/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/nla-digbench-scaling/geo3-ll_valuebound100.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-21 07:04:12,497 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-21 07:04:12,555 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-21 07:04:12,560 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-21 07:04:12,560 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-21 07:04:12,583 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-21 07:04:12,583 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-21 07:04:12,584 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-21 07:04:12,584 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-21 07:04:12,584 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-21 07:04:12,584 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-21 07:04:12,585 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-21 07:04:12,585 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-21 07:04:12,585 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-21 07:04:12,585 INFO L153 SettingsManager]: * Use SBE=true [2023-12-21 07:04:12,586 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-21 07:04:12,586 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-21 07:04:12,586 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-21 07:04:12,586 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-21 07:04:12,587 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-21 07:04:12,587 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-21 07:04:12,589 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-21 07:04:12,590 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-21 07:04:12,590 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-21 07:04:12,593 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-21 07:04:12,593 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-21 07:04:12,593 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-21 07:04:12,593 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-21 07:04:12,593 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-21 07:04:12,594 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-21 07:04:12,594 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-21 07:04:12,594 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-21 07:04:12,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 07:04:12,595 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-21 07:04:12,595 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-21 07:04:12,595 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-21 07:04:12,595 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-21 07:04:12,595 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-21 07:04:12,595 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-21 07:04:12,595 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-21 07:04:12,595 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-21 07:04:12,596 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-21 07:04:12,596 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-21 07:04:12,596 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-21 07:04:12,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-21 07:04:12,793 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-21 07:04:12,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-21 07:04:12,795 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-21 07:04:12,807 INFO L274 PluginConnector]: CDTParser initialized [2023-12-21 07:04:12,808 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/geo3-ll_valuebound100.c [2023-12-21 07:04:13,955 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-21 07:04:14,113 INFO L384 CDTParser]: Found 1 translation units. [2023-12-21 07:04:14,113 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/geo3-ll_valuebound100.c [2023-12-21 07:04:14,121 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/904bcbd5d/51849210ad134ec5b59b5c6f6b3c9ae3/FLAG6f908eb8e [2023-12-21 07:04:14,528 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/904bcbd5d/51849210ad134ec5b59b5c6f6b3c9ae3 [2023-12-21 07:04:14,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-21 07:04:14,531 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-21 07:04:14,531 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-21 07:04:14,532 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-21 07:04:14,535 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-21 07:04:14,535 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 07:04:14" (1/1) ... [2023-12-21 07:04:14,536 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3abe4c85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 07:04:14, skipping insertion in model container [2023-12-21 07:04:14,536 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 07:04:14" (1/1) ... [2023-12-21 07:04:14,553 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-21 07:04:14,642 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/geo3-ll_valuebound100.c[524,537] [2023-12-21 07:04:14,653 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 07:04:14,660 INFO L202 MainTranslator]: Completed pre-run [2023-12-21 07:04:14,670 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/geo3-ll_valuebound100.c[524,537] [2023-12-21 07:04:14,673 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 07:04:14,682 INFO L206 MainTranslator]: Completed translation [2023-12-21 07:04:14,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 07:04:14 WrapperNode [2023-12-21 07:04:14,683 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-21 07:04:14,683 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-21 07:04:14,683 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-21 07:04:14,683 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-21 07:04:14,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 07:04:14" (1/1) ... [2023-12-21 07:04:14,691 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 07:04:14" (1/1) ... [2023-12-21 07:04:14,709 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 48 [2023-12-21 07:04:14,709 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-21 07:04:14,710 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-21 07:04:14,710 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-21 07:04:14,710 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-21 07:04:14,716 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 07:04:14" (1/1) ... [2023-12-21 07:04:14,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 07:04:14" (1/1) ... [2023-12-21 07:04:14,724 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 07:04:14" (1/1) ... [2023-12-21 07:04:14,731 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]. [2023-12-21 07:04:14,731 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 07:04:14" (1/1) ... [2023-12-21 07:04:14,731 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 07:04:14" (1/1) ... [2023-12-21 07:04:14,732 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 07:04:14" (1/1) ... [2023-12-21 07:04:14,734 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 07:04:14" (1/1) ... [2023-12-21 07:04:14,735 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 07:04:14" (1/1) ... [2023-12-21 07:04:14,735 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 07:04:14" (1/1) ... [2023-12-21 07:04:14,736 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-21 07:04:14,736 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-21 07:04:14,736 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-21 07:04:14,736 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-21 07:04:14,737 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 07:04:14" (1/1) ... [2023-12-21 07:04:14,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 07:04:14,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 07:04:14,774 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-21 07:04:14,793 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-21 07:04:14,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-21 07:04:14,796 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-21 07:04:14,796 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-21 07:04:14,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-21 07:04:14,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-21 07:04:14,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-21 07:04:14,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-21 07:04:14,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-21 07:04:14,834 INFO L241 CfgBuilder]: Building ICFG [2023-12-21 07:04:14,835 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-21 07:04:14,924 INFO L282 CfgBuilder]: Performing block encoding [2023-12-21 07:04:14,938 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-21 07:04:14,938 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-21 07:04:14,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 07:04:14 BoogieIcfgContainer [2023-12-21 07:04:14,939 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-21 07:04:14,940 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-21 07:04:14,940 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-21 07:04:14,942 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-21 07:04:14,942 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 07:04:14" (1/3) ... [2023-12-21 07:04:14,943 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@421802db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 07:04:14, skipping insertion in model container [2023-12-21 07:04:14,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 07:04:14" (2/3) ... [2023-12-21 07:04:14,943 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@421802db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 07:04:14, skipping insertion in model container [2023-12-21 07:04:14,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 07:04:14" (3/3) ... [2023-12-21 07:04:14,944 INFO L112 eAbstractionObserver]: Analyzing ICFG geo3-ll_valuebound100.c [2023-12-21 07:04:14,956 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-21 07:04:14,959 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-21 07:04:14,986 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-21 07:04:14,991 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;@23eba7a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-21 07:04:14,991 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-21 07:04:14,993 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 15 states have internal predecessors, (20), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-12-21 07:04:14,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-21 07:04:14,998 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 07:04:14,998 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 07:04:14,999 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 07:04:15,002 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 07:04:15,002 INFO L85 PathProgramCache]: Analyzing trace with hash 1436740904, now seen corresponding path program 1 times [2023-12-21 07:04:15,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 07:04:15,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527966955] [2023-12-21 07:04:15,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 07:04:15,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 07:04:15,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 07:04:15,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 07:04:15,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527966955] [2023-12-21 07:04:15,093 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-21 07:04:15,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916115902] [2023-12-21 07:04:15,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 07:04:15,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 07:04:15,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 07:04:15,095 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 07:04:15,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-21 07:04:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 07:04:15,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-21 07:04:15,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 07:04:15,177 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-21 07:04:15,177 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 07:04:15,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1916115902] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 07:04:15,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 07:04:15,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-21 07:04:15,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294035939] [2023-12-21 07:04:15,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 07:04:15,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-21 07:04:15,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 07:04:15,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-21 07:04:15,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-21 07:04:15,208 INFO L87 Difference]: Start difference. First operand has 23 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 15 states have internal predecessors, (20), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-21 07:04:15,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 07:04:15,238 INFO L93 Difference]: Finished difference Result 44 states and 62 transitions. [2023-12-21 07:04:15,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-21 07:04:15,239 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 24 [2023-12-21 07:04:15,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 07:04:15,244 INFO L225 Difference]: With dead ends: 44 [2023-12-21 07:04:15,244 INFO L226 Difference]: Without dead ends: 21 [2023-12-21 07:04:15,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-21 07:04:15,248 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 07:04:15,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 07:04:15,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2023-12-21 07:04:15,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2023-12-21 07:04:15,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-12-21 07:04:15,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 24 transitions. [2023-12-21 07:04:15,269 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 24 transitions. Word has length 24 [2023-12-21 07:04:15,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 07:04:15,269 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 24 transitions. [2023-12-21 07:04:15,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2023-12-21 07:04:15,269 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2023-12-21 07:04:15,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-21 07:04:15,270 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 07:04:15,270 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 07:04:15,292 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-21 07:04:15,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-21 07:04:15,475 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 07:04:15,476 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 07:04:15,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1259637422, now seen corresponding path program 1 times [2023-12-21 07:04:15,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 07:04:15,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130610694] [2023-12-21 07:04:15,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 07:04:15,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 07:04:15,498 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 07:04:15,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [849580968] [2023-12-21 07:04:15,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 07:04:15,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 07:04:15,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 07:04:15,501 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 07:04:15,513 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-21 07:04:15,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 07:04:15,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-21 07:04:15,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 07:04:15,660 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-21 07:04:15,660 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 07:04:15,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 07:04:15,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130610694] [2023-12-21 07:04:15,661 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 07:04:15,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [849580968] [2023-12-21 07:04:15,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [849580968] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 07:04:15,661 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 07:04:15,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-21 07:04:15,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111142128] [2023-12-21 07:04:15,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 07:04:15,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-21 07:04:15,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 07:04:15,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-21 07:04:15,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-21 07:04:15,663 INFO L87 Difference]: Start difference. First operand 21 states and 24 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-12-21 07:04:15,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 07:04:15,704 INFO L93 Difference]: Finished difference Result 31 states and 35 transitions. [2023-12-21 07:04:15,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-21 07:04:15,705 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 24 [2023-12-21 07:04:15,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 07:04:15,706 INFO L225 Difference]: With dead ends: 31 [2023-12-21 07:04:15,706 INFO L226 Difference]: Without dead ends: 28 [2023-12-21 07:04:15,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-21 07:04:15,707 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 6 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-21 07:04:15,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 73 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 07:04:15,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2023-12-21 07:04:15,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2023-12-21 07:04:15,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 19 states have internal predecessors, (20), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-12-21 07:04:15,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2023-12-21 07:04:15,712 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 24 [2023-12-21 07:04:15,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 07:04:15,713 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2023-12-21 07:04:15,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2023-12-21 07:04:15,717 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2023-12-21 07:04:15,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-12-21 07:04:15,718 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 07:04:15,719 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 07:04:15,730 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-21 07:04:15,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-12-21 07:04:15,925 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 07:04:15,926 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 07:04:15,926 INFO L85 PathProgramCache]: Analyzing trace with hash -455624649, now seen corresponding path program 1 times [2023-12-21 07:04:15,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 07:04:15,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340248026] [2023-12-21 07:04:15,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 07:04:15,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 07:04:15,938 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 07:04:15,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1537227792] [2023-12-21 07:04:15,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 07:04:15,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 07:04:15,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 07:04:15,939 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 07:04:15,953 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-21 07:04:15,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 07:04:15,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-21 07:04:15,995 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 07:04:16,106 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-21 07:04:16,106 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 07:04:32,656 WARN L876 $PredicateComparison]: unable to prove that (or (= (mod (+ (* 18446744073709551615 |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~a~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~y~0#1| 18446744073709551615 |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~az~0#1|)) 18446744073709551616) 0) (not (= (mod (+ (* 18446744073709551615 |c_ULTIMATE.start_main_~x~0#1|) |c_ULTIMATE.start_main_~a~0#1| (* |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~y~0#1| 18446744073709551615 |c_ULTIMATE.start_main_~az~0#1|)) 18446744073709551616) 0))) is different from true [2023-12-21 07:04:40,795 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 2 not checked. [2023-12-21 07:04:40,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 07:04:40,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340248026] [2023-12-21 07:04:40,796 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 07:04:40,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1537227792] [2023-12-21 07:04:40,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1537227792] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-21 07:04:40,796 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-21 07:04:40,796 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2023-12-21 07:04:40,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447218299] [2023-12-21 07:04:40,796 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-21 07:04:40,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-21 07:04:40,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 07:04:40,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-21 07:04:40,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=102, Unknown=2, NotChecked=20, Total=156 [2023-12-21 07:04:40,798 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand has 13 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 11 states have internal predecessors, (24), 5 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2023-12-21 07:04:49,520 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 [] [2023-12-21 07:04:53,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-21 07:04:57,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-21 07:05:01,538 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-21 07:05:05,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-21 07:05:09,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-21 07:05:13,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-21 07:05:13,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 07:05:13,571 INFO L93 Difference]: Finished difference Result 44 states and 51 transitions. [2023-12-21 07:05:13,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-21 07:05:13,572 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 11 states have internal predecessors, (24), 5 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 31 [2023-12-21 07:05:13,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 07:05:13,573 INFO L225 Difference]: With dead ends: 44 [2023-12-21 07:05:13,574 INFO L226 Difference]: Without dead ends: 39 [2023-12-21 07:05:13,575 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 12.5s TimeCoverageRelationStatistics Valid=53, Invalid=159, Unknown=2, NotChecked=26, Total=240 [2023-12-21 07:05:13,576 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 20 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 12 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 44 IncrementalHoareTripleChecker+Unchecked, 28.7s IncrementalHoareTripleChecker+Time [2023-12-21 07:05:13,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 128 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 59 Invalid, 7 Unknown, 44 Unchecked, 28.7s Time] [2023-12-21 07:05:13,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2023-12-21 07:05:13,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2023-12-21 07:05:13,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 26 states have (on average 1.0384615384615385) internal successors, (27), 27 states have internal predecessors, (27), 8 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2023-12-21 07:05:13,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2023-12-21 07:05:13,584 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 31 [2023-12-21 07:05:13,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 07:05:13,585 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2023-12-21 07:05:13,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.8461538461538463) internal successors, (24), 11 states have internal predecessors, (24), 5 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2023-12-21 07:05:13,585 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2023-12-21 07:05:13,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-12-21 07:05:13,586 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 07:05:13,586 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 07:05:13,593 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-21 07:05:13,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 07:05:13,792 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 07:05:13,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 07:05:13,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1540289938, now seen corresponding path program 2 times [2023-12-21 07:05:13,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 07:05:13,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213659797] [2023-12-21 07:05:13,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 07:05:13,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 07:05:13,815 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 07:05:13,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1312766558] [2023-12-21 07:05:13,815 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-21 07:05:13,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 07:05:13,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 07:05:13,822 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 07:05:13,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-21 07:05:15,055 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-21 07:05:15,055 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-21 07:05:15,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 53 conjunts are in the unsatisfiable core [2023-12-21 07:05:15,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 07:05:15,629 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 14 proven. 35 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-21 07:05:15,630 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 07:05:32,656 WARN L876 $PredicateComparison]: unable to prove that (or (= (mod (+ (* 18446744073709551615 |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~a~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~y~0#1| 18446744073709551615 |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~az~0#1|)) 18446744073709551616) 0) (not (= (mod (+ (* 18446744073709551615 |c_ULTIMATE.start_main_~x~0#1|) |c_ULTIMATE.start_main_~a~0#1| (* |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~y~0#1| 18446744073709551615 |c_ULTIMATE.start_main_~az~0#1|)) 18446744073709551616) 0))) is different from true [2023-12-21 07:05:52,731 WARN L876 $PredicateComparison]: unable to prove that (or (= (mod (+ (* 18446744073709551615 |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~a~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~y~0#1| 18446744073709551615 |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~az~0#1|) (* |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|)) 18446744073709551616) 0) (not (= (mod (+ (* 18446744073709551615 |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~a~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~y~0#1| 18446744073709551615 |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~az~0#1|)) 18446744073709551616) 0))) is different from true [2023-12-21 07:06:00,762 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:06:12,774 WARN L293 SmtUtils]: Spent 8.00s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:06:16,779 WARN L876 $PredicateComparison]: unable to prove that (or (not (= (mod (+ (* 18446744073709551615 |c_ULTIMATE.start_main_~x~0#1|) |c_ULTIMATE.start_main_~a~0#1| (* |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~y~0#1| 18446744073709551615 |c_ULTIMATE.start_main_~az~0#1|)) 18446744073709551616) 0)) (= (mod (+ (* 18446744073709551615 |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~a~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~y~0#1| 18446744073709551615 |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~az~0#1|) (* |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|)) 18446744073709551616) 0) (not (= (mod (+ (* 18446744073709551615 |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~a~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~y~0#1| 18446744073709551615 |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~az~0#1|)) 18446744073709551616) 0))) is different from true [2023-12-21 07:06:36,839 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:06:42,416 WARN L293 SmtUtils]: Spent 5.58s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:06:50,423 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:06:58,430 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:07:06,436 WARN L293 SmtUtils]: Spent 8.00s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:07:10,443 WARN L876 $PredicateComparison]: unable to prove that (or (not (= |c___VERIFIER_assert_#in~cond| 0)) (forall ((|v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_13| Int) (|v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_11| Int) (|v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_11| Int) (|v_ULTIMATE.start_main_~az~0#1_BEFORE_CALL_11| Int) (v_z_1 Int)) (let ((.cse0 (+ (mod (+ (* 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_11|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_13| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_11|) (* |v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_11| 18446744073709551615 |v_ULTIMATE.start_main_~az~0#1_BEFORE_CALL_11|)) 18446744073709551616) v_z_1))) (or (not (= (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_13| |v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_11| 18446744073709551615 |v_ULTIMATE.start_main_~az~0#1_BEFORE_CALL_11|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_13| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_13| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_11|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_13| 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_11|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_13| v_z_1)) 18446744073709551616) 0)) (< v_z_1 0) (= (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_13| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_13| |v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_11| 18446744073709551615 |v_ULTIMATE.start_main_~az~0#1_BEFORE_CALL_11|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_13| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_13| v_z_1) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_13| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_13| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_13| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_11|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_13| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_13| 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_11|)) 18446744073709551616) 0) (< 18446744073709551615 v_z_1) (= .cse0 0) (= .cse0 18446744073709551616))))) is different from true [2023-12-21 07:07:26,490 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:07:38,805 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:07:46,813 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:07:54,822 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:08:10,864 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:08:23,201 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:08:31,209 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:08:39,216 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:08:43,221 WARN L876 $PredicateComparison]: unable to prove that (or (not (= |c___VERIFIER_assert_#in~cond| 0)) (forall ((|v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_13| Int) (|v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_11| Int) (|v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_11| Int) (|v_ULTIMATE.start_main_~az~0#1_BEFORE_CALL_11| Int) (v_z_1 Int)) (let ((.cse0 (+ (mod (+ (* 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_11|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_13| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_11|) (* |v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_11| 18446744073709551615 |v_ULTIMATE.start_main_~az~0#1_BEFORE_CALL_11|)) 18446744073709551616) v_z_1))) (or (not (= (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_13| |v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_11| 18446744073709551615 |v_ULTIMATE.start_main_~az~0#1_BEFORE_CALL_11|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_13| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_13| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_11|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_13| 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_11|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_13| v_z_1)) 18446744073709551616) 0)) (< v_z_1 0) (= (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_13| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_13| |v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_11| 18446744073709551615 |v_ULTIMATE.start_main_~az~0#1_BEFORE_CALL_11|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_13| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_13| v_z_1) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_13| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_13| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_13| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_11|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_13| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_13| 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_11|)) 18446744073709551616) 0) (< 18446744073709551615 v_z_1) (= .cse0 0) (= .cse0 18446744073709551616)))) (= c___VERIFIER_assert_~cond 0)) is different from true [2023-12-21 07:08:51,232 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:09:03,257 WARN L293 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:09:11,269 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:09:19,277 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:09:27,288 WARN L876 $PredicateComparison]: unable to prove that (or (= (mod (+ (* |c_ULTIMATE.start_main_~y~0#1| 18446744073709551615 |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~az~0#1|) (* |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~a~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* 18446744073709551615 |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|)) 18446744073709551616) 0) (not (= (mod (+ (* 18446744073709551615 |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~a~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~y~0#1| 18446744073709551615 |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~az~0#1|) (* |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|)) 18446744073709551616) 0)) (not (= (mod (+ (* 18446744073709551615 |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~a~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~y~0#1| 18446744073709551615 |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~az~0#1|)) 18446744073709551616) 0))) is different from true [2023-12-21 07:09:35,317 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:09:43,325 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:09:51,333 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:09:59,348 WARN L876 $PredicateComparison]: unable to prove that (or (= (mod (+ (* |c_ULTIMATE.start_main_~y~0#1| 18446744073709551615 |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~az~0#1|) (* |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~a~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* 18446744073709551615 |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|)) 18446744073709551616) 0) (not (= (mod (+ (* 18446744073709551615 |c_ULTIMATE.start_main_~x~0#1|) |c_ULTIMATE.start_main_~a~0#1| (* |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~y~0#1| 18446744073709551615 |c_ULTIMATE.start_main_~az~0#1|)) 18446744073709551616) 0)) (not (= (mod (+ (* 18446744073709551615 |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~a~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~y~0#1| 18446744073709551615 |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~az~0#1|) (* |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|)) 18446744073709551616) 0)) (not (= (mod (+ (* 18446744073709551615 |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~a~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~y~0#1| 18446744073709551615 |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~az~0#1|)) 18446744073709551616) 0))) is different from true [2023-12-21 07:10:19,569 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:10:27,576 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:10:35,581 WARN L293 SmtUtils]: Spent 8.00s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:10:43,588 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:10:51,757 WARN L293 SmtUtils]: Spent 8.17s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:10:59,764 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:11:03,770 WARN L876 $PredicateComparison]: unable to prove that (or (not (= |c___VERIFIER_assert_#in~cond| 0)) (forall ((v_z_2 Int) (|v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_12| Int) (|v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| Int) (|v_ULTIMATE.start_main_~az~0#1_BEFORE_CALL_12| Int) (|v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_12| Int)) (let ((.cse0 (+ (mod (+ (* |v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_12| 18446744073709551615 |v_ULTIMATE.start_main_~az~0#1_BEFORE_CALL_12|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_12|) (* 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_12|)) 18446744073709551616) v_z_2))) (or (= (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_12|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| |v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_12| 18446744073709551615 |v_ULTIMATE.start_main_~az~0#1_BEFORE_CALL_12|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| v_z_2) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_12|)) 18446744073709551616) 0) (= 0 .cse0) (not (= (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| v_z_2) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_12|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_12|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| |v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_12| 18446744073709551615 |v_ULTIMATE.start_main_~az~0#1_BEFORE_CALL_12|)) 18446744073709551616) 0)) (< 18446744073709551615 v_z_2) (not (= (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_12|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| |v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_12| 18446744073709551615 |v_ULTIMATE.start_main_~az~0#1_BEFORE_CALL_12|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_12|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| v_z_2)) 18446744073709551616) 0)) (= 18446744073709551616 .cse0) (< v_z_2 0))))) is different from true [2023-12-21 07:11:20,580 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:11:28,587 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:11:36,714 WARN L293 SmtUtils]: Spent 8.13s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:11:44,720 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:11:52,726 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:12:00,733 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:12:17,298 WARN L293 SmtUtils]: Spent 8.03s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:12:25,313 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:12:33,318 WARN L293 SmtUtils]: Spent 8.00s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:12:41,325 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:12:49,331 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:12:57,354 WARN L293 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:13:01,361 WARN L876 $PredicateComparison]: unable to prove that (or (not (= |c___VERIFIER_assert_#in~cond| 0)) (forall ((v_z_2 Int) (|v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_12| Int) (|v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| Int) (|v_ULTIMATE.start_main_~az~0#1_BEFORE_CALL_12| Int) (|v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_12| Int)) (let ((.cse0 (+ (mod (+ (* |v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_12| 18446744073709551615 |v_ULTIMATE.start_main_~az~0#1_BEFORE_CALL_12|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_12|) (* 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_12|)) 18446744073709551616) v_z_2))) (or (= (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_12|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| |v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_12| 18446744073709551615 |v_ULTIMATE.start_main_~az~0#1_BEFORE_CALL_12|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| v_z_2) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_12|)) 18446744073709551616) 0) (= 0 .cse0) (not (= (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| v_z_2) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_12|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_12|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| |v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_12| 18446744073709551615 |v_ULTIMATE.start_main_~az~0#1_BEFORE_CALL_12|)) 18446744073709551616) 0)) (< 18446744073709551615 v_z_2) (not (= (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_12|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| |v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_12| 18446744073709551615 |v_ULTIMATE.start_main_~az~0#1_BEFORE_CALL_12|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_12|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_14| v_z_2)) 18446744073709551616) 0)) (= 18446744073709551616 .cse0) (< v_z_2 0)))) (= c___VERIFIER_assert_~cond 0)) is different from true [2023-12-21 07:13:09,403 WARN L293 SmtUtils]: Spent 8.03s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:13:17,412 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:13:25,419 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:13:41,467 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:13:49,477 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:13:57,483 WARN L293 SmtUtils]: Spent 8.00s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:14:01,489 WARN L876 $PredicateComparison]: unable to prove that (or (not (= (mod (+ (* |c_ULTIMATE.start_main_~y~0#1| 18446744073709551615 |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~az~0#1|) (* |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~a~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* 18446744073709551615 |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|)) 18446744073709551616) 0)) (not (= (mod (+ (* 18446744073709551615 |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~a~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~y~0#1| 18446744073709551615 |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~az~0#1|) (* |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|)) 18446744073709551616) 0)) (= (mod (+ (* |c_ULTIMATE.start_main_~a~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* 18446744073709551615 |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~y~0#1| 18446744073709551615 |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~az~0#1|)) 18446744073709551616) 0) (not (= (mod (+ (* 18446744073709551615 |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~a~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~y~0#1| 18446744073709551615 |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~az~0#1|)) 18446744073709551616) 0))) is different from true [2023-12-21 07:14:13,512 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:14:21,518 WARN L293 SmtUtils]: Spent 8.00s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:14:29,526 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:14:41,548 WARN L293 SmtUtils]: Spent 8.00s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:14:49,559 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:14:57,567 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:14:57,595 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 18 trivial. 37 not checked. [2023-12-21 07:14:57,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 07:14:57,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213659797] [2023-12-21 07:14:57,595 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 07:14:57,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1312766558] [2023-12-21 07:14:57,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1312766558] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-21 07:14:57,595 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-21 07:14:57,595 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 29 [2023-12-21 07:14:57,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902918600] [2023-12-21 07:14:57,595 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-21 07:14:57,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-12-21 07:14:57,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 07:14:57,597 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-12-21 07:14:57,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=290, Unknown=11, NotChecked=430, Total=812 [2023-12-21 07:14:57,597 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand has 29 states, 29 states have (on average 1.7241379310344827) internal successors, (50), 25 states have internal predecessors, (50), 13 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 11 states have call predecessors, (14), 11 states have call successors, (14) [2023-12-21 07:15:25,589 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 [] [2023-12-21 07:15:37,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-21 07:15:41,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-21 07:15:45,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-21 07:15:49,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-21 07:15:56,336 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 [] [2023-12-21 07:15:56,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 07:15:56,339 INFO L93 Difference]: Finished difference Result 54 states and 60 transitions. [2023-12-21 07:15:56,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-12-21 07:15:56,340 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 1.7241379310344827) internal successors, (50), 25 states have internal predecessors, (50), 13 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 11 states have call predecessors, (14), 11 states have call successors, (14) Word has length 52 [2023-12-21 07:15:56,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 07:15:56,340 INFO L225 Difference]: With dead ends: 54 [2023-12-21 07:15:56,340 INFO L226 Difference]: Without dead ends: 52 [2023-12-21 07:15:56,341 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 75 SyntacticMatches, 8 SemanticMatches, 32 ConstructedPredicates, 10 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 76.9s TimeCoverageRelationStatistics Valid=122, Invalid=457, Unknown=13, NotChecked=530, Total=1122 [2023-12-21 07:15:56,341 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 31 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 21 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 702 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 497 IncrementalHoareTripleChecker+Unchecked, 26.3s IncrementalHoareTripleChecker+Time [2023-12-21 07:15:56,342 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 141 Invalid, 702 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 178 Invalid, 6 Unknown, 497 Unchecked, 26.3s Time] [2023-12-21 07:15:56,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2023-12-21 07:15:56,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2023-12-21 07:15:56,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 35 states have (on average 1.0285714285714285) internal successors, (36), 36 states have internal predecessors, (36), 11 states have call successors, (11), 5 states have call predecessors, (11), 5 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-21 07:15:56,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 58 transitions. [2023-12-21 07:15:56,350 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 58 transitions. Word has length 52 [2023-12-21 07:15:56,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 07:15:56,350 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 58 transitions. [2023-12-21 07:15:56,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 1.7241379310344827) internal successors, (50), 25 states have internal predecessors, (50), 13 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 11 states have call predecessors, (14), 11 states have call successors, (14) [2023-12-21 07:15:56,351 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 58 transitions. [2023-12-21 07:15:56,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-12-21 07:15:56,352 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 07:15:56,352 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 07:15:56,360 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-21 07:15:56,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 07:15:56,553 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 07:15:56,554 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 07:15:56,554 INFO L85 PathProgramCache]: Analyzing trace with hash -486928233, now seen corresponding path program 3 times [2023-12-21 07:15:56,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 07:15:56,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716844184] [2023-12-21 07:15:56,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 07:15:56,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 07:15:56,584 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 07:15:56,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1046760900] [2023-12-21 07:15:56,585 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-21 07:15:56,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 07:15:56,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 07:15:56,587 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 07:15:56,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process Received shutdown request... [2023-12-21 07:19:03,442 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-21 07:19:03,444 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-21 07:19:04,554 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 [2023-12-21 07:19:04,652 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forcibly destroying the process [2023-12-21 07:19:04,659 ERROR L246 FreeRefinementEngine]: Caught known exception: Timeout or Toolchain cancelled by user [2023-12-21 07:19:04,660 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-21 07:19:04,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 07:19:04,660 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 74 with TraceHistMax 8,while AutomatonFreeRefinementEngine was Timeout during CAMEL. [2023-12-21 07:19:04,663 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 137 [2023-12-21 07:19:04,668 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2023-12-21 07:19:04,670 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-21 07:19:04,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 07:19:04 BoogieIcfgContainer [2023-12-21 07:19:04,671 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-21 07:19:04,671 INFO L158 Benchmark]: Toolchain (without parser) took 890140.74ms. Allocated memory was 217.1MB in the beginning and 303.0MB in the end (delta: 86.0MB). Free memory was 177.0MB in the beginning and 157.6MB in the end (delta: 19.4MB). Peak memory consumption was 106.8MB. Max. memory is 8.0GB. [2023-12-21 07:19:04,672 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 217.1MB. Free memory is still 170.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-21 07:19:04,672 INFO L158 Benchmark]: CACSL2BoogieTranslator took 151.28ms. Allocated memory is still 217.1MB. Free memory was 176.9MB in the beginning and 165.6MB in the end (delta: 11.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-12-21 07:19:04,672 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.11ms. Allocated memory is still 217.1MB. Free memory was 165.6MB in the beginning and 164.3MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-12-21 07:19:04,672 INFO L158 Benchmark]: Boogie Preprocessor took 26.13ms. Allocated memory is still 217.1MB. Free memory was 164.3MB in the beginning and 162.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-21 07:19:04,672 INFO L158 Benchmark]: RCFGBuilder took 202.57ms. Allocated memory is still 217.1MB. Free memory was 162.4MB in the beginning and 150.9MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-12-21 07:19:04,672 INFO L158 Benchmark]: TraceAbstraction took 889730.99ms. Allocated memory was 217.1MB in the beginning and 303.0MB in the end (delta: 86.0MB). Free memory was 150.2MB in the beginning and 157.6MB in the end (delta: -7.4MB). Peak memory consumption was 79.5MB. Max. memory is 8.0GB. [2023-12-21 07:19:04,673 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 217.1MB. Free memory is still 170.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 151.28ms. Allocated memory is still 217.1MB. Free memory was 176.9MB in the beginning and 165.6MB in the end (delta: 11.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.11ms. Allocated memory is still 217.1MB. Free memory was 165.6MB in the beginning and 164.3MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.13ms. Allocated memory is still 217.1MB. Free memory was 164.3MB in the beginning and 162.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 202.57ms. Allocated memory is still 217.1MB. Free memory was 162.4MB in the beginning and 150.9MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 889730.99ms. Allocated memory was 217.1MB in the beginning and 303.0MB in the end (delta: 86.0MB). Free memory was 150.2MB in the beginning and 157.6MB in the end (delta: -7.4MB). Peak memory consumption was 79.5MB. Max. memory is 8.0GB. * 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 - TimeoutResultAtElement [Line: 17]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable (line 17). Cancelled while NwaCegarLoop was analyzing trace of length 74 with TraceHistMax 8,while AutomatonFreeRefinementEngine was Timeout during CAMEL. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 889.7s, OverallIterations: 5, TraceHistogramMax: 8, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 91.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 13 mSolverCounterUnknown, 62 SdHoareTripleChecker+Valid, 55.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 57 mSDsluCounter, 366 SdHoareTripleChecker+Invalid, 55.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 541 IncrementalHoareTripleChecker+Unchecked, 284 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 261 IncrementalHoareTripleChecker+Invalid, 849 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 82 mSDtfsCounter, 261 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 167 SyntacticMatches, 9 SemanticMatches, 50 ConstructedPredicates, 11 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 89.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=4, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 607.5s InterpolantComputationTime, 155 NumberOfCodeBlocks, 155 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 208 ConstructedInterpolants, 6 QuantifiedInterpolants, 2576 SizeOfPredicates, 9 NumberOfNonLiveVariables, 373 ConjunctsInSsa, 87 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 117/196 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown