/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 true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/nla-digbench/geo3-ll.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-19 18:55:23,057 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-19 18:55:23,143 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-19 18:55:23,151 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-19 18:55:23,151 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-19 18:55:23,180 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-19 18:55:23,180 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-19 18:55:23,180 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-19 18:55:23,181 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-19 18:55:23,184 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-19 18:55:23,185 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-19 18:55:23,185 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-19 18:55:23,185 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-19 18:55:23,186 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-19 18:55:23,187 INFO L153 SettingsManager]: * Use SBE=true [2023-12-19 18:55:23,187 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-19 18:55:23,187 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-19 18:55:23,188 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-19 18:55:23,188 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-19 18:55:23,189 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-19 18:55:23,189 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-19 18:55:23,189 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-19 18:55:23,189 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-19 18:55:23,190 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-19 18:55:23,190 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-19 18:55:23,190 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-19 18:55:23,190 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-19 18:55:23,190 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-19 18:55:23,191 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-19 18:55:23,191 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-19 18:55:23,192 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-19 18:55:23,192 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-19 18:55:23,192 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 18:55:23,193 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-19 18:55:23,193 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-19 18:55:23,193 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-19 18:55:23,193 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-19 18:55:23,193 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-19 18:55:23,193 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-19 18:55:23,194 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-19 18:55:23,194 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-19 18:55:23,194 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-19 18:55:23,194 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-19 18:55:23,194 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-19 18:55:23,386 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-19 18:55:23,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-19 18:55:23,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-19 18:55:23,407 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-19 18:55:23,409 INFO L274 PluginConnector]: CDTParser initialized [2023-12-19 18:55:23,410 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/geo3-ll.c [2023-12-19 18:55:24,489 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-19 18:55:24,655 INFO L384 CDTParser]: Found 1 translation units. [2023-12-19 18:55:24,656 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/geo3-ll.c [2023-12-19 18:55:24,664 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37ba4e6b2/cd908b704c854e0383982eac858e1181/FLAGdaf7b3609 [2023-12-19 18:55:24,678 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37ba4e6b2/cd908b704c854e0383982eac858e1181 [2023-12-19 18:55:24,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-19 18:55:24,682 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-19 18:55:24,684 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-19 18:55:24,685 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-19 18:55:24,689 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-19 18:55:24,689 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 06:55:24" (1/1) ... [2023-12-19 18:55:24,690 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67fe2ba0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:55:24, skipping insertion in model container [2023-12-19 18:55:24,690 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 06:55:24" (1/1) ... [2023-12-19 18:55:24,710 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-19 18:55:24,839 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/geo3-ll.c[525,538] [2023-12-19 18:55:24,850 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 18:55:24,858 INFO L202 MainTranslator]: Completed pre-run [2023-12-19 18:55:24,868 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/geo3-ll.c[525,538] [2023-12-19 18:55:24,873 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-19 18:55:24,884 INFO L206 MainTranslator]: Completed translation [2023-12-19 18:55:24,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:55:24 WrapperNode [2023-12-19 18:55:24,885 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-19 18:55:24,885 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-19 18:55:24,885 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-19 18:55:24,886 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-19 18:55:24,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:55:24" (1/1) ... [2023-12-19 18:55:24,895 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:55:24" (1/1) ... [2023-12-19 18:55:24,916 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2023-12-19 18:55:24,916 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-19 18:55:24,917 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-19 18:55:24,917 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-19 18:55:24,917 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-19 18:55:24,925 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:55:24" (1/1) ... [2023-12-19 18:55:24,925 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:55:24" (1/1) ... [2023-12-19 18:55:24,926 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:55:24" (1/1) ... [2023-12-19 18:55:24,935 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]. [2023-12-19 18:55:24,935 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:55:24" (1/1) ... [2023-12-19 18:55:24,935 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:55:24" (1/1) ... [2023-12-19 18:55:24,937 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:55:24" (1/1) ... [2023-12-19 18:55:24,940 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:55:24" (1/1) ... [2023-12-19 18:55:24,941 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:55:24" (1/1) ... [2023-12-19 18:55:24,941 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:55:24" (1/1) ... [2023-12-19 18:55:24,942 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-19 18:55:24,943 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-19 18:55:24,943 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-19 18:55:24,943 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-19 18:55:24,944 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:55:24" (1/1) ... [2023-12-19 18:55:24,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-19 18:55:24,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 18:55:24,973 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) [2023-12-19 18:55:24,980 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 [2023-12-19 18:55:24,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-19 18:55:24,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-19 18:55:24,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-19 18:55:24,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-19 18:55:24,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-19 18:55:24,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-19 18:55:25,039 INFO L241 CfgBuilder]: Building ICFG [2023-12-19 18:55:25,041 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-19 18:55:25,134 INFO L282 CfgBuilder]: Performing block encoding [2023-12-19 18:55:25,156 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-19 18:55:25,156 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-19 18:55:25,157 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 06:55:25 BoogieIcfgContainer [2023-12-19 18:55:25,157 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-19 18:55:25,159 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-19 18:55:25,159 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-19 18:55:25,161 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-19 18:55:25,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 06:55:24" (1/3) ... [2023-12-19 18:55:25,162 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2333b1fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 06:55:25, skipping insertion in model container [2023-12-19 18:55:25,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 06:55:24" (2/3) ... [2023-12-19 18:55:25,163 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2333b1fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 06:55:25, skipping insertion in model container [2023-12-19 18:55:25,163 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 06:55:25" (3/3) ... [2023-12-19 18:55:25,164 INFO L112 eAbstractionObserver]: Analyzing ICFG geo3-ll.c [2023-12-19 18:55:25,181 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-19 18:55:25,181 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-19 18:55:25,216 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-19 18:55:25,221 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;@13f30045, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-19 18:55:25,221 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-19 18:55:25,225 INFO L276 IsEmpty]: Start isEmpty. Operand has 13 states, 8 states have (on average 1.625) internal successors, (13), 9 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-19 18:55:25,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-19 18:55:25,230 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 18:55:25,230 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-12-19 18:55:25,231 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 18:55:25,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 18:55:25,235 INFO L85 PathProgramCache]: Analyzing trace with hash 2080033536, now seen corresponding path program 1 times [2023-12-19 18:55:25,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 18:55:25,240 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459296224] [2023-12-19 18:55:25,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 18:55:25,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 18:55:25,328 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 18:55:25,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1376142175] [2023-12-19 18:55:25,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 18:55:25,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 18:55:25,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 18:55:25,332 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) [2023-12-19 18:55:25,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-19 18:55:25,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 18:55:25,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-19 18:55:25,421 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 18:55:25,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 18:55:25,445 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 18:55:25,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 18:55:25,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459296224] [2023-12-19 18:55:25,445 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 18:55:25,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1376142175] [2023-12-19 18:55:25,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1376142175] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 18:55:25,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 18:55:25,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-19 18:55:25,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404556969] [2023-12-19 18:55:25,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 18:55:25,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-19 18:55:25,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 18:55:25,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-19 18:55:25,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 18:55:25,490 INFO L87 Difference]: Start difference. First operand has 13 states, 8 states have (on average 1.625) internal successors, (13), 9 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 18:55:25,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 18:55:25,521 INFO L93 Difference]: Finished difference Result 25 states and 35 transitions. [2023-12-19 18:55:25,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-19 18:55:25,523 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-12-19 18:55:25,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 18:55:25,529 INFO L225 Difference]: With dead ends: 25 [2023-12-19 18:55:25,529 INFO L226 Difference]: Without dead ends: 11 [2023-12-19 18:55:25,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-19 18:55:25,536 INFO L413 NwaCegarLoop]: 12 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, 12 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 [2023-12-19 18:55:25,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 18:55:25,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2023-12-19 18:55:25,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2023-12-19 18:55:25,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 8 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-12-19 18:55:25,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2023-12-19 18:55:25,565 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 6 [2023-12-19 18:55:25,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 18:55:25,566 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2023-12-19 18:55:25,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 18:55:25,566 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2023-12-19 18:55:25,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-19 18:55:25,567 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 18:55:25,567 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-12-19 18:55:25,576 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-19 18:55:25,772 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 [2023-12-19 18:55:25,787 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 18:55:25,788 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 18:55:25,788 INFO L85 PathProgramCache]: Analyzing trace with hash 2072585786, now seen corresponding path program 1 times [2023-12-19 18:55:25,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 18:55:25,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118199088] [2023-12-19 18:55:25,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 18:55:25,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 18:55:25,801 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 18:55:25,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1189270187] [2023-12-19 18:55:25,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 18:55:25,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 18:55:25,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 18:55:25,803 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) [2023-12-19 18:55:25,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-19 18:55:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 18:55:25,853 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-19 18:55:25,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 18:55:25,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 18:55:25,976 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-19 18:55:25,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 18:55:25,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118199088] [2023-12-19 18:55:25,976 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 18:55:25,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1189270187] [2023-12-19 18:55:25,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1189270187] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-19 18:55:25,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-19 18:55:25,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-19 18:55:25,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158127973] [2023-12-19 18:55:25,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-19 18:55:25,978 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-19 18:55:25,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 18:55:25,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-19 18:55:25,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-19 18:55:25,979 INFO L87 Difference]: Start difference. First operand 11 states and 12 transitions. Second operand has 5 states, 5 states have (on average 1.0) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 18:55:26,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 18:55:26,037 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2023-12-19 18:55:26,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-19 18:55:26,038 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.0) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2023-12-19 18:55:26,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 18:55:26,038 INFO L225 Difference]: With dead ends: 21 [2023-12-19 18:55:26,039 INFO L226 Difference]: Without dead ends: 18 [2023-12-19 18:55:26,039 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-12-19 18:55:26,040 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 6 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-12-19 18:55:26,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 27 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-19 18:55:26,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2023-12-19 18:55:26,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2023-12-19 18:55:26,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-19 18:55:26,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2023-12-19 18:55:26,046 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 6 [2023-12-19 18:55:26,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 18:55:26,046 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2023-12-19 18:55:26,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.0) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-19 18:55:26,047 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2023-12-19 18:55:26,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-19 18:55:26,047 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 18:55:26,047 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-12-19 18:55:26,056 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-19 18:55:26,254 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 [2023-12-19 18:55:26,254 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 18:55:26,255 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 18:55:26,255 INFO L85 PathProgramCache]: Analyzing trace with hash 43759517, now seen corresponding path program 1 times [2023-12-19 18:55:26,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 18:55:26,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483431883] [2023-12-19 18:55:26,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 18:55:26,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 18:55:26,267 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 18:55:26,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2090305220] [2023-12-19 18:55:26,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 18:55:26,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 18:55:26,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 18:55:26,272 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) [2023-12-19 18:55:26,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-19 18:55:30,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-19 18:55:30,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-19 18:55:30,471 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 18:55:30,670 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-19 18:55:30,670 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 18:55:47,699 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 [2023-12-19 18:55:56,064 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2023-12-19 18:55:56,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 18:55:56,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483431883] [2023-12-19 18:55:56,065 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 18:55:56,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2090305220] [2023-12-19 18:55:56,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2090305220] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-19 18:55:56,066 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-19 18:55:56,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2023-12-19 18:55:56,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122793768] [2023-12-19 18:55:56,066 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-19 18:55:56,067 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-19 18:55:56,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 18:55:56,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-19 18:55:56,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=102, Unknown=2, NotChecked=20, Total=156 [2023-12-19 18:55:56,068 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 10 states have internal predecessors, (18), 4 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-19 18:56:04,661 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 [] [2023-12-19 18:56:08,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-19 18:56:12,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-19 18:56:16,700 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-19 18:56:20,705 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-19 18:56:24,712 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-19 18:56:28,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-19 18:56:28,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 18:56:28,788 INFO L93 Difference]: Finished difference Result 34 states and 39 transitions. [2023-12-19 18:56:28,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-19 18:56:28,790 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 10 states have internal predecessors, (18), 4 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 13 [2023-12-19 18:56:28,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 18:56:28,792 INFO L225 Difference]: With dead ends: 34 [2023-12-19 18:56:28,792 INFO L226 Difference]: Without dead ends: 29 [2023-12-19 18:56:28,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 13.1s TimeCoverageRelationStatistics Valid=53, Invalid=159, Unknown=2, NotChecked=26, Total=240 [2023-12-19 18:56:28,794 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 23 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 16 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 32 IncrementalHoareTripleChecker+Unchecked, 28.6s IncrementalHoareTripleChecker+Time [2023-12-19 18:56:28,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 38 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 42 Invalid, 7 Unknown, 32 Unchecked, 28.6s Time] [2023-12-19 18:56:28,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2023-12-19 18:56:28,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2023-12-19 18:56:28,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 20 states have (on average 1.05) internal successors, (21), 21 states have internal predecessors, (21), 5 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2023-12-19 18:56:28,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2023-12-19 18:56:28,819 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 13 [2023-12-19 18:56:28,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 18:56:28,819 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2023-12-19 18:56:28,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 10 states have internal predecessors, (18), 4 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-12-19 18:56:28,820 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2023-12-19 18:56:28,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-19 18:56:28,821 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 18:56:28,821 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 1, 1, 1] [2023-12-19 18:56:28,832 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-19 18:56:29,021 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 [2023-12-19 18:56:29,022 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 18:56:29,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 18:56:29,023 INFO L85 PathProgramCache]: Analyzing trace with hash -50560134, now seen corresponding path program 2 times [2023-12-19 18:56:29,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 18:56:29,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800844135] [2023-12-19 18:56:29,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 18:56:29,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 18:56:29,031 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 18:56:29,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1001876926] [2023-12-19 18:56:29,031 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-19 18:56:29,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 18:56:29,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 18:56:29,033 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) [2023-12-19 18:56:29,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-19 18:56:31,586 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-19 18:56:31,587 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-19 18:56:31,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 56 conjunts are in the unsatisfiable core [2023-12-19 18:56:31,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-19 18:56:32,760 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 14 proven. 29 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-19 18:56:32,760 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-19 18:56:46,078 WARN L293 SmtUtils]: Spent 8.00s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-19 18:56:56,617 WARN L293 SmtUtils]: Spent 6.17s 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) [2023-12-19 18:57:00,633 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)) (< 18446744073709551614 (mod |c_ULTIMATE.start_main_~c~0#1| 18446744073709551616))) is different from true [2023-12-19 18:57:08,887 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-19 18:57:34,594 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-19 18:57:38,605 WARN L876 $PredicateComparison]: unable to prove that (or (< 18446744073709551614 (mod (+ |c_ULTIMATE.start_main_~c~0#1| 1) 18446744073709551616)) (= (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 [2023-12-19 18:57:46,661 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) [2023-12-19 18:57:58,827 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-19 18:58:06,843 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) [2023-12-19 18:58:10,881 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)) (< 18446744073709551614 (mod (+ |c_ULTIMATE.start_main_~c~0#1| 1) 18446744073709551616)) (= (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 [2023-12-19 18:58:26,947 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) [2023-12-19 18:58:38,960 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) [2023-12-19 18:58:46,981 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) [2023-12-19 18:58:54,994 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) [2023-12-19 18:59:01,929 WARN L293 SmtUtils]: Spent 6.93s 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) [2023-12-19 18:59:05,951 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_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_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_11| Int)) (let ((.cse0 (+ (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_11| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_11|) (* 18446744073709551615 |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_2))) (or (= .cse0 0) (not (= (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_11| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_11| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_11|) (* |v_ULTIMATE.start_main_~z~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|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_11| v_z_2) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_11| 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_11|)) 18446744073709551616) 0)) (= .cse0 18446744073709551616) (< 18446744073709551615 v_z_2) (< v_z_2 0) (= (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_11| |v_ULTIMATE.start_main_~z~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|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_11| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_11| 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_11|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_11| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_11| v_z_2) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_11| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_11| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_11| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_11|)) 18446744073709551616) 0))))) is different from true [2023-12-19 18:59:17,994 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) [2023-12-19 18:59:30,353 WARN L293 SmtUtils]: Spent 8.34s 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) [2023-12-19 18:59:38,360 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) [2023-12-19 18:59:46,374 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) [2023-12-19 19:00:03,010 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) [2023-12-19 19:00:15,033 WARN L293 SmtUtils]: Spent 8.02s 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) [2023-12-19 19:00:23,041 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) [2023-12-19 19:00:31,051 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) [2023-12-19 19:00:39,738 WARN L876 $PredicateComparison]: unable to prove that (or (not (= |c___VERIFIER_assert_#in~cond| 0)) (= c___VERIFIER_assert_~cond 0) (forall ((v_z_2 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_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_11| Int)) (let ((.cse0 (+ (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_11| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_11|) (* 18446744073709551615 |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_2))) (or (= .cse0 0) (not (= (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_11| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_11| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_11|) (* |v_ULTIMATE.start_main_~z~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|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_11| v_z_2) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_11| 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_11|)) 18446744073709551616) 0)) (= .cse0 18446744073709551616) (< 18446744073709551615 v_z_2) (< v_z_2 0) (= (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_11| |v_ULTIMATE.start_main_~z~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|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_11| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_11| 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_11|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_11| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_11| v_z_2) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_11| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_11| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_11| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_11|)) 18446744073709551616) 0))))) is different from true [2023-12-19 19:00:47,756 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) [2023-12-19 19:00:59,862 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-19 19:01:07,869 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) [2023-12-19 19:01:15,890 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) [2023-12-19 19:01:23,899 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-19 19:01:32,025 WARN L293 SmtUtils]: Spent 8.13s 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) [2023-12-19 19:01:40,033 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) [2023-12-19 19:01:44,728 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) (< 18446744073709551614 (mod (+ |c_ULTIMATE.start_main_~c~0#1| 2) 18446744073709551616)) (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 [2023-12-19 19:01:52,770 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) [2023-12-19 19:02:00,780 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-19 19:02:08,795 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) [2023-12-19 19:02:16,804 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) [2023-12-19 19:02:24,827 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) (< 18446744073709551614 (mod (+ |c_ULTIMATE.start_main_~c~0#1| 2) 18446744073709551616)) (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 [2023-12-19 19:02:40,912 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) [2023-12-19 19:02:48,924 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) [2023-12-19 19:02:56,930 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) [2023-12-19 19:03:04,938 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) [2023-12-19 19:03:12,946 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) [2023-12-19 19:03:25,857 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) [2023-12-19 19:03:29,865 WARN L876 $PredicateComparison]: unable to prove that (or (not (= |c___VERIFIER_assert_#in~cond| 0)) (forall ((v_z_3 Int) (|v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| Int) (|v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_12| 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_12| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_12|) (* 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_12|)) 18446744073709551616) v_z_3))) (or (< v_z_3 0) (not (= (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| |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_12| 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_12|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| v_z_3) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_12|)) 18446744073709551616) 0)) (< 18446744073709551615 v_z_3) (= .cse0 0) (not (= (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_12|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| v_z_3) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_12|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| |v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_12| 18446744073709551615 |v_ULTIMATE.start_main_~az~0#1_BEFORE_CALL_12|)) 18446744073709551616) 0)) (= (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| v_z_3) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_12|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| |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_12| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_12|)) 18446744073709551616) 0) (= 18446744073709551616 .cse0))))) is different from true [2023-12-19 19:03:41,913 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) [2023-12-19 19:03:49,932 WARN L293 SmtUtils]: Spent 8.02s 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) [2023-12-19 19:03:57,938 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) [2023-12-19 19:04:05,946 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) [2023-12-19 19:04:13,953 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) [2023-12-19 19:04:26,078 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) [2023-12-19 19:04:38,150 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) [2023-12-19 19:04:46,157 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) [2023-12-19 19:04:54,169 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) [2023-12-19 19:05:02,178 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) [2023-12-19 19:05:10,184 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) [2023-12-19 19:05:22,834 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) [2023-12-19 19:05:26,841 WARN L876 $PredicateComparison]: unable to prove that (or (not (= |c___VERIFIER_assert_#in~cond| 0)) (= c___VERIFIER_assert_~cond 0) (forall ((v_z_3 Int) (|v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| Int) (|v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_12| 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_12| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_12|) (* 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_12|)) 18446744073709551616) v_z_3))) (or (< v_z_3 0) (not (= (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| |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_12| 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_12|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| v_z_3) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_12|)) 18446744073709551616) 0)) (< 18446744073709551615 v_z_3) (= .cse0 0) (not (= (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_12|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| v_z_3) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_12|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| |v_ULTIMATE.start_main_~y~0#1_BEFORE_CALL_12| 18446744073709551615 |v_ULTIMATE.start_main_~az~0#1_BEFORE_CALL_12|)) 18446744073709551616) 0)) (= (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| v_z_3) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_12|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| |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_12| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_12| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_12|)) 18446744073709551616) 0) (= 18446744073709551616 .cse0))))) is different from true [2023-12-19 19:05:34,866 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) [2023-12-19 19:05:42,876 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-19 19:05:50,885 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) [2023-12-19 19:05:58,892 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) [2023-12-19 19:06:15,234 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) [2023-12-19 19:06:23,242 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-19 19:06:31,248 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) [2023-12-19 19:06:39,287 WARN L293 SmtUtils]: Spent 8.04s 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) [2023-12-19 19:06:43,296 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)) (< 18446744073709551614 (mod (+ |c_ULTIMATE.start_main_~c~0#1| 3) 18446744073709551616)) (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 [2023-12-19 19:06:51,313 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) [2023-12-19 19:06:59,321 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) [2023-12-19 19:07:07,328 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-19 19:07:15,335 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) [2023-12-19 19:07:23,345 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) [2023-12-19 19:07:35,419 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) [2023-12-19 19:07:43,426 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-19 19:07:51,433 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) [2023-12-19 19:07:59,440 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) [2023-12-19 19:07:59,444 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 37 not checked. [2023-12-19 19:07:59,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-19 19:07:59,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800844135] [2023-12-19 19:07:59,444 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-19 19:07:59,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1001876926] [2023-12-19 19:07:59,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1001876926] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-19 19:07:59,444 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-19 19:07:59,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 17] total 25 [2023-12-19 19:07:59,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463627556] [2023-12-19 19:07:59,445 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-19 19:07:59,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-19 19:07:59,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-19 19:07:59,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-19 19:07:59,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=177, Unknown=11, NotChecked=350, Total=600 [2023-12-19 19:07:59,447 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand has 25 states, 25 states have (on average 1.56) internal successors, (39), 21 states have internal predecessors, (39), 10 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-12-19 19:08:13,180 WARN L293 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 27 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-19 19:08:17,188 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 [] [2023-12-19 19:08:21,191 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-19 19:08:25,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-19 19:08:29,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-19 19:08:33,220 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-19 19:08:39,651 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-19 19:08:39,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-19 19:08:39,655 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2023-12-19 19:08:39,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-19 19:08:39,656 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 1.56) internal successors, (39), 21 states have internal predecessors, (39), 10 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Word has length 34 [2023-12-19 19:08:39,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-19 19:08:39,657 INFO L225 Difference]: With dead ends: 44 [2023-12-19 19:08:39,657 INFO L226 Difference]: Without dead ends: 42 [2023-12-19 19:08:39,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 43 SyntacticMatches, 8 SemanticMatches, 26 ConstructedPredicates, 10 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 61.0s TimeCoverageRelationStatistics Valid=86, Invalid=249, Unknown=11, NotChecked=410, Total=756 [2023-12-19 19:08:39,659 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 15 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 11 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 377 IncrementalHoareTripleChecker+Unchecked, 25.5s IncrementalHoareTripleChecker+Time [2023-12-19 19:08:39,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 101 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 124 Invalid, 6 Unknown, 377 Unchecked, 25.5s Time] [2023-12-19 19:08:39,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-12-19 19:08:39,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2023-12-19 19:08:39,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 29 states have (on average 1.0344827586206897) internal successors, (30), 30 states have internal predecessors, (30), 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) [2023-12-19 19:08:39,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2023-12-19 19:08:39,670 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 34 [2023-12-19 19:08:39,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-19 19:08:39,670 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2023-12-19 19:08:39,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 1.56) internal successors, (39), 21 states have internal predecessors, (39), 10 states have call successors, (10), 3 states have call predecessors, (10), 4 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2023-12-19 19:08:39,670 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2023-12-19 19:08:39,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-19 19:08:39,671 INFO L187 NwaCegarLoop]: Found error trace [2023-12-19 19:08:39,672 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 1, 1, 1] [2023-12-19 19:08:39,679 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-19 19:08:39,879 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 [2023-12-19 19:08:39,879 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-19 19:08:39,879 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-19 19:08:39,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1795863485, now seen corresponding path program 3 times [2023-12-19 19:08:39,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-19 19:08:39,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [756423611] [2023-12-19 19:08:39,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-19 19:08:39,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-19 19:08:39,889 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-19 19:08:39,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1128709434] [2023-12-19 19:08:39,889 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-19 19:08:39,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-19 19:08:39,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-19 19:08:39,893 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) [2023-12-19 19:08:39,893 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... [2023-12-19 19:10:07,155 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 [2023-12-19 19:10:07,176 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 [2023-12-19 19:10:08,305 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 [2023-12-19 19:10:08,356 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forcibly destroying the process [2023-12-19 19:10:08,361 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 137 [2023-12-19 19:10:08,362 ERROR L246 FreeRefinementEngine]: Caught known exception: Timeout or Toolchain cancelled by user [2023-12-19 19:10:08,363 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-19 19:10:08,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-19 19:10:08,364 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 56 with TraceHistMax 8,while AutomatonFreeRefinementEngine was Timeout during CAMEL. [2023-12-19 19:10:08,366 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2023-12-19 19:10:08,368 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-19 19:10:08,370 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 07:10:08 BoogieIcfgContainer [2023-12-19 19:10:08,370 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-19 19:10:08,370 INFO L158 Benchmark]: Toolchain (without parser) took 883688.42ms. Allocated memory was 183.5MB in the beginning and 231.7MB in the end (delta: 48.2MB). Free memory was 136.8MB in the beginning and 203.9MB in the end (delta: -67.1MB). Peak memory consumption was 113.5MB. Max. memory is 8.0GB. [2023-12-19 19:10:08,370 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 183.5MB. Free memory is still 139.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-19 19:10:08,371 INFO L158 Benchmark]: CACSL2BoogieTranslator took 200.22ms. Allocated memory is still 183.5MB. Free memory was 136.5MB in the beginning and 125.6MB in the end (delta: 10.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-12-19 19:10:08,371 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.74ms. Allocated memory is still 183.5MB. Free memory was 125.6MB in the beginning and 124.2MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-12-19 19:10:08,371 INFO L158 Benchmark]: Boogie Preprocessor took 25.86ms. Allocated memory is still 183.5MB. Free memory was 124.2MB in the beginning and 122.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-19 19:10:08,371 INFO L158 Benchmark]: RCFGBuilder took 213.71ms. Allocated memory is still 183.5MB. Free memory was 122.5MB in the beginning and 111.6MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-12-19 19:10:08,372 INFO L158 Benchmark]: TraceAbstraction took 883211.05ms. Allocated memory was 183.5MB in the beginning and 231.7MB in the end (delta: 48.2MB). Free memory was 111.0MB in the beginning and 203.9MB in the end (delta: -92.9MB). Peak memory consumption was 87.3MB. Max. memory is 8.0GB. [2023-12-19 19:10:08,373 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 183.5MB. Free memory is still 139.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 200.22ms. Allocated memory is still 183.5MB. Free memory was 136.5MB in the beginning and 125.6MB in the end (delta: 10.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.74ms. Allocated memory is still 183.5MB. Free memory was 125.6MB in the beginning and 124.2MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.86ms. Allocated memory is still 183.5MB. Free memory was 124.2MB in the beginning and 122.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 213.71ms. Allocated memory is still 183.5MB. Free memory was 122.5MB in the beginning and 111.6MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 883211.05ms. Allocated memory was 183.5MB in the beginning and 231.7MB in the end (delta: 48.2MB). Free memory was 111.0MB in the beginning and 203.9MB in the end (delta: -92.9MB). Peak memory consumption was 87.3MB. 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 56 with TraceHistMax 8,while AutomatonFreeRefinementEngine was Timeout during CAMEL. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 883.2s, OverallIterations: 5, TraceHistogramMax: 8, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 73.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 13 mSolverCounterUnknown, 49 SdHoareTripleChecker+Valid, 54.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 44 mSDsluCounter, 178 SdHoareTripleChecker+Invalid, 54.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 409 IncrementalHoareTripleChecker+Unchecked, 139 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 188 IncrementalHoareTripleChecker+Invalid, 638 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 39 mSDtfsCounter, 188 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 63 SyntacticMatches, 9 SemanticMatches, 44 ConstructedPredicates, 11 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 74.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=4, InterpolantAutomatonStates: 30, 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: 0.0s SsaConstructionTime, 6.7s SatisfiabilityAnalysisTime, 713.6s InterpolantComputationTime, 59 NumberOfCodeBlocks, 59 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 100 ConstructedInterpolants, 6 QuantifiedInterpolants, 2615 SizeOfPredicates, 9 NumberOfNonLiveVariables, 265 ConjunctsInSsa, 92 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 51/124 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