/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/nla-digbench/geo3-ll.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-21 05:30:15,439 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-21 05:30:15,495 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-21 05:30:15,498 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-21 05:30:15,498 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-21 05:30:15,524 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-21 05:30:15,524 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-21 05:30:15,524 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-21 05:30:15,525 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-21 05:30:15,528 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-21 05:30:15,528 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-21 05:30:15,528 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-21 05:30:15,528 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-21 05:30:15,529 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-21 05:30:15,529 INFO L153 SettingsManager]: * Use SBE=true [2023-12-21 05:30:15,530 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-21 05:30:15,530 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-21 05:30:15,530 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-21 05:30:15,530 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-21 05:30:15,531 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-21 05:30:15,531 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-21 05:30:15,531 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-21 05:30:15,532 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-21 05:30:15,532 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-21 05:30:15,532 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-21 05:30:15,532 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-21 05:30:15,532 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-21 05:30:15,532 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-21 05:30:15,533 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-21 05:30:15,533 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-21 05:30:15,533 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-21 05:30:15,534 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-21 05:30:15,534 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 05:30:15,534 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-21 05:30:15,534 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-21 05:30:15,534 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-21 05:30:15,534 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-21 05:30:15,534 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-21 05:30:15,534 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-21 05:30:15,534 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-21 05:30:15,535 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-21 05:30:15,535 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-21 05:30:15,535 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-21 05:30:15,535 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-21 05:30:15,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-21 05:30:15,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-21 05:30:15,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-21 05:30:15,735 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-21 05:30:15,735 INFO L274 PluginConnector]: CDTParser initialized [2023-12-21 05:30:15,736 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/geo3-ll.c [2023-12-21 05:30:16,736 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-21 05:30:16,866 INFO L384 CDTParser]: Found 1 translation units. [2023-12-21 05:30:16,866 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/geo3-ll.c [2023-12-21 05:30:16,871 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2b34e5e2/8ad2bce6ab2940e789437b0ba41e1a55/FLAG17ce96197 [2023-12-21 05:30:17,292 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2b34e5e2/8ad2bce6ab2940e789437b0ba41e1a55 [2023-12-21 05:30:17,297 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-21 05:30:17,297 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-21 05:30:17,298 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-21 05:30:17,299 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-21 05:30:17,301 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-21 05:30:17,302 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 05:30:17" (1/1) ... [2023-12-21 05:30:17,302 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29a510d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:30:17, skipping insertion in model container [2023-12-21 05:30:17,303 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 05:30:17" (1/1) ... [2023-12-21 05:30:17,314 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-21 05:30:17,396 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] [2023-12-21 05:30:17,404 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 05:30:17,410 INFO L202 MainTranslator]: Completed pre-run [2023-12-21 05:30:17,417 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] [2023-12-21 05:30:17,420 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 05:30:17,427 INFO L206 MainTranslator]: Completed translation [2023-12-21 05:30:17,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:30:17 WrapperNode [2023-12-21 05:30:17,428 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-21 05:30:17,428 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-21 05:30:17,429 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-21 05:30:17,429 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-21 05:30:17,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:30:17" (1/1) ... [2023-12-21 05:30:17,436 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:30:17" (1/1) ... [2023-12-21 05:30:17,452 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2023-12-21 05:30:17,452 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-21 05:30:17,452 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-21 05:30:17,452 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-21 05:30:17,452 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-21 05:30:17,458 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:30:17" (1/1) ... [2023-12-21 05:30:17,458 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:30:17" (1/1) ... [2023-12-21 05:30:17,459 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:30:17" (1/1) ... [2023-12-21 05:30:17,465 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-21 05:30:17,465 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:30:17" (1/1) ... [2023-12-21 05:30:17,465 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:30:17" (1/1) ... [2023-12-21 05:30:17,466 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:30:17" (1/1) ... [2023-12-21 05:30:17,468 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:30:17" (1/1) ... [2023-12-21 05:30:17,468 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:30:17" (1/1) ... [2023-12-21 05:30:17,469 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:30:17" (1/1) ... [2023-12-21 05:30:17,481 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-21 05:30:17,481 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-21 05:30:17,482 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-21 05:30:17,482 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-21 05:30:17,482 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:30:17" (1/1) ... [2023-12-21 05:30:17,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 05:30:17,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 05:30:17,510 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-21 05:30:17,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-21 05:30:17,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-21 05:30:17,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-21 05:30:17,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-21 05:30:17,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-21 05:30:17,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-21 05:30:17,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-21 05:30:17,613 INFO L241 CfgBuilder]: Building ICFG [2023-12-21 05:30:17,614 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-21 05:30:17,694 INFO L282 CfgBuilder]: Performing block encoding [2023-12-21 05:30:17,720 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-21 05:30:17,721 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-21 05:30:17,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 05:30:17 BoogieIcfgContainer [2023-12-21 05:30:17,721 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-21 05:30:17,722 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-21 05:30:17,722 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-21 05:30:17,725 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-21 05:30:17,725 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 05:30:17" (1/3) ... [2023-12-21 05:30:17,726 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bd0a4cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 05:30:17, skipping insertion in model container [2023-12-21 05:30:17,726 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 05:30:17" (2/3) ... [2023-12-21 05:30:17,726 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bd0a4cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 05:30:17, skipping insertion in model container [2023-12-21 05:30:17,726 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 05:30:17" (3/3) ... [2023-12-21 05:30:17,727 INFO L112 eAbstractionObserver]: Analyzing ICFG geo3-ll.c [2023-12-21 05:30:17,738 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-21 05:30:17,738 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-21 05:30:17,766 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-21 05:30:17,770 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;@1530ca8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-21 05:30:17,770 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-21 05:30:17,772 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) [2023-12-21 05:30:17,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-21 05:30:17,777 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 05:30:17,777 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-12-21 05:30:17,777 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 05:30:17,780 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 05:30:17,780 INFO L85 PathProgramCache]: Analyzing trace with hash 2080033536, now seen corresponding path program 1 times [2023-12-21 05:30:17,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 05:30:17,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032254618] [2023-12-21 05:30:17,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 05:30:17,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 05:30:17,848 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 05:30:17,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [850417549] [2023-12-21 05:30:17,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 05:30:17,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 05:30:17,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 05:30:17,858 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 05:30:17,882 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-21 05:30:17,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 05:30:17,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-21 05:30:17,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 05:30:17,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-21 05:30:17,928 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 05:30:17,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 05:30:17,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032254618] [2023-12-21 05:30:17,929 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 05:30:17,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [850417549] [2023-12-21 05:30:17,930 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [850417549] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 05:30:17,930 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 05:30:17,930 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-21 05:30:17,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571716161] [2023-12-21 05:30:17,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 05:30:17,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-21 05:30:17,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 05:30:17,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-21 05:30:17,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-21 05:30:17,964 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) [2023-12-21 05:30:17,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 05:30:17,984 INFO L93 Difference]: Finished difference Result 25 states and 35 transitions. [2023-12-21 05:30:17,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-21 05:30:17,986 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 [2023-12-21 05:30:17,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 05:30:17,990 INFO L225 Difference]: With dead ends: 25 [2023-12-21 05:30:17,990 INFO L226 Difference]: Without dead ends: 11 [2023-12-21 05:30:17,992 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 [2023-12-21 05:30:17,995 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 [2023-12-21 05:30:17,996 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] [2023-12-21 05:30:18,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2023-12-21 05:30:18,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2023-12-21 05:30:18,022 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) [2023-12-21 05:30:18,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2023-12-21 05:30:18,024 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 12 transitions. Word has length 6 [2023-12-21 05:30:18,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 05:30:18,024 INFO L495 AbstractCegarLoop]: Abstraction has 11 states and 12 transitions. [2023-12-21 05:30:18,025 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) [2023-12-21 05:30:18,025 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2023-12-21 05:30:18,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-21 05:30:18,025 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 05:30:18,025 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-12-21 05:30:18,031 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-21 05:30:18,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-21 05:30:18,232 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 05:30:18,233 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 05:30:18,233 INFO L85 PathProgramCache]: Analyzing trace with hash 2072585786, now seen corresponding path program 1 times [2023-12-21 05:30:18,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 05:30:18,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341081260] [2023-12-21 05:30:18,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 05:30:18,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 05:30:18,238 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 05:30:18,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [395976903] [2023-12-21 05:30:18,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 05:30:18,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 05:30:18,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 05:30:18,247 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 05:30:18,248 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-12-21 05:30:18,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 05:30:18,285 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-21 05:30:18,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 05:30:18,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-21 05:30:18,372 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 05:30:18,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 05:30:18,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341081260] [2023-12-21 05:30:18,372 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 05:30:18,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395976903] [2023-12-21 05:30:18,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [395976903] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 05:30:18,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 05:30:18,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-21 05:30:18,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685042048] [2023-12-21 05:30:18,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 05:30:18,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-21 05:30:18,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 05:30:18,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-21 05:30:18,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-21 05:30:18,374 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) [2023-12-21 05:30:18,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 05:30:18,405 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2023-12-21 05:30:18,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-21 05:30:18,406 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 [2023-12-21 05:30:18,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 05:30:18,406 INFO L225 Difference]: With dead ends: 21 [2023-12-21 05:30:18,406 INFO L226 Difference]: Without dead ends: 18 [2023-12-21 05:30:18,407 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 [2023-12-21 05:30:18,407 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 [2023-12-21 05:30:18,408 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] [2023-12-21 05:30:18,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2023-12-21 05:30:18,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2023-12-21 05:30:18,411 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) [2023-12-21 05:30:18,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2023-12-21 05:30:18,412 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 6 [2023-12-21 05:30:18,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 05:30:18,412 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2023-12-21 05:30:18,412 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) [2023-12-21 05:30:18,413 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2023-12-21 05:30:18,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-21 05:30:18,413 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 05:30:18,413 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 05:30:18,422 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-12-21 05:30:18,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-12-21 05:30:18,614 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 05:30:18,615 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 05:30:18,615 INFO L85 PathProgramCache]: Analyzing trace with hash 43759517, now seen corresponding path program 1 times [2023-12-21 05:30:18,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 05:30:18,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320424359] [2023-12-21 05:30:18,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 05:30:18,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 05:30:18,621 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 05:30:18,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1477734230] [2023-12-21 05:30:18,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 05:30:18,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 05:30:18,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 05:30:18,628 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 05:30:18,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-12-21 05:30:23,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 05:30:23,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 23 conjunts are in the unsatisfiable core [2023-12-21 05:30:23,053 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 05:30:23,243 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-21 05:30:23,243 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 05:30:40,167 WARN L876 $PredicateComparison]: unable to prove that (or (= (mod (+ (* 18446744073709551615 |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~a~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~y~0#1| 18446744073709551615 |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~az~0#1|)) 18446744073709551616) 0) (not (= (mod (+ (* 18446744073709551615 |c_ULTIMATE.start_main_~x~0#1|) |c_ULTIMATE.start_main_~a~0#1| (* |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~y~0#1| 18446744073709551615 |c_ULTIMATE.start_main_~az~0#1|)) 18446744073709551616) 0))) is different from true [2023-12-21 05:30:48,251 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2023-12-21 05:30:48,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 05:30:48,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320424359] [2023-12-21 05:30:48,252 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 05:30:48,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1477734230] [2023-12-21 05:30:48,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1477734230] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-21 05:30:48,252 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-21 05:30:48,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2023-12-21 05:30:48,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270647293] [2023-12-21 05:30:48,253 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-21 05:30:48,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-12-21 05:30:48,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 05:30:48,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-12-21 05:30:48,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=102, Unknown=2, NotChecked=20, Total=156 [2023-12-21 05:30:48,255 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) [2023-12-21 05:30:49,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-21 05:30:57,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-21 05:31:02,006 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-21 05:31:06,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-21 05:31:10,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-21 05:31:14,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-21 05:31:18,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-21 05:31:22,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-21 05:31:22,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 05:31:22,057 INFO L93 Difference]: Finished difference Result 34 states and 39 transitions. [2023-12-21 05:31:22,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-12-21 05:31:22,060 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 [2023-12-21 05:31:22,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 05:31:22,062 INFO L225 Difference]: With dead ends: 34 [2023-12-21 05:31:22,062 INFO L226 Difference]: Without dead ends: 29 [2023-12-21 05:31:22,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 12.9s TimeCoverageRelationStatistics Valid=53, Invalid=159, Unknown=2, NotChecked=26, Total=240 [2023-12-21 05:31:22,063 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 23 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 16 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 29.6s 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, 29.7s IncrementalHoareTripleChecker+Time [2023-12-21 05:31:22,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 38 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 42 Invalid, 7 Unknown, 32 Unchecked, 29.7s Time] [2023-12-21 05:31:22,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2023-12-21 05:31:22,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2023-12-21 05:31:22,071 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) [2023-12-21 05:31:22,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2023-12-21 05:31:22,071 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 13 [2023-12-21 05:31:22,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 05:31:22,071 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2023-12-21 05:31:22,072 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) [2023-12-21 05:31:22,072 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2023-12-21 05:31:22,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-12-21 05:31:22,073 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 05:31:22,073 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 1, 1, 1] [2023-12-21 05:31:22,090 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-12-21 05:31:22,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 05:31:22,281 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 05:31:22,281 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 05:31:22,281 INFO L85 PathProgramCache]: Analyzing trace with hash -50560134, now seen corresponding path program 2 times [2023-12-21 05:31:22,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 05:31:22,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860501001] [2023-12-21 05:31:22,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 05:31:22,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 05:31:22,287 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 05:31:22,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [465122735] [2023-12-21 05:31:22,287 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-21 05:31:22,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 05:31:22,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 05:31:22,290 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 05:31:22,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-12-21 05:31:24,764 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-21 05:31:24,764 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-21 05:31:24,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 56 conjunts are in the unsatisfiable core [2023-12-21 05:31:24,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 05:31:25,385 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 14 proven. 29 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2023-12-21 05:31:25,385 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 05:31:37,998 WARN L293 SmtUtils]: Spent 8.07s 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) [2023-12-21 05:31:50,476 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 [2023-12-21 05:31:59,037 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) [2023-12-21 05:32:14,140 WARN L293 SmtUtils]: Spent 6.58s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:32:26,153 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) [2023-12-21 05:32:30,198 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 [2023-12-21 05:32:38,238 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:32:44,727 WARN L293 SmtUtils]: Spent 6.49s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:32:52,732 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) [2023-12-21 05:33:00,739 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:33:04,745 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 [2023-12-21 05:33:20,819 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:33:32,838 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:33:40,846 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:33:48,854 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:33:56,860 WARN L293 SmtUtils]: Spent 8.00s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:34:00,869 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 [2023-12-21 05:34:12,898 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:34:24,910 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:34:32,915 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:34:40,923 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:34:57,031 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:35:09,048 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:35:17,054 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:35:25,061 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:35:30,773 WARN L293 SmtUtils]: Spent 5.71s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:35:34,779 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 [2023-12-21 05:35:42,794 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:35:55,043 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) [2023-12-21 05:36:03,048 WARN L293 SmtUtils]: Spent 8.00s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:36:11,086 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:36:19,093 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) [2023-12-21 05:36:27,099 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:36:35,110 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 [2023-12-21 05:36:43,157 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) [2023-12-21 05:36:51,164 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) [2023-12-21 05:36:59,172 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:37:07,179 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:37:15,191 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 [2023-12-21 05:37:31,255 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:37:39,271 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:37:47,278 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:37:57,427 WARN L293 SmtUtils]: Spent 10.15s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:38:07,231 WARN L293 SmtUtils]: Spent 9.80s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:38:20,005 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:38:24,011 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 [2023-12-21 05:38:36,047 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:38:44,054 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:38:52,062 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:39:00,069 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:39:08,076 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:39:20,668 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:39:32,714 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:39:40,721 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:39:48,727 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:39:56,733 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:40:04,740 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:40:17,488 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:40:21,495 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 [2023-12-21 05:40:29,515 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:40:37,521 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) [2023-12-21 05:40:45,528 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:40:53,536 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:41:05,570 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:41:13,592 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:41:21,597 WARN L293 SmtUtils]: Spent 8.00s 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) [2023-12-21 05:41:29,604 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:41:37,610 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:41:41,618 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 [2023-12-21 05:41:53,806 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:42:01,812 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) [2023-12-21 05:42:09,818 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:42:17,824 WARN L293 SmtUtils]: Spent 8.00s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:42:29,885 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:42:37,890 WARN L293 SmtUtils]: Spent 8.00s 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) [2023-12-21 05:42:45,898 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:42:53,909 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 05:42:53,912 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 37 not checked. [2023-12-21 05:42:53,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 05:42:53,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860501001] [2023-12-21 05:42:53,912 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 05:42:53,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [465122735] [2023-12-21 05:42:53,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [465122735] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-21 05:42:53,912 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-21 05:42:53,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 17] total 25 [2023-12-21 05:42:53,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446910540] [2023-12-21 05:42:53,913 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-21 05:42:53,913 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2023-12-21 05:42:53,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 05:42:53,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2023-12-21 05:42:53,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=177, Unknown=11, NotChecked=350, Total=600 [2023-12-21 05:42:53,915 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) [2023-12-21 05:43:08,060 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) [2023-12-21 05:43:12,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-21 05:43:16,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-21 05:43:20,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-21 05:43:24,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-21 05:43:28,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-21 05:43:32,194 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 [] [2023-12-21 05:43:32,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 05:43:32,197 INFO L93 Difference]: Finished difference Result 44 states and 48 transitions. [2023-12-21 05:43:32,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-12-21 05:43:32,197 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 [2023-12-21 05:43:32,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 05:43:32,198 INFO L225 Difference]: With dead ends: 44 [2023-12-21 05:43:32,198 INFO L226 Difference]: Without dead ends: 42 [2023-12-21 05:43:32,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 43 SyntacticMatches, 8 SemanticMatches, 26 ConstructedPredicates, 10 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 57.7s TimeCoverageRelationStatistics Valid=86, Invalid=249, Unknown=11, NotChecked=410, Total=756 [2023-12-21 05:43:32,199 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 [2023-12-21 05:43:32,199 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] [2023-12-21 05:43:32,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2023-12-21 05:43:32,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2023-12-21 05:43:32,207 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) [2023-12-21 05:43:32,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2023-12-21 05:43:32,208 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 34 [2023-12-21 05:43:32,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 05:43:32,217 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2023-12-21 05:43:32,217 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) [2023-12-21 05:43:32,218 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2023-12-21 05:43:32,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-12-21 05:43:32,219 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 05:43:32,219 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 1, 1, 1] [2023-12-21 05:43:32,226 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-12-21 05:43:32,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 05:43:32,425 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 05:43:32,427 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 05:43:32,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1795863485, now seen corresponding path program 3 times [2023-12-21 05:43:32,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 05:43:32,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494049756] [2023-12-21 05:43:32,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 05:43:32,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 05:43:32,436 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 05:43:32,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1211888760] [2023-12-21 05:43:32,437 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-12-21 05:43:32,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 05:43:32,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 05:43:32,438 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-21 05:43:32,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process Received shutdown request... [2023-12-21 05:45:04,637 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-21 05:45:04,652 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-21 05:45:05,760 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 [2023-12-21 05:45:05,838 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forcibly destroying the process [2023-12-21 05:45:05,843 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 137 [2023-12-21 05:45:05,843 ERROR L246 FreeRefinementEngine]: Caught known exception: Timeout or Toolchain cancelled by user [2023-12-21 05:45:05,845 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-21 05:45:05,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-21 05:45:05,845 WARN L619 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was analyzing trace of length 56 with TraceHistMax 8,while AutomatonFreeRefinementEngine was Timeout during CAMEL. [2023-12-21 05:45:05,848 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2023-12-21 05:45:05,850 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-12-21 05:45:05,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 05:45:05 BoogieIcfgContainer [2023-12-21 05:45:05,870 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-21 05:45:05,871 INFO L158 Benchmark]: Toolchain (without parser) took 888572.96ms. Allocated memory was 186.6MB in the beginning and 274.7MB in the end (delta: 88.1MB). Free memory was 133.4MB in the beginning and 141.8MB in the end (delta: -8.4MB). Peak memory consumption was 80.5MB. Max. memory is 8.0GB. [2023-12-21 05:45:05,871 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 186.6MB. Free memory is still 136.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-21 05:45:05,872 INFO L158 Benchmark]: CACSL2BoogieTranslator took 129.62ms. Allocated memory is still 186.6MB. Free memory was 133.4MB in the beginning and 122.4MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-12-21 05:45:05,872 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.37ms. Allocated memory is still 186.6MB. Free memory was 122.4MB in the beginning and 120.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-21 05:45:05,872 INFO L158 Benchmark]: Boogie Preprocessor took 28.79ms. Allocated memory is still 186.6MB. Free memory was 120.8MB in the beginning and 119.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-12-21 05:45:05,872 INFO L158 Benchmark]: RCFGBuilder took 239.66ms. Allocated memory is still 186.6MB. Free memory was 119.3MB in the beginning and 108.2MB in the end (delta: 11.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-12-21 05:45:05,873 INFO L158 Benchmark]: TraceAbstraction took 888147.61ms. Allocated memory was 186.6MB in the beginning and 274.7MB in the end (delta: 88.1MB). Free memory was 107.8MB in the beginning and 141.8MB in the end (delta: -34.0MB). Peak memory consumption was 55.4MB. Max. memory is 8.0GB. [2023-12-21 05:45:05,875 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 186.6MB. Free memory is still 136.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 129.62ms. Allocated memory is still 186.6MB. Free memory was 133.4MB in the beginning and 122.4MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 23.37ms. Allocated memory is still 186.6MB. Free memory was 122.4MB in the beginning and 120.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.79ms. Allocated memory is still 186.6MB. Free memory was 120.8MB in the beginning and 119.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 239.66ms. Allocated memory is still 186.6MB. Free memory was 119.3MB in the beginning and 108.2MB in the end (delta: 11.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 888147.61ms. Allocated memory was 186.6MB in the beginning and 274.7MB in the end (delta: 88.1MB). Free memory was 107.8MB in the beginning and 141.8MB in the end (delta: -34.0MB). Peak memory consumption was 55.4MB. 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: 888.1s, OverallIterations: 5, TraceHistogramMax: 8, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 72.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 13 mSolverCounterUnknown, 49 SdHoareTripleChecker+Valid, 55.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 44 mSDsluCounter, 178 SdHoareTripleChecker+Invalid, 55.1s 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, 70.6s 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, 6.9s SatisfiabilityAnalysisTime, 714.5s 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