1.5223880597014925) internal successors, (306), 300 states have internal predecessors, (306), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-13 13:26:01,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 316 transitions. [2024-11-13 13:26:01,553 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 316 transitions. Word has length 15 [2024-11-13 13:26:01,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:26:01,555 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 316 transitions. [2024-11-13 13:26:01,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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 13:26:01,555 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 316 transitions. [2024-11-13 13:26:01,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-13 13:26:01,557 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:26:01,557 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:26:01,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 13:26:01,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:26:01,761 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-13 13:26:01,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:26:01,762 INFO L85 PathProgramCache]: Analyzing trace with hash 59959941, now seen corresponding path program 1 times [2024-11-13 13:26:01,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:26:01,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1493152683] [2024-11-13 13:26:01,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:26:01,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:26:01,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:26:01,765 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:26:01,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-13 13:26:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:26:03,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 13:26:03,681 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:26:04,268 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 13:26:04,269 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:26:04,269 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:26:04,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1493152683] [2024-11-13 13:26:04,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1493152683] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:26:04,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:26:04,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:26:04,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583027242] [2024-11-13 13:26:04,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:26:04,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:26:04,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:26:04,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:26:04,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:26:04,271 INFO L87 Difference]: Start difference. First operand 308 states and 316 transitions. Second operand has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 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 13:26:14,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:26:16,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:26:16,547 INFO L93 Difference]: Finished difference Result 333 states and 336 transitions. [2024-11-13 13:26:16,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:26:16,591 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 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 53 [2024-11-13 13:26:16,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:26:16,593 INFO L225 Difference]: With dead ends: 333 [2024-11-13 13:26:16,593 INFO L226 Difference]: Without dead ends: 287 [2024-11-13 13:26:16,593 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 51 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 13:26:16,594 INFO L432 NwaCegarLoop]: 214 mSDtfsCounter, 67 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2024-11-13 13:26:16,595 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 413 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 12.3s Time] [2024-11-13 13:26:16,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2024-11-13 13:26:16,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 278. [2024-11-13 13:26:16,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 171 states have (on average 1.6374269005847952) internal successors, (280), 270 states have internal predecessors, (280), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-13 13:26:16,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 290 transitions. [2024-11-13 13:26:16,613 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 290 transitions. Word has length 53 [2024-11-13 13:26:16,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:26:16,613 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 290 transitions. [2024-11-13 13:26:16,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 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 13:26:16,614 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 290 transitions. [2024-11-13 13:26:16,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-13 13:26:16,615 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:26:16,616 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:26:16,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-13 13:26:16,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:26:16,816 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-13 13:26:16,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:26:16,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1873495663, now seen corresponding path program 1 times [2024-11-13 13:26:16,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:26:16,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [49017367] [2024-11-13 13:26:16,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:26:16,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:26:16,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:26:16,821 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:26:16,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-13 13:26:18,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:26:18,682 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 13:26:18,684 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:26:19,338 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 13:26:19,339 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:26:19,339 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:26:19,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [49017367] [2024-11-13 13:26:19,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [49017367] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:26:19,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:26:19,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-13 13:26:19,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637607081] [2024-11-13 13:26:19,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:26:19,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 13:26:19,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:26:19,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:26:19,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:26:19,341 INFO L87 Difference]: Start difference. First operand 278 states and 290 transitions. Second operand has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 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 13:26:19,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:26:19,417 INFO L93 Difference]: Finished difference Result 279 states and 290 transitions. [2024-11-13 13:26:19,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:26:19,418 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 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 64 [2024-11-13 13:26:19,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 13:26:19,420 INFO L225 Difference]: With dead ends: 279 [2024-11-13 13:26:19,420 INFO L226 Difference]: Without dead ends: 278 [2024-11-13 13:26:19,420 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 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 13:26:19,421 INFO L432 NwaCegarLoop]: 218 mSDtfsCounter, 0 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 432 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-13 13:26:19,421 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 432 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-13 13:26:19,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2024-11-13 13:26:19,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2024-11-13 13:26:19,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 171 states have (on average 1.631578947368421) internal successors, (279), 270 states have internal predecessors, (279), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-13 13:26:19,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 289 transitions. [2024-11-13 13:26:19,435 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 289 transitions. Word has length 64 [2024-11-13 13:26:19,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 13:26:19,436 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 289 transitions. [2024-11-13 13:26:19,436 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.5) internal successors, (55), 3 states have internal predecessors, (55), 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 13:26:19,436 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 289 transitions. [2024-11-13 13:26:19,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-13 13:26:19,437 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 13:26:19,437 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, 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 13:26:19,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-13 13:26:19,638 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:26:19,638 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 99 more)] === [2024-11-13 13:26:19,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:26:19,639 INFO L85 PathProgramCache]: Analyzing trace with hash -209146820, now seen corresponding path program 1 times [2024-11-13 13:26:19,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-13 13:26:19,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1552111207] [2024-11-13 13:26:19,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:26:19,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 13:26:19,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:26:19,646 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 13:26:19,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46598f36-f2ad-4227-a8a3-7098e7f158ed/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-13 13:26:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:26:22,093 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 13:26:22,096 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 13:26:22,925 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 13:26:22,926 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 13:26:22,927 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-13 13:26:22,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1552111207] [2024-11-13 13:26:22,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1552111207] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:26:22,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:26:22,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:26:22,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [913459251] [2024-11-13 13:26:22,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:26:22,928 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 13:26:22,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-13 13:26:22,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:26:22,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:26:22,929 INFO L87 Difference]: Start difference. First operand 278 states and 289 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 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 13:26:48,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:26:52,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:26:57,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:26:59,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:27:04,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:27:07,541 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:27:09,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:27:13,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:27:15,208 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:27:16,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:27:20,959 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:27:22,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:27:24,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:27:25,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:27:29,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:27:32,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.52s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:27:34,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:27:38,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:27:43,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.21s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:27:48,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:27:52,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:27:55,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:27:57,378 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:28:01,496 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:28:05,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:28:06,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:28:12,200 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:28:16,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:28:18,291 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:28:26,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:28:29,241 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:28:31,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:28:34,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:28:35,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:28:37,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.58s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 13:28:40,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []