./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya --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 f50c7bc2857aa84cb02200a831151d15e1603828dabc8b6cfed5e5d60ae2ee71 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 00:45:16,212 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 00:45:16,285 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-11-29 00:45:16,290 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 00:45:16,291 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 00:45:16,315 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 00:45:16,316 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 00:45:16,317 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 00:45:16,317 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 00:45:16,318 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 00:45:16,318 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 00:45:16,319 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 00:45:16,320 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 00:45:16,320 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 00:45:16,321 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 00:45:16,321 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 00:45:16,322 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 00:45:16,322 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 00:45:16,323 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 00:45:16,323 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 00:45:16,324 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 00:45:16,328 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 00:45:16,328 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 00:45:16,328 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 00:45:16,329 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-29 00:45:16,329 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 00:45:16,330 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 00:45:16,330 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 00:45:16,330 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 00:45:16,331 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 00:45:16,331 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 00:45:16,331 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 00:45:16,332 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 00:45:16,333 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:45:16,333 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 00:45:16,333 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 00:45:16,334 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 00:45:16,334 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 00:45:16,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 00:45:16,334 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 00:45:16,334 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 00:45:16,335 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 00:45:16,335 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 00:45:16,335 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 00:45:16,335 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f50c7bc2857aa84cb02200a831151d15e1603828dabc8b6cfed5e5d60ae2ee71 [2023-11-29 00:45:16,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 00:45:16,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 00:45:16,604 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 00:45:16,605 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 00:45:16,605 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 00:45:16,606 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound2.c [2023-11-29 00:45:19,374 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 00:45:19,553 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 00:45:19,554 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_unwindbound2.c [2023-11-29 00:45:19,561 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/data/9affbfb1b/6245bffcbc384248bfc3a0ea53c72be9/FLAG5a50d1e02 [2023-11-29 00:45:19,575 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/data/9affbfb1b/6245bffcbc384248bfc3a0ea53c72be9 [2023-11-29 00:45:19,578 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 00:45:19,579 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 00:45:19,580 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 00:45:19,581 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 00:45:19,586 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 00:45:19,586 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:45:19" (1/1) ... [2023-11-29 00:45:19,587 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@349872d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:45:19, skipping insertion in model container [2023-11-29 00:45:19,587 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 12:45:19" (1/1) ... [2023-11-29 00:45:19,610 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 00:45:19,783 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:45:19,793 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 00:45:19,821 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 00:45:19,836 INFO L206 MainTranslator]: Completed translation [2023-11-29 00:45:19,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:45:19 WrapperNode [2023-11-29 00:45:19,836 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 00:45:19,837 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 00:45:19,838 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 00:45:19,838 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 00:45:19,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:45:19" (1/1) ... [2023-11-29 00:45:19,853 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:45:19" (1/1) ... [2023-11-29 00:45:19,884 INFO L138 Inliner]: procedures = 14, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 195 [2023-11-29 00:45:19,884 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 00:45:19,885 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 00:45:19,885 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 00:45:19,885 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 00:45:19,896 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:45:19" (1/1) ... [2023-11-29 00:45:19,896 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:45:19" (1/1) ... [2023-11-29 00:45:19,898 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:45:19" (1/1) ... [2023-11-29 00:45:19,912 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]. [2023-11-29 00:45:19,912 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:45:19" (1/1) ... [2023-11-29 00:45:19,912 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:45:19" (1/1) ... [2023-11-29 00:45:19,918 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:45:19" (1/1) ... [2023-11-29 00:45:19,921 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:45:19" (1/1) ... [2023-11-29 00:45:19,922 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:45:19" (1/1) ... [2023-11-29 00:45:19,924 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:45:19" (1/1) ... [2023-11-29 00:45:19,927 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 00:45:19,928 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 00:45:19,928 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 00:45:19,928 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 00:45:19,929 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:45:19" (1/1) ... [2023-11-29 00:45:19,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 00:45:19,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:45:19,965 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 00:45:19,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 00:45:20,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 00:45:20,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 00:45:20,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 00:45:20,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 00:45:20,001 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-29 00:45:20,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-29 00:45:20,069 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 00:45:20,071 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 00:45:20,695 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 00:45:20,726 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 00:45:20,727 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 00:45:20,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:45:20 BoogieIcfgContainer [2023-11-29 00:45:20,728 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 00:45:20,731 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 00:45:20,731 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 00:45:20,733 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 00:45:20,733 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 12:45:19" (1/3) ... [2023-11-29 00:45:20,734 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@521d858d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:45:20, skipping insertion in model container [2023-11-29 00:45:20,734 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 12:45:19" (2/3) ... [2023-11-29 00:45:20,735 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@521d858d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 12:45:20, skipping insertion in model container [2023-11-29 00:45:20,735 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:45:20" (3/3) ... [2023-11-29 00:45:20,736 INFO L112 eAbstractionObserver]: Analyzing ICFG cohencu-ll_unwindbound2.c [2023-11-29 00:45:20,750 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 00:45:20,750 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 140 error locations. [2023-11-29 00:45:20,799 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 00:45:20,805 INFO L357 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, mHoare=true, 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;@3777b17, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 00:45:20,805 INFO L358 AbstractCegarLoop]: Starting to check reachability of 140 error locations. [2023-11-29 00:45:20,809 INFO L276 IsEmpty]: Start isEmpty. Operand has 301 states, 148 states have (on average 1.972972972972973) internal successors, (292), 288 states have internal predecessors, (292), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-29 00:45:20,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-29 00:45:20,814 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:45:20,814 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2023-11-29 00:45:20,815 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:45:20,819 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:45:20,819 INFO L85 PathProgramCache]: Analyzing trace with hash 368288, now seen corresponding path program 1 times [2023-11-29 00:45:20,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:45:20,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710264245] [2023-11-29 00:45:20,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:20,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:45:20,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:45:21,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:45:21,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:45:21,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710264245] [2023-11-29 00:45:21,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710264245] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:45:21,028 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:45:21,028 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:45:21,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408656966] [2023-11-29 00:45:21,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:45:21,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:45:21,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:45:21,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:45:21,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:45:21,065 INFO L87 Difference]: Start difference. First operand has 301 states, 148 states have (on average 1.972972972972973) internal successors, (292), 288 states have internal predecessors, (292), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:21,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:45:21,164 INFO L93 Difference]: Finished difference Result 598 states and 646 transitions. [2023-11-29 00:45:21,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 00:45:21,167 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2023-11-29 00:45:21,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:45:21,177 INFO L225 Difference]: With dead ends: 598 [2023-11-29 00:45:21,177 INFO L226 Difference]: Without dead ends: 295 [2023-11-29 00:45:21,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:45:21,185 INFO L413 NwaCegarLoop]: 299 mSDtfsCounter, 4 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:45:21,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 895 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:45:21,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2023-11-29 00:45:21,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2023-11-29 00:45:21,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 295 states, 151 states have (on average 1.8874172185430464) internal successors, (285), 283 states have internal predecessors, (285), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2023-11-29 00:45:21,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 305 transitions. [2023-11-29 00:45:21,243 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 305 transitions. Word has length 3 [2023-11-29 00:45:21,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:45:21,243 INFO L495 AbstractCegarLoop]: Abstraction has 295 states and 305 transitions. [2023-11-29 00:45:21,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:21,244 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 305 transitions. [2023-11-29 00:45:21,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-29 00:45:21,244 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:45:21,244 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-29 00:45:21,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 00:45:21,245 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:45:21,245 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:45:21,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1913193205, now seen corresponding path program 1 times [2023-11-29 00:45:21,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:45:21,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222120226] [2023-11-29 00:45:21,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:21,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:45:21,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:45:21,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 00:45:21,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:45:21,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222120226] [2023-11-29 00:45:21,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222120226] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:45:21,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:45:21,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-29 00:45:21,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380649313] [2023-11-29 00:45:21,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:45:21,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:45:21,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:45:21,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:45:21,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:45:21,297 INFO L87 Difference]: Start difference. First operand 295 states and 305 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:21,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:45:21,437 INFO L93 Difference]: Finished difference Result 563 states and 583 transitions. [2023-11-29 00:45:21,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:45:21,438 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-11-29 00:45:21,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:45:21,442 INFO L225 Difference]: With dead ends: 563 [2023-11-29 00:45:21,443 INFO L226 Difference]: Without dead ends: 543 [2023-11-29 00:45:21,443 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:45:21,445 INFO L413 NwaCegarLoop]: 381 mSDtfsCounter, 237 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 637 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:45:21,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 637 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:45:21,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2023-11-29 00:45:21,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 353. [2023-11-29 00:45:21,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 353 states, 204 states have (on average 1.7941176470588236) internal successors, (366), 336 states have internal predecessors, (366), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-29 00:45:21,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 396 transitions. [2023-11-29 00:45:21,476 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 396 transitions. Word has length 6 [2023-11-29 00:45:21,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:45:21,477 INFO L495 AbstractCegarLoop]: Abstraction has 353 states and 396 transitions. [2023-11-29 00:45:21,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:45:21,477 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 396 transitions. [2023-11-29 00:45:21,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-29 00:45:21,479 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:45:21,479 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:45:21,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 00:45:21,479 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:45:21,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:45:21,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1848326555, now seen corresponding path program 1 times [2023-11-29 00:45:21,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:45:21,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382885902] [2023-11-29 00:45:21,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:21,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:45:21,500 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:45:21,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1070005182] [2023-11-29 00:45:21,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:21,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:45:21,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:45:21,508 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:45:21,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 00:45:21,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:45:21,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 00:45:21,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:45:21,730 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 00:45:21,731 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:45:21,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:45:21,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382885902] [2023-11-29 00:45:21,732 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:45:21,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1070005182] [2023-11-29 00:45:21,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1070005182] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:45:21,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:45:21,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:45:21,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883265593] [2023-11-29 00:45:21,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:45:21,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:45:21,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:45:21,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:45:21,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:45:21,735 INFO L87 Difference]: Start difference. First operand 353 states and 396 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:45:23,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:45:23,142 INFO L93 Difference]: Finished difference Result 551 states and 571 transitions. [2023-11-29 00:45:23,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:45:23,142 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 39 [2023-11-29 00:45:23,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:45:23,146 INFO L225 Difference]: With dead ends: 551 [2023-11-29 00:45:23,146 INFO L226 Difference]: Without dead ends: 521 [2023-11-29 00:45:23,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:45:23,148 INFO L413 NwaCegarLoop]: 215 mSDtfsCounter, 197 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 00:45:23,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 325 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 00:45:23,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2023-11-29 00:45:23,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 436. [2023-11-29 00:45:23,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 436 states, 282 states have (on average 1.7375886524822695) internal successors, (490), 414 states have internal predecessors, (490), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 00:45:23,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 530 transitions. [2023-11-29 00:45:23,172 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 530 transitions. Word has length 39 [2023-11-29 00:45:23,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:45:23,172 INFO L495 AbstractCegarLoop]: Abstraction has 436 states and 530 transitions. [2023-11-29 00:45:23,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:45:23,173 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 530 transitions. [2023-11-29 00:45:23,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-29 00:45:23,174 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:45:23,174 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:45:23,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 00:45:23,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:45:23,380 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:45:23,380 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:45:23,380 INFO L85 PathProgramCache]: Analyzing trace with hash -1463548268, now seen corresponding path program 1 times [2023-11-29 00:45:23,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:45:23,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182144666] [2023-11-29 00:45:23,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:23,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:45:23,395 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:45:23,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [367965241] [2023-11-29 00:45:23,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:23,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:45:23,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:45:23,397 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:45:23,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 00:45:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:45:23,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 00:45:23,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:45:23,571 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 00:45:23,571 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:45:23,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:45:23,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1182144666] [2023-11-29 00:45:23,572 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:45:23,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367965241] [2023-11-29 00:45:23,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [367965241] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:45:23,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:45:23,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:45:23,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013189798] [2023-11-29 00:45:23,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:45:23,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:45:23,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:45:23,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:45:23,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:45:23,574 INFO L87 Difference]: Start difference. First operand 436 states and 530 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:45:24,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:45:24,406 INFO L93 Difference]: Finished difference Result 521 states and 541 transitions. [2023-11-29 00:45:24,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:45:24,407 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 40 [2023-11-29 00:45:24,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:45:24,410 INFO L225 Difference]: With dead ends: 521 [2023-11-29 00:45:24,410 INFO L226 Difference]: Without dead ends: 512 [2023-11-29 00:45:24,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:45:24,411 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 187 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 342 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 342 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 00:45:24,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 317 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 342 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 00:45:24,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2023-11-29 00:45:24,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 438. [2023-11-29 00:45:24,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 284 states have (on average 1.7077464788732395) internal successors, (485), 416 states have internal predecessors, (485), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 00:45:24,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 525 transitions. [2023-11-29 00:45:24,430 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 525 transitions. Word has length 40 [2023-11-29 00:45:24,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:45:24,430 INFO L495 AbstractCegarLoop]: Abstraction has 438 states and 525 transitions. [2023-11-29 00:45:24,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:45:24,431 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 525 transitions. [2023-11-29 00:45:24,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-29 00:45:24,432 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:45:24,432 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:45:24,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 00:45:24,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:45:24,636 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:45:24,636 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:45:24,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1874644039, now seen corresponding path program 1 times [2023-11-29 00:45:24,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:45:24,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255371360] [2023-11-29 00:45:24,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:24,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:45:24,649 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:45:24,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [937749243] [2023-11-29 00:45:24,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:24,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:45:24,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:45:24,651 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:45:24,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 00:45:24,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:45:24,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 00:45:24,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:45:24,764 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 00:45:24,765 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:45:24,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:45:24,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255371360] [2023-11-29 00:45:24,765 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:45:24,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [937749243] [2023-11-29 00:45:24,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [937749243] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:45:24,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:45:24,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:45:24,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755697961] [2023-11-29 00:45:24,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:45:24,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:45:24,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:45:24,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:45:24,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:45:24,767 INFO L87 Difference]: Start difference. First operand 438 states and 525 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:45:25,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:45:25,524 INFO L93 Difference]: Finished difference Result 507 states and 532 transitions. [2023-11-29 00:45:25,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:45:25,525 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 41 [2023-11-29 00:45:25,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:45:25,528 INFO L225 Difference]: With dead ends: 507 [2023-11-29 00:45:25,528 INFO L226 Difference]: Without dead ends: 502 [2023-11-29 00:45:25,529 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:45:25,530 INFO L413 NwaCegarLoop]: 305 mSDtfsCounter, 176 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 00:45:25,530 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 513 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 00:45:25,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2023-11-29 00:45:25,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 438. [2023-11-29 00:45:25,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 284 states have (on average 1.6901408450704225) internal successors, (480), 416 states have internal predecessors, (480), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 00:45:25,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 520 transitions. [2023-11-29 00:45:25,549 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 520 transitions. Word has length 41 [2023-11-29 00:45:25,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:45:25,550 INFO L495 AbstractCegarLoop]: Abstraction has 438 states and 520 transitions. [2023-11-29 00:45:25,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:45:25,550 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 520 transitions. [2023-11-29 00:45:25,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-29 00:45:25,551 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:45:25,552 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:45:25,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-29 00:45:25,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:45:25,758 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:45:25,758 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:45:25,758 INFO L85 PathProgramCache]: Analyzing trace with hash -2015576842, now seen corresponding path program 1 times [2023-11-29 00:45:25,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:45:25,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731390442] [2023-11-29 00:45:25,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:25,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:45:25,768 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:45:25,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [321798265] [2023-11-29 00:45:25,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:25,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:45:25,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:45:25,770 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:45:25,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 00:45:25,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:45:25,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 00:45:25,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:45:25,864 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 00:45:25,864 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:45:25,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:45:25,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731390442] [2023-11-29 00:45:25,865 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:45:25,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [321798265] [2023-11-29 00:45:25,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [321798265] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:45:25,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:45:25,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:45:25,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143904382] [2023-11-29 00:45:25,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:45:25,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:45:25,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:45:25,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:45:25,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:45:25,867 INFO L87 Difference]: Start difference. First operand 438 states and 520 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:45:26,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:45:26,661 INFO L93 Difference]: Finished difference Result 507 states and 527 transitions. [2023-11-29 00:45:26,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:45:26,661 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 42 [2023-11-29 00:45:26,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:45:26,665 INFO L225 Difference]: With dead ends: 507 [2023-11-29 00:45:26,666 INFO L226 Difference]: Without dead ends: 502 [2023-11-29 00:45:26,666 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:45:26,667 INFO L413 NwaCegarLoop]: 301 mSDtfsCounter, 173 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 00:45:26,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 508 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 00:45:26,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2023-11-29 00:45:26,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 438. [2023-11-29 00:45:26,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 284 states have (on average 1.6725352112676057) internal successors, (475), 416 states have internal predecessors, (475), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 00:45:26,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 515 transitions. [2023-11-29 00:45:26,687 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 515 transitions. Word has length 42 [2023-11-29 00:45:26,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:45:26,688 INFO L495 AbstractCegarLoop]: Abstraction has 438 states and 515 transitions. [2023-11-29 00:45:26,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:45:26,688 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 515 transitions. [2023-11-29 00:45:26,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-29 00:45:26,689 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:45:26,689 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:45:26,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 00:45:26,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2023-11-29 00:45:26,892 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:45:26,893 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:45:26,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1941627433, now seen corresponding path program 1 times [2023-11-29 00:45:26,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:45:26,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601771715] [2023-11-29 00:45:26,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:26,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:45:26,903 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:45:26,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [141261314] [2023-11-29 00:45:26,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:26,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:45:26,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:45:26,904 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:45:26,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-29 00:45:26,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:45:26,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 00:45:26,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:45:27,035 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 00:45:27,035 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:45:27,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:45:27,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601771715] [2023-11-29 00:45:27,036 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:45:27,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141261314] [2023-11-29 00:45:27,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141261314] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:45:27,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:45:27,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:45:27,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821782781] [2023-11-29 00:45:27,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:45:27,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:45:27,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:45:27,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:45:27,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:45:27,039 INFO L87 Difference]: Start difference. First operand 438 states and 515 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:45:28,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:45:28,002 INFO L93 Difference]: Finished difference Result 502 states and 522 transitions. [2023-11-29 00:45:28,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:45:28,002 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 43 [2023-11-29 00:45:28,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:45:28,005 INFO L225 Difference]: With dead ends: 502 [2023-11-29 00:45:28,005 INFO L226 Difference]: Without dead ends: 500 [2023-11-29 00:45:28,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:45:28,007 INFO L413 NwaCegarLoop]: 236 mSDtfsCounter, 362 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 444 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 00:45:28,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 444 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 00:45:28,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2023-11-29 00:45:28,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 438. [2023-11-29 00:45:28,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 284 states have (on average 1.6654929577464788) internal successors, (473), 416 states have internal predecessors, (473), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 00:45:28,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 513 transitions. [2023-11-29 00:45:28,035 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 513 transitions. Word has length 43 [2023-11-29 00:45:28,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:45:28,036 INFO L495 AbstractCegarLoop]: Abstraction has 438 states and 513 transitions. [2023-11-29 00:45:28,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:45:28,036 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 513 transitions. [2023-11-29 00:45:28,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-29 00:45:28,037 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:45:28,037 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:45:28,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-11-29 00:45:28,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:45:28,240 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:45:28,241 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:45:28,241 INFO L85 PathProgramCache]: Analyzing trace with hash 60908376, now seen corresponding path program 1 times [2023-11-29 00:45:28,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:45:28,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804148527] [2023-11-29 00:45:28,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:28,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:45:28,254 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:45:28,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [94989056] [2023-11-29 00:45:28,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:28,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:45:28,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:45:28,256 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:45:28,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-29 00:45:28,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:45:28,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 00:45:28,307 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:45:28,383 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 00:45:28,383 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:45:28,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:45:28,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804148527] [2023-11-29 00:45:28,384 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:45:28,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94989056] [2023-11-29 00:45:28,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94989056] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:45:28,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:45:28,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:45:28,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232350239] [2023-11-29 00:45:28,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:45:28,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:45:28,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:45:28,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:45:28,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:45:28,386 INFO L87 Difference]: Start difference. First operand 438 states and 513 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:45:30,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:45:30,801 INFO L93 Difference]: Finished difference Result 500 states and 520 transitions. [2023-11-29 00:45:30,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:45:30,802 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 44 [2023-11-29 00:45:30,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:45:30,805 INFO L225 Difference]: With dead ends: 500 [2023-11-29 00:45:30,805 INFO L226 Difference]: Without dead ends: 498 [2023-11-29 00:45:30,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:45:30,806 INFO L413 NwaCegarLoop]: 203 mSDtfsCounter, 190 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-29 00:45:30,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 494 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2023-11-29 00:45:30,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2023-11-29 00:45:30,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 438. [2023-11-29 00:45:30,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 438 states, 284 states have (on average 1.658450704225352) internal successors, (471), 416 states have internal predecessors, (471), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 00:45:30,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 511 transitions. [2023-11-29 00:45:30,823 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 511 transitions. Word has length 44 [2023-11-29 00:45:30,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:45:30,823 INFO L495 AbstractCegarLoop]: Abstraction has 438 states and 511 transitions. [2023-11-29 00:45:30,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:45:30,823 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 511 transitions. [2023-11-29 00:45:30,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-29 00:45:30,824 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:45:30,824 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:45:30,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-11-29 00:45:31,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:45:31,025 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:45:31,025 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:45:31,026 INFO L85 PathProgramCache]: Analyzing trace with hash 2045328877, now seen corresponding path program 1 times [2023-11-29 00:45:31,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:45:31,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532514200] [2023-11-29 00:45:31,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:31,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:45:31,036 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:45:31,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1176834106] [2023-11-29 00:45:31,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:31,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:45:31,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:45:31,038 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:45:31,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-29 00:45:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:45:31,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 00:45:31,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:45:31,284 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 00:45:31,284 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:45:31,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:45:31,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532514200] [2023-11-29 00:45:31,285 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:45:31,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1176834106] [2023-11-29 00:45:31,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1176834106] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:45:31,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:45:31,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:45:31,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261878428] [2023-11-29 00:45:31,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:45:31,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:45:31,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:45:31,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:45:31,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:45:31,287 INFO L87 Difference]: Start difference. First operand 438 states and 511 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:45:32,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:45:32,089 INFO L93 Difference]: Finished difference Result 498 states and 518 transitions. [2023-11-29 00:45:32,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:45:32,089 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 47 [2023-11-29 00:45:32,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:45:32,091 INFO L225 Difference]: With dead ends: 498 [2023-11-29 00:45:32,091 INFO L226 Difference]: Without dead ends: 484 [2023-11-29 00:45:32,091 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:45:32,092 INFO L413 NwaCegarLoop]: 219 mSDtfsCounter, 150 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 00:45:32,092 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 305 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 00:45:32,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2023-11-29 00:45:32,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 441. [2023-11-29 00:45:32,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 287 states have (on average 1.613240418118467) internal successors, (463), 419 states have internal predecessors, (463), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 00:45:32,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 503 transitions. [2023-11-29 00:45:32,107 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 503 transitions. Word has length 47 [2023-11-29 00:45:32,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:45:32,107 INFO L495 AbstractCegarLoop]: Abstraction has 441 states and 503 transitions. [2023-11-29 00:45:32,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:45:32,108 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 503 transitions. [2023-11-29 00:45:32,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-29 00:45:32,108 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:45:32,109 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:45:32,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-29 00:45:32,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:45:32,309 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:45:32,310 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:45:32,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1019314148, now seen corresponding path program 1 times [2023-11-29 00:45:32,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:45:32,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247500183] [2023-11-29 00:45:32,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:32,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:45:32,320 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:45:32,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [440713] [2023-11-29 00:45:32,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:32,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:45:32,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:45:32,322 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:45:32,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-29 00:45:32,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:45:32,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 00:45:32,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:45:32,978 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 00:45:32,978 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:45:32,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:45:32,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247500183] [2023-11-29 00:45:32,979 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:45:32,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [440713] [2023-11-29 00:45:32,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [440713] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:45:32,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:45:32,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:45:32,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505786264] [2023-11-29 00:45:32,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:45:32,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:45:32,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:45:32,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:45:32,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:45:32,980 INFO L87 Difference]: Start difference. First operand 441 states and 503 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:45:34,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:45:34,559 INFO L93 Difference]: Finished difference Result 484 states and 504 transitions. [2023-11-29 00:45:34,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:45:34,560 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 48 [2023-11-29 00:45:34,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:45:34,563 INFO L225 Difference]: With dead ends: 484 [2023-11-29 00:45:34,563 INFO L226 Difference]: Without dead ends: 481 [2023-11-29 00:45:34,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:45:34,564 INFO L413 NwaCegarLoop]: 249 mSDtfsCounter, 170 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 533 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 537 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 533 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 00:45:34,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 465 Invalid, 537 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 533 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 00:45:34,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2023-11-29 00:45:34,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 441. [2023-11-29 00:45:34,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 287 states have (on average 1.602787456445993) internal successors, (460), 419 states have internal predecessors, (460), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-29 00:45:34,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 500 transitions. [2023-11-29 00:45:34,580 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 500 transitions. Word has length 48 [2023-11-29 00:45:34,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:45:34,581 INFO L495 AbstractCegarLoop]: Abstraction has 441 states and 500 transitions. [2023-11-29 00:45:34,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:45:34,581 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 500 transitions. [2023-11-29 00:45:34,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-29 00:45:34,582 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:45:34,582 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:45:34,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-11-29 00:45:34,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:45:34,787 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:45:34,788 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:45:34,788 INFO L85 PathProgramCache]: Analyzing trace with hash 29056224, now seen corresponding path program 1 times [2023-11-29 00:45:34,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:45:34,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984658634] [2023-11-29 00:45:34,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:34,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:45:34,797 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:45:34,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [892968650] [2023-11-29 00:45:34,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:34,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:45:34,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:45:34,799 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:45:34,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-29 00:45:34,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:45:34,849 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 00:45:34,850 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:45:35,081 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 00:45:35,081 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:45:35,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:45:35,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984658634] [2023-11-29 00:45:35,082 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:45:35,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [892968650] [2023-11-29 00:45:35,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [892968650] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:45:35,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:45:35,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:45:35,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273606679] [2023-11-29 00:45:35,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:45:35,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:45:35,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:45:35,084 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:45:35,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:45:35,084 INFO L87 Difference]: Start difference. First operand 441 states and 500 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:45:35,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:45:35,980 INFO L93 Difference]: Finished difference Result 481 states and 501 transitions. [2023-11-29 00:45:35,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:45:35,981 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 52 [2023-11-29 00:45:35,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:45:35,983 INFO L225 Difference]: With dead ends: 481 [2023-11-29 00:45:35,983 INFO L226 Difference]: Without dead ends: 460 [2023-11-29 00:45:35,983 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:45:35,984 INFO L413 NwaCegarLoop]: 265 mSDtfsCounter, 301 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 368 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 00:45:35,984 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 353 Invalid, 368 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 00:45:35,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2023-11-29 00:45:35,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 425. [2023-11-29 00:45:35,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 425 states, 272 states have (on average 1.6213235294117647) internal successors, (441), 404 states have internal predecessors, (441), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 00:45:35,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 479 transitions. [2023-11-29 00:45:35,999 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 479 transitions. Word has length 52 [2023-11-29 00:45:35,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:45:35,999 INFO L495 AbstractCegarLoop]: Abstraction has 425 states and 479 transitions. [2023-11-29 00:45:36,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-11-29 00:45:36,000 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 479 transitions. [2023-11-29 00:45:36,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-29 00:45:36,001 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:45:36,001 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:45:36,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2023-11-29 00:45:36,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:45:36,204 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:45:36,204 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:45:36,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1808674979, now seen corresponding path program 1 times [2023-11-29 00:45:36,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:45:36,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044313777] [2023-11-29 00:45:36,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:36,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:45:36,212 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:45:36,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [35690474] [2023-11-29 00:45:36,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:36,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:45:36,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:45:36,213 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:45:36,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-29 00:45:36,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:45:36,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 00:45:36,261 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:45:36,312 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-29 00:45:36,312 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:45:36,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:45:36,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044313777] [2023-11-29 00:45:36,313 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:45:36,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [35690474] [2023-11-29 00:45:36,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [35690474] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:45:36,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:45:36,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:45:36,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166442554] [2023-11-29 00:45:36,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:45:36,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:45:36,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:45:36,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:45:36,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:45:36,314 INFO L87 Difference]: Start difference. First operand 425 states and 479 transitions. Second operand has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 00:45:37,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:45:37,498 INFO L93 Difference]: Finished difference Result 464 states and 483 transitions. [2023-11-29 00:45:37,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:45:37,499 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 61 [2023-11-29 00:45:37,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:45:37,502 INFO L225 Difference]: With dead ends: 464 [2023-11-29 00:45:37,502 INFO L226 Difference]: Without dead ends: 458 [2023-11-29 00:45:37,503 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:45:37,503 INFO L413 NwaCegarLoop]: 255 mSDtfsCounter, 118 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 123 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:45:37,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [123 Valid, 399 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-29 00:45:37,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2023-11-29 00:45:37,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 427. [2023-11-29 00:45:37,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 274 states have (on average 1.602189781021898) internal successors, (439), 406 states have internal predecessors, (439), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 00:45:37,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 477 transitions. [2023-11-29 00:45:37,516 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 477 transitions. Word has length 61 [2023-11-29 00:45:37,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:45:37,517 INFO L495 AbstractCegarLoop]: Abstraction has 427 states and 477 transitions. [2023-11-29 00:45:37,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 00:45:37,517 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 477 transitions. [2023-11-29 00:45:37,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2023-11-29 00:45:37,518 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:45:37,518 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:45:37,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-11-29 00:45:37,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-29 00:45:37,719 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:45:37,719 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:45:37,719 INFO L85 PathProgramCache]: Analyzing trace with hash 2114658273, now seen corresponding path program 1 times [2023-11-29 00:45:37,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:45:37,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150143596] [2023-11-29 00:45:37,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:37,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:45:37,730 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:45:37,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1073820888] [2023-11-29 00:45:37,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:37,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:45:37,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:45:37,732 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:45:37,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-29 00:45:37,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:45:37,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 00:45:37,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:45:37,899 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-29 00:45:37,900 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:45:37,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:45:37,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150143596] [2023-11-29 00:45:37,900 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:45:37,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1073820888] [2023-11-29 00:45:37,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1073820888] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:45:37,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:45:37,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:45:37,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479450442] [2023-11-29 00:45:37,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:45:37,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:45:37,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:45:37,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:45:37,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:45:37,903 INFO L87 Difference]: Start difference. First operand 427 states and 477 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 00:45:38,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:45:38,445 INFO L93 Difference]: Finished difference Result 458 states and 477 transitions. [2023-11-29 00:45:38,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:45:38,446 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 65 [2023-11-29 00:45:38,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:45:38,448 INFO L225 Difference]: With dead ends: 458 [2023-11-29 00:45:38,448 INFO L226 Difference]: Without dead ends: 456 [2023-11-29 00:45:38,448 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:45:38,449 INFO L413 NwaCegarLoop]: 247 mSDtfsCounter, 149 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 418 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 433 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 418 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 00:45:38,449 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 525 Invalid, 433 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 418 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 00:45:38,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2023-11-29 00:45:38,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 427. [2023-11-29 00:45:38,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 274 states have (on average 1.594890510948905) internal successors, (437), 406 states have internal predecessors, (437), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-29 00:45:38,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 475 transitions. [2023-11-29 00:45:38,463 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 475 transitions. Word has length 65 [2023-11-29 00:45:38,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:45:38,463 INFO L495 AbstractCegarLoop]: Abstraction has 427 states and 475 transitions. [2023-11-29 00:45:38,463 INFO L496 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, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 00:45:38,464 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 475 transitions. [2023-11-29 00:45:38,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-29 00:45:38,464 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:45:38,464 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:45:38,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-29 00:45:38,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-29 00:45:38,665 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:45:38,665 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:45:38,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1107578981, now seen corresponding path program 1 times [2023-11-29 00:45:38,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:45:38,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596624968] [2023-11-29 00:45:38,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:38,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:45:38,674 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:45:38,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [345487297] [2023-11-29 00:45:38,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:38,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:45:38,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:45:38,676 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:45:38,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-29 00:45:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:45:38,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 00:45:38,720 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:45:38,873 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-29 00:45:38,873 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:45:38,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:45:38,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596624968] [2023-11-29 00:45:38,873 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:45:38,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [345487297] [2023-11-29 00:45:38,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [345487297] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:45:38,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:45:38,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:45:38,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659831981] [2023-11-29 00:45:38,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:45:38,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:45:38,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:45:38,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:45:38,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:45:38,875 INFO L87 Difference]: Start difference. First operand 427 states and 475 transitions. Second operand has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 00:45:43,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 00:45:47,601 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 00:45:51,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:45:51,246 INFO L93 Difference]: Finished difference Result 540 states and 597 transitions. [2023-11-29 00:45:51,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:45:51,246 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 69 [2023-11-29 00:45:51,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:45:51,249 INFO L225 Difference]: With dead ends: 540 [2023-11-29 00:45:51,249 INFO L226 Difference]: Without dead ends: 497 [2023-11-29 00:45:51,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:45:51,250 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 410 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 352 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:45:51,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [424 Valid, 234 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 352 Invalid, 0 Unknown, 0 Unchecked, 12.3s Time] [2023-11-29 00:45:51,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2023-11-29 00:45:51,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 447. [2023-11-29 00:45:51,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 447 states, 318 states have (on average 1.5660377358490567) internal successors, (498), 423 states have internal predecessors, (498), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-29 00:45:51,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 447 states and 542 transitions. [2023-11-29 00:45:51,268 INFO L78 Accepts]: Start accepts. Automaton has 447 states and 542 transitions. Word has length 69 [2023-11-29 00:45:51,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:45:51,268 INFO L495 AbstractCegarLoop]: Abstraction has 447 states and 542 transitions. [2023-11-29 00:45:51,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.333333333333332) internal successors, (52), 4 states have internal predecessors, (52), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2023-11-29 00:45:51,268 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 542 transitions. [2023-11-29 00:45:51,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-29 00:45:51,269 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:45:51,269 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:45:51,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-11-29 00:45:51,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:45:51,470 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:45:51,470 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:45:51,470 INFO L85 PathProgramCache]: Analyzing trace with hash -760428695, now seen corresponding path program 1 times [2023-11-29 00:45:51,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:45:51,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854682607] [2023-11-29 00:45:51,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:51,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:45:51,480 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:45:51,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [891553537] [2023-11-29 00:45:51,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:51,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:45:51,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:45:51,481 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:45:51,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-29 00:45:51,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:45:51,527 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 00:45:51,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:45:51,634 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-29 00:45:51,634 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:45:51,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:45:51,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854682607] [2023-11-29 00:45:51,635 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:45:51,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [891553537] [2023-11-29 00:45:51,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [891553537] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:45:51,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:45:51,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:45:51,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731715292] [2023-11-29 00:45:51,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:45:51,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:45:51,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:45:51,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:45:51,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:45:51,637 INFO L87 Difference]: Start difference. First operand 447 states and 542 transitions. Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-29 00:45:52,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:45:52,005 INFO L93 Difference]: Finished difference Result 447 states and 542 transitions. [2023-11-29 00:45:52,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:45:52,006 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 87 [2023-11-29 00:45:52,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:45:52,009 INFO L225 Difference]: With dead ends: 447 [2023-11-29 00:45:52,009 INFO L226 Difference]: Without dead ends: 445 [2023-11-29 00:45:52,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:45:52,010 INFO L413 NwaCegarLoop]: 231 mSDtfsCounter, 193 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 00:45:52,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 244 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 00:45:52,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2023-11-29 00:45:52,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 445. [2023-11-29 00:45:52,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 318 states have (on average 1.5471698113207548) internal successors, (492), 421 states have internal predecessors, (492), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-29 00:45:52,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 536 transitions. [2023-11-29 00:45:52,035 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 536 transitions. Word has length 87 [2023-11-29 00:45:52,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:45:52,035 INFO L495 AbstractCegarLoop]: Abstraction has 445 states and 536 transitions. [2023-11-29 00:45:52,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-29 00:45:52,036 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 536 transitions. [2023-11-29 00:45:52,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-29 00:45:52,036 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:45:52,037 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:45:52,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2023-11-29 00:45:52,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-29 00:45:52,237 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:45:52,237 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:45:52,238 INFO L85 PathProgramCache]: Analyzing trace with hash -2098452885, now seen corresponding path program 1 times [2023-11-29 00:45:52,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:45:52,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340602418] [2023-11-29 00:45:52,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:52,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:45:52,249 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:45:52,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1932251866] [2023-11-29 00:45:52,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:52,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:45:52,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:45:52,251 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:45:52,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-29 00:45:52,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:45:52,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 00:45:52,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:45:52,365 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-29 00:45:52,365 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:45:52,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:45:52,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340602418] [2023-11-29 00:45:52,366 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:45:52,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1932251866] [2023-11-29 00:45:52,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1932251866] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:45:52,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:45:52,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:45:52,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998843559] [2023-11-29 00:45:52,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:45:52,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:45:52,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:45:52,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:45:52,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:45:52,367 INFO L87 Difference]: Start difference. First operand 445 states and 536 transitions. Second operand has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 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) [2023-11-29 00:45:52,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:45:52,745 INFO L93 Difference]: Finished difference Result 468 states and 536 transitions. [2023-11-29 00:45:52,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:45:52,746 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 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 88 [2023-11-29 00:45:52,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:45:52,748 INFO L225 Difference]: With dead ends: 468 [2023-11-29 00:45:52,748 INFO L226 Difference]: Without dead ends: 466 [2023-11-29 00:45:52,748 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:45:52,749 INFO L413 NwaCegarLoop]: 211 mSDtfsCounter, 150 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 00:45:52,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 647 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 00:45:52,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2023-11-29 00:45:52,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 445. [2023-11-29 00:45:52,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 318 states have (on average 1.5408805031446542) internal successors, (490), 421 states have internal predecessors, (490), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-29 00:45:52,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 534 transitions. [2023-11-29 00:45:52,767 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 534 transitions. Word has length 88 [2023-11-29 00:45:52,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:45:52,767 INFO L495 AbstractCegarLoop]: Abstraction has 445 states and 534 transitions. [2023-11-29 00:45:52,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 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) [2023-11-29 00:45:52,768 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 534 transitions. [2023-11-29 00:45:52,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-29 00:45:52,769 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:45:52,769 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2023-11-29 00:45:52,775 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-29 00:45:52,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-11-29 00:45:52,970 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:45:52,970 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:45:52,970 INFO L85 PathProgramCache]: Analyzing trace with hash -969912028, now seen corresponding path program 1 times [2023-11-29 00:45:52,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:45:52,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216242334] [2023-11-29 00:45:52,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:52,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:45:52,981 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:45:52,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [515652429] [2023-11-29 00:45:52,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:52,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:45:52,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:45:52,982 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:45:52,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-29 00:45:53,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:45:53,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 00:45:53,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:45:53,133 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-29 00:45:53,133 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:45:53,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:45:53,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216242334] [2023-11-29 00:45:53,133 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:45:53,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [515652429] [2023-11-29 00:45:53,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [515652429] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:45:53,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:45:53,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 00:45:53,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192184028] [2023-11-29 00:45:53,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:45:53,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:45:53,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:45:53,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:45:53,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:45:53,135 INFO L87 Difference]: Start difference. First operand 445 states and 534 transitions. Second operand has 6 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 00:45:53,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:45:53,197 INFO L93 Difference]: Finished difference Result 445 states and 534 transitions. [2023-11-29 00:45:53,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 00:45:53,198 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 87 [2023-11-29 00:45:53,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:45:53,201 INFO L225 Difference]: With dead ends: 445 [2023-11-29 00:45:53,201 INFO L226 Difference]: Without dead ends: 444 [2023-11-29 00:45:53,201 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2023-11-29 00:45:53,202 INFO L413 NwaCegarLoop]: 264 mSDtfsCounter, 395 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 395 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:45:53,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [395 Valid, 528 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 00:45:53,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2023-11-29 00:45:53,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 444. [2023-11-29 00:45:53,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 318 states have (on average 1.5377358490566038) internal successors, (489), 420 states have internal predecessors, (489), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-29 00:45:53,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 533 transitions. [2023-11-29 00:45:53,220 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 533 transitions. Word has length 87 [2023-11-29 00:45:53,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:45:53,221 INFO L495 AbstractCegarLoop]: Abstraction has 444 states and 533 transitions. [2023-11-29 00:45:53,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 5 states have internal predecessors, (65), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 00:45:53,221 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 533 transitions. [2023-11-29 00:45:53,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2023-11-29 00:45:53,222 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:45:53,222 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:45:53,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-11-29 00:45:53,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-11-29 00:45:53,423 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:45:53,423 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:45:53,423 INFO L85 PathProgramCache]: Analyzing trace with hash -627529813, now seen corresponding path program 1 times [2023-11-29 00:45:53,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:45:53,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859494920] [2023-11-29 00:45:53,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:53,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:45:53,431 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:45:53,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [761653887] [2023-11-29 00:45:53,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:53,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:45:53,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:45:53,434 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:45:53,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-11-29 00:45:53,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:45:53,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 00:45:53,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:45:53,571 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-29 00:45:53,571 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:45:53,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:45:53,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [859494920] [2023-11-29 00:45:53,572 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:45:53,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [761653887] [2023-11-29 00:45:53,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [761653887] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:45:53,572 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:45:53,572 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:45:53,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437167101] [2023-11-29 00:45:53,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:45:53,573 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:45:53,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:45:53,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:45:53,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:45:53,574 INFO L87 Difference]: Start difference. First operand 444 states and 533 transitions. Second operand has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-29 00:45:54,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:45:54,263 INFO L93 Difference]: Finished difference Result 465 states and 533 transitions. [2023-11-29 00:45:54,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:45:54,263 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 89 [2023-11-29 00:45:54,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:45:54,266 INFO L225 Difference]: With dead ends: 465 [2023-11-29 00:45:54,266 INFO L226 Difference]: Without dead ends: 457 [2023-11-29 00:45:54,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:45:54,267 INFO L413 NwaCegarLoop]: 242 mSDtfsCounter, 66 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 00:45:54,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 418 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 00:45:54,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2023-11-29 00:45:54,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 444. [2023-11-29 00:45:54,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 444 states, 318 states have (on average 1.5125786163522013) internal successors, (481), 420 states have internal predecessors, (481), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-29 00:45:54,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 525 transitions. [2023-11-29 00:45:54,284 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 525 transitions. Word has length 89 [2023-11-29 00:45:54,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:45:54,284 INFO L495 AbstractCegarLoop]: Abstraction has 444 states and 525 transitions. [2023-11-29 00:45:54,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.0) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-29 00:45:54,285 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 525 transitions. [2023-11-29 00:45:54,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-29 00:45:54,286 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:45:54,286 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2023-11-29 00:45:54,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2023-11-29 00:45:54,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-11-29 00:45:54,488 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:45:54,488 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:45:54,488 INFO L85 PathProgramCache]: Analyzing trace with hash -2501755, now seen corresponding path program 1 times [2023-11-29 00:45:54,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:45:54,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572304750] [2023-11-29 00:45:54,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:54,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:45:54,499 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:45:54,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1324929529] [2023-11-29 00:45:54,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:54,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:45:54,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:45:54,501 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:45:54,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-11-29 00:45:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:45:54,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 00:45:54,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:45:54,674 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-29 00:45:54,674 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:45:54,810 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-29 00:45:54,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:45:54,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572304750] [2023-11-29 00:45:54,810 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:45:54,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324929529] [2023-11-29 00:45:54,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1324929529] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:45:54,811 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:45:54,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 9 [2023-11-29 00:45:54,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623719983] [2023-11-29 00:45:54,811 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:45:54,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 00:45:54,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:45:54,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 00:45:54,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2023-11-29 00:45:54,813 INFO L87 Difference]: Start difference. First operand 444 states and 525 transitions. Second operand has 10 states, 9 states have (on average 14.666666666666666) internal successors, (132), 10 states have internal predecessors, (132), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 00:45:55,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:45:55,038 INFO L93 Difference]: Finished difference Result 1202 states and 1344 transitions. [2023-11-29 00:45:55,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 00:45:55,039 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 14.666666666666666) internal successors, (132), 10 states have internal predecessors, (132), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 88 [2023-11-29 00:45:55,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:45:55,045 INFO L225 Difference]: With dead ends: 1202 [2023-11-29 00:45:55,045 INFO L226 Difference]: Without dead ends: 1043 [2023-11-29 00:45:55,046 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2023-11-29 00:45:55,047 INFO L413 NwaCegarLoop]: 342 mSDtfsCounter, 607 mSDsluCounter, 1892 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 607 SdHoareTripleChecker+Valid, 2234 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:45:55,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [607 Valid, 2234 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:45:55,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1043 states. [2023-11-29 00:45:55,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1043 to 797. [2023-11-29 00:45:55,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 797 states, 644 states have (on average 1.6040372670807452) internal successors, (1033), 748 states have internal predecessors, (1033), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-29 00:45:55,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 1125 transitions. [2023-11-29 00:45:55,081 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 1125 transitions. Word has length 88 [2023-11-29 00:45:55,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:45:55,082 INFO L495 AbstractCegarLoop]: Abstraction has 797 states and 1125 transitions. [2023-11-29 00:45:55,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 14.666666666666666) internal successors, (132), 10 states have internal predecessors, (132), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 00:45:55,082 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1125 transitions. [2023-11-29 00:45:55,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-29 00:45:55,083 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:45:55,083 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2023-11-29 00:45:55,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2023-11-29 00:45:55,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:45:55,284 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:45:55,284 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:45:55,284 INFO L85 PathProgramCache]: Analyzing trace with hash 1890782215, now seen corresponding path program 1 times [2023-11-29 00:45:55,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:45:55,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734389487] [2023-11-29 00:45:55,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:55,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:45:55,293 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:45:55,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1695961794] [2023-11-29 00:45:55,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:55,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:45:55,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:45:55,295 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:45:55,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-11-29 00:45:55,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:45:55,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 00:45:55,344 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:45:55,421 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-29 00:45:55,421 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:45:55,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:45:55,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734389487] [2023-11-29 00:45:55,421 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:45:55,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1695961794] [2023-11-29 00:45:55,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1695961794] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:45:55,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:45:55,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:45:55,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808900908] [2023-11-29 00:45:55,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:45:55,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:45:55,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:45:55,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:45:55,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:45:55,423 INFO L87 Difference]: Start difference. First operand 797 states and 1125 transitions. Second operand has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 00:45:55,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:45:55,537 INFO L93 Difference]: Finished difference Result 810 states and 1125 transitions. [2023-11-29 00:45:55,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:45:55,537 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 90 [2023-11-29 00:45:55,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:45:55,544 INFO L225 Difference]: With dead ends: 810 [2023-11-29 00:45:55,544 INFO L226 Difference]: Without dead ends: 802 [2023-11-29 00:45:55,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:45:55,545 INFO L413 NwaCegarLoop]: 336 mSDtfsCounter, 408 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 421 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:45:55,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [421 Valid, 453 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:45:55,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 802 states. [2023-11-29 00:45:55,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 802 to 789. [2023-11-29 00:45:55,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 789 states, 644 states have (on average 1.56055900621118) internal successors, (1005), 740 states have internal predecessors, (1005), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-29 00:45:55,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 789 states and 1097 transitions. [2023-11-29 00:45:55,582 INFO L78 Accepts]: Start accepts. Automaton has 789 states and 1097 transitions. Word has length 90 [2023-11-29 00:45:55,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:45:55,582 INFO L495 AbstractCegarLoop]: Abstraction has 789 states and 1097 transitions. [2023-11-29 00:45:55,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 22.666666666666668) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2023-11-29 00:45:55,583 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 1097 transitions. [2023-11-29 00:45:55,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-29 00:45:55,583 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:45:55,584 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2023-11-29 00:45:55,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2023-11-29 00:45:55,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:45:55,784 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:45:55,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:45:55,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1515293429, now seen corresponding path program 1 times [2023-11-29 00:45:55,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:45:55,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020233898] [2023-11-29 00:45:55,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:55,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:45:55,793 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:45:55,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1234332660] [2023-11-29 00:45:55,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:55,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:45:55,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:45:55,795 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:45:55,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-11-29 00:45:55,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:45:55,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 00:45:55,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:45:55,933 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-29 00:45:55,933 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:45:56,026 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-29 00:45:56,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:45:56,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020233898] [2023-11-29 00:45:56,026 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:45:56,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1234332660] [2023-11-29 00:45:56,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1234332660] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:45:56,027 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:45:56,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2023-11-29 00:45:56,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515502167] [2023-11-29 00:45:56,027 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:45:56,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:45:56,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:45:56,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:45:56,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:45:56,028 INFO L87 Difference]: Start difference. First operand 789 states and 1097 transitions. Second operand has 6 states, 5 states have (on average 27.0) internal successors, (135), 6 states have internal predecessors, (135), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 00:45:56,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:45:56,212 INFO L93 Difference]: Finished difference Result 904 states and 1124 transitions. [2023-11-29 00:45:56,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:45:56,213 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.0) internal successors, (135), 6 states have internal predecessors, (135), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 91 [2023-11-29 00:45:56,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:45:56,218 INFO L225 Difference]: With dead ends: 904 [2023-11-29 00:45:56,218 INFO L226 Difference]: Without dead ends: 896 [2023-11-29 00:45:56,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:45:56,219 INFO L413 NwaCegarLoop]: 301 mSDtfsCounter, 489 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 507 SdHoareTripleChecker+Valid, 899 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:45:56,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [507 Valid, 899 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 132 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:45:56,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2023-11-29 00:45:56,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 784. [2023-11-29 00:45:56,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 784 states, 644 states have (on average 1.5232919254658386) internal successors, (981), 735 states have internal predecessors, (981), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-29 00:45:56,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1073 transitions. [2023-11-29 00:45:56,253 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1073 transitions. Word has length 91 [2023-11-29 00:45:56,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:45:56,253 INFO L495 AbstractCegarLoop]: Abstraction has 784 states and 1073 transitions. [2023-11-29 00:45:56,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.0) internal successors, (135), 6 states have internal predecessors, (135), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2023-11-29 00:45:56,254 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1073 transitions. [2023-11-29 00:45:56,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-29 00:45:56,255 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:45:56,255 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2023-11-29 00:45:56,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-11-29 00:45:56,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2023-11-29 00:45:56,455 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:45:56,456 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:45:56,456 INFO L85 PathProgramCache]: Analyzing trace with hash 2065209256, now seen corresponding path program 1 times [2023-11-29 00:45:56,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:45:56,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1410281976] [2023-11-29 00:45:56,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:56,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:45:56,464 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:45:56,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1519627432] [2023-11-29 00:45:56,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:56,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:45:56,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:45:56,465 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:45:56,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-11-29 00:45:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:45:56,518 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 00:45:56,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:45:56,608 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-29 00:45:56,608 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:45:56,751 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-29 00:45:56,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:45:56,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1410281976] [2023-11-29 00:45:56,751 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:45:56,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1519627432] [2023-11-29 00:45:56,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1519627432] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:45:56,751 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:45:56,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2023-11-29 00:45:56,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799636642] [2023-11-29 00:45:56,752 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:45:56,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:45:56,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:45:56,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:45:56,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:45:56,753 INFO L87 Difference]: Start difference. First operand 784 states and 1073 transitions. Second operand has 6 states, 5 states have (on average 29.4) internal successors, (147), 6 states have internal predecessors, (147), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2023-11-29 00:45:56,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:45:56,936 INFO L93 Difference]: Finished difference Result 981 states and 1143 transitions. [2023-11-29 00:45:56,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:45:56,937 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 29.4) internal successors, (147), 6 states have internal predecessors, (147), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 102 [2023-11-29 00:45:56,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:45:56,941 INFO L225 Difference]: With dead ends: 981 [2023-11-29 00:45:56,941 INFO L226 Difference]: Without dead ends: 975 [2023-11-29 00:45:56,942 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2023-11-29 00:45:56,942 INFO L413 NwaCegarLoop]: 413 mSDtfsCounter, 808 mSDsluCounter, 786 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 825 SdHoareTripleChecker+Valid, 1199 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:45:56,942 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [825 Valid, 1199 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:45:56,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states. [2023-11-29 00:45:56,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 779. [2023-11-29 00:45:56,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 779 states, 644 states have (on average 1.5031055900621118) internal successors, (968), 730 states have internal predecessors, (968), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-29 00:45:56,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 1060 transitions. [2023-11-29 00:45:56,968 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 1060 transitions. Word has length 102 [2023-11-29 00:45:56,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:45:56,968 INFO L495 AbstractCegarLoop]: Abstraction has 779 states and 1060 transitions. [2023-11-29 00:45:56,968 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 29.4) internal successors, (147), 6 states have internal predecessors, (147), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2023-11-29 00:45:56,968 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1060 transitions. [2023-11-29 00:45:56,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-29 00:45:56,969 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:45:56,969 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:45:56,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2023-11-29 00:45:57,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2023-11-29 00:45:57,170 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:45:57,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:45:57,170 INFO L85 PathProgramCache]: Analyzing trace with hash -1943308681, now seen corresponding path program 1 times [2023-11-29 00:45:57,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:45:57,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552445076] [2023-11-29 00:45:57,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:57,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:45:57,181 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:45:57,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [453948990] [2023-11-29 00:45:57,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:57,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:45:57,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:45:57,183 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:45:57,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-11-29 00:45:57,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:45:57,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 00:45:57,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:45:57,367 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-29 00:45:57,367 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:45:57,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:45:57,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552445076] [2023-11-29 00:45:57,367 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:45:57,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453948990] [2023-11-29 00:45:57,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453948990] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:45:57,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:45:57,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:45:57,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561264698] [2023-11-29 00:45:57,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:45:57,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:45:57,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:45:57,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:45:57,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:45:57,369 INFO L87 Difference]: Start difference. First operand 779 states and 1060 transitions. Second operand has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-29 00:45:58,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:45:58,480 INFO L93 Difference]: Finished difference Result 792 states and 1060 transitions. [2023-11-29 00:45:58,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:45:58,481 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 104 [2023-11-29 00:45:58,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:45:58,486 INFO L225 Difference]: With dead ends: 792 [2023-11-29 00:45:58,486 INFO L226 Difference]: Without dead ends: 791 [2023-11-29 00:45:58,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:45:58,487 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 114 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 364 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 393 SdHoareTripleChecker+Invalid, 365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 364 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:45:58,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 393 Invalid, 365 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 364 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-29 00:45:58,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 791 states. [2023-11-29 00:45:58,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 791 to 779. [2023-11-29 00:45:58,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 779 states, 644 states have (on average 1.5015527950310559) internal successors, (967), 730 states have internal predecessors, (967), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-29 00:45:58,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 1059 transitions. [2023-11-29 00:45:58,516 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 1059 transitions. Word has length 104 [2023-11-29 00:45:58,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:45:58,516 INFO L495 AbstractCegarLoop]: Abstraction has 779 states and 1059 transitions. [2023-11-29 00:45:58,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-29 00:45:58,517 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1059 transitions. [2023-11-29 00:45:58,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-29 00:45:58,517 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:45:58,518 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:45:58,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2023-11-29 00:45:58,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:45:58,718 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:45:58,719 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:45:58,719 INFO L85 PathProgramCache]: Analyzing trace with hash -113026762, now seen corresponding path program 1 times [2023-11-29 00:45:58,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:45:58,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354375686] [2023-11-29 00:45:58,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:58,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:45:58,731 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:45:58,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1059675748] [2023-11-29 00:45:58,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:45:58,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:45:58,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:45:58,733 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:45:58,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-11-29 00:45:58,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:45:58,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 00:45:58,810 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:45:58,955 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-29 00:45:58,955 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:45:58,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:45:58,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354375686] [2023-11-29 00:45:58,955 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:45:58,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1059675748] [2023-11-29 00:45:58,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1059675748] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:45:58,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:45:58,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:45:58,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085778662] [2023-11-29 00:45:58,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:45:58,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:45:58,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:45:58,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:45:58,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:45:58,958 INFO L87 Difference]: Start difference. First operand 779 states and 1059 transitions. Second operand has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-29 00:46:00,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 00:46:00,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:46:00,850 INFO L93 Difference]: Finished difference Result 791 states and 1059 transitions. [2023-11-29 00:46:00,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:46:00,851 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 105 [2023-11-29 00:46:00,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:46:00,854 INFO L225 Difference]: With dead ends: 791 [2023-11-29 00:46:00,854 INFO L226 Difference]: Without dead ends: 790 [2023-11-29 00:46:00,855 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:46:00,855 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 170 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 291 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-29 00:46:00,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 291 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-29 00:46:00,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2023-11-29 00:46:00,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 779. [2023-11-29 00:46:00,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 779 states, 644 states have (on average 1.5) internal successors, (966), 730 states have internal predecessors, (966), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-29 00:46:00,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 1058 transitions. [2023-11-29 00:46:00,881 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 1058 transitions. Word has length 105 [2023-11-29 00:46:00,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:46:00,881 INFO L495 AbstractCegarLoop]: Abstraction has 779 states and 1058 transitions. [2023-11-29 00:46:00,881 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 24.333333333333332) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-29 00:46:00,881 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1058 transitions. [2023-11-29 00:46:00,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-29 00:46:00,882 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:46:00,882 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:46:00,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2023-11-29 00:46:01,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2023-11-29 00:46:01,083 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:46:01,083 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:46:01,083 INFO L85 PathProgramCache]: Analyzing trace with hash 239482367, now seen corresponding path program 1 times [2023-11-29 00:46:01,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:46:01,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404476261] [2023-11-29 00:46:01,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:01,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:46:01,093 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:46:01,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1586283381] [2023-11-29 00:46:01,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:01,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:46:01,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:46:01,094 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:46:01,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-11-29 00:46:01,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:46:01,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 00:46:01,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:46:01,407 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-29 00:46:01,407 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:46:01,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:46:01,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404476261] [2023-11-29 00:46:01,408 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:46:01,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1586283381] [2023-11-29 00:46:01,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1586283381] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:46:01,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:46:01,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 00:46:01,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713054299] [2023-11-29 00:46:01,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:46:01,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 00:46:01,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:46:01,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 00:46:01,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:46:01,410 INFO L87 Difference]: Start difference. First operand 779 states and 1058 transitions. Second operand has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-29 00:46:02,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:46:02,608 INFO L93 Difference]: Finished difference Result 790 states and 1058 transitions. [2023-11-29 00:46:02,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 00:46:02,608 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 112 [2023-11-29 00:46:02,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:46:02,613 INFO L225 Difference]: With dead ends: 790 [2023-11-29 00:46:02,613 INFO L226 Difference]: Without dead ends: 789 [2023-11-29 00:46:02,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-29 00:46:02,614 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 150 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 435 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 435 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:46:02,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 342 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 435 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-29 00:46:02,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2023-11-29 00:46:02,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 779. [2023-11-29 00:46:02,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 779 states, 644 states have (on average 1.4984472049689441) internal successors, (965), 730 states have internal predecessors, (965), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-29 00:46:02,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 1057 transitions. [2023-11-29 00:46:02,645 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 1057 transitions. Word has length 112 [2023-11-29 00:46:02,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:46:02,646 INFO L495 AbstractCegarLoop]: Abstraction has 779 states and 1057 transitions. [2023-11-29 00:46:02,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-29 00:46:02,646 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1057 transitions. [2023-11-29 00:46:02,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-29 00:46:02,648 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:46:02,648 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:46:02,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2023-11-29 00:46:02,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2023-11-29 00:46:02,854 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:46:02,854 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:46:02,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1165980994, now seen corresponding path program 1 times [2023-11-29 00:46:02,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:46:02,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415313371] [2023-11-29 00:46:02,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:02,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:46:02,865 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:46:02,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1681010876] [2023-11-29 00:46:02,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:02,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:46:02,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:46:02,866 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:46:02,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2023-11-29 00:46:02,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:46:02,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 00:46:02,920 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:46:03,045 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-29 00:46:03,046 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:46:03,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:46:03,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415313371] [2023-11-29 00:46:03,046 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:46:03,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1681010876] [2023-11-29 00:46:03,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1681010876] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:46:03,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:46:03,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:46:03,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051275859] [2023-11-29 00:46:03,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:46:03,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:46:03,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:46:03,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:46:03,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:46:03,056 INFO L87 Difference]: Start difference. First operand 779 states and 1057 transitions. Second operand has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-29 00:46:05,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:46:05,621 INFO L93 Difference]: Finished difference Result 789 states and 1057 transitions. [2023-11-29 00:46:05,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:46:05,621 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 113 [2023-11-29 00:46:05,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:46:05,624 INFO L225 Difference]: With dead ends: 789 [2023-11-29 00:46:05,624 INFO L226 Difference]: Without dead ends: 788 [2023-11-29 00:46:05,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:46:05,625 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 117 mSDsluCounter, 209 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 383 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-29 00:46:05,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 375 Invalid, 383 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 369 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-11-29 00:46:05,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 788 states. [2023-11-29 00:46:05,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 788 to 779. [2023-11-29 00:46:05,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 779 states, 644 states have (on average 1.4968944099378882) internal successors, (964), 730 states have internal predecessors, (964), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-29 00:46:05,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 1056 transitions. [2023-11-29 00:46:05,658 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 1056 transitions. Word has length 113 [2023-11-29 00:46:05,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:46:05,658 INFO L495 AbstractCegarLoop]: Abstraction has 779 states and 1056 transitions. [2023-11-29 00:46:05,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 27.0) internal successors, (81), 4 states have internal predecessors, (81), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-29 00:46:05,659 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1056 transitions. [2023-11-29 00:46:05,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-29 00:46:05,660 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:46:05,660 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:46:05,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2023-11-29 00:46:05,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2023-11-29 00:46:05,860 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:46:05,861 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:46:05,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1955919299, now seen corresponding path program 1 times [2023-11-29 00:46:05,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:46:05,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1343369359] [2023-11-29 00:46:05,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:05,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:46:05,869 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:46:05,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [622295108] [2023-11-29 00:46:05,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:05,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:46:05,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:46:05,871 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:46:05,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2023-11-29 00:46:05,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:46:05,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 00:46:05,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:46:06,300 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-29 00:46:06,300 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:46:06,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:46:06,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1343369359] [2023-11-29 00:46:06,300 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:46:06,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [622295108] [2023-11-29 00:46:06,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [622295108] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:46:06,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:46:06,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 00:46:06,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000242647] [2023-11-29 00:46:06,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:46:06,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 00:46:06,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:46:06,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 00:46:06,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:46:06,302 INFO L87 Difference]: Start difference. First operand 779 states and 1056 transitions. Second operand has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-29 00:46:07,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:46:07,094 INFO L93 Difference]: Finished difference Result 788 states and 1056 transitions. [2023-11-29 00:46:07,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 00:46:07,094 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 116 [2023-11-29 00:46:07,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:46:07,099 INFO L225 Difference]: With dead ends: 788 [2023-11-29 00:46:07,099 INFO L226 Difference]: Without dead ends: 786 [2023-11-29 00:46:07,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-29 00:46:07,100 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 133 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 518 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 524 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-29 00:46:07,100 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 259 Invalid, 524 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 518 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-29 00:46:07,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2023-11-29 00:46:07,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 779. [2023-11-29 00:46:07,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 779 states, 644 states have (on average 1.4937888198757765) internal successors, (962), 730 states have internal predecessors, (962), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-29 00:46:07,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 1054 transitions. [2023-11-29 00:46:07,123 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 1054 transitions. Word has length 116 [2023-11-29 00:46:07,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:46:07,124 INFO L495 AbstractCegarLoop]: Abstraction has 779 states and 1054 transitions. [2023-11-29 00:46:07,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.0) internal successors, (84), 5 states have internal predecessors, (84), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-29 00:46:07,124 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1054 transitions. [2023-11-29 00:46:07,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2023-11-29 00:46:07,125 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:46:07,125 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:46:07,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2023-11-29 00:46:07,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2023-11-29 00:46:07,326 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:46:07,326 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:46:07,326 INFO L85 PathProgramCache]: Analyzing trace with hash 503956354, now seen corresponding path program 1 times [2023-11-29 00:46:07,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:46:07,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71745696] [2023-11-29 00:46:07,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:07,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:46:07,334 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:46:07,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1798815721] [2023-11-29 00:46:07,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:07,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:46:07,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:46:07,335 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:46:07,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2023-11-29 00:46:07,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:46:07,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 00:46:07,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:46:07,935 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-29 00:46:07,935 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:46:07,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:46:07,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71745696] [2023-11-29 00:46:07,935 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:46:07,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798815721] [2023-11-29 00:46:07,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1798815721] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:46:07,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:46:07,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:46:07,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1369000805] [2023-11-29 00:46:07,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:46:07,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:46:07,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:46:07,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:46:07,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:46:07,937 INFO L87 Difference]: Start difference. First operand 779 states and 1054 transitions. Second operand has 4 states, 3 states have (on average 28.333333333333332) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-29 00:46:08,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:46:08,557 INFO L93 Difference]: Finished difference Result 786 states and 1054 transitions. [2023-11-29 00:46:08,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:46:08,557 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 28.333333333333332) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 117 [2023-11-29 00:46:08,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:46:08,561 INFO L225 Difference]: With dead ends: 786 [2023-11-29 00:46:08,561 INFO L226 Difference]: Without dead ends: 784 [2023-11-29 00:46:08,561 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 00:46:08,561 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 94 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 509 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 509 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 00:46:08,562 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 249 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 509 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 00:46:08,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2023-11-29 00:46:08,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 779. [2023-11-29 00:46:08,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 779 states, 644 states have (on average 1.4906832298136645) internal successors, (960), 730 states have internal predecessors, (960), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-29 00:46:08,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 779 states and 1052 transitions. [2023-11-29 00:46:08,582 INFO L78 Accepts]: Start accepts. Automaton has 779 states and 1052 transitions. Word has length 117 [2023-11-29 00:46:08,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:46:08,582 INFO L495 AbstractCegarLoop]: Abstraction has 779 states and 1052 transitions. [2023-11-29 00:46:08,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.333333333333332) internal successors, (85), 4 states have internal predecessors, (85), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-29 00:46:08,582 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1052 transitions. [2023-11-29 00:46:08,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2023-11-29 00:46:08,583 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:46:08,583 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:46:08,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2023-11-29 00:46:08,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2023-11-29 00:46:08,784 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:46:08,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:46:08,784 INFO L85 PathProgramCache]: Analyzing trace with hash -195471728, now seen corresponding path program 1 times [2023-11-29 00:46:08,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:46:08,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108421660] [2023-11-29 00:46:08,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:08,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:46:08,792 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:46:08,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [19772778] [2023-11-29 00:46:08,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:08,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:46:08,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:46:08,793 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:46:08,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2023-11-29 00:46:08,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:46:08,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-29 00:46:08,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:46:09,170 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-29 00:46:09,170 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:46:13,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:46:13,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108421660] [2023-11-29 00:46:13,438 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:46:13,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [19772778] [2023-11-29 00:46:13,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [19772778] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:46:13,439 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:46:13,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2023-11-29 00:46:13,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597090934] [2023-11-29 00:46:13,439 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 00:46:13,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:46:13,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:46:13,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:46:13,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=41, Unknown=1, NotChecked=0, Total=72 [2023-11-29 00:46:13,440 INFO L87 Difference]: Start difference. First operand 779 states and 1052 transitions. Second operand has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 00:46:15,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:46:15,009 INFO L93 Difference]: Finished difference Result 879 states and 1079 transitions. [2023-11-29 00:46:15,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:46:15,010 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 124 [2023-11-29 00:46:15,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:46:15,013 INFO L225 Difference]: With dead ends: 879 [2023-11-29 00:46:15,013 INFO L226 Difference]: Without dead ends: 861 [2023-11-29 00:46:15,014 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=30, Invalid=41, Unknown=1, NotChecked=0, Total=72 [2023-11-29 00:46:15,014 INFO L413 NwaCegarLoop]: 217 mSDtfsCounter, 300 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 878 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 458 SdHoareTripleChecker+Invalid, 898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 878 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-29 00:46:15,014 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 458 Invalid, 898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 878 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-29 00:46:15,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2023-11-29 00:46:15,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 787. [2023-11-29 00:46:15,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 787 states, 652 states have (on average 1.4662576687116564) internal successors, (956), 737 states have internal predecessors, (956), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-29 00:46:15,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 1048 transitions. [2023-11-29 00:46:15,039 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 1048 transitions. Word has length 124 [2023-11-29 00:46:15,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:46:15,039 INFO L495 AbstractCegarLoop]: Abstraction has 787 states and 1048 transitions. [2023-11-29 00:46:15,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 00:46:15,039 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 1048 transitions. [2023-11-29 00:46:15,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-29 00:46:15,040 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:46:15,040 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:46:15,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2023-11-29 00:46:15,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2023-11-29 00:46:15,241 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:46:15,241 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:46:15,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1764656181, now seen corresponding path program 1 times [2023-11-29 00:46:15,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:46:15,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520461263] [2023-11-29 00:46:15,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:15,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:46:15,250 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:46:15,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1952430332] [2023-11-29 00:46:15,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:15,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:46:15,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:46:15,252 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:46:15,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2023-11-29 00:46:15,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:46:15,314 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 00:46:15,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:46:15,507 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-29 00:46:15,507 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:46:15,664 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-29 00:46:15,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:46:15,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520461263] [2023-11-29 00:46:15,665 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:46:15,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1952430332] [2023-11-29 00:46:15,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1952430332] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:46:15,665 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:46:15,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2023-11-29 00:46:15,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859755869] [2023-11-29 00:46:15,665 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:46:15,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:46:15,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:46:15,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:46:15,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:46:15,667 INFO L87 Difference]: Start difference. First operand 787 states and 1048 transitions. Second operand has 6 states, 5 states have (on average 34.6) internal successors, (173), 6 states have internal predecessors, (173), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2023-11-29 00:46:18,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 00:46:19,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:46:19,800 INFO L93 Difference]: Finished difference Result 885 states and 1061 transitions. [2023-11-29 00:46:19,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 00:46:19,801 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 34.6) internal successors, (173), 6 states have internal predecessors, (173), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 125 [2023-11-29 00:46:19,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:46:19,805 INFO L225 Difference]: With dead ends: 885 [2023-11-29 00:46:19,805 INFO L226 Difference]: Without dead ends: 880 [2023-11-29 00:46:19,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 244 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2023-11-29 00:46:19,806 INFO L413 NwaCegarLoop]: 259 mSDtfsCounter, 479 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 845 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 494 SdHoareTripleChecker+Valid, 744 SdHoareTripleChecker+Invalid, 880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:46:19,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [494 Valid, 744 Invalid, 880 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 845 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-11-29 00:46:19,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2023-11-29 00:46:19,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 786. [2023-11-29 00:46:19,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 786 states, 652 states have (on average 1.4478527607361964) internal successors, (944), 736 states have internal predecessors, (944), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-29 00:46:19,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 1036 transitions. [2023-11-29 00:46:19,845 INFO L78 Accepts]: Start accepts. Automaton has 786 states and 1036 transitions. Word has length 125 [2023-11-29 00:46:19,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:46:19,846 INFO L495 AbstractCegarLoop]: Abstraction has 786 states and 1036 transitions. [2023-11-29 00:46:19,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 34.6) internal successors, (173), 6 states have internal predecessors, (173), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2023-11-29 00:46:19,846 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1036 transitions. [2023-11-29 00:46:19,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-29 00:46:19,847 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:46:19,847 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:46:19,852 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2023-11-29 00:46:20,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:46:20,048 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:46:20,048 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:46:20,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1130233330, now seen corresponding path program 1 times [2023-11-29 00:46:20,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:46:20,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416453167] [2023-11-29 00:46:20,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:20,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:46:20,058 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:46:20,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [489442954] [2023-11-29 00:46:20,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:20,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:46:20,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:46:20,059 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:46:20,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2023-11-29 00:46:20,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:46:20,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 00:46:20,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:46:20,388 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-29 00:46:20,388 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:46:20,585 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-29 00:46:20,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:46:20,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416453167] [2023-11-29 00:46:20,585 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:46:20,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [489442954] [2023-11-29 00:46:20,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [489442954] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:46:20,585 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:46:20,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2023-11-29 00:46:20,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231010580] [2023-11-29 00:46:20,586 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:46:20,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:46:20,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:46:20,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:46:20,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:46:20,587 INFO L87 Difference]: Start difference. First operand 786 states and 1036 transitions. Second operand has 6 states, 5 states have (on average 35.0) internal successors, (175), 6 states have internal predecessors, (175), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2023-11-29 00:46:24,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:46:24,709 INFO L93 Difference]: Finished difference Result 881 states and 1049 transitions. [2023-11-29 00:46:24,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 00:46:24,709 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 35.0) internal successors, (175), 6 states have internal predecessors, (175), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 126 [2023-11-29 00:46:24,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:46:24,714 INFO L225 Difference]: With dead ends: 881 [2023-11-29 00:46:24,714 INFO L226 Difference]: Without dead ends: 876 [2023-11-29 00:46:24,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2023-11-29 00:46:24,715 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 534 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 670 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 549 SdHoareTripleChecker+Valid, 634 SdHoareTripleChecker+Invalid, 694 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:46:24,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [549 Valid, 634 Invalid, 694 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 670 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-11-29 00:46:24,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 876 states. [2023-11-29 00:46:24,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 876 to 785. [2023-11-29 00:46:24,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 785 states, 652 states have (on average 1.4294478527607362) internal successors, (932), 735 states have internal predecessors, (932), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-29 00:46:24,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 1024 transitions. [2023-11-29 00:46:24,746 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 1024 transitions. Word has length 126 [2023-11-29 00:46:24,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:46:24,746 INFO L495 AbstractCegarLoop]: Abstraction has 785 states and 1024 transitions. [2023-11-29 00:46:24,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 35.0) internal successors, (175), 6 states have internal predecessors, (175), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2023-11-29 00:46:24,746 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1024 transitions. [2023-11-29 00:46:24,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-29 00:46:24,747 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:46:24,747 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:46:24,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2023-11-29 00:46:24,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:46:24,948 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:46:24,948 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:46:24,948 INFO L85 PathProgramCache]: Analyzing trace with hash 677494957, now seen corresponding path program 1 times [2023-11-29 00:46:24,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:46:24,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651841132] [2023-11-29 00:46:24,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:24,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:46:24,958 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:46:24,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [931127844] [2023-11-29 00:46:24,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:24,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:46:24,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:46:24,960 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:46:24,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2023-11-29 00:46:25,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:46:25,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 00:46:25,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:46:25,427 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-29 00:46:25,427 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:46:33,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:46:33,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651841132] [2023-11-29 00:46:33,740 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:46:33,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [931127844] [2023-11-29 00:46:33,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [931127844] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:46:33,740 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:46:33,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2023-11-29 00:46:33,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438038007] [2023-11-29 00:46:33,740 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 00:46:33,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:46:33,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:46:33,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:46:33,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=55, Unknown=2, NotChecked=0, Total=90 [2023-11-29 00:46:33,742 INFO L87 Difference]: Start difference. First operand 785 states and 1024 transitions. Second operand has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 00:46:35,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:46:35,692 INFO L93 Difference]: Finished difference Result 849 states and 1037 transitions. [2023-11-29 00:46:35,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:46:35,692 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 127 [2023-11-29 00:46:35,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:46:35,696 INFO L225 Difference]: With dead ends: 849 [2023-11-29 00:46:35,696 INFO L226 Difference]: Without dead ends: 839 [2023-11-29 00:46:35,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=33, Invalid=55, Unknown=2, NotChecked=0, Total=90 [2023-11-29 00:46:35,697 INFO L413 NwaCegarLoop]: 213 mSDtfsCounter, 275 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 1077 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 1089 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1077 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-29 00:46:35,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 453 Invalid, 1089 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 1077 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-29 00:46:35,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2023-11-29 00:46:35,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 792. [2023-11-29 00:46:35,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 792 states, 659 states have (on average 1.417298937784522) internal successors, (934), 742 states have internal predecessors, (934), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-29 00:46:35,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 1026 transitions. [2023-11-29 00:46:35,728 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 1026 transitions. Word has length 127 [2023-11-29 00:46:35,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:46:35,728 INFO L495 AbstractCegarLoop]: Abstraction has 792 states and 1026 transitions. [2023-11-29 00:46:35,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 00:46:35,728 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1026 transitions. [2023-11-29 00:46:35,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2023-11-29 00:46:35,729 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:46:35,729 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:46:35,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2023-11-29 00:46:35,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:46:35,930 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:46:35,930 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:46:35,930 INFO L85 PathProgramCache]: Analyzing trace with hash -472492716, now seen corresponding path program 1 times [2023-11-29 00:46:35,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:46:35,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306659569] [2023-11-29 00:46:35,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:35,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:46:35,940 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:46:35,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [552726989] [2023-11-29 00:46:35,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:35,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:46:35,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:46:35,942 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:46:35,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2023-11-29 00:46:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:46:35,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 00:46:36,000 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:46:36,249 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-29 00:46:36,249 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:46:37,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:46:37,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306659569] [2023-11-29 00:46:37,069 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:46:37,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [552726989] [2023-11-29 00:46:37,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [552726989] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:46:37,069 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:46:37,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2023-11-29 00:46:37,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009995908] [2023-11-29 00:46:37,069 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 00:46:37,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 00:46:37,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:46:37,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 00:46:37,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-11-29 00:46:37,071 INFO L87 Difference]: Start difference. First operand 792 states and 1026 transitions. Second operand has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 00:46:38,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:46:38,584 INFO L93 Difference]: Finished difference Result 839 states and 1027 transitions. [2023-11-29 00:46:38,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:46:38,584 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 128 [2023-11-29 00:46:38,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:46:38,588 INFO L225 Difference]: With dead ends: 839 [2023-11-29 00:46:38,588 INFO L226 Difference]: Without dead ends: 837 [2023-11-29 00:46:38,588 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2023-11-29 00:46:38,588 INFO L413 NwaCegarLoop]: 232 mSDtfsCounter, 362 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 627 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 485 SdHoareTripleChecker+Invalid, 640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 00:46:38,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 485 Invalid, 640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 627 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 00:46:38,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 837 states. [2023-11-29 00:46:38,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 837 to 792. [2023-11-29 00:46:38,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 792 states, 659 states have (on average 1.4142640364188164) internal successors, (932), 742 states have internal predecessors, (932), 46 states have call successors, (46), 4 states have call predecessors, (46), 4 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-29 00:46:38,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 1024 transitions. [2023-11-29 00:46:38,619 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 1024 transitions. Word has length 128 [2023-11-29 00:46:38,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:46:38,619 INFO L495 AbstractCegarLoop]: Abstraction has 792 states and 1024 transitions. [2023-11-29 00:46:38,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 states have internal predecessors, (91), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 00:46:38,620 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1024 transitions. [2023-11-29 00:46:38,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-29 00:46:38,621 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:46:38,621 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:46:38,625 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2023-11-29 00:46:38,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:46:38,821 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:46:38,822 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:46:38,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1150151656, now seen corresponding path program 1 times [2023-11-29 00:46:38,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:46:38,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865539872] [2023-11-29 00:46:38,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:38,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:46:38,829 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:46:38,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [248687133] [2023-11-29 00:46:38,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:38,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:46:38,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:46:38,831 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:46:38,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2023-11-29 00:46:38,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:46:38,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 00:46:38,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:46:39,742 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-29 00:46:39,742 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:46:39,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:46:39,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [865539872] [2023-11-29 00:46:39,855 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:46:39,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248687133] [2023-11-29 00:46:39,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [248687133] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:46:39,856 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:46:39,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2023-11-29 00:46:39,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186061913] [2023-11-29 00:46:39,856 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 00:46:39,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:46:39,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:46:39,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:46:39,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-29 00:46:39,857 INFO L87 Difference]: Start difference. First operand 792 states and 1024 transitions. Second operand has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 00:46:43,366 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 00:46:45,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 00:46:46,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:46:46,016 INFO L93 Difference]: Finished difference Result 860 states and 1059 transitions. [2023-11-29 00:46:46,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 00:46:46,017 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 132 [2023-11-29 00:46:46,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:46:46,020 INFO L225 Difference]: With dead ends: 860 [2023-11-29 00:46:46,020 INFO L226 Difference]: Without dead ends: 844 [2023-11-29 00:46:46,020 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2023-11-29 00:46:46,021 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 503 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 937 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 506 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 975 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 937 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:46:46,021 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [506 Valid, 328 Invalid, 975 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 937 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2023-11-29 00:46:46,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 844 states. [2023-11-29 00:46:46,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 844 to 803. [2023-11-29 00:46:46,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 803 states, 681 states have (on average 1.3582966226138031) internal successors, (925), 752 states have internal predecessors, (925), 48 states have call successors, (48), 4 states have call predecessors, (48), 4 states have return successors, (48), 46 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-29 00:46:46,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 1021 transitions. [2023-11-29 00:46:46,043 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 1021 transitions. Word has length 132 [2023-11-29 00:46:46,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:46:46,043 INFO L495 AbstractCegarLoop]: Abstraction has 803 states and 1021 transitions. [2023-11-29 00:46:46,043 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 00:46:46,043 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1021 transitions. [2023-11-29 00:46:46,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-29 00:46:46,044 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:46:46,044 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:46:46,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2023-11-29 00:46:46,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:46:46,244 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr97ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:46:46,245 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:46:46,245 INFO L85 PathProgramCache]: Analyzing trace with hash 2216979, now seen corresponding path program 1 times [2023-11-29 00:46:46,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:46:46,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994607587] [2023-11-29 00:46:46,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:46,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:46:46,253 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:46:46,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [490593221] [2023-11-29 00:46:46,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:46,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:46:46,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:46:46,255 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:46:46,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2023-11-29 00:46:46,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:46:46,323 INFO L262 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-29 00:46:46,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:46:46,626 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 15 proven. 21 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2023-11-29 00:46:46,626 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:46:46,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:46:46,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994607587] [2023-11-29 00:46:46,703 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:46:46,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [490593221] [2023-11-29 00:46:46,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [490593221] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:46:46,703 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:46:46,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2023-11-29 00:46:46,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052923570] [2023-11-29 00:46:46,704 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 00:46:46,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 00:46:46,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:46:46,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 00:46:46,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-29 00:46:46,705 INFO L87 Difference]: Start difference. First operand 803 states and 1021 transitions. Second operand has 7 states, 6 states have (on average 16.666666666666668) internal successors, (100), 7 states have internal predecessors, (100), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 00:46:48,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:46:48,072 INFO L93 Difference]: Finished difference Result 810 states and 1023 transitions. [2023-11-29 00:46:48,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 00:46:48,073 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.666666666666668) internal successors, (100), 7 states have internal predecessors, (100), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 134 [2023-11-29 00:46:48,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:46:48,076 INFO L225 Difference]: With dead ends: 810 [2023-11-29 00:46:48,076 INFO L226 Difference]: Without dead ends: 808 [2023-11-29 00:46:48,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-11-29 00:46:48,077 INFO L413 NwaCegarLoop]: 119 mSDtfsCounter, 214 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 912 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 508 SdHoareTripleChecker+Invalid, 934 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:46:48,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [214 Valid, 508 Invalid, 934 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 912 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-29 00:46:48,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2023-11-29 00:46:48,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 803. [2023-11-29 00:46:48,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 803 states, 681 states have (on average 1.355359765051395) internal successors, (923), 752 states have internal predecessors, (923), 48 states have call successors, (48), 4 states have call predecessors, (48), 4 states have return successors, (48), 46 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-29 00:46:48,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 1019 transitions. [2023-11-29 00:46:48,101 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 1019 transitions. Word has length 134 [2023-11-29 00:46:48,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:46:48,102 INFO L495 AbstractCegarLoop]: Abstraction has 803 states and 1019 transitions. [2023-11-29 00:46:48,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.666666666666668) internal successors, (100), 7 states have internal predecessors, (100), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 00:46:48,102 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 1019 transitions. [2023-11-29 00:46:48,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-29 00:46:48,103 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:46:48,103 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-29 00:46:48,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2023-11-29 00:46:48,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2023-11-29 00:46:48,303 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:46:48,304 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:46:48,304 INFO L85 PathProgramCache]: Analyzing trace with hash -842231076, now seen corresponding path program 1 times [2023-11-29 00:46:48,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:46:48,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433364151] [2023-11-29 00:46:48,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:48,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:46:48,314 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:46:48,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1859067314] [2023-11-29 00:46:48,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:48,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:46:48,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:46:48,315 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:46:48,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2023-11-29 00:46:48,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:46:48,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 00:46:48,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:46:48,866 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-29 00:46:48,867 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:46:54,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:46:54,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433364151] [2023-11-29 00:46:54,710 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:46:54,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859067314] [2023-11-29 00:46:54,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1859067314] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:46:54,711 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:46:54,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2023-11-29 00:46:54,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428203249] [2023-11-29 00:46:54,711 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 00:46:54,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 00:46:54,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:46:54,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 00:46:54,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2023-11-29 00:46:54,712 INFO L87 Difference]: Start difference. First operand 803 states and 1019 transitions. Second operand has 7 states, 6 states have (on average 16.5) internal successors, (99), 7 states have internal predecessors, (99), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 00:46:59,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:46:59,165 INFO L93 Difference]: Finished difference Result 826 states and 1019 transitions. [2023-11-29 00:46:59,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 00:46:59,165 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.5) internal successors, (99), 7 states have internal predecessors, (99), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 136 [2023-11-29 00:46:59,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:46:59,168 INFO L225 Difference]: With dead ends: 826 [2023-11-29 00:46:59,168 INFO L226 Difference]: Without dead ends: 790 [2023-11-29 00:46:59,168 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2023-11-29 00:46:59,169 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 459 mSDsluCounter, 299 mSDsCounter, 0 mSdLazyCounter, 1063 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 1102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:46:59,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [462 Valid, 423 Invalid, 1102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1063 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2023-11-29 00:46:59,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2023-11-29 00:46:59,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 736. [2023-11-29 00:46:59,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 736 states, 624 states have (on average 1.3509615384615385) internal successors, (843), 688 states have internal predecessors, (843), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 43 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-29 00:46:59,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 736 states and 931 transitions. [2023-11-29 00:46:59,191 INFO L78 Accepts]: Start accepts. Automaton has 736 states and 931 transitions. Word has length 136 [2023-11-29 00:46:59,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:46:59,191 INFO L495 AbstractCegarLoop]: Abstraction has 736 states and 931 transitions. [2023-11-29 00:46:59,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.5) internal successors, (99), 7 states have internal predecessors, (99), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 00:46:59,191 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 931 transitions. [2023-11-29 00:46:59,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-11-29 00:46:59,192 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:46:59,192 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:46:59,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2023-11-29 00:46:59,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:46:59,393 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr105ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:46:59,393 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:46:59,393 INFO L85 PathProgramCache]: Analyzing trace with hash -135610085, now seen corresponding path program 1 times [2023-11-29 00:46:59,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:46:59,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872768258] [2023-11-29 00:46:59,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:59,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:46:59,402 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:46:59,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [753592933] [2023-11-29 00:46:59,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:46:59,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:46:59,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:46:59,403 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:46:59,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2023-11-29 00:46:59,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:46:59,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 00:46:59,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:46:59,756 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-29 00:46:59,756 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:46:59,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:46:59,756 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872768258] [2023-11-29 00:46:59,757 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:46:59,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [753592933] [2023-11-29 00:46:59,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [753592933] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:46:59,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:46:59,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 00:46:59,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496512345] [2023-11-29 00:46:59,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:46:59,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 00:46:59,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:46:59,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 00:46:59,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:46:59,758 INFO L87 Difference]: Start difference. First operand 736 states and 931 transitions. Second operand has 4 states, 3 states have (on average 35.0) internal successors, (105), 4 states have internal predecessors, (105), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-29 00:47:00,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:47:00,227 INFO L93 Difference]: Finished difference Result 746 states and 940 transitions. [2023-11-29 00:47:00,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 00:47:00,228 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 35.0) internal successors, (105), 4 states have internal predecessors, (105), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 142 [2023-11-29 00:47:00,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:47:00,232 INFO L225 Difference]: With dead ends: 746 [2023-11-29 00:47:00,232 INFO L226 Difference]: Without dead ends: 745 [2023-11-29 00:47:00,232 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 00:47:00,233 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 117 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 00:47:00,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 241 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 00:47:00,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2023-11-29 00:47:00,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 737. [2023-11-29 00:47:00,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 737 states, 625 states have (on average 1.3504) internal successors, (844), 689 states have internal predecessors, (844), 44 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (44), 43 states have call predecessors, (44), 44 states have call successors, (44) [2023-11-29 00:47:00,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 932 transitions. [2023-11-29 00:47:00,260 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 932 transitions. Word has length 142 [2023-11-29 00:47:00,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:47:00,260 INFO L495 AbstractCegarLoop]: Abstraction has 737 states and 932 transitions. [2023-11-29 00:47:00,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 35.0) internal successors, (105), 4 states have internal predecessors, (105), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-29 00:47:00,260 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 932 transitions. [2023-11-29 00:47:00,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-29 00:47:00,261 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:47:00,261 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-29 00:47:00,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2023-11-29 00:47:00,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:47:00,462 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:47:00,462 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:47:00,462 INFO L85 PathProgramCache]: Analyzing trace with hash 2012714209, now seen corresponding path program 1 times [2023-11-29 00:47:00,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:47:00,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368176012] [2023-11-29 00:47:00,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:47:00,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:47:00,470 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:47:00,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [556090763] [2023-11-29 00:47:00,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:47:00,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:47:00,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:47:00,471 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:47:00,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2023-11-29 00:47:00,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:47:00,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-29 00:47:00,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:47:00,637 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-29 00:47:00,637 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:47:00,835 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2023-11-29 00:47:00,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:47:00,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368176012] [2023-11-29 00:47:00,835 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:47:00,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [556090763] [2023-11-29 00:47:00,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [556090763] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:47:00,836 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:47:00,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2023-11-29 00:47:00,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138944966] [2023-11-29 00:47:00,836 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:47:00,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:47:00,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:47:00,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:47:00,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2023-11-29 00:47:00,838 INFO L87 Difference]: Start difference. First operand 737 states and 932 transitions. Second operand has 6 states, 5 states have (on average 40.6) internal successors, (203), 6 states have internal predecessors, (203), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2023-11-29 00:47:07,004 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 [] [2023-11-29 00:47:11,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 00:47:15,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 00:47:19,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 00:47:23,487 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 00:47:27,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 00:47:31,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 00:47:35,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 00:47:39,679 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 00:47:43,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 00:47:47,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 00:47:51,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 00:47:55,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 00:47:59,908 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 00:48:03,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 00:48:08,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 00:48:12,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 00:48:16,085 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 00:48:20,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 00:48:24,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 00:48:28,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 00:48:32,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 00:48:33,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 00:48:37,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 00:48:40,339 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 00:48:42,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 00:48:43,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:48:43,638 INFO L93 Difference]: Finished difference Result 1000 states and 1119 transitions. [2023-11-29 00:48:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:48:43,638 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 40.6) internal successors, (203), 6 states have internal predecessors, (203), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 145 [2023-11-29 00:48:43,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:48:43,644 INFO L225 Difference]: With dead ends: 1000 [2023-11-29 00:48:43,644 INFO L226 Difference]: Without dead ends: 997 [2023-11-29 00:48:43,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2023-11-29 00:48:43,644 INFO L413 NwaCegarLoop]: 189 mSDtfsCounter, 713 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 729 mSolverCounterSat, 22 mSolverCounterUnsat, 23 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 102.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 726 SdHoareTripleChecker+Valid, 583 SdHoareTripleChecker+Invalid, 774 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 729 IncrementalHoareTripleChecker+Invalid, 23 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 102.7s IncrementalHoareTripleChecker+Time [2023-11-29 00:48:43,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [726 Valid, 583 Invalid, 774 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 729 Invalid, 23 Unknown, 0 Unchecked, 102.7s Time] [2023-11-29 00:48:43,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2023-11-29 00:48:43,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 810. [2023-11-29 00:48:43,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 810 states, 692 states have (on average 1.3526011560693643) internal successors, (936), 756 states have internal predecessors, (936), 50 states have call successors, (50), 4 states have call predecessors, (50), 4 states have return successors, (50), 49 states have call predecessors, (50), 50 states have call successors, (50) [2023-11-29 00:48:43,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 810 states and 1036 transitions. [2023-11-29 00:48:43,670 INFO L78 Accepts]: Start accepts. Automaton has 810 states and 1036 transitions. Word has length 145 [2023-11-29 00:48:43,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:48:43,670 INFO L495 AbstractCegarLoop]: Abstraction has 810 states and 1036 transitions. [2023-11-29 00:48:43,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 40.6) internal successors, (203), 6 states have internal predecessors, (203), 4 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2023-11-29 00:48:43,670 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1036 transitions. [2023-11-29 00:48:43,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-11-29 00:48:43,671 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:48:43,671 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:48:43,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2023-11-29 00:48:43,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2023-11-29 00:48:43,872 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr109ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:48:43,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:48:43,872 INFO L85 PathProgramCache]: Analyzing trace with hash -1801549921, now seen corresponding path program 1 times [2023-11-29 00:48:43,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:48:43,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016451842] [2023-11-29 00:48:43,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:48:43,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:48:43,880 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:48:43,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [863976973] [2023-11-29 00:48:43,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:48:43,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:48:43,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:48:43,882 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:48:43,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2023-11-29 00:48:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:48:43,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 00:48:43,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:48:44,402 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-29 00:48:44,402 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 00:48:44,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:48:44,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016451842] [2023-11-29 00:48:44,402 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:48:44,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [863976973] [2023-11-29 00:48:44,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [863976973] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 00:48:44,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 00:48:44,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 00:48:44,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823804691] [2023-11-29 00:48:44,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 00:48:44,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 00:48:44,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:48:44,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 00:48:44,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:48:44,404 INFO L87 Difference]: Start difference. First operand 810 states and 1036 transitions. Second operand has 3 states, 2 states have (on average 54.5) internal successors, (109), 3 states have internal predecessors, (109), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-29 00:48:45,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:48:45,037 INFO L93 Difference]: Finished difference Result 818 states and 1043 transitions. [2023-11-29 00:48:45,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 00:48:45,037 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 54.5) internal successors, (109), 3 states have internal predecessors, (109), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 146 [2023-11-29 00:48:45,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:48:45,040 INFO L225 Difference]: With dead ends: 818 [2023-11-29 00:48:45,041 INFO L226 Difference]: Without dead ends: 757 [2023-11-29 00:48:45,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 00:48:45,041 INFO L413 NwaCegarLoop]: 153 mSDtfsCounter, 6 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 245 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 00:48:45,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 216 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 245 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 00:48:45,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2023-11-29 00:48:45,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 757. [2023-11-29 00:48:45,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 757 states, 642 states have (on average 1.3785046728971964) internal successors, (885), 706 states have internal predecessors, (885), 47 states have call successors, (47), 4 states have call predecessors, (47), 4 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2023-11-29 00:48:45,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 979 transitions. [2023-11-29 00:48:45,064 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 979 transitions. Word has length 146 [2023-11-29 00:48:45,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:48:45,065 INFO L495 AbstractCegarLoop]: Abstraction has 757 states and 979 transitions. [2023-11-29 00:48:45,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 54.5) internal successors, (109), 3 states have internal predecessors, (109), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2023-11-29 00:48:45,065 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 979 transitions. [2023-11-29 00:48:45,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-29 00:48:45,066 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:48:45,066 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-29 00:48:45,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2023-11-29 00:48:45,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2023-11-29 00:48:45,266 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:48:45,266 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:48:45,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1454534654, now seen corresponding path program 1 times [2023-11-29 00:48:45,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:48:45,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68254304] [2023-11-29 00:48:45,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:48:45,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:48:45,275 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:48:45,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [310604321] [2023-11-29 00:48:45,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:48:45,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:48:45,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:48:45,277 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:48:45,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2023-11-29 00:48:45,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:48:45,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 00:48:45,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:48:45,729 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-29 00:48:45,729 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:48:45,931 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2023-11-29 00:48:45,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:48:45,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [68254304] [2023-11-29 00:48:45,932 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:48:45,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [310604321] [2023-11-29 00:48:45,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [310604321] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:48:45,932 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:48:45,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2023-11-29 00:48:45,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165854697] [2023-11-29 00:48:45,932 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:48:45,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 00:48:45,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:48:45,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 00:48:45,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-29 00:48:45,934 INFO L87 Difference]: Start difference. First operand 757 states and 979 transitions. Second operand has 8 states, 7 states have (on average 33.285714285714285) internal successors, (233), 8 states have internal predecessors, (233), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2023-11-29 00:48:48,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:48:48,741 INFO L93 Difference]: Finished difference Result 859 states and 998 transitions. [2023-11-29 00:48:48,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 00:48:48,741 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 33.285714285714285) internal successors, (233), 8 states have internal predecessors, (233), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) Word has length 165 [2023-11-29 00:48:48,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:48:48,743 INFO L225 Difference]: With dead ends: 859 [2023-11-29 00:48:48,743 INFO L226 Difference]: Without dead ends: 858 [2023-11-29 00:48:48,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=63, Unknown=0, NotChecked=0, Total=110 [2023-11-29 00:48:48,744 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 471 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 1057 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 476 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 1079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 1057 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-11-29 00:48:48,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [476 Valid, 412 Invalid, 1079 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 1057 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-11-29 00:48:48,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 858 states. [2023-11-29 00:48:48,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 858 to 757. [2023-11-29 00:48:48,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 757 states, 642 states have (on average 1.3753894080996885) internal successors, (883), 706 states have internal predecessors, (883), 47 states have call successors, (47), 4 states have call predecessors, (47), 4 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2023-11-29 00:48:48,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 757 states and 977 transitions. [2023-11-29 00:48:48,768 INFO L78 Accepts]: Start accepts. Automaton has 757 states and 977 transitions. Word has length 165 [2023-11-29 00:48:48,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:48:48,768 INFO L495 AbstractCegarLoop]: Abstraction has 757 states and 977 transitions. [2023-11-29 00:48:48,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 33.285714285714285) internal successors, (233), 8 states have internal predecessors, (233), 4 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2023-11-29 00:48:48,769 INFO L276 IsEmpty]: Start isEmpty. Operand 757 states and 977 transitions. [2023-11-29 00:48:48,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-29 00:48:48,769 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:48:48,769 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-29 00:48:48,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2023-11-29 00:48:48,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2023-11-29 00:48:48,970 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:48:48,970 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:48:48,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1920667239, now seen corresponding path program 1 times [2023-11-29 00:48:48,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:48:48,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570424948] [2023-11-29 00:48:48,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:48:48,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:48:48,982 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:48:48,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1100864997] [2023-11-29 00:48:48,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:48:48,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:48:48,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:48:48,983 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:48:48,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2023-11-29 00:48:49,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:48:49,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 00:48:49,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:48:49,153 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-29 00:48:49,154 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:48:49,279 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-29 00:48:49,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:48:49,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570424948] [2023-11-29 00:48:49,279 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:48:49,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1100864997] [2023-11-29 00:48:49,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1100864997] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:48:49,280 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:48:49,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2023-11-29 00:48:49,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178380947] [2023-11-29 00:48:49,280 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:48:49,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 00:48:49,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:48:49,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 00:48:49,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-29 00:48:49,282 INFO L87 Difference]: Start difference. First operand 757 states and 977 transitions. Second operand has 8 states, 7 states have (on average 33.857142857142854) internal successors, (237), 8 states have internal predecessors, (237), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2023-11-29 00:48:49,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:48:49,868 INFO L93 Difference]: Finished difference Result 869 states and 1037 transitions. [2023-11-29 00:48:49,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 00:48:49,868 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 33.857142857142854) internal successors, (237), 8 states have internal predecessors, (237), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) Word has length 172 [2023-11-29 00:48:49,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:48:49,871 INFO L225 Difference]: With dead ends: 869 [2023-11-29 00:48:49,871 INFO L226 Difference]: Without dead ends: 867 [2023-11-29 00:48:49,871 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 336 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2023-11-29 00:48:49,871 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 901 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 385 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 901 SdHoareTripleChecker+Valid, 747 SdHoareTripleChecker+Invalid, 432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 00:48:49,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [901 Valid, 747 Invalid, 432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 385 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 00:48:49,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 867 states. [2023-11-29 00:48:49,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 867 to 755. [2023-11-29 00:48:49,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 755 states, 642 states have (on average 1.3566978193146417) internal successors, (871), 704 states have internal predecessors, (871), 47 states have call successors, (47), 4 states have call predecessors, (47), 4 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2023-11-29 00:48:49,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 965 transitions. [2023-11-29 00:48:49,896 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 965 transitions. Word has length 172 [2023-11-29 00:48:49,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:48:49,896 INFO L495 AbstractCegarLoop]: Abstraction has 755 states and 965 transitions. [2023-11-29 00:48:49,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 33.857142857142854) internal successors, (237), 8 states have internal predecessors, (237), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2023-11-29 00:48:49,896 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 965 transitions. [2023-11-29 00:48:49,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-29 00:48:49,897 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:48:49,897 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-29 00:48:49,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2023-11-29 00:48:50,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:48:50,098 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:48:50,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:48:50,098 INFO L85 PathProgramCache]: Analyzing trace with hash -588857553, now seen corresponding path program 1 times [2023-11-29 00:48:50,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:48:50,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458773768] [2023-11-29 00:48:50,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:48:50,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:48:50,109 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:48:50,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1373198993] [2023-11-29 00:48:50,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:48:50,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:48:50,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:48:50,110 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:48:50,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2023-11-29 00:48:50,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:48:50,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 00:48:50,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:48:50,640 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-29 00:48:50,640 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:48:50,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:48:50,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458773768] [2023-11-29 00:48:50,981 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:48:50,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1373198993] [2023-11-29 00:48:50,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1373198993] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:48:50,982 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:48:50,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2023-11-29 00:48:50,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26714538] [2023-11-29 00:48:50,982 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 00:48:50,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:48:50,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:48:50,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:48:50,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-11-29 00:48:50,983 INFO L87 Difference]: Start difference. First operand 755 states and 965 transitions. Second operand has 6 states, 5 states have (on average 24.2) internal successors, (121), 6 states have internal predecessors, (121), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-29 00:48:52,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:48:52,370 INFO L93 Difference]: Finished difference Result 781 states and 965 transitions. [2023-11-29 00:48:52,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 00:48:52,370 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 24.2) internal successors, (121), 6 states have internal predecessors, (121), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 173 [2023-11-29 00:48:52,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:48:52,373 INFO L225 Difference]: With dead ends: 781 [2023-11-29 00:48:52,373 INFO L226 Difference]: Without dead ends: 780 [2023-11-29 00:48:52,373 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2023-11-29 00:48:52,373 INFO L413 NwaCegarLoop]: 249 mSDtfsCounter, 161 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 798 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 798 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:48:52,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 530 Invalid, 803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 798 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-29 00:48:52,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 780 states. [2023-11-29 00:48:52,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 780 to 755. [2023-11-29 00:48:52,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 755 states, 642 states have (on average 1.355140186915888) internal successors, (870), 704 states have internal predecessors, (870), 47 states have call successors, (47), 4 states have call predecessors, (47), 4 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2023-11-29 00:48:52,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 964 transitions. [2023-11-29 00:48:52,403 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 964 transitions. Word has length 173 [2023-11-29 00:48:52,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:48:52,403 INFO L495 AbstractCegarLoop]: Abstraction has 755 states and 964 transitions. [2023-11-29 00:48:52,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 24.2) internal successors, (121), 6 states have internal predecessors, (121), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-29 00:48:52,403 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 964 transitions. [2023-11-29 00:48:52,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-29 00:48:52,404 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:48:52,404 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-29 00:48:52,408 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Ended with exit code 0 [2023-11-29 00:48:52,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:48:52,604 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:48:52,605 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:48:52,605 INFO L85 PathProgramCache]: Analyzing trace with hash -1074714775, now seen corresponding path program 1 times [2023-11-29 00:48:52,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:48:52,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606347795] [2023-11-29 00:48:52,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:48:52,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:48:52,613 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:48:52,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1966339071] [2023-11-29 00:48:52,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:48:52,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:48:52,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:48:52,614 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:48:52,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2023-11-29 00:48:52,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:48:52,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 00:48:52,684 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:48:53,125 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-29 00:48:53,125 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:48:53,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:48:53,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606347795] [2023-11-29 00:48:53,267 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:48:53,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1966339071] [2023-11-29 00:48:53,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1966339071] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:48:53,267 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:48:53,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2023-11-29 00:48:53,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70914263] [2023-11-29 00:48:53,267 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 00:48:53,268 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 00:48:53,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:48:53,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 00:48:53,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-29 00:48:53,268 INFO L87 Difference]: Start difference. First operand 755 states and 964 transitions. Second operand has 7 states, 6 states have (on average 20.333333333333332) internal successors, (122), 7 states have internal predecessors, (122), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2023-11-29 00:48:54,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:48:54,980 INFO L93 Difference]: Finished difference Result 780 states and 964 transitions. [2023-11-29 00:48:54,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 00:48:54,980 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 20.333333333333332) internal successors, (122), 7 states have internal predecessors, (122), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 174 [2023-11-29 00:48:54,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:48:54,982 INFO L225 Difference]: With dead ends: 780 [2023-11-29 00:48:54,982 INFO L226 Difference]: Without dead ends: 779 [2023-11-29 00:48:54,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2023-11-29 00:48:54,983 INFO L413 NwaCegarLoop]: 225 mSDtfsCounter, 155 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 1089 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 706 SdHoareTripleChecker+Invalid, 1095 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2023-11-29 00:48:54,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 706 Invalid, 1095 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1089 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2023-11-29 00:48:54,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 779 states. [2023-11-29 00:48:55,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 779 to 755. [2023-11-29 00:48:55,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 755 states, 642 states have (on average 1.353582554517134) internal successors, (869), 704 states have internal predecessors, (869), 47 states have call successors, (47), 4 states have call predecessors, (47), 4 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2023-11-29 00:48:55,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 963 transitions. [2023-11-29 00:48:55,022 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 963 transitions. Word has length 174 [2023-11-29 00:48:55,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:48:55,022 INFO L495 AbstractCegarLoop]: Abstraction has 755 states and 963 transitions. [2023-11-29 00:48:55,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 20.333333333333332) internal successors, (122), 7 states have internal predecessors, (122), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2023-11-29 00:48:55,022 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 963 transitions. [2023-11-29 00:48:55,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-29 00:48:55,023 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:48:55,023 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-29 00:48:55,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2023-11-29 00:48:55,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:48:55,224 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr65ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:48:55,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:48:55,224 INFO L85 PathProgramCache]: Analyzing trace with hash -2008741781, now seen corresponding path program 1 times [2023-11-29 00:48:55,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:48:55,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115977590] [2023-11-29 00:48:55,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:48:55,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:48:55,232 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:48:55,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1720260924] [2023-11-29 00:48:55,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:48:55,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:48:55,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:48:55,234 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:48:55,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2023-11-29 00:48:55,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:48:55,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 00:48:55,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:48:55,540 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-29 00:48:55,540 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:48:56,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:48:56,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115977590] [2023-11-29 00:48:56,121 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:48:56,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1720260924] [2023-11-29 00:48:56,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1720260924] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:48:56,122 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:48:56,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2023-11-29 00:48:56,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238207638] [2023-11-29 00:48:56,122 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 00:48:56,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 00:48:56,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:48:56,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 00:48:56,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 00:48:56,123 INFO L87 Difference]: Start difference. First operand 755 states and 963 transitions. Second operand has 5 states, 4 states have (on average 31.0) internal successors, (124), 5 states have internal predecessors, (124), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-29 00:48:56,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:48:56,632 INFO L93 Difference]: Finished difference Result 779 states and 963 transitions. [2023-11-29 00:48:56,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-29 00:48:56,632 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 31.0) internal successors, (124), 5 states have internal predecessors, (124), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 176 [2023-11-29 00:48:56,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:48:56,634 INFO L225 Difference]: With dead ends: 779 [2023-11-29 00:48:56,634 INFO L226 Difference]: Without dead ends: 774 [2023-11-29 00:48:56,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-29 00:48:56,634 INFO L413 NwaCegarLoop]: 266 mSDtfsCounter, 74 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 586 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 591 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 00:48:56,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 608 Invalid, 591 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 586 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 00:48:56,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2023-11-29 00:48:56,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 755. [2023-11-29 00:48:56,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 755 states, 642 states have (on average 1.3457943925233644) internal successors, (864), 704 states have internal predecessors, (864), 47 states have call successors, (47), 4 states have call predecessors, (47), 4 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2023-11-29 00:48:56,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 958 transitions. [2023-11-29 00:48:56,661 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 958 transitions. Word has length 176 [2023-11-29 00:48:56,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:48:56,661 INFO L495 AbstractCegarLoop]: Abstraction has 755 states and 958 transitions. [2023-11-29 00:48:56,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 31.0) internal successors, (124), 5 states have internal predecessors, (124), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-29 00:48:56,661 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 958 transitions. [2023-11-29 00:48:56,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-29 00:48:56,662 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:48:56,663 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-29 00:48:56,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2023-11-29 00:48:56,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2023-11-29 00:48:56,863 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:48:56,863 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:48:56,864 INFO L85 PathProgramCache]: Analyzing trace with hash -2141452877, now seen corresponding path program 1 times [2023-11-29 00:48:56,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:48:56,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682840954] [2023-11-29 00:48:56,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:48:56,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:48:56,873 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:48:56,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1852965192] [2023-11-29 00:48:56,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:48:56,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:48:56,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:48:56,875 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:48:56,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2023-11-29 00:48:56,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:48:56,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 00:48:56,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:48:57,712 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-29 00:48:57,712 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:48:57,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:48:57,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682840954] [2023-11-29 00:48:57,832 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:48:57,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1852965192] [2023-11-29 00:48:57,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1852965192] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:48:57,833 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:48:57,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2023-11-29 00:48:57,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464075006] [2023-11-29 00:48:57,833 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 00:48:57,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 00:48:57,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:48:57,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 00:48:57,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-29 00:48:57,835 INFO L87 Difference]: Start difference. First operand 755 states and 958 transitions. Second operand has 7 states, 6 states have (on average 20.833333333333332) internal successors, (125), 7 states have internal predecessors, (125), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-29 00:49:00,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:49:00,971 INFO L93 Difference]: Finished difference Result 774 states and 958 transitions. [2023-11-29 00:49:00,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 00:49:00,972 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 20.833333333333332) internal successors, (125), 7 states have internal predecessors, (125), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 177 [2023-11-29 00:49:00,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:49:00,973 INFO L225 Difference]: With dead ends: 774 [2023-11-29 00:49:00,973 INFO L226 Difference]: Without dead ends: 772 [2023-11-29 00:49:00,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-11-29 00:49:00,974 INFO L413 NwaCegarLoop]: 245 mSDtfsCounter, 71 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 1144 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 1148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:49:00,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 694 Invalid, 1148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1144 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-11-29 00:49:00,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 772 states. [2023-11-29 00:49:00,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 772 to 755. [2023-11-29 00:49:00,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 755 states, 642 states have (on average 1.3426791277258567) internal successors, (862), 704 states have internal predecessors, (862), 47 states have call successors, (47), 4 states have call predecessors, (47), 4 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2023-11-29 00:49:00,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 956 transitions. [2023-11-29 00:49:00,998 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 956 transitions. Word has length 177 [2023-11-29 00:49:00,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:49:00,998 INFO L495 AbstractCegarLoop]: Abstraction has 755 states and 956 transitions. [2023-11-29 00:49:00,998 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 20.833333333333332) internal successors, (125), 7 states have internal predecessors, (125), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-29 00:49:00,998 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 956 transitions. [2023-11-29 00:49:00,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-11-29 00:49:00,999 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:49:00,999 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-29 00:49:01,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2023-11-29 00:49:01,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2023-11-29 00:49:01,199 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:49:01,200 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:49:01,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1960529555, now seen corresponding path program 1 times [2023-11-29 00:49:01,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:49:01,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106772171] [2023-11-29 00:49:01,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:49:01,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:49:01,208 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:49:01,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [370739572] [2023-11-29 00:49:01,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:49:01,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:49:01,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:49:01,209 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:49:01,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2023-11-29 00:49:01,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:49:01,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 00:49:01,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:49:02,064 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-29 00:49:02,064 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:49:02,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:49:02,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106772171] [2023-11-29 00:49:02,318 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:49:02,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [370739572] [2023-11-29 00:49:02,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [370739572] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:49:02,318 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:49:02,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2023-11-29 00:49:02,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963909858] [2023-11-29 00:49:02,318 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 00:49:02,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 00:49:02,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:49:02,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 00:49:02,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-29 00:49:02,320 INFO L87 Difference]: Start difference. First operand 755 states and 956 transitions. Second operand has 7 states, 6 states have (on average 21.0) internal successors, (126), 7 states have internal predecessors, (126), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-29 00:49:05,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 00:49:07,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:49:07,549 INFO L93 Difference]: Finished difference Result 861 states and 1057 transitions. [2023-11-29 00:49:07,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 00:49:07,549 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 21.0) internal successors, (126), 7 states have internal predecessors, (126), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 178 [2023-11-29 00:49:07,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:49:07,551 INFO L225 Difference]: With dead ends: 861 [2023-11-29 00:49:07,551 INFO L226 Difference]: Without dead ends: 859 [2023-11-29 00:49:07,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2023-11-29 00:49:07,553 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 637 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 637 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:49:07,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [637 Valid, 216 Invalid, 573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2023-11-29 00:49:07,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 859 states. [2023-11-29 00:49:07,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 859 to 755. [2023-11-29 00:49:07,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 755 states, 642 states have (on average 1.3333333333333333) internal successors, (856), 704 states have internal predecessors, (856), 47 states have call successors, (47), 4 states have call predecessors, (47), 4 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2023-11-29 00:49:07,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 950 transitions. [2023-11-29 00:49:07,590 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 950 transitions. Word has length 178 [2023-11-29 00:49:07,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:49:07,590 INFO L495 AbstractCegarLoop]: Abstraction has 755 states and 950 transitions. [2023-11-29 00:49:07,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 21.0) internal successors, (126), 7 states have internal predecessors, (126), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-29 00:49:07,590 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 950 transitions. [2023-11-29 00:49:07,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-11-29 00:49:07,591 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:49:07,592 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 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, 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] [2023-11-29 00:49:07,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Ended with exit code 0 [2023-11-29 00:49:07,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2023-11-29 00:49:07,792 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:49:07,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:49:07,792 INFO L85 PathProgramCache]: Analyzing trace with hash 1771041790, now seen corresponding path program 1 times [2023-11-29 00:49:07,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:49:07,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511768279] [2023-11-29 00:49:07,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:49:07,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:49:07,806 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:49:07,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [131201151] [2023-11-29 00:49:07,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:49:07,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:49:07,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:49:07,808 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:49:07,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2023-11-29 00:49:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:49:07,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-29 00:49:07,889 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:49:08,662 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-29 00:49:08,663 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:49:08,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:49:08,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511768279] [2023-11-29 00:49:08,796 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:49:08,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [131201151] [2023-11-29 00:49:08,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [131201151] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:49:08,796 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:49:08,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2023-11-29 00:49:08,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450969795] [2023-11-29 00:49:08,796 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 00:49:08,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 00:49:08,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:49:08,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 00:49:08,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-11-29 00:49:08,797 INFO L87 Difference]: Start difference. First operand 755 states and 950 transitions. Second operand has 7 states, 6 states have (on average 22.166666666666668) internal successors, (133), 7 states have internal predecessors, (133), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-29 00:49:13,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:49:13,149 INFO L93 Difference]: Finished difference Result 768 states and 950 transitions. [2023-11-29 00:49:13,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 00:49:13,149 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 22.166666666666668) internal successors, (133), 7 states have internal predecessors, (133), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 185 [2023-11-29 00:49:13,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:49:13,150 INFO L225 Difference]: With dead ends: 768 [2023-11-29 00:49:13,151 INFO L226 Difference]: Without dead ends: 765 [2023-11-29 00:49:13,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=114, Unknown=0, NotChecked=0, Total=182 [2023-11-29 00:49:13,151 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 865 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 929 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 865 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 978 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 929 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:49:13,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [865 Valid, 208 Invalid, 978 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 929 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2023-11-29 00:49:13,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2023-11-29 00:49:13,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 752. [2023-11-29 00:49:13,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 752 states, 642 states have (on average 1.3068535825545171) internal successors, (839), 701 states have internal predecessors, (839), 47 states have call successors, (47), 4 states have call predecessors, (47), 4 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2023-11-29 00:49:13,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 752 states and 933 transitions. [2023-11-29 00:49:13,185 INFO L78 Accepts]: Start accepts. Automaton has 752 states and 933 transitions. Word has length 185 [2023-11-29 00:49:13,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:49:13,186 INFO L495 AbstractCegarLoop]: Abstraction has 752 states and 933 transitions. [2023-11-29 00:49:13,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 22.166666666666668) internal successors, (133), 7 states have internal predecessors, (133), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-29 00:49:13,186 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 933 transitions. [2023-11-29 00:49:13,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-11-29 00:49:13,187 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:49:13,187 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 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, 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] [2023-11-29 00:49:13,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Ended with exit code 0 [2023-11-29 00:49:13,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2023-11-29 00:49:13,387 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:49:13,388 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:49:13,388 INFO L85 PathProgramCache]: Analyzing trace with hash -932279174, now seen corresponding path program 1 times [2023-11-29 00:49:13,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:49:13,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494525272] [2023-11-29 00:49:13,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:49:13,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:49:13,396 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:49:13,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2068592832] [2023-11-29 00:49:13,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:49:13,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:49:13,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:49:13,397 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:49:13,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2023-11-29 00:49:13,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:49:13,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 00:49:13,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:49:14,045 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-29 00:49:14,045 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:49:16,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:49:16,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494525272] [2023-11-29 00:49:16,563 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:49:16,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2068592832] [2023-11-29 00:49:16,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2068592832] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:49:16,563 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:49:16,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2023-11-29 00:49:16,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128318063] [2023-11-29 00:49:16,563 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 00:49:16,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 00:49:16,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:49:16,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 00:49:16,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2023-11-29 00:49:16,564 INFO L87 Difference]: Start difference. First operand 752 states and 933 transitions. Second operand has 9 states, 8 states have (on average 16.75) internal successors, (134), 9 states have internal predecessors, (134), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-29 00:49:20,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:49:20,351 INFO L93 Difference]: Finished difference Result 833 states and 952 transitions. [2023-11-29 00:49:20,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 00:49:20,351 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 16.75) internal successors, (134), 9 states have internal predecessors, (134), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 186 [2023-11-29 00:49:20,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:49:20,353 INFO L225 Difference]: With dead ends: 833 [2023-11-29 00:49:20,353 INFO L226 Difference]: Without dead ends: 828 [2023-11-29 00:49:20,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2023-11-29 00:49:20,354 INFO L413 NwaCegarLoop]: 185 mSDtfsCounter, 359 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 1974 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 562 SdHoareTripleChecker+Invalid, 1983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 1974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-11-29 00:49:20,354 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [371 Valid, 562 Invalid, 1983 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 1974 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-11-29 00:49:20,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2023-11-29 00:49:20,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 742. [2023-11-29 00:49:20,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 742 states, 632 states have (on average 1.2958860759493671) internal successors, (819), 691 states have internal predecessors, (819), 47 states have call successors, (47), 4 states have call predecessors, (47), 4 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2023-11-29 00:49:20,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 913 transitions. [2023-11-29 00:49:20,379 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 913 transitions. Word has length 186 [2023-11-29 00:49:20,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:49:20,380 INFO L495 AbstractCegarLoop]: Abstraction has 742 states and 913 transitions. [2023-11-29 00:49:20,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 16.75) internal successors, (134), 9 states have internal predecessors, (134), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-29 00:49:20,380 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 913 transitions. [2023-11-29 00:49:20,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-11-29 00:49:20,381 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:49:20,381 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-29 00:49:20,385 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Ended with exit code 0 [2023-11-29 00:49:20,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2023-11-29 00:49:20,581 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:49:20,582 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:49:20,582 INFO L85 PathProgramCache]: Analyzing trace with hash 2048518330, now seen corresponding path program 1 times [2023-11-29 00:49:20,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:49:20,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495698951] [2023-11-29 00:49:20,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:49:20,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:49:20,591 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:49:20,591 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1686696347] [2023-11-29 00:49:20,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:49:20,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:49:20,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:49:20,592 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:49:20,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2023-11-29 00:49:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:49:20,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 00:49:20,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:49:21,036 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 00:49:21,036 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:49:21,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:49:21,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495698951] [2023-11-29 00:49:21,303 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:49:21,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1686696347] [2023-11-29 00:49:21,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1686696347] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:49:21,303 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:49:21,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2023-11-29 00:49:21,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929483285] [2023-11-29 00:49:21,303 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 00:49:21,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 00:49:21,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:49:21,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 00:49:21,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-11-29 00:49:21,304 INFO L87 Difference]: Start difference. First operand 742 states and 913 transitions. Second operand has 7 states, 6 states have (on average 22.0) internal successors, (132), 7 states have internal predecessors, (132), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2023-11-29 00:49:21,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:49:21,903 INFO L93 Difference]: Finished difference Result 755 states and 913 transitions. [2023-11-29 00:49:21,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 00:49:21,904 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 22.0) internal successors, (132), 7 states have internal predecessors, (132), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 189 [2023-11-29 00:49:21,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:49:21,905 INFO L225 Difference]: With dead ends: 755 [2023-11-29 00:49:21,905 INFO L226 Difference]: Without dead ends: 753 [2023-11-29 00:49:21,905 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2023-11-29 00:49:21,905 INFO L413 NwaCegarLoop]: 212 mSDtfsCounter, 192 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 794 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 497 SdHoareTripleChecker+Invalid, 803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-29 00:49:21,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 497 Invalid, 803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 794 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-29 00:49:21,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2023-11-29 00:49:21,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 742. [2023-11-29 00:49:21,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 742 states, 632 states have (on average 1.2927215189873418) internal successors, (817), 691 states have internal predecessors, (817), 47 states have call successors, (47), 4 states have call predecessors, (47), 4 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2023-11-29 00:49:21,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 911 transitions. [2023-11-29 00:49:21,930 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 911 transitions. Word has length 189 [2023-11-29 00:49:21,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:49:21,930 INFO L495 AbstractCegarLoop]: Abstraction has 742 states and 911 transitions. [2023-11-29 00:49:21,931 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 22.0) internal successors, (132), 7 states have internal predecessors, (132), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2023-11-29 00:49:21,931 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 911 transitions. [2023-11-29 00:49:21,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-11-29 00:49:21,931 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:49:21,932 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 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, 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] [2023-11-29 00:49:21,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Ended with exit code 0 [2023-11-29 00:49:22,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 48 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2023-11-29 00:49:22,132 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr65ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:49:22,132 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:49:22,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1727884604, now seen corresponding path program 1 times [2023-11-29 00:49:22,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:49:22,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330657102] [2023-11-29 00:49:22,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:49:22,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:49:22,142 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:49:22,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1128765830] [2023-11-29 00:49:22,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:49:22,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:49:22,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:49:22,144 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:49:22,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2023-11-29 00:49:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:49:22,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-29 00:49:22,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:49:22,956 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-29 00:49:22,956 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:49:23,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:49:23,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330657102] [2023-11-29 00:49:23,151 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:49:23,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1128765830] [2023-11-29 00:49:23,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1128765830] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:49:23,151 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:49:23,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2023-11-29 00:49:23,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408309611] [2023-11-29 00:49:23,151 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 00:49:23,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 00:49:23,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:49:23,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 00:49:23,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2023-11-29 00:49:23,152 INFO L87 Difference]: Start difference. First operand 742 states and 911 transitions. Second operand has 10 states, 9 states have (on average 15.11111111111111) internal successors, (136), 10 states have internal predecessors, (136), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-29 00:49:25,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:49:25,709 INFO L93 Difference]: Finished difference Result 816 states and 930 transitions. [2023-11-29 00:49:25,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 00:49:25,710 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 15.11111111111111) internal successors, (136), 10 states have internal predecessors, (136), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 188 [2023-11-29 00:49:25,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:49:25,711 INFO L225 Difference]: With dead ends: 816 [2023-11-29 00:49:25,711 INFO L226 Difference]: Without dead ends: 809 [2023-11-29 00:49:25,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2023-11-29 00:49:25,712 INFO L413 NwaCegarLoop]: 139 mSDtfsCounter, 300 mSDsluCounter, 404 mSDsCounter, 0 mSdLazyCounter, 2461 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 2470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 2461 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-11-29 00:49:25,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 543 Invalid, 2470 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 2461 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-11-29 00:49:25,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 809 states. [2023-11-29 00:49:25,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 809 to 742. [2023-11-29 00:49:25,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 742 states, 632 states have (on average 1.2800632911392404) internal successors, (809), 691 states have internal predecessors, (809), 47 states have call successors, (47), 4 states have call predecessors, (47), 4 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2023-11-29 00:49:25,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 903 transitions. [2023-11-29 00:49:25,738 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 903 transitions. Word has length 188 [2023-11-29 00:49:25,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:49:25,738 INFO L495 AbstractCegarLoop]: Abstraction has 742 states and 903 transitions. [2023-11-29 00:49:25,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 15.11111111111111) internal successors, (136), 10 states have internal predecessors, (136), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-29 00:49:25,739 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 903 transitions. [2023-11-29 00:49:25,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-11-29 00:49:25,740 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:49:25,740 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 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, 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] [2023-11-29 00:49:25,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Ended with exit code 0 [2023-11-29 00:49:25,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2023-11-29 00:49:25,941 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:49:25,941 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:49:25,941 INFO L85 PathProgramCache]: Analyzing trace with hash 2024815362, now seen corresponding path program 1 times [2023-11-29 00:49:25,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:49:25,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30020858] [2023-11-29 00:49:25,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:49:25,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:49:25,950 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:49:25,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1017754318] [2023-11-29 00:49:25,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:49:25,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:49:25,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:49:25,951 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:49:25,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2023-11-29 00:49:26,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:49:26,032 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 00:49:26,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:49:26,699 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-29 00:49:26,699 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:49:26,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:49:26,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30020858] [2023-11-29 00:49:26,972 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:49:26,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017754318] [2023-11-29 00:49:26,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1017754318] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:49:26,972 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:49:26,973 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2023-11-29 00:49:26,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669377293] [2023-11-29 00:49:26,973 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 00:49:26,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 00:49:26,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:49:26,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 00:49:26,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-29 00:49:26,974 INFO L87 Difference]: Start difference. First operand 742 states and 903 transitions. Second operand has 8 states, 7 states have (on average 19.571428571428573) internal successors, (137), 8 states have internal predecessors, (137), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-29 00:49:31,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 00:49:32,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:49:32,231 INFO L93 Difference]: Finished difference Result 753 states and 903 transitions. [2023-11-29 00:49:32,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 00:49:32,231 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 19.571428571428573) internal successors, (137), 8 states have internal predecessors, (137), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 189 [2023-11-29 00:49:32,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:49:32,233 INFO L225 Difference]: With dead ends: 753 [2023-11-29 00:49:32,233 INFO L226 Difference]: Without dead ends: 749 [2023-11-29 00:49:32,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2023-11-29 00:49:32,233 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 839 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 1136 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 839 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 1184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 1136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:49:32,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [839 Valid, 218 Invalid, 1184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 1136 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2023-11-29 00:49:32,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 749 states. [2023-11-29 00:49:32,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 749 to 738. [2023-11-29 00:49:32,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 738 states, 632 states have (on average 1.259493670886076) internal successors, (796), 687 states have internal predecessors, (796), 47 states have call successors, (47), 4 states have call predecessors, (47), 4 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2023-11-29 00:49:32,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 738 states and 890 transitions. [2023-11-29 00:49:32,259 INFO L78 Accepts]: Start accepts. Automaton has 738 states and 890 transitions. Word has length 189 [2023-11-29 00:49:32,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:49:32,259 INFO L495 AbstractCegarLoop]: Abstraction has 738 states and 890 transitions. [2023-11-29 00:49:32,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 19.571428571428573) internal successors, (137), 8 states have internal predecessors, (137), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-29 00:49:32,259 INFO L276 IsEmpty]: Start isEmpty. Operand 738 states and 890 transitions. [2023-11-29 00:49:32,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-11-29 00:49:32,260 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:49:32,260 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 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, 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] [2023-11-29 00:49:32,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Ended with exit code 0 [2023-11-29 00:49:32,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,50 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:49:32,461 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:49:32,461 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:49:32,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1655233026, now seen corresponding path program 1 times [2023-11-29 00:49:32,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:49:32,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29815575] [2023-11-29 00:49:32,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:49:32,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:49:32,472 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:49:32,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [710597377] [2023-11-29 00:49:32,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:49:32,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:49:32,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:49:32,473 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:49:32,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2023-11-29 00:49:32,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:49:32,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 00:49:32,548 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:49:33,500 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 60 proven. 12 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-29 00:49:33,500 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:49:34,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:49:34,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29815575] [2023-11-29 00:49:34,229 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:49:34,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [710597377] [2023-11-29 00:49:34,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [710597377] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:49:34,230 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:49:34,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2023-11-29 00:49:34,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193108681] [2023-11-29 00:49:34,230 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 00:49:34,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 00:49:34,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:49:34,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 00:49:34,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2023-11-29 00:49:34,231 INFO L87 Difference]: Start difference. First operand 738 states and 890 transitions. Second operand has 9 states, 8 states have (on average 17.25) internal successors, (138), 9 states have internal predecessors, (138), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-29 00:49:41,491 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 00:49:43,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 00:49:47,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:49:47,255 INFO L93 Difference]: Finished difference Result 749 states and 890 transitions. [2023-11-29 00:49:47,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 00:49:47,256 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 17.25) internal successors, (138), 9 states have internal predecessors, (138), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 190 [2023-11-29 00:49:47,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:49:47,257 INFO L225 Difference]: With dead ends: 749 [2023-11-29 00:49:47,257 INFO L226 Difference]: Without dead ends: 747 [2023-11-29 00:49:47,257 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2023-11-29 00:49:47,258 INFO L413 NwaCegarLoop]: 135 mSDtfsCounter, 862 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 945 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 865 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 992 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 945 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2023-11-29 00:49:47,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [865 Valid, 481 Invalid, 992 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 945 Invalid, 0 Unknown, 0 Unchecked, 11.5s Time] [2023-11-29 00:49:47,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2023-11-29 00:49:47,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 736. [2023-11-29 00:49:47,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 736 states, 632 states have (on average 1.25) internal successors, (790), 685 states have internal predecessors, (790), 47 states have call successors, (47), 4 states have call predecessors, (47), 4 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2023-11-29 00:49:47,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 736 states and 884 transitions. [2023-11-29 00:49:47,286 INFO L78 Accepts]: Start accepts. Automaton has 736 states and 884 transitions. Word has length 190 [2023-11-29 00:49:47,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:49:47,286 INFO L495 AbstractCegarLoop]: Abstraction has 736 states and 884 transitions. [2023-11-29 00:49:47,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 17.25) internal successors, (138), 9 states have internal predecessors, (138), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2023-11-29 00:49:47,286 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 884 transitions. [2023-11-29 00:49:47,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-11-29 00:49:47,287 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:49:47,287 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-29 00:49:47,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Ended with exit code 0 [2023-11-29 00:49:47,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,51 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:49:47,488 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:49:47,488 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:49:47,488 INFO L85 PathProgramCache]: Analyzing trace with hash 1759242747, now seen corresponding path program 1 times [2023-11-29 00:49:47,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:49:47,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411333888] [2023-11-29 00:49:47,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:49:47,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:49:47,497 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:49:47,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [32216517] [2023-11-29 00:49:47,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:49:47,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:49:47,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:49:47,498 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:49:47,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2023-11-29 00:49:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:49:47,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 00:49:47,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:49:48,242 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 00:49:48,242 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:49:48,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:49:48,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411333888] [2023-11-29 00:49:48,786 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:49:48,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [32216517] [2023-11-29 00:49:48,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [32216517] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:49:48,786 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:49:48,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2023-11-29 00:49:48,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907168478] [2023-11-29 00:49:48,787 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 00:49:48,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 00:49:48,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:49:48,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 00:49:48,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-29 00:49:48,788 INFO L87 Difference]: Start difference. First operand 736 states and 884 transitions. Second operand has 7 states, 6 states have (on average 23.166666666666668) internal successors, (139), 7 states have internal predecessors, (139), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2023-11-29 00:49:50,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:49:50,287 INFO L93 Difference]: Finished difference Result 798 states and 942 transitions. [2023-11-29 00:49:50,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 00:49:50,287 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 23.166666666666668) internal successors, (139), 7 states have internal predecessors, (139), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 196 [2023-11-29 00:49:50,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:49:50,289 INFO L225 Difference]: With dead ends: 798 [2023-11-29 00:49:50,290 INFO L226 Difference]: Without dead ends: 784 [2023-11-29 00:49:50,290 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=150, Unknown=0, NotChecked=0, Total=240 [2023-11-29 00:49:50,290 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 407 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 407 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-11-29 00:49:50,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [407 Valid, 197 Invalid, 610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 577 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-11-29 00:49:50,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2023-11-29 00:49:50,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 725. [2023-11-29 00:49:50,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 725 states, 632 states have (on average 1.1993670886075949) internal successors, (758), 674 states have internal predecessors, (758), 47 states have call successors, (47), 4 states have call predecessors, (47), 4 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2023-11-29 00:49:50,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 725 states and 852 transitions. [2023-11-29 00:49:50,322 INFO L78 Accepts]: Start accepts. Automaton has 725 states and 852 transitions. Word has length 196 [2023-11-29 00:49:50,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:49:50,323 INFO L495 AbstractCegarLoop]: Abstraction has 725 states and 852 transitions. [2023-11-29 00:49:50,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 23.166666666666668) internal successors, (139), 7 states have internal predecessors, (139), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2023-11-29 00:49:50,323 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 852 transitions. [2023-11-29 00:49:50,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-11-29 00:49:50,324 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:49:50,324 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-29 00:49:50,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Ended with exit code 0 [2023-11-29 00:49:50,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,52 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:49:50,525 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:49:50,525 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:49:50,525 INFO L85 PathProgramCache]: Analyzing trace with hash -1298049470, now seen corresponding path program 1 times [2023-11-29 00:49:50,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:49:50,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302562790] [2023-11-29 00:49:50,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:49:50,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:49:50,534 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:49:50,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1440459775] [2023-11-29 00:49:50,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:49:50,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:49:50,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:49:50,536 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:49:50,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2023-11-29 00:49:50,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:49:50,609 INFO L262 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 00:49:50,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:49:51,132 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 00:49:51,132 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:49:52,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:49:52,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302562790] [2023-11-29 00:49:52,721 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:49:52,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1440459775] [2023-11-29 00:49:52,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1440459775] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:49:52,721 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:49:52,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2023-11-29 00:49:52,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112392773] [2023-11-29 00:49:52,722 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 00:49:52,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 00:49:52,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:49:52,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 00:49:52,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2023-11-29 00:49:52,723 INFO L87 Difference]: Start difference. First operand 725 states and 852 transitions. Second operand has 6 states, 5 states have (on average 28.0) internal successors, (140), 6 states have internal predecessors, (140), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 00:49:55,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:49:55,616 INFO L93 Difference]: Finished difference Result 725 states and 852 transitions. [2023-11-29 00:49:55,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 00:49:55,617 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 28.0) internal successors, (140), 6 states have internal predecessors, (140), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 197 [2023-11-29 00:49:55,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:49:55,618 INFO L225 Difference]: With dead ends: 725 [2023-11-29 00:49:55,618 INFO L226 Difference]: Without dead ends: 723 [2023-11-29 00:49:55,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2023-11-29 00:49:55,619 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 409 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 409 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-29 00:49:55,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [409 Valid, 160 Invalid, 491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-11-29 00:49:55,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2023-11-29 00:49:55,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 723. [2023-11-29 00:49:55,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 723 states, 632 states have (on average 1.1819620253164558) internal successors, (747), 672 states have internal predecessors, (747), 47 states have call successors, (47), 4 states have call predecessors, (47), 4 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2023-11-29 00:49:55,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 841 transitions. [2023-11-29 00:49:55,656 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 841 transitions. Word has length 197 [2023-11-29 00:49:55,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:49:55,657 INFO L495 AbstractCegarLoop]: Abstraction has 723 states and 841 transitions. [2023-11-29 00:49:55,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 28.0) internal successors, (140), 6 states have internal predecessors, (140), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-29 00:49:55,657 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 841 transitions. [2023-11-29 00:49:55,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-11-29 00:49:55,658 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:49:55,658 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-29 00:49:55,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Ended with exit code 0 [2023-11-29 00:49:55,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,53 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:49:55,858 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:49:55,859 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:49:55,859 INFO L85 PathProgramCache]: Analyzing trace with hash 974204166, now seen corresponding path program 1 times [2023-11-29 00:49:55,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:49:55,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519581497] [2023-11-29 00:49:55,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:49:55,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:49:55,868 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:49:55,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [791987615] [2023-11-29 00:49:55,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:49:55,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:49:55,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:49:55,869 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:49:55,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2023-11-29 00:49:55,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:49:55,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 00:49:55,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:49:56,453 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 00:49:56,453 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:49:56,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:49:56,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519581497] [2023-11-29 00:49:56,716 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:49:56,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [791987615] [2023-11-29 00:49:56,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [791987615] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:49:56,717 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:49:56,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2023-11-29 00:49:56,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87482499] [2023-11-29 00:49:56,717 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 00:49:56,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 00:49:56,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:49:56,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 00:49:56,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-11-29 00:49:56,718 INFO L87 Difference]: Start difference. First operand 723 states and 841 transitions. Second operand has 8 states, 7 states have (on average 20.571428571428573) internal successors, (144), 8 states have internal predecessors, (144), 5 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2023-11-29 00:49:58,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:49:58,101 INFO L93 Difference]: Finished difference Result 730 states and 841 transitions. [2023-11-29 00:49:58,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 00:49:58,102 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 20.571428571428573) internal successors, (144), 8 states have internal predecessors, (144), 5 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) Word has length 201 [2023-11-29 00:49:58,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:49:58,103 INFO L225 Difference]: With dead ends: 730 [2023-11-29 00:49:58,103 INFO L226 Difference]: Without dead ends: 728 [2023-11-29 00:49:58,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2023-11-29 00:49:58,104 INFO L413 NwaCegarLoop]: 181 mSDtfsCounter, 193 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 737 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2023-11-29 00:49:58,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 391 Invalid, 747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 737 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2023-11-29 00:49:58,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 728 states. [2023-11-29 00:49:58,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 728 to 723. [2023-11-29 00:49:58,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 723 states, 632 states have (on average 1.1787974683544304) internal successors, (745), 672 states have internal predecessors, (745), 47 states have call successors, (47), 4 states have call predecessors, (47), 4 states have return successors, (47), 46 states have call predecessors, (47), 47 states have call successors, (47) [2023-11-29 00:49:58,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 839 transitions. [2023-11-29 00:49:58,146 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 839 transitions. Word has length 201 [2023-11-29 00:49:58,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:49:58,147 INFO L495 AbstractCegarLoop]: Abstraction has 723 states and 839 transitions. [2023-11-29 00:49:58,147 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 20.571428571428573) internal successors, (144), 8 states have internal predecessors, (144), 5 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 5 states have call predecessors, (12), 5 states have call successors, (12) [2023-11-29 00:49:58,147 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 839 transitions. [2023-11-29 00:49:58,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-11-29 00:49:58,148 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:49:58,148 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1] [2023-11-29 00:49:58,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Ended with exit code 0 [2023-11-29 00:49:58,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,54 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:49:58,349 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:49:58,349 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:49:58,349 INFO L85 PathProgramCache]: Analyzing trace with hash 916903759, now seen corresponding path program 1 times [2023-11-29 00:49:58,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:49:58,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378671457] [2023-11-29 00:49:58,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:49:58,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:49:58,359 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:49:58,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [713258577] [2023-11-29 00:49:58,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:49:58,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:49:58,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:49:58,360 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:49:58,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2023-11-29 00:49:58,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:49:58,423 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 00:49:58,425 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:49:58,589 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 290 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-29 00:49:58,589 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:49:58,746 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 110 proven. 2 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 00:49:58,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:49:58,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378671457] [2023-11-29 00:49:58,747 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:49:58,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [713258577] [2023-11-29 00:49:58,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [713258577] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:49:58,747 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:49:58,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 8 [2023-11-29 00:49:58,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387830620] [2023-11-29 00:49:58,747 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:49:58,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 00:49:58,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:49:58,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 00:49:58,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-29 00:49:58,749 INFO L87 Difference]: Start difference. First operand 723 states and 839 transitions. Second operand has 8 states, 8 states have (on average 19.125) internal successors, (153), 8 states have internal predecessors, (153), 3 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-11-29 00:49:58,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:49:58,846 INFO L93 Difference]: Finished difference Result 796 states and 904 transitions. [2023-11-29 00:49:58,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 00:49:58,847 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 19.125) internal successors, (153), 8 states have internal predecessors, (153), 3 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 201 [2023-11-29 00:49:58,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:49:58,847 INFO L225 Difference]: With dead ends: 796 [2023-11-29 00:49:58,847 INFO L226 Difference]: Without dead ends: 310 [2023-11-29 00:49:58,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 405 GetRequests, 389 SyntacticMatches, 5 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2023-11-29 00:49:58,848 INFO L413 NwaCegarLoop]: 247 mSDtfsCounter, 324 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 324 SdHoareTripleChecker+Valid, 799 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:49:58,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [324 Valid, 799 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 00:49:58,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2023-11-29 00:49:58,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2023-11-29 00:49:58,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 271 states have (on average 1.081180811808118) internal successors, (293), 288 states have internal predecessors, (293), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-29 00:49:58,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 329 transitions. [2023-11-29 00:49:58,861 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 329 transitions. Word has length 201 [2023-11-29 00:49:58,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:49:58,861 INFO L495 AbstractCegarLoop]: Abstraction has 310 states and 329 transitions. [2023-11-29 00:49:58,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.125) internal successors, (153), 8 states have internal predecessors, (153), 3 states have call successors, (24), 4 states have call predecessors, (24), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2023-11-29 00:49:58,861 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 329 transitions. [2023-11-29 00:49:58,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-11-29 00:49:58,862 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:49:58,862 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 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, 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] [2023-11-29 00:49:58,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Ended with exit code 0 [2023-11-29 00:49:59,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,55 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:49:59,063 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:49:59,063 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:49:59,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1328914313, now seen corresponding path program 1 times [2023-11-29 00:49:59,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:49:59,063 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376455604] [2023-11-29 00:49:59,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:49:59,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:49:59,072 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:49:59,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1163800111] [2023-11-29 00:49:59,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:49:59,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:49:59,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:49:59,073 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:49:59,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Waiting until timeout for monitored process [2023-11-29 00:49:59,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:49:59,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 00:49:59,143 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:49:59,596 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 00:49:59,597 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:50:02,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:50:02,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376455604] [2023-11-29 00:50:02,472 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:50:02,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1163800111] [2023-11-29 00:50:02,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1163800111] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:50:02,472 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:50:02,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2023-11-29 00:50:02,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824068901] [2023-11-29 00:50:02,472 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 00:50:02,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-29 00:50:02,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:50:02,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-29 00:50:02,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2023-11-29 00:50:02,474 INFO L87 Difference]: Start difference. First operand 310 states and 329 transitions. Second operand has 8 states, 7 states have (on average 20.571428571428573) internal successors, (144), 8 states have internal predecessors, (144), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2023-11-29 00:50:03,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:50:03,041 INFO L93 Difference]: Finished difference Result 315 states and 329 transitions. [2023-11-29 00:50:03,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-29 00:50:03,042 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 20.571428571428573) internal successors, (144), 8 states have internal predecessors, (144), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 201 [2023-11-29 00:50:03,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:50:03,043 INFO L225 Difference]: With dead ends: 315 [2023-11-29 00:50:03,043 INFO L226 Difference]: Without dead ends: 314 [2023-11-29 00:50:03,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2023-11-29 00:50:03,044 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 232 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 899 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 238 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 903 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 899 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 00:50:03,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [238 Valid, 407 Invalid, 903 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 899 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-29 00:50:03,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2023-11-29 00:50:03,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 309. [2023-11-29 00:50:03,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 271 states have (on average 1.0774907749077491) internal successors, (292), 287 states have internal predecessors, (292), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-29 00:50:03,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 328 transitions. [2023-11-29 00:50:03,057 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 328 transitions. Word has length 201 [2023-11-29 00:50:03,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:50:03,057 INFO L495 AbstractCegarLoop]: Abstraction has 309 states and 328 transitions. [2023-11-29 00:50:03,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 20.571428571428573) internal successors, (144), 8 states have internal predecessors, (144), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2023-11-29 00:50:03,057 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 328 transitions. [2023-11-29 00:50:03,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2023-11-29 00:50:03,058 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:50:03,058 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 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, 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] [2023-11-29 00:50:03,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Ended with exit code 0 [2023-11-29 00:50:03,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 56 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2023-11-29 00:50:03,259 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:50:03,259 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:50:03,259 INFO L85 PathProgramCache]: Analyzing trace with hash 244814447, now seen corresponding path program 1 times [2023-11-29 00:50:03,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:50:03,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59555670] [2023-11-29 00:50:03,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:50:03,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:50:03,274 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:50:03,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [267915406] [2023-11-29 00:50:03,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:50:03,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:50:03,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:50:03,276 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:50:03,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Waiting until timeout for monitored process [2023-11-29 00:50:03,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:50:03,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 00:50:03,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:50:03,655 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 00:50:03,655 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:50:03,870 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 00:50:03,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:50:03,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59555670] [2023-11-29 00:50:03,871 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:50:03,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [267915406] [2023-11-29 00:50:03,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [267915406] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:50:03,871 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:50:03,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2023-11-29 00:50:03,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351479910] [2023-11-29 00:50:03,871 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:50:03,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 00:50:03,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:50:03,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 00:50:03,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2023-11-29 00:50:03,873 INFO L87 Difference]: Start difference. First operand 309 states and 328 transitions. Second operand has 10 states, 9 states have (on average 33.0) internal successors, (297), 10 states have internal predecessors, (297), 6 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) [2023-11-29 00:50:04,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:50:04,575 INFO L93 Difference]: Finished difference Result 314 states and 328 transitions. [2023-11-29 00:50:04,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 00:50:04,576 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 33.0) internal successors, (297), 10 states have internal predecessors, (297), 6 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) Word has length 207 [2023-11-29 00:50:04,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:50:04,577 INFO L225 Difference]: With dead ends: 314 [2023-11-29 00:50:04,577 INFO L226 Difference]: Without dead ends: 312 [2023-11-29 00:50:04,577 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 404 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=88, Unknown=0, NotChecked=0, Total=156 [2023-11-29 00:50:04,577 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 383 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-11-29 00:50:04,577 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 289 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-11-29 00:50:04,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2023-11-29 00:50:04,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 307. [2023-11-29 00:50:04,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 271 states have (on average 1.070110701107011) internal successors, (290), 285 states have internal predecessors, (290), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-29 00:50:04,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 326 transitions. [2023-11-29 00:50:04,592 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 326 transitions. Word has length 207 [2023-11-29 00:50:04,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:50:04,593 INFO L495 AbstractCegarLoop]: Abstraction has 307 states and 326 transitions. [2023-11-29 00:50:04,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 33.0) internal successors, (297), 10 states have internal predecessors, (297), 6 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 6 states have call predecessors, (24), 6 states have call successors, (24) [2023-11-29 00:50:04,593 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 326 transitions. [2023-11-29 00:50:04,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2023-11-29 00:50:04,593 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:50:04,594 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 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, 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] [2023-11-29 00:50:04,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Ended with exit code 0 [2023-11-29 00:50:04,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57,57 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:50:04,794 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:50:04,794 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:50:04,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1000686516, now seen corresponding path program 1 times [2023-11-29 00:50:04,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:50:04,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343144969] [2023-11-29 00:50:04,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:50:04,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:50:04,803 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:50:04,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [360288881] [2023-11-29 00:50:04,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:50:04,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:50:04,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:50:04,805 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:50:04,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Waiting until timeout for monitored process [2023-11-29 00:50:04,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:50:04,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-29 00:50:04,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:50:05,550 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 00:50:05,550 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:50:07,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:50:07,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343144969] [2023-11-29 00:50:07,116 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:50:07,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [360288881] [2023-11-29 00:50:07,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [360288881] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:50:07,116 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:50:07,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2023-11-29 00:50:07,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040553180] [2023-11-29 00:50:07,117 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 00:50:07,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 00:50:07,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:50:07,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 00:50:07,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2023-11-29 00:50:07,118 INFO L87 Difference]: Start difference. First operand 307 states and 326 transitions. Second operand has 10 states, 9 states have (on average 16.77777777777778) internal successors, (151), 10 states have internal predecessors, (151), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2023-11-29 00:50:08,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:50:08,032 INFO L93 Difference]: Finished difference Result 312 states and 326 transitions. [2023-11-29 00:50:08,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 00:50:08,032 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 16.77777777777778) internal successors, (151), 10 states have internal predecessors, (151), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 208 [2023-11-29 00:50:08,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:50:08,033 INFO L225 Difference]: With dead ends: 312 [2023-11-29 00:50:08,033 INFO L226 Difference]: Without dead ends: 309 [2023-11-29 00:50:08,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2023-11-29 00:50:08,034 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 136 mSDsluCounter, 343 mSDsCounter, 0 mSdLazyCounter, 1709 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 1712 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1709 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-29 00:50:08,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 422 Invalid, 1712 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1709 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-29 00:50:08,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2023-11-29 00:50:08,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 304. [2023-11-29 00:50:08,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 271 states have (on average 1.0590405904059041) internal successors, (287), 282 states have internal predecessors, (287), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-29 00:50:08,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 323 transitions. [2023-11-29 00:50:08,047 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 323 transitions. Word has length 208 [2023-11-29 00:50:08,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:50:08,047 INFO L495 AbstractCegarLoop]: Abstraction has 304 states and 323 transitions. [2023-11-29 00:50:08,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 16.77777777777778) internal successors, (151), 10 states have internal predecessors, (151), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2023-11-29 00:50:08,048 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 323 transitions. [2023-11-29 00:50:08,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-11-29 00:50:08,048 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:50:08,049 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 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, 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] [2023-11-29 00:50:08,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Ended with exit code 0 [2023-11-29 00:50:08,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58,58 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:50:08,249 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:50:08,249 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:50:08,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1094591829, now seen corresponding path program 1 times [2023-11-29 00:50:08,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:50:08,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590869057] [2023-11-29 00:50:08,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:50:08,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:50:08,258 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:50:08,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1002568190] [2023-11-29 00:50:08,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:50:08,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:50:08,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:50:08,259 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:50:08,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Waiting until timeout for monitored process [2023-11-29 00:50:08,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:50:08,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 00:50:08,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:50:08,849 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-29 00:50:08,850 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:50:10,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:50:10,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590869057] [2023-11-29 00:50:10,392 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:50:10,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1002568190] [2023-11-29 00:50:10,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1002568190] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:50:10,392 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:50:10,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2023-11-29 00:50:10,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011107413] [2023-11-29 00:50:10,392 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 00:50:10,392 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-29 00:50:10,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:50:10,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-29 00:50:10,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2023-11-29 00:50:10,393 INFO L87 Difference]: Start difference. First operand 304 states and 323 transitions. Second operand has 9 states, 8 states have (on average 19.5) internal successors, (156), 9 states have internal predecessors, (156), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-29 00:50:11,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:50:11,717 INFO L93 Difference]: Finished difference Result 309 states and 323 transitions. [2023-11-29 00:50:11,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 00:50:11,718 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 19.5) internal successors, (156), 9 states have internal predecessors, (156), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 213 [2023-11-29 00:50:11,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:50:11,719 INFO L225 Difference]: With dead ends: 309 [2023-11-29 00:50:11,719 INFO L226 Difference]: Without dead ends: 307 [2023-11-29 00:50:11,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2023-11-29 00:50:11,719 INFO L413 NwaCegarLoop]: 58 mSDtfsCounter, 733 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 871 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 733 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 918 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 871 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:50:11,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [733 Valid, 231 Invalid, 918 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 871 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-29 00:50:11,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2023-11-29 00:50:11,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 302. [2023-11-29 00:50:11,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 271 states have (on average 1.051660516605166) internal successors, (285), 280 states have internal predecessors, (285), 18 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2023-11-29 00:50:11,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 321 transitions. [2023-11-29 00:50:11,733 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 321 transitions. Word has length 213 [2023-11-29 00:50:11,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:50:11,733 INFO L495 AbstractCegarLoop]: Abstraction has 302 states and 321 transitions. [2023-11-29 00:50:11,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 19.5) internal successors, (156), 9 states have internal predecessors, (156), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2023-11-29 00:50:11,733 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 321 transitions. [2023-11-29 00:50:11,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2023-11-29 00:50:11,734 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:50:11,734 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2023-11-29 00:50:11,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Ended with exit code 0 [2023-11-29 00:50:11,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59,59 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:50:11,935 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr97ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:50:11,935 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:50:11,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1007541489, now seen corresponding path program 1 times [2023-11-29 00:50:11,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:50:11,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51043582] [2023-11-29 00:50:11,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:50:11,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:50:11,944 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:50:11,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2118771801] [2023-11-29 00:50:11,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:50:11,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:50:11,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:50:11,945 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:50:11,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Waiting until timeout for monitored process [2023-11-29 00:50:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:50:12,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 00:50:12,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:50:12,679 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 00:50:12,680 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:50:12,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:50:12,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51043582] [2023-11-29 00:50:12,847 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:50:12,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2118771801] [2023-11-29 00:50:12,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2118771801] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:50:12,847 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:50:12,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2023-11-29 00:50:12,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695186694] [2023-11-29 00:50:12,848 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 00:50:12,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-29 00:50:12,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:50:12,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-29 00:50:12,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2023-11-29 00:50:12,849 INFO L87 Difference]: Start difference. First operand 302 states and 321 transitions. Second operand has 7 states, 6 states have (on average 26.0) internal successors, (156), 7 states have internal predecessors, (156), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-29 00:50:15,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:50:15,121 INFO L93 Difference]: Finished difference Result 307 states and 321 transitions. [2023-11-29 00:50:15,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 00:50:15,122 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 26.0) internal successors, (156), 7 states have internal predecessors, (156), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 218 [2023-11-29 00:50:15,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:50:15,122 INFO L225 Difference]: With dead ends: 307 [2023-11-29 00:50:15,122 INFO L226 Difference]: Without dead ends: 210 [2023-11-29 00:50:15,123 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=96, Unknown=0, NotChecked=0, Total=156 [2023-11-29 00:50:15,123 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 350 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-11-29 00:50:15,123 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 237 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 441 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2023-11-29 00:50:15,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2023-11-29 00:50:15,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2023-11-29 00:50:15,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 188 states have (on average 1.0265957446808511) internal successors, (193), 193 states have internal predecessors, (193), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-29 00:50:15,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 219 transitions. [2023-11-29 00:50:15,134 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 219 transitions. Word has length 218 [2023-11-29 00:50:15,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:50:15,134 INFO L495 AbstractCegarLoop]: Abstraction has 210 states and 219 transitions. [2023-11-29 00:50:15,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 26.0) internal successors, (156), 7 states have internal predecessors, (156), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2023-11-29 00:50:15,134 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 219 transitions. [2023-11-29 00:50:15,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2023-11-29 00:50:15,135 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:50:15,135 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 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] [2023-11-29 00:50:15,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Forceful destruction successful, exit code 0 [2023-11-29 00:50:15,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,60 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:50:15,336 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr91ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:50:15,336 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:50:15,336 INFO L85 PathProgramCache]: Analyzing trace with hash -1018217830, now seen corresponding path program 1 times [2023-11-29 00:50:15,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:50:15,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236528816] [2023-11-29 00:50:15,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:50:15,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:50:15,345 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:50:15,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1097106535] [2023-11-29 00:50:15,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:50:15,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:50:15,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:50:15,346 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:50:15,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Waiting until timeout for monitored process [2023-11-29 00:50:15,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:50:15,425 INFO L262 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-29 00:50:15,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:50:15,759 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 00:50:15,759 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:50:16,161 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2023-11-29 00:50:16,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:50:16,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236528816] [2023-11-29 00:50:16,162 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:50:16,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1097106535] [2023-11-29 00:50:16,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1097106535] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 00:50:16,162 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 00:50:16,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2023-11-29 00:50:16,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828886828] [2023-11-29 00:50:16,162 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 00:50:16,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-29 00:50:16,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:50:16,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-29 00:50:16,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2023-11-29 00:50:16,164 INFO L87 Difference]: Start difference. First operand 210 states and 219 transitions. Second operand has 10 states, 9 states have (on average 35.666666666666664) internal successors, (321), 10 states have internal predecessors, (321), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2023-11-29 00:50:20,340 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 [] [2023-11-29 00:50:24,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 00:50:28,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 00:50:32,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 00:50:36,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 00:50:40,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 00:50:44,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 00:50:48,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.45s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 00:50:52,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-11-29 00:50:56,143 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 [] [2023-11-29 00:50:56,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:50:56,217 INFO L93 Difference]: Finished difference Result 210 states and 219 transitions. [2023-11-29 00:50:56,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 00:50:56,217 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 35.666666666666664) internal successors, (321), 10 states have internal predecessors, (321), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) Word has length 224 [2023-11-29 00:50:56,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:50:56,218 INFO L225 Difference]: With dead ends: 210 [2023-11-29 00:50:56,218 INFO L226 Difference]: Without dead ends: 209 [2023-11-29 00:50:56,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 448 GetRequests, 438 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2023-11-29 00:50:56,219 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 152 mSDsluCounter, 282 mSDsCounter, 0 mSdLazyCounter, 436 mSolverCounterSat, 9 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 40.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 454 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 436 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 40.0s IncrementalHoareTripleChecker+Time [2023-11-29 00:50:56,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 385 Invalid, 454 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 436 Invalid, 9 Unknown, 0 Unchecked, 40.0s Time] [2023-11-29 00:50:56,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2023-11-29 00:50:56,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2023-11-29 00:50:56,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 188 states have (on average 1.0212765957446808) internal successors, (192), 192 states have internal predecessors, (192), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-29 00:50:56,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 218 transitions. [2023-11-29 00:50:56,230 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 218 transitions. Word has length 224 [2023-11-29 00:50:56,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:50:56,230 INFO L495 AbstractCegarLoop]: Abstraction has 209 states and 218 transitions. [2023-11-29 00:50:56,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 35.666666666666664) internal successors, (321), 10 states have internal predecessors, (321), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2023-11-29 00:50:56,230 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 218 transitions. [2023-11-29 00:50:56,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2023-11-29 00:50:56,233 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 00:50:56,233 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 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] [2023-11-29 00:50:56,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Ended with exit code 0 [2023-11-29 00:50:56,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,61 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:50:56,433 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr97ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 137 more)] === [2023-11-29 00:50:56,434 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 00:50:56,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1985540768, now seen corresponding path program 1 times [2023-11-29 00:50:56,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 00:50:56,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124354209] [2023-11-29 00:50:56,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:50:56,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 00:50:56,443 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-29 00:50:56,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [138148634] [2023-11-29 00:50:56,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 00:50:56,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 00:50:56,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 00:50:56,445 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 00:50:56,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Waiting until timeout for monitored process [2023-11-29 00:50:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 00:50:56,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-29 00:50:56,519 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 00:51:07,161 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 33 proven. 75 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-29 00:51:07,161 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 00:51:07,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 00:51:07,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124354209] [2023-11-29 00:51:07,645 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-29 00:51:07,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138148634] [2023-11-29 00:51:07,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [138148634] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 00:51:07,646 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-11-29 00:51:07,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2023-11-29 00:51:07,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785095368] [2023-11-29 00:51:07,646 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-11-29 00:51:07,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 00:51:07,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 00:51:07,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 00:51:07,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2023-11-29 00:51:07,647 INFO L87 Difference]: Start difference. First operand 209 states and 218 transitions. Second operand has 13 states, 12 states have (on average 14.25) internal successors, (171), 13 states have internal predecessors, (171), 5 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 5 states have call successors, (13) [2023-11-29 00:51:11,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 00:51:11,102 INFO L93 Difference]: Finished difference Result 209 states and 218 transitions. [2023-11-29 00:51:11,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-11-29 00:51:11,102 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 14.25) internal successors, (171), 13 states have internal predecessors, (171), 5 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 5 states have call successors, (13) Word has length 230 [2023-11-29 00:51:11,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 00:51:11,103 INFO L225 Difference]: With dead ends: 209 [2023-11-29 00:51:11,103 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 00:51:11,103 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 227 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=121, Invalid=385, Unknown=0, NotChecked=0, Total=506 [2023-11-29 00:51:11,103 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 382 mSDsluCounter, 178 mSDsCounter, 0 mSdLazyCounter, 1394 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 382 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 1427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 1394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-11-29 00:51:11,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [382 Valid, 205 Invalid, 1427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 1394 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-11-29 00:51:11,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 00:51:11,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 00:51:11,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 00:51:11,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 00:51:11,104 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 230 [2023-11-29 00:51:11,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 00:51:11,104 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 00:51:11,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 14.25) internal successors, (171), 13 states have internal predecessors, (171), 5 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 5 states have call successors, (13) [2023-11-29 00:51:11,105 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 00:51:11,105 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 00:51:11,106 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (139 of 140 remaining) [2023-11-29 00:51:11,107 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (138 of 140 remaining) [2023-11-29 00:51:11,107 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (137 of 140 remaining) [2023-11-29 00:51:11,107 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (136 of 140 remaining) [2023-11-29 00:51:11,107 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (135 of 140 remaining) [2023-11-29 00:51:11,107 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (134 of 140 remaining) [2023-11-29 00:51:11,107 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (133 of 140 remaining) [2023-11-29 00:51:11,107 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (132 of 140 remaining) [2023-11-29 00:51:11,108 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (131 of 140 remaining) [2023-11-29 00:51:11,108 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (130 of 140 remaining) [2023-11-29 00:51:11,108 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (129 of 140 remaining) [2023-11-29 00:51:11,108 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (128 of 140 remaining) [2023-11-29 00:51:11,108 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (127 of 140 remaining) [2023-11-29 00:51:11,108 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (126 of 140 remaining) [2023-11-29 00:51:11,108 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (125 of 140 remaining) [2023-11-29 00:51:11,108 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (124 of 140 remaining) [2023-11-29 00:51:11,108 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (123 of 140 remaining) [2023-11-29 00:51:11,108 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (122 of 140 remaining) [2023-11-29 00:51:11,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (121 of 140 remaining) [2023-11-29 00:51:11,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (120 of 140 remaining) [2023-11-29 00:51:11,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (119 of 140 remaining) [2023-11-29 00:51:11,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (118 of 140 remaining) [2023-11-29 00:51:11,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (117 of 140 remaining) [2023-11-29 00:51:11,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (116 of 140 remaining) [2023-11-29 00:51:11,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (115 of 140 remaining) [2023-11-29 00:51:11,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (114 of 140 remaining) [2023-11-29 00:51:11,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (113 of 140 remaining) [2023-11-29 00:51:11,109 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (112 of 140 remaining) [2023-11-29 00:51:11,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (111 of 140 remaining) [2023-11-29 00:51:11,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (110 of 140 remaining) [2023-11-29 00:51:11,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (109 of 140 remaining) [2023-11-29 00:51:11,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (108 of 140 remaining) [2023-11-29 00:51:11,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (107 of 140 remaining) [2023-11-29 00:51:11,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (106 of 140 remaining) [2023-11-29 00:51:11,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (105 of 140 remaining) [2023-11-29 00:51:11,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (104 of 140 remaining) [2023-11-29 00:51:11,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (103 of 140 remaining) [2023-11-29 00:51:11,110 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (102 of 140 remaining) [2023-11-29 00:51:11,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (101 of 140 remaining) [2023-11-29 00:51:11,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (100 of 140 remaining) [2023-11-29 00:51:11,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (99 of 140 remaining) [2023-11-29 00:51:11,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (98 of 140 remaining) [2023-11-29 00:51:11,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW (97 of 140 remaining) [2023-11-29 00:51:11,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW (96 of 140 remaining) [2023-11-29 00:51:11,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW (95 of 140 remaining) [2023-11-29 00:51:11,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW (94 of 140 remaining) [2023-11-29 00:51:11,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW (93 of 140 remaining) [2023-11-29 00:51:11,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW (92 of 140 remaining) [2023-11-29 00:51:11,111 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW (91 of 140 remaining) [2023-11-29 00:51:11,112 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW (90 of 140 remaining) [2023-11-29 00:51:11,112 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW (89 of 140 remaining) [2023-11-29 00:51:11,112 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW (88 of 140 remaining) [2023-11-29 00:51:11,112 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW (87 of 140 remaining) [2023-11-29 00:51:11,112 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW (86 of 140 remaining) [2023-11-29 00:51:11,112 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW (85 of 140 remaining) [2023-11-29 00:51:11,112 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW (84 of 140 remaining) [2023-11-29 00:51:11,112 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW (83 of 140 remaining) [2023-11-29 00:51:11,112 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW (82 of 140 remaining) [2023-11-29 00:51:11,112 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW (81 of 140 remaining) [2023-11-29 00:51:11,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW (80 of 140 remaining) [2023-11-29 00:51:11,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW (79 of 140 remaining) [2023-11-29 00:51:11,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW (78 of 140 remaining) [2023-11-29 00:51:11,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW (77 of 140 remaining) [2023-11-29 00:51:11,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW (76 of 140 remaining) [2023-11-29 00:51:11,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW (75 of 140 remaining) [2023-11-29 00:51:11,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr65ASSERT_VIOLATIONINTEGER_OVERFLOW (74 of 140 remaining) [2023-11-29 00:51:11,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW (73 of 140 remaining) [2023-11-29 00:51:11,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW (72 of 140 remaining) [2023-11-29 00:51:11,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr68ASSERT_VIOLATIONINTEGER_OVERFLOW (71 of 140 remaining) [2023-11-29 00:51:11,113 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr69ASSERT_VIOLATIONINTEGER_OVERFLOW (70 of 140 remaining) [2023-11-29 00:51:11,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW (69 of 140 remaining) [2023-11-29 00:51:11,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr71ASSERT_VIOLATIONINTEGER_OVERFLOW (68 of 140 remaining) [2023-11-29 00:51:11,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW (67 of 140 remaining) [2023-11-29 00:51:11,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW (66 of 140 remaining) [2023-11-29 00:51:11,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr74ASSERT_VIOLATIONINTEGER_OVERFLOW (65 of 140 remaining) [2023-11-29 00:51:11,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr75ASSERT_VIOLATIONINTEGER_OVERFLOW (64 of 140 remaining) [2023-11-29 00:51:11,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW (63 of 140 remaining) [2023-11-29 00:51:11,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW (62 of 140 remaining) [2023-11-29 00:51:11,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW (61 of 140 remaining) [2023-11-29 00:51:11,114 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW (60 of 140 remaining) [2023-11-29 00:51:11,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW (59 of 140 remaining) [2023-11-29 00:51:11,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW (58 of 140 remaining) [2023-11-29 00:51:11,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW (57 of 140 remaining) [2023-11-29 00:51:11,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW (56 of 140 remaining) [2023-11-29 00:51:11,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW (55 of 140 remaining) [2023-11-29 00:51:11,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW (54 of 140 remaining) [2023-11-29 00:51:11,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr86ASSERT_VIOLATIONINTEGER_OVERFLOW (53 of 140 remaining) [2023-11-29 00:51:11,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr87ASSERT_VIOLATIONINTEGER_OVERFLOW (52 of 140 remaining) [2023-11-29 00:51:11,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr88ASSERT_VIOLATIONINTEGER_OVERFLOW (51 of 140 remaining) [2023-11-29 00:51:11,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr89ASSERT_VIOLATIONINTEGER_OVERFLOW (50 of 140 remaining) [2023-11-29 00:51:11,115 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr90ASSERT_VIOLATIONINTEGER_OVERFLOW (49 of 140 remaining) [2023-11-29 00:51:11,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr91ASSERT_VIOLATIONINTEGER_OVERFLOW (48 of 140 remaining) [2023-11-29 00:51:11,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr92ASSERT_VIOLATIONINTEGER_OVERFLOW (47 of 140 remaining) [2023-11-29 00:51:11,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr93ASSERT_VIOLATIONINTEGER_OVERFLOW (46 of 140 remaining) [2023-11-29 00:51:11,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr94ASSERT_VIOLATIONINTEGER_OVERFLOW (45 of 140 remaining) [2023-11-29 00:51:11,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr95ASSERT_VIOLATIONINTEGER_OVERFLOW (44 of 140 remaining) [2023-11-29 00:51:11,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr96ASSERT_VIOLATIONINTEGER_OVERFLOW (43 of 140 remaining) [2023-11-29 00:51:11,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr97ASSERT_VIOLATIONINTEGER_OVERFLOW (42 of 140 remaining) [2023-11-29 00:51:11,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr98ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 140 remaining) [2023-11-29 00:51:11,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr99ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 140 remaining) [2023-11-29 00:51:11,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr100ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 140 remaining) [2023-11-29 00:51:11,116 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr101ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 140 remaining) [2023-11-29 00:51:11,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr102ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 140 remaining) [2023-11-29 00:51:11,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr103ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 140 remaining) [2023-11-29 00:51:11,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr104ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 140 remaining) [2023-11-29 00:51:11,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr105ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 140 remaining) [2023-11-29 00:51:11,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr106ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 140 remaining) [2023-11-29 00:51:11,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr107ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 140 remaining) [2023-11-29 00:51:11,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr108ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 140 remaining) [2023-11-29 00:51:11,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr109ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 140 remaining) [2023-11-29 00:51:11,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr110ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 140 remaining) [2023-11-29 00:51:11,117 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr111ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 140 remaining) [2023-11-29 00:51:11,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr112ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 140 remaining) [2023-11-29 00:51:11,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr113ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 140 remaining) [2023-11-29 00:51:11,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr114ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 140 remaining) [2023-11-29 00:51:11,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr115ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 140 remaining) [2023-11-29 00:51:11,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 140 remaining) [2023-11-29 00:51:11,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 140 remaining) [2023-11-29 00:51:11,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 140 remaining) [2023-11-29 00:51:11,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr119ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 140 remaining) [2023-11-29 00:51:11,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr120ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 140 remaining) [2023-11-29 00:51:11,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr121ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 140 remaining) [2023-11-29 00:51:11,118 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr122ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 140 remaining) [2023-11-29 00:51:11,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr123ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 140 remaining) [2023-11-29 00:51:11,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr124ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 140 remaining) [2023-11-29 00:51:11,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr125ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 140 remaining) [2023-11-29 00:51:11,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr126ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 140 remaining) [2023-11-29 00:51:11,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr127ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 140 remaining) [2023-11-29 00:51:11,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr128ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 140 remaining) [2023-11-29 00:51:11,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr129ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 140 remaining) [2023-11-29 00:51:11,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr130ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 140 remaining) [2023-11-29 00:51:11,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr131ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 140 remaining) [2023-11-29 00:51:11,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr132ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 140 remaining) [2023-11-29 00:51:11,119 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr133ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 140 remaining) [2023-11-29 00:51:11,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr134ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 140 remaining) [2023-11-29 00:51:11,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr135ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 140 remaining) [2023-11-29 00:51:11,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr136ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 140 remaining) [2023-11-29 00:51:11,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr137ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 140 remaining) [2023-11-29 00:51:11,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr138ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 140 remaining) [2023-11-29 00:51:11,120 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr139ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 140 remaining) [2023-11-29 00:51:11,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Ended with exit code 0 [2023-11-29 00:51:11,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 62 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable62 [2023-11-29 00:51:11,322 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 00:51:12,003 INFO L899 garLoopResultBuilder]: For program point L35-2(line 35) no Hoare annotation was computed. [2023-11-29 00:51:12,003 INFO L899 garLoopResultBuilder]: For program point L51-18(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,003 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr133ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2023-11-29 00:51:12,003 INFO L899 garLoopResultBuilder]: For program point L35-3(line 35) no Hoare annotation was computed. [2023-11-29 00:51:12,003 INFO L899 garLoopResultBuilder]: For program point L51-19(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,003 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2023-11-29 00:51:12,003 INFO L899 garLoopResultBuilder]: For program point L35-4(line 35) no Hoare annotation was computed. [2023-11-29 00:51:12,003 INFO L899 garLoopResultBuilder]: For program point L51-20(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,003 INFO L899 garLoopResultBuilder]: For program point L35-5(line 35) no Hoare annotation was computed. [2023-11-29 00:51:12,003 INFO L899 garLoopResultBuilder]: For program point L51-21(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,003 INFO L899 garLoopResultBuilder]: For program point L35-6(line 35) no Hoare annotation was computed. [2023-11-29 00:51:12,003 INFO L899 garLoopResultBuilder]: For program point L51-22(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,004 INFO L899 garLoopResultBuilder]: For program point L35-7(line 35) no Hoare annotation was computed. [2023-11-29 00:51:12,004 INFO L895 garLoopResultBuilder]: At program point L51-23(line 51) the Hoare annotation is: (or (and (= 7 |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_main_~z~0#1| 12) (= |ULTIMATE.start_main_~x~0#1| 1) (<= 1 ~counter~0) (<= ~counter~0 2147483645) (<= 0 (+ |ULTIMATE.start_main_~a~0#1| 32768)) (= |ULTIMATE.start_main_~n~0#1| 1)) (and (= |ULTIMATE.start_main_~y~0#1| 1) (= |ULTIMATE.start_main_~x~0#1| 0) (= 6 |ULTIMATE.start_main_~z~0#1|)) (and (<= 2 ~counter~0) (<= |ULTIMATE.start_main_~n~0#1| 357913941) (<= 1 |ULTIMATE.start_main_~a~0#1|) (= |ULTIMATE.start_main_~x~0#1| 8) (<= 1 |ULTIMATE.start_main_~n~0#1|) (<= ~counter~0 2147483646) (= 19 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~a~0#1| 32767) (= |ULTIMATE.start_main_~z~0#1| 18))) [2023-11-29 00:51:12,004 INFO L899 garLoopResultBuilder]: For program point L35-8(line 35) no Hoare annotation was computed. [2023-11-29 00:51:12,004 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-29 00:51:12,004 INFO L899 garLoopResultBuilder]: For program point L51-24(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,004 INFO L895 garLoopResultBuilder]: At program point L35-9(line 35) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~a~0#1| 32767))) (or (and (<= 2 ~counter~0) (= 7 |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_main_~z~0#1| 12) (= |ULTIMATE.start_main_~x~0#1| 1) (<= ~counter~0 2147483645) (= |ULTIMATE.start_main_~n~0#1| 1) (<= 0 |ULTIMATE.start_main_~a~0#1|) .cse0) (and (= |ULTIMATE.start_main_~y~0#1| 1) (<= 0 (+ |ULTIMATE.start_main_~a~0#1| 32768)) (= |ULTIMATE.start_main_~n~0#1| 0) (= ~counter~0 1) (= |ULTIMATE.start_main_~x~0#1| 0) (= 6 |ULTIMATE.start_main_~z~0#1|) .cse0))) [2023-11-29 00:51:12,004 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr68ASSERT_VIOLATIONINTEGER_OVERFLOW(line 49) no Hoare annotation was computed. [2023-11-29 00:51:12,004 INFO L899 garLoopResultBuilder]: For program point L35-10(line 35) no Hoare annotation was computed. [2023-11-29 00:51:12,004 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr95ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,004 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-29 00:51:12,004 INFO L899 garLoopResultBuilder]: For program point L52(line 52) no Hoare annotation was computed. [2023-11-29 00:51:12,004 INFO L899 garLoopResultBuilder]: For program point L52-1(line 52) no Hoare annotation was computed. [2023-11-29 00:51:12,004 INFO L899 garLoopResultBuilder]: For program point L52-2(line 52) no Hoare annotation was computed. [2023-11-29 00:51:12,004 INFO L899 garLoopResultBuilder]: For program point L52-3(line 52) no Hoare annotation was computed. [2023-11-29 00:51:12,004 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr122ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2023-11-29 00:51:12,005 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW(line 48) no Hoare annotation was computed. [2023-11-29 00:51:12,005 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-29 00:51:12,005 INFO L899 garLoopResultBuilder]: For program point L52-4(line 52) no Hoare annotation was computed. [2023-11-29 00:51:12,005 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-29 00:51:12,005 INFO L899 garLoopResultBuilder]: For program point L52-5(line 52) no Hoare annotation was computed. [2023-11-29 00:51:12,005 INFO L899 garLoopResultBuilder]: For program point L52-6(line 52) no Hoare annotation was computed. [2023-11-29 00:51:12,005 INFO L899 garLoopResultBuilder]: For program point L52-7(line 52) no Hoare annotation was computed. [2023-11-29 00:51:12,005 INFO L899 garLoopResultBuilder]: For program point L52-8(line 52) no Hoare annotation was computed. [2023-11-29 00:51:12,005 INFO L899 garLoopResultBuilder]: For program point L52-9(line 52) no Hoare annotation was computed. [2023-11-29 00:51:12,005 INFO L899 garLoopResultBuilder]: For program point L52-10(line 52) no Hoare annotation was computed. [2023-11-29 00:51:12,005 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr106ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,005 INFO L895 garLoopResultBuilder]: At program point L52-11(line 52) the Hoare annotation is: (or (and (= 7 |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_main_~z~0#1| 12) (= |ULTIMATE.start_main_~x~0#1| 1) (<= 1 ~counter~0) (<= ~counter~0 2147483645) (<= 0 (+ |ULTIMATE.start_main_~a~0#1| 32768)) (= |ULTIMATE.start_main_~n~0#1| 1)) (and (= |ULTIMATE.start_main_~y~0#1| 1) (= |ULTIMATE.start_main_~x~0#1| 0) (= 6 |ULTIMATE.start_main_~z~0#1|)) (and (<= 2 ~counter~0) (<= |ULTIMATE.start_main_~n~0#1| 357913941) (<= 1 |ULTIMATE.start_main_~a~0#1|) (= |ULTIMATE.start_main_~x~0#1| 8) (<= 1 |ULTIMATE.start_main_~n~0#1|) (<= ~counter~0 2147483646) (= 19 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~a~0#1| 32767) (= |ULTIMATE.start_main_~z~0#1| 18))) [2023-11-29 00:51:12,005 INFO L899 garLoopResultBuilder]: For program point L52-12(line 52) no Hoare annotation was computed. [2023-11-29 00:51:12,005 INFO L899 garLoopResultBuilder]: For program point L36(line 36) no Hoare annotation was computed. [2023-11-29 00:51:12,005 INFO L899 garLoopResultBuilder]: For program point L36-1(line 36) no Hoare annotation was computed. [2023-11-29 00:51:12,005 INFO L899 garLoopResultBuilder]: For program point L36-2(line 36) no Hoare annotation was computed. [2023-11-29 00:51:12,005 INFO L895 garLoopResultBuilder]: At program point L36-3(line 36) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~a~0#1| 32767))) (or (and (<= 2 ~counter~0) (= 7 |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_main_~z~0#1| 12) (= |ULTIMATE.start_main_~x~0#1| 1) (<= ~counter~0 2147483645) (= |ULTIMATE.start_main_~n~0#1| 1) (<= 0 |ULTIMATE.start_main_~a~0#1|) .cse0) (and (= |ULTIMATE.start_main_~y~0#1| 1) (<= 0 (+ |ULTIMATE.start_main_~a~0#1| 32768)) (= |ULTIMATE.start_main_~n~0#1| 0) (= ~counter~0 1) (= |ULTIMATE.start_main_~x~0#1| 0) (= 6 |ULTIMATE.start_main_~z~0#1|) .cse0))) [2023-11-29 00:51:12,006 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr111ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,006 INFO L899 garLoopResultBuilder]: For program point L36-4(line 36) no Hoare annotation was computed. [2023-11-29 00:51:12,006 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-29 00:51:12,006 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr138ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2023-11-29 00:51:12,006 INFO L899 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2023-11-29 00:51:12,006 INFO L899 garLoopResultBuilder]: For program point L53-1(line 53) no Hoare annotation was computed. [2023-11-29 00:51:12,006 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-29 00:51:12,006 INFO L899 garLoopResultBuilder]: For program point L53-2(line 53) no Hoare annotation was computed. [2023-11-29 00:51:12,006 INFO L899 garLoopResultBuilder]: For program point L53-3(line 53) no Hoare annotation was computed. [2023-11-29 00:51:12,006 INFO L899 garLoopResultBuilder]: For program point L53-4(line 53) no Hoare annotation was computed. [2023-11-29 00:51:12,006 INFO L899 garLoopResultBuilder]: For program point L53-5(line 53) no Hoare annotation was computed. [2023-11-29 00:51:12,006 INFO L899 garLoopResultBuilder]: For program point L53-6(line 53) no Hoare annotation was computed. [2023-11-29 00:51:12,006 INFO L899 garLoopResultBuilder]: For program point L53-7(line 53) no Hoare annotation was computed. [2023-11-29 00:51:12,007 INFO L899 garLoopResultBuilder]: For program point L53-8(line 53) no Hoare annotation was computed. [2023-11-29 00:51:12,007 INFO L899 garLoopResultBuilder]: For program point L53-9(line 53) no Hoare annotation was computed. [2023-11-29 00:51:12,007 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-29 00:51:12,007 INFO L899 garLoopResultBuilder]: For program point L53-10(line 53) no Hoare annotation was computed. [2023-11-29 00:51:12,007 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-29 00:51:12,007 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr127ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2023-11-29 00:51:12,007 INFO L899 garLoopResultBuilder]: For program point L53-11(line 53) no Hoare annotation was computed. [2023-11-29 00:51:12,007 INFO L899 garLoopResultBuilder]: For program point L53-12(line 53) no Hoare annotation was computed. [2023-11-29 00:51:12,007 INFO L899 garLoopResultBuilder]: For program point L53-13(line 53) no Hoare annotation was computed. [2023-11-29 00:51:12,007 INFO L899 garLoopResultBuilder]: For program point L53-14(line 53) no Hoare annotation was computed. [2023-11-29 00:51:12,007 INFO L902 garLoopResultBuilder]: At program point L53-15(line 53) the Hoare annotation is: true [2023-11-29 00:51:12,007 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2023-11-29 00:51:12,007 INFO L899 garLoopResultBuilder]: For program point L53-16(line 53) no Hoare annotation was computed. [2023-11-29 00:51:12,008 INFO L899 garLoopResultBuilder]: For program point L37-1(line 37) no Hoare annotation was computed. [2023-11-29 00:51:12,008 INFO L899 garLoopResultBuilder]: For program point L37-2(line 37) no Hoare annotation was computed. [2023-11-29 00:51:12,008 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2023-11-29 00:51:12,008 INFO L899 garLoopResultBuilder]: For program point L37-3(line 37) no Hoare annotation was computed. [2023-11-29 00:51:12,008 INFO L899 garLoopResultBuilder]: For program point L37-4(line 37) no Hoare annotation was computed. [2023-11-29 00:51:12,008 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr89ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,008 INFO L899 garLoopResultBuilder]: For program point L37-5(line 37) no Hoare annotation was computed. [2023-11-29 00:51:12,008 INFO L899 garLoopResultBuilder]: For program point L37-6(line 37) no Hoare annotation was computed. [2023-11-29 00:51:12,008 INFO L899 garLoopResultBuilder]: For program point L37-7(line 37) no Hoare annotation was computed. [2023-11-29 00:51:12,008 INFO L899 garLoopResultBuilder]: For program point L37-8(line 37) no Hoare annotation was computed. [2023-11-29 00:51:12,008 INFO L899 garLoopResultBuilder]: For program point L37-9(line 37) no Hoare annotation was computed. [2023-11-29 00:51:12,008 INFO L899 garLoopResultBuilder]: For program point L37-10(line 37) no Hoare annotation was computed. [2023-11-29 00:51:12,008 INFO L899 garLoopResultBuilder]: For program point L37-11(line 37) no Hoare annotation was computed. [2023-11-29 00:51:12,008 INFO L899 garLoopResultBuilder]: For program point L37-12(line 37) no Hoare annotation was computed. [2023-11-29 00:51:12,008 INFO L899 garLoopResultBuilder]: For program point L37-13(line 37) no Hoare annotation was computed. [2023-11-29 00:51:12,008 INFO L899 garLoopResultBuilder]: For program point L37-14(line 37) no Hoare annotation was computed. [2023-11-29 00:51:12,008 INFO L895 garLoopResultBuilder]: At program point L37-15(line 37) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~a~0#1| 32767))) (or (and (<= 2 ~counter~0) (= 7 |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_main_~z~0#1| 12) (= |ULTIMATE.start_main_~x~0#1| 1) (<= ~counter~0 2147483645) (= |ULTIMATE.start_main_~n~0#1| 1) (<= 0 |ULTIMATE.start_main_~a~0#1|) .cse0) (and (= |ULTIMATE.start_main_~y~0#1| 1) (<= 0 (+ |ULTIMATE.start_main_~a~0#1| 32768)) (= |ULTIMATE.start_main_~n~0#1| 0) (= ~counter~0 1) (= |ULTIMATE.start_main_~x~0#1| 0) (= 6 |ULTIMATE.start_main_~z~0#1|) .cse0))) [2023-11-29 00:51:12,008 INFO L899 garLoopResultBuilder]: For program point L37-16(line 37) no Hoare annotation was computed. [2023-11-29 00:51:12,009 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-29 00:51:12,009 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr100ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,009 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-29 00:51:12,009 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-29 00:51:12,009 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2023-11-29 00:51:12,009 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2023-11-29 00:51:12,009 INFO L899 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2023-11-29 00:51:12,009 INFO L899 garLoopResultBuilder]: For program point L38-1(line 38) no Hoare annotation was computed. [2023-11-29 00:51:12,009 INFO L899 garLoopResultBuilder]: For program point L38-2(line 38) no Hoare annotation was computed. [2023-11-29 00:51:12,009 INFO L899 garLoopResultBuilder]: For program point L38-3(line 38) no Hoare annotation was computed. [2023-11-29 00:51:12,009 INFO L899 garLoopResultBuilder]: For program point L38-4(line 38) no Hoare annotation was computed. [2023-11-29 00:51:12,009 INFO L899 garLoopResultBuilder]: For program point L38-5(line 38) no Hoare annotation was computed. [2023-11-29 00:51:12,009 INFO L899 garLoopResultBuilder]: For program point L38-6(line 38) no Hoare annotation was computed. [2023-11-29 00:51:12,009 INFO L899 garLoopResultBuilder]: For program point L38-7(line 38) no Hoare annotation was computed. [2023-11-29 00:51:12,009 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr132ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2023-11-29 00:51:12,010 INFO L899 garLoopResultBuilder]: For program point L38-8(line 38) no Hoare annotation was computed. [2023-11-29 00:51:12,010 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-29 00:51:12,010 INFO L899 garLoopResultBuilder]: For program point L38-9(line 38) no Hoare annotation was computed. [2023-11-29 00:51:12,010 INFO L899 garLoopResultBuilder]: For program point L38-10(line 38) no Hoare annotation was computed. [2023-11-29 00:51:12,010 INFO L895 garLoopResultBuilder]: At program point L38-11(line 38) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~a~0#1| 32767))) (or (and (<= 2 ~counter~0) (= 7 |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_main_~z~0#1| 12) (= |ULTIMATE.start_main_~x~0#1| 1) (<= ~counter~0 2147483645) (= |ULTIMATE.start_main_~n~0#1| 1) (<= 0 |ULTIMATE.start_main_~a~0#1|) .cse0) (and (= |ULTIMATE.start_main_~y~0#1| 1) (<= 0 (+ |ULTIMATE.start_main_~a~0#1| 32768)) (= |ULTIMATE.start_main_~n~0#1| 0) (= ~counter~0 1) (= |ULTIMATE.start_main_~x~0#1| 0) (= 6 |ULTIMATE.start_main_~z~0#1|) .cse0))) [2023-11-29 00:51:12,010 INFO L899 garLoopResultBuilder]: For program point L38-12(lines 33 46) no Hoare annotation was computed. [2023-11-29 00:51:12,010 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-29 00:51:12,010 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr94ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,010 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2023-11-29 00:51:12,010 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-29 00:51:12,010 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr121ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2023-11-29 00:51:12,010 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr62ASSERT_VIOLATIONINTEGER_OVERFLOW(line 49) no Hoare annotation was computed. [2023-11-29 00:51:12,010 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr105ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,010 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-29 00:51:12,011 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2023-11-29 00:51:12,011 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-29 00:51:12,011 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr137ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2023-11-29 00:51:12,011 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr83ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-29 00:51:12,011 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr126ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2023-11-29 00:51:12,011 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr61ASSERT_VIOLATIONINTEGER_OVERFLOW(line 49) no Hoare annotation was computed. [2023-11-29 00:51:12,011 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr110ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,011 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW(line 49) no Hoare annotation was computed. [2023-11-29 00:51:12,011 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr88ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,011 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-29 00:51:12,011 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW(line 48) no Hoare annotation was computed. [2023-11-29 00:51:12,011 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-29 00:51:12,011 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr99ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,011 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-29 00:51:12,011 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr115ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2023-11-29 00:51:12,012 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 00:51:12,012 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr93ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,012 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr131ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2023-11-29 00:51:12,012 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr66ASSERT_VIOLATIONINTEGER_OVERFLOW(line 49) no Hoare annotation was computed. [2023-11-29 00:51:12,012 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-29 00:51:12,012 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-29 00:51:12,012 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-29 00:51:12,012 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr120ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2023-11-29 00:51:12,012 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-29 00:51:12,012 INFO L899 garLoopResultBuilder]: For program point L42(line 42) no Hoare annotation was computed. [2023-11-29 00:51:12,012 INFO L899 garLoopResultBuilder]: For program point L42-1(line 42) no Hoare annotation was computed. [2023-11-29 00:51:12,012 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr104ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,012 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2023-11-29 00:51:12,012 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-29 00:51:12,012 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2023-11-29 00:51:12,012 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr136ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2023-11-29 00:51:12,012 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr82ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-29 00:51:12,012 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-29 00:51:12,012 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr125ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2023-11-29 00:51:12,012 INFO L899 garLoopResultBuilder]: For program point L43(line 43) no Hoare annotation was computed. [2023-11-29 00:51:12,012 INFO L899 garLoopResultBuilder]: For program point L43-1(line 43) no Hoare annotation was computed. [2023-11-29 00:51:12,013 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-29 00:51:12,013 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW(line 43) no Hoare annotation was computed. [2023-11-29 00:51:12,013 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr109ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,013 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr87ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-29 00:51:12,013 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-29 00:51:12,013 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-29 00:51:12,013 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2023-11-29 00:51:12,013 INFO L899 garLoopResultBuilder]: For program point L44-1(line 44) no Hoare annotation was computed. [2023-11-29 00:51:12,013 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr98ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,013 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-29 00:51:12,013 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr114ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2023-11-29 00:51:12,013 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2023-11-29 00:51:12,013 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-11-29 00:51:12,013 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-29 00:51:12,013 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr92ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,013 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr71ASSERT_VIOLATIONINTEGER_OVERFLOW(line 49) no Hoare annotation was computed. [2023-11-29 00:51:12,013 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr130ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2023-11-29 00:51:12,013 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2023-11-29 00:51:12,013 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-29 00:51:12,013 INFO L899 garLoopResultBuilder]: For program point L45(line 45) no Hoare annotation was computed. [2023-11-29 00:51:12,013 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr103ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,013 INFO L899 garLoopResultBuilder]: For program point L45-1(line 45) no Hoare annotation was computed. [2023-11-29 00:51:12,014 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr60ASSERT_VIOLATIONINTEGER_OVERFLOW(line 49) no Hoare annotation was computed. [2023-11-29 00:51:12,014 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr119ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2023-11-29 00:51:12,014 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 33) no Hoare annotation was computed. [2023-11-29 00:51:12,014 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr135ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2023-11-29 00:51:12,014 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW(line 49) no Hoare annotation was computed. [2023-11-29 00:51:12,014 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-29 00:51:12,014 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2023-11-29 00:51:12,014 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr81ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-29 00:51:12,014 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr124ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2023-11-29 00:51:12,014 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 00:51:12,014 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW(line 48) no Hoare annotation was computed. [2023-11-29 00:51:12,014 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr108ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,014 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr65ASSERT_VIOLATIONINTEGER_OVERFLOW(line 49) no Hoare annotation was computed. [2023-11-29 00:51:12,014 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-29 00:51:12,014 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr86ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-29 00:51:12,014 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-29 00:51:12,014 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-29 00:51:12,014 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr97ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,014 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr113ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2023-11-29 00:51:12,014 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2023-11-29 00:51:12,014 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr91ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,014 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr64ASSERT_VIOLATIONINTEGER_OVERFLOW(line 49) no Hoare annotation was computed. [2023-11-29 00:51:12,015 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr129ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2023-11-29 00:51:12,015 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-29 00:51:12,015 INFO L899 garLoopResultBuilder]: For program point L48(line 48) no Hoare annotation was computed. [2023-11-29 00:51:12,015 INFO L899 garLoopResultBuilder]: For program point L48-1(line 48) no Hoare annotation was computed. [2023-11-29 00:51:12,015 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr102ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,015 INFO L899 garLoopResultBuilder]: For program point L48-2(line 48) no Hoare annotation was computed. [2023-11-29 00:51:12,015 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-29 00:51:12,015 INFO L895 garLoopResultBuilder]: At program point L48-3(line 48) the Hoare annotation is: (let ((.cse0 (<= 2 ~counter~0))) (or (and .cse0 (= 7 |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_main_~z~0#1| 12) (= |ULTIMATE.start_main_~x~0#1| 1) (<= ~counter~0 2147483645) (= |ULTIMATE.start_main_~a~0#1| 0) (= |ULTIMATE.start_main_~n~0#1| 1)) (and (<= (+ |ULTIMATE.start_main_~a~0#1| 1) 0) (= |ULTIMATE.start_main_~y~0#1| 1) (<= 0 (+ |ULTIMATE.start_main_~a~0#1| 32768)) (= |ULTIMATE.start_main_~n~0#1| 0) (= ~counter~0 1) (= |ULTIMATE.start_main_~x~0#1| 0) (= 6 |ULTIMATE.start_main_~z~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~n~0#1| 357913941) (<= 1 |ULTIMATE.start_main_~a~0#1|) (= |ULTIMATE.start_main_~x~0#1| 8) (<= 1 |ULTIMATE.start_main_~n~0#1|) (<= ~counter~0 2147483646) (= 19 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~a~0#1| 32767) (= |ULTIMATE.start_main_~z~0#1| 18)))) [2023-11-29 00:51:12,015 INFO L899 garLoopResultBuilder]: For program point L48-4(line 48) no Hoare annotation was computed. [2023-11-29 00:51:12,015 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-29 00:51:12,015 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2023-11-29 00:51:12,015 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2023-11-29 00:51:12,015 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr134ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2023-11-29 00:51:12,015 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2023-11-29 00:51:12,015 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr75ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-29 00:51:12,015 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-29 00:51:12,015 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr80ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-29 00:51:12,015 INFO L899 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2023-11-29 00:51:12,015 INFO L899 garLoopResultBuilder]: For program point L49-1(line 49) no Hoare annotation was computed. [2023-11-29 00:51:12,015 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr123ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2023-11-29 00:51:12,015 INFO L899 garLoopResultBuilder]: For program point L49-2(line 49) no Hoare annotation was computed. [2023-11-29 00:51:12,016 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-29 00:51:12,016 INFO L899 garLoopResultBuilder]: For program point L49-3(line 49) no Hoare annotation was computed. [2023-11-29 00:51:12,016 INFO L899 garLoopResultBuilder]: For program point L49-4(line 49) no Hoare annotation was computed. [2023-11-29 00:51:12,016 INFO L899 garLoopResultBuilder]: For program point L49-5(line 49) no Hoare annotation was computed. [2023-11-29 00:51:12,016 INFO L899 garLoopResultBuilder]: For program point L49-6(line 49) no Hoare annotation was computed. [2023-11-29 00:51:12,016 INFO L899 garLoopResultBuilder]: For program point L49-7(line 49) no Hoare annotation was computed. [2023-11-29 00:51:12,016 INFO L899 garLoopResultBuilder]: For program point L49-8(line 49) no Hoare annotation was computed. [2023-11-29 00:51:12,016 INFO L899 garLoopResultBuilder]: For program point L49-9(line 49) no Hoare annotation was computed. [2023-11-29 00:51:12,016 INFO L899 garLoopResultBuilder]: For program point L49-10(line 49) no Hoare annotation was computed. [2023-11-29 00:51:12,016 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr107ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,016 INFO L895 garLoopResultBuilder]: At program point L49-11(line 49) the Hoare annotation is: (let ((.cse0 (<= 2 ~counter~0))) (or (and .cse0 (= 7 |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_main_~z~0#1| 12) (= |ULTIMATE.start_main_~x~0#1| 1) (<= ~counter~0 2147483645) (= |ULTIMATE.start_main_~a~0#1| 0) (= |ULTIMATE.start_main_~n~0#1| 1)) (and (<= (+ |ULTIMATE.start_main_~a~0#1| 1) 0) (= |ULTIMATE.start_main_~y~0#1| 1) (<= 0 (+ |ULTIMATE.start_main_~a~0#1| 32768)) (= |ULTIMATE.start_main_~n~0#1| 0) (= ~counter~0 1) (= |ULTIMATE.start_main_~x~0#1| 0) (= 6 |ULTIMATE.start_main_~z~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~n~0#1| 357913941) (<= 1 |ULTIMATE.start_main_~a~0#1|) (= |ULTIMATE.start_main_~x~0#1| 8) (<= 1 |ULTIMATE.start_main_~n~0#1|) (<= ~counter~0 2147483646) (= 19 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~a~0#1| 32767) (= |ULTIMATE.start_main_~z~0#1| 18)))) [2023-11-29 00:51:12,016 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW(line 42) no Hoare annotation was computed. [2023-11-29 00:51:12,016 INFO L899 garLoopResultBuilder]: For program point L49-12(line 49) no Hoare annotation was computed. [2023-11-29 00:51:12,016 INFO L899 garLoopResultBuilder]: For program point L33-1(line 33) no Hoare annotation was computed. [2023-11-29 00:51:12,016 INFO L899 garLoopResultBuilder]: For program point L33-2(line 33) no Hoare annotation was computed. [2023-11-29 00:51:12,016 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-29 00:51:12,016 INFO L899 garLoopResultBuilder]: For program point L33-3(lines 33 46) no Hoare annotation was computed. [2023-11-29 00:51:12,016 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2023-11-29 00:51:12,016 INFO L895 garLoopResultBuilder]: At program point L33-5(lines 33 46) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~a~0#1| 32767))) (or (and (= 7 |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_main_~z~0#1| 12) (= |ULTIMATE.start_main_~x~0#1| 1) (= |ULTIMATE.start_main_~n~0#1| 1) (<= 0 |ULTIMATE.start_main_~a~0#1|) (= ~counter~0 1) .cse0) (and (<= 2 ~counter~0) (<= |ULTIMATE.start_main_~n~0#1| 357913941) (<= 1 |ULTIMATE.start_main_~a~0#1|) (= |ULTIMATE.start_main_~x~0#1| 8) (<= ~counter~0 2147483645) (<= 1 |ULTIMATE.start_main_~n~0#1|) (= 19 |ULTIMATE.start_main_~y~0#1|) .cse0 (= |ULTIMATE.start_main_~z~0#1| 18)) (and (= |ULTIMATE.start_main_~y~0#1| 1) (= ~counter~0 0) (<= 0 (+ |ULTIMATE.start_main_~a~0#1| 32768)) (= |ULTIMATE.start_main_~n~0#1| 0) (= |ULTIMATE.start_main_~x~0#1| 0) (= 6 |ULTIMATE.start_main_~z~0#1|) .cse0))) [2023-11-29 00:51:12,016 INFO L899 garLoopResultBuilder]: For program point L33-6(lines 33 46) no Hoare annotation was computed. [2023-11-29 00:51:12,017 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr139ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2023-11-29 00:51:12,017 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr74ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-29 00:51:12,017 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-29 00:51:12,017 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2023-11-29 00:51:12,017 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2023-11-29 00:51:12,017 INFO L899 garLoopResultBuilder]: For program point L50-1(line 50) no Hoare annotation was computed. [2023-11-29 00:51:12,017 INFO L899 garLoopResultBuilder]: For program point L50-2(line 50) no Hoare annotation was computed. [2023-11-29 00:51:12,017 INFO L899 garLoopResultBuilder]: For program point L50-3(line 50) no Hoare annotation was computed. [2023-11-29 00:51:12,017 INFO L899 garLoopResultBuilder]: For program point L50-4(line 50) no Hoare annotation was computed. [2023-11-29 00:51:12,017 INFO L899 garLoopResultBuilder]: For program point L50-5(line 50) no Hoare annotation was computed. [2023-11-29 00:51:12,017 INFO L899 garLoopResultBuilder]: For program point L50-6(line 50) no Hoare annotation was computed. [2023-11-29 00:51:12,017 INFO L899 garLoopResultBuilder]: For program point L50-7(line 50) no Hoare annotation was computed. [2023-11-29 00:51:12,017 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr96ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,017 INFO L899 garLoopResultBuilder]: For program point L50-8(line 50) no Hoare annotation was computed. [2023-11-29 00:51:12,017 INFO L899 garLoopResultBuilder]: For program point L50-9(line 50) no Hoare annotation was computed. [2023-11-29 00:51:12,018 INFO L899 garLoopResultBuilder]: For program point L50-10(line 50) no Hoare annotation was computed. [2023-11-29 00:51:12,018 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr63ASSERT_VIOLATIONINTEGER_OVERFLOW(line 49) no Hoare annotation was computed. [2023-11-29 00:51:12,018 INFO L899 garLoopResultBuilder]: For program point L50-11(line 50) no Hoare annotation was computed. [2023-11-29 00:51:12,018 INFO L899 garLoopResultBuilder]: For program point L50-12(line 50) no Hoare annotation was computed. [2023-11-29 00:51:12,018 INFO L899 garLoopResultBuilder]: For program point L50-13(line 50) no Hoare annotation was computed. [2023-11-29 00:51:12,018 INFO L899 garLoopResultBuilder]: For program point L50-14(line 50) no Hoare annotation was computed. [2023-11-29 00:51:12,018 INFO L895 garLoopResultBuilder]: At program point L50-15(line 50) the Hoare annotation is: (let ((.cse0 (<= 2 ~counter~0))) (or (and .cse0 (= 7 |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_main_~z~0#1| 12) (= |ULTIMATE.start_main_~x~0#1| 1) (<= ~counter~0 2147483645) (= |ULTIMATE.start_main_~a~0#1| 0) (= |ULTIMATE.start_main_~n~0#1| 1)) (and (<= (+ |ULTIMATE.start_main_~a~0#1| 1) 0) (= |ULTIMATE.start_main_~y~0#1| 1) (<= 0 (+ |ULTIMATE.start_main_~a~0#1| 32768)) (= |ULTIMATE.start_main_~n~0#1| 0) (= ~counter~0 1) (= |ULTIMATE.start_main_~x~0#1| 0) (= 6 |ULTIMATE.start_main_~z~0#1|)) (and .cse0 (<= |ULTIMATE.start_main_~n~0#1| 357913941) (<= 1 |ULTIMATE.start_main_~a~0#1|) (= |ULTIMATE.start_main_~x~0#1| 8) (<= 1 |ULTIMATE.start_main_~n~0#1|) (<= ~counter~0 2147483646) (= 19 |ULTIMATE.start_main_~y~0#1|) (<= |ULTIMATE.start_main_~a~0#1| 32767) (= |ULTIMATE.start_main_~z~0#1| 18)))) [2023-11-29 00:51:12,018 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2023-11-29 00:51:12,018 INFO L899 garLoopResultBuilder]: For program point L50-16(line 50) no Hoare annotation was computed. [2023-11-29 00:51:12,018 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr112ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2023-11-29 00:51:12,018 INFO L899 garLoopResultBuilder]: For program point L34-1(line 34) no Hoare annotation was computed. [2023-11-29 00:51:12,018 INFO L899 garLoopResultBuilder]: For program point L34-2(line 34) no Hoare annotation was computed. [2023-11-29 00:51:12,019 INFO L899 garLoopResultBuilder]: For program point L34-3(line 34) no Hoare annotation was computed. [2023-11-29 00:51:12,019 INFO L895 garLoopResultBuilder]: At program point L34-4(line 34) the Hoare annotation is: (let ((.cse0 (<= |ULTIMATE.start_main_~a~0#1| 32767))) (or (and (<= 2 ~counter~0) (= 7 |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_main_~z~0#1| 12) (= |ULTIMATE.start_main_~x~0#1| 1) (<= ~counter~0 2147483645) (= |ULTIMATE.start_main_~n~0#1| 1) (<= 0 |ULTIMATE.start_main_~a~0#1|) .cse0) (and (= |ULTIMATE.start_main_~y~0#1| 1) (<= 0 (+ |ULTIMATE.start_main_~a~0#1| 32768)) (= |ULTIMATE.start_main_~n~0#1| 0) (= ~counter~0 1) (= |ULTIMATE.start_main_~x~0#1| 0) (= 6 |ULTIMATE.start_main_~z~0#1|) .cse0))) [2023-11-29 00:51:12,019 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr90ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,019 INFO L899 garLoopResultBuilder]: For program point L34-5(line 34) no Hoare annotation was computed. [2023-11-29 00:51:12,019 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW(line 38) no Hoare annotation was computed. [2023-11-29 00:51:12,019 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr69ASSERT_VIOLATIONINTEGER_OVERFLOW(line 49) no Hoare annotation was computed. [2023-11-29 00:51:12,019 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr128ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2023-11-29 00:51:12,019 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2023-11-29 00:51:12,019 INFO L899 garLoopResultBuilder]: For program point L51(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,019 INFO L899 garLoopResultBuilder]: For program point L51-1(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,019 INFO L899 garLoopResultBuilder]: For program point L51-2(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,019 INFO L899 garLoopResultBuilder]: For program point L51-3(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,020 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr101ASSERT_VIOLATIONINTEGER_OVERFLOW(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,020 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW(line 48) no Hoare annotation was computed. [2023-11-29 00:51:12,020 INFO L899 garLoopResultBuilder]: For program point L51-4(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,020 INFO L899 garLoopResultBuilder]: For program point L51-5(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,020 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2023-11-29 00:51:12,020 INFO L899 garLoopResultBuilder]: For program point L51-6(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,020 INFO L899 garLoopResultBuilder]: For program point L51-7(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,020 INFO L899 garLoopResultBuilder]: For program point L51-8(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,020 INFO L899 garLoopResultBuilder]: For program point L51-9(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,020 INFO L899 garLoopResultBuilder]: For program point L51-10(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,020 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2023-11-29 00:51:12,020 INFO L899 garLoopResultBuilder]: For program point L51-11(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,020 INFO L899 garLoopResultBuilder]: For program point L51-12(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,020 INFO L899 garLoopResultBuilder]: For program point L51-13(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,020 INFO L899 garLoopResultBuilder]: For program point L51-14(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,020 INFO L899 garLoopResultBuilder]: For program point L51-15(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,020 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2023-11-29 00:51:12,020 INFO L899 garLoopResultBuilder]: For program point L51-16(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,020 INFO L899 garLoopResultBuilder]: For program point L35-1(line 35) no Hoare annotation was computed. [2023-11-29 00:51:12,021 INFO L899 garLoopResultBuilder]: For program point L51-17(line 51) no Hoare annotation was computed. [2023-11-29 00:51:12,021 INFO L899 garLoopResultBuilder]: For program point L15(lines 15 18) no Hoare annotation was computed. [2023-11-29 00:51:12,021 INFO L899 garLoopResultBuilder]: For program point L15-2(lines 14 20) no Hoare annotation was computed. [2023-11-29 00:51:12,021 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 14 20) no Hoare annotation was computed. [2023-11-29 00:51:12,021 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 14 20) the Hoare annotation is: true [2023-11-29 00:51:12,023 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 00:51:12,027 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 00:51:12,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 12:51:12 BoogieIcfgContainer [2023-11-29 00:51:12,039 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 00:51:12,039 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 00:51:12,039 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 00:51:12,040 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 00:51:12,040 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 12:45:20" (3/4) ... [2023-11-29 00:51:12,042 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 00:51:12,045 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-29 00:51:12,055 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-29 00:51:12,055 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-29 00:51:12,056 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-29 00:51:12,057 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 00:51:12,153 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 00:51:12,153 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 00:51:12,154 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 00:51:12,154 INFO L158 Benchmark]: Toolchain (without parser) took 352575.17ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 116.6MB in the beginning and 148.3MB in the end (delta: -31.7MB). Peak memory consumption was 108.6MB. Max. memory is 16.1GB. [2023-11-29 00:51:12,154 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 155.2MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 00:51:12,154 INFO L158 Benchmark]: CACSL2BoogieTranslator took 256.28ms. Allocated memory is still 155.2MB. Free memory was 116.3MB in the beginning and 105.1MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 00:51:12,155 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.98ms. Allocated memory is still 155.2MB. Free memory was 104.8MB in the beginning and 102.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 00:51:12,155 INFO L158 Benchmark]: Boogie Preprocessor took 41.98ms. Allocated memory is still 155.2MB. Free memory was 102.2MB in the beginning and 100.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 00:51:12,155 INFO L158 Benchmark]: RCFGBuilder took 800.05ms. Allocated memory is still 155.2MB. Free memory was 100.3MB in the beginning and 63.2MB in the end (delta: 37.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-29 00:51:12,155 INFO L158 Benchmark]: TraceAbstraction took 351308.27ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 62.7MB in the beginning and 46.4MB in the end (delta: 16.2MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. [2023-11-29 00:51:12,155 INFO L158 Benchmark]: Witness Printer took 114.39ms. Allocated memory is still 186.6MB. Free memory was 46.4MB in the beginning and 148.3MB in the end (delta: -101.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 00:51:12,156 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 155.2MB. Free memory is still 127.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 256.28ms. Allocated memory is still 155.2MB. Free memory was 116.3MB in the beginning and 105.1MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.98ms. Allocated memory is still 155.2MB. Free memory was 104.8MB in the beginning and 102.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.98ms. Allocated memory is still 155.2MB. Free memory was 102.2MB in the beginning and 100.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 800.05ms. Allocated memory is still 155.2MB. Free memory was 100.3MB in the beginning and 63.2MB in the end (delta: 37.1MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * TraceAbstraction took 351308.27ms. Allocated memory was 155.2MB in the beginning and 186.6MB in the end (delta: 31.5MB). Free memory was 62.7MB in the beginning and 46.4MB in the end (delta: 16.2MB). Peak memory consumption was 49.9MB. Max. memory is 16.1GB. * Witness Printer took 114.39ms. Allocated memory is still 186.6MB. Free memory was 46.4MB in the beginning and 148.3MB in the end (delta: -101.9MB). Peak memory consumption was 4.2MB. 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 - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 42]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 301 locations, 140 error locations. Started 1 CEGAR loops. OverallTime: 351.2s, OverallIterations: 63, TraceHistogramMax: 13, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 264.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 32 mSolverCounterUnknown, 20597 SdHoareTripleChecker+Valid, 259.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20268 mSDsluCounter, 30163 SdHoareTripleChecker+Invalid, 255.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18047 mSDsCounter, 1064 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 37554 IncrementalHoareTripleChecker+Invalid, 38650 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1064 mSolverCounterUnsat, 12116 mSDtfsCounter, 37554 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10596 GetRequests, 10160 SyntacticMatches, 5 SemanticMatches, 431 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 555 ImplicationChecksByTransitivity, 31.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=810occurred in iteration=38, InterpolantAutomatonStates: 388, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 63 MinimizatonAttempts, 2813 StatesRemovedByMinimization, 54 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 85 PreInvPairs, 114 NumberOfFragments, 684 HoareAnnotationTreeSize, 85 FomulaSimplifications, 2841 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 13 FomulaSimplificationsInter, 218 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 67.1s InterpolantComputationTime, 8092 NumberOfCodeBlocks, 8092 NumberOfCodeBlocksAsserted, 63 NumberOfCheckSat, 9664 ConstructedInterpolants, 27 QuantifiedInterpolants, 57861 SizeOfPredicates, 64 NumberOfNonLiveVariables, 12723 ConjunctsInSsa, 404 ConjunctsInUnsatCore, 74 InterpolantComputations, 27 PerfectInterpolantSequences, 10271/12375 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 - AllSpecificationsHoldResult: All specifications hold 140 specifications checked. All of them hold - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((7 == y) && (z == 12)) && (x == 1)) && (n == 1)) && (0 <= a)) && (counter == 1)) && (a <= 32767)) || (((((((((2 <= counter) && (n <= 357913941)) && (1 <= a)) && (x == 8)) && (counter <= 2147483645)) && (1 <= n)) && (19 == y)) && (a <= 32767)) && (z == 18))) || (((((((y == 1) && (counter == 0)) && (0 <= (a + 32768))) && (n == 0)) && (x == 0)) && (6 == z)) && (a <= 32767))) RESULT: Ultimate proved your program to be correct! [2023-11-29 00:51:12,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84cd97d9-db32-4c22-bdab-ecbb947b7760/bin/uautomizer-verify-BQ2R08f2Ya/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 Writing output log to file Ultimate.log Result: TRUE