/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/nla-digbench-scaling/geo1-ll_valuebound100.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-21 06:48:51,559 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-21 06:48:51,626 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 06:48:51,631 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-21 06:48:51,631 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-21 06:48:51,654 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-21 06:48:51,655 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-21 06:48:51,655 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-21 06:48:51,655 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-21 06:48:51,659 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-21 06:48:51,660 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-21 06:48:51,660 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-21 06:48:51,660 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-21 06:48:51,661 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-21 06:48:51,662 INFO L153 SettingsManager]: * Use SBE=true [2023-12-21 06:48:51,662 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-21 06:48:51,662 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-21 06:48:51,662 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-21 06:48:51,662 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-21 06:48:51,662 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-21 06:48:51,662 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-21 06:48:51,663 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-21 06:48:51,663 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-21 06:48:51,663 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-21 06:48:51,663 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-21 06:48:51,663 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-21 06:48:51,663 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-21 06:48:51,664 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-21 06:48:51,664 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-21 06:48:51,664 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-21 06:48:51,665 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-21 06:48:51,665 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-21 06:48:51,665 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 06:48:51,665 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-21 06:48:51,665 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-21 06:48:51,665 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-21 06:48:51,666 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-21 06:48:51,666 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-21 06:48:51,666 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-21 06:48:51,666 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-21 06:48:51,666 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-21 06:48:51,666 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-21 06:48:51,666 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-21 06:48:51,666 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false [2023-12-21 06:48:51,854 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-21 06:48:51,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-21 06:48:51,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-21 06:48:51,882 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-21 06:48:51,882 INFO L274 PluginConnector]: CDTParser initialized [2023-12-21 06:48:51,883 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench-scaling/geo1-ll_valuebound100.c [2023-12-21 06:48:52,922 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-21 06:48:53,076 INFO L384 CDTParser]: Found 1 translation units. [2023-12-21 06:48:53,076 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/geo1-ll_valuebound100.c [2023-12-21 06:48:53,081 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2255761b/4f1c9bb790744f0aa4017f4355601a2a/FLAG7e8b3316e [2023-12-21 06:48:53,092 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2255761b/4f1c9bb790744f0aa4017f4355601a2a [2023-12-21 06:48:53,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-21 06:48:53,095 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-21 06:48:53,096 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-21 06:48:53,096 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-21 06:48:53,099 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-21 06:48:53,100 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 06:48:53" (1/1) ... [2023-12-21 06:48:53,100 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fbc722c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 06:48:53, skipping insertion in model container [2023-12-21 06:48:53,101 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 06:48:53" (1/1) ... [2023-12-21 06:48:53,115 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-21 06:48:53,214 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/geo1-ll_valuebound100.c[545,558] [2023-12-21 06:48:53,224 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 06:48:53,231 INFO L202 MainTranslator]: Completed pre-run [2023-12-21 06:48:53,239 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench-scaling/geo1-ll_valuebound100.c[545,558] [2023-12-21 06:48:53,243 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-21 06:48:53,253 INFO L206 MainTranslator]: Completed translation [2023-12-21 06:48:53,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 06:48:53 WrapperNode [2023-12-21 06:48:53,253 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-21 06:48:53,254 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-21 06:48:53,254 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-21 06:48:53,254 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-21 06:48:53,259 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 06:48:53" (1/1) ... [2023-12-21 06:48:53,264 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 06:48:53" (1/1) ... [2023-12-21 06:48:53,283 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2023-12-21 06:48:53,283 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-21 06:48:53,284 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-21 06:48:53,284 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-21 06:48:53,284 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-21 06:48:53,291 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 06:48:53" (1/1) ... [2023-12-21 06:48:53,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 06:48:53" (1/1) ... [2023-12-21 06:48:53,292 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 06:48:53" (1/1) ... [2023-12-21 06:48:53,299 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 06:48:53,300 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 06:48:53" (1/1) ... [2023-12-21 06:48:53,300 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 06:48:53" (1/1) ... [2023-12-21 06:48:53,302 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 06:48:53" (1/1) ... [2023-12-21 06:48:53,304 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 06:48:53" (1/1) ... [2023-12-21 06:48:53,304 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 06:48:53" (1/1) ... [2023-12-21 06:48:53,305 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 06:48:53" (1/1) ... [2023-12-21 06:48:53,306 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-21 06:48:53,306 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-21 06:48:53,307 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-21 06:48:53,307 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-21 06:48:53,307 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 06:48:53" (1/1) ... [2023-12-21 06:48:53,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-21 06:48:53,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 06:48:53,336 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 06:48:53,353 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 06:48:53,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-21 06:48:53,360 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-21 06:48:53,360 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-21 06:48:53,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-21 06:48:53,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-21 06:48:53,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-21 06:48:53,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-21 06:48:53,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-21 06:48:53,404 INFO L241 CfgBuilder]: Building ICFG [2023-12-21 06:48:53,406 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-21 06:48:53,500 INFO L282 CfgBuilder]: Performing block encoding [2023-12-21 06:48:53,516 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-21 06:48:53,516 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-21 06:48:53,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 06:48:53 BoogieIcfgContainer [2023-12-21 06:48:53,517 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-21 06:48:53,518 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-21 06:48:53,518 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-21 06:48:53,521 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-21 06:48:53,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 06:48:53" (1/3) ... [2023-12-21 06:48:53,521 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b0c241f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 06:48:53, skipping insertion in model container [2023-12-21 06:48:53,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 06:48:53" (2/3) ... [2023-12-21 06:48:53,522 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b0c241f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 06:48:53, skipping insertion in model container [2023-12-21 06:48:53,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 06:48:53" (3/3) ... [2023-12-21 06:48:53,523 INFO L112 eAbstractionObserver]: Analyzing ICFG geo1-ll_valuebound100.c [2023-12-21 06:48:53,536 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-21 06:48:53,536 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-21 06:48:53,568 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-21 06:48:53,573 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;@400c039d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-21 06:48:53,573 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-21 06:48:53,576 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 15 states have internal predecessors, (20), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-21 06:48:53,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-21 06:48:53,581 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 06:48:53,582 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 06:48:53,582 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 06:48:53,586 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 06:48:53,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1373888804, now seen corresponding path program 1 times [2023-12-21 06:48:53,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 06:48:53,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650786284] [2023-12-21 06:48:53,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 06:48:53,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 06:48:53,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 06:48:53,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 06:48:53,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650786284] [2023-12-21 06:48:53,675 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-12-21 06:48:53,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1093564283] [2023-12-21 06:48:53,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 06:48:53,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 06:48:53,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 06:48:53,678 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 06:48:53,694 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 06:48:53,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 06:48:53,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-21 06:48:53,743 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 06:48:53,761 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-12-21 06:48:53,761 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 06:48:53,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1093564283] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 06:48:53,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 06:48:53,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-21 06:48:53,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986029709] [2023-12-21 06:48:53,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 06:48:53,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-21 06:48:53,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 06:48:53,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-21 06:48:53,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-21 06:48:53,788 INFO L87 Difference]: Start difference. First operand has 24 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 15 states have internal predecessors, (20), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-21 06:48:53,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 06:48:53,806 INFO L93 Difference]: Finished difference Result 46 states and 67 transitions. [2023-12-21 06:48:53,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-21 06:48:53,809 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 28 [2023-12-21 06:48:53,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 06:48:53,832 INFO L225 Difference]: With dead ends: 46 [2023-12-21 06:48:53,832 INFO L226 Difference]: Without dead ends: 22 [2023-12-21 06:48:53,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 27 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 06:48:53,840 INFO L413 NwaCegarLoop]: 26 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, 26 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 06:48:53,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-12-21 06:48:53,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2023-12-21 06:48:53,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2023-12-21 06:48:53,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2023-12-21 06:48:53,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 26 transitions. [2023-12-21 06:48:53,874 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 26 transitions. Word has length 28 [2023-12-21 06:48:53,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 06:48:53,875 INFO L495 AbstractCegarLoop]: Abstraction has 22 states and 26 transitions. [2023-12-21 06:48:53,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-21 06:48:53,875 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 26 transitions. [2023-12-21 06:48:53,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-12-21 06:48:53,877 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 06:48:53,878 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 06:48:53,885 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-21 06:48:54,083 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 06:48:54,087 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 06:48:54,088 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 06:48:54,088 INFO L85 PathProgramCache]: Analyzing trace with hash -505565208, now seen corresponding path program 1 times [2023-12-21 06:48:54,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 06:48:54,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585064102] [2023-12-21 06:48:54,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 06:48:54,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 06:48:54,121 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 06:48:54,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1975522730] [2023-12-21 06:48:54,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 06:48:54,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 06:48:54,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 06:48:54,127 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 06:48:54,152 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 06:48:54,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 06:48:54,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 20 conjunts are in the unsatisfiable core [2023-12-21 06:48:54,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 06:48:54,351 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-21 06:48:54,352 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-21 06:48:54,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 06:48:54,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585064102] [2023-12-21 06:48:54,352 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 06:48:54,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975522730] [2023-12-21 06:48:54,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1975522730] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-21 06:48:54,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-21 06:48:54,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-21 06:48:54,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813074366] [2023-12-21 06:48:54,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-21 06:48:54,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-21 06:48:54,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 06:48:54,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-21 06:48:54,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2023-12-21 06:48:54,358 INFO L87 Difference]: Start difference. First operand 22 states and 26 transitions. Second operand has 8 states, 8 states have (on average 1.625) internal successors, (13), 6 states have internal predecessors, (13), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-21 06:48:54,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 06:48:54,465 INFO L93 Difference]: Finished difference Result 32 states and 37 transitions. [2023-12-21 06:48:54,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-21 06:48:54,465 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 6 states have internal predecessors, (13), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 28 [2023-12-21 06:48:54,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 06:48:54,466 INFO L225 Difference]: With dead ends: 32 [2023-12-21 06:48:54,467 INFO L226 Difference]: Without dead ends: 30 [2023-12-21 06:48:54,467 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2023-12-21 06:48:54,469 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 14 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 82 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-21 06:48:54,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 82 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-21 06:48:54,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2023-12-21 06:48:54,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 28. [2023-12-21 06:48:54,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 19 states have internal predecessors, (19), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-21 06:48:54,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 32 transitions. [2023-12-21 06:48:54,478 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 32 transitions. Word has length 28 [2023-12-21 06:48:54,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 06:48:54,480 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 32 transitions. [2023-12-21 06:48:54,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.625) internal successors, (13), 6 states have internal predecessors, (13), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-12-21 06:48:54,480 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2023-12-21 06:48:54,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-21 06:48:54,482 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 06:48:54,482 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 06:48:54,489 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-12-21 06:48:54,694 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 06:48:54,694 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 06:48:54,695 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 06:48:54,695 INFO L85 PathProgramCache]: Analyzing trace with hash 2051494664, now seen corresponding path program 1 times [2023-12-21 06:48:54,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 06:48:54,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881821790] [2023-12-21 06:48:54,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 06:48:54,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 06:48:54,706 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 06:48:54,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1350708380] [2023-12-21 06:48:54,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 06:48:54,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 06:48:54,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 06:48:54,708 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 06:48:54,735 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 06:48:54,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 06:48:54,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-21 06:48:54,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 06:48:58,947 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-21 06:48:58,948 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 06:49:03,152 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-21 06:49:03,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 06:49:03,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881821790] [2023-12-21 06:49:03,152 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 06:49:03,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350708380] [2023-12-21 06:49:03,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1350708380] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-21 06:49:03,153 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-21 06:49:03,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7] total 11 [2023-12-21 06:49:03,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841093552] [2023-12-21 06:49:03,153 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-21 06:49:03,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-12-21 06:49:03,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 06:49:03,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-12-21 06:49:03,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=83, Unknown=2, NotChecked=0, Total=110 [2023-12-21 06:49:03,154 INFO L87 Difference]: Start difference. First operand 28 states and 32 transitions. Second operand has 11 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 10 states have internal predecessors, (20), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2023-12-21 06:49:07,201 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 06:49:07,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 06:49:07,235 INFO L93 Difference]: Finished difference Result 34 states and 37 transitions. [2023-12-21 06:49:07,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-21 06:49:07,236 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 10 states have internal predecessors, (20), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 35 [2023-12-21 06:49:07,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 06:49:07,237 INFO L225 Difference]: With dead ends: 34 [2023-12-21 06:49:07,237 INFO L226 Difference]: Without dead ends: 26 [2023-12-21 06:49:07,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=40, Invalid=114, Unknown=2, NotChecked=0, Total=156 [2023-12-21 06:49:07,238 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 15 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 4 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-12-21 06:49:07,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 106 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 42 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2023-12-21 06:49:07,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2023-12-21 06:49:07,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2023-12-21 06:49:07,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 16 states have (on average 1.0625) internal successors, (17), 17 states have internal predecessors, (17), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2023-12-21 06:49:07,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 29 transitions. [2023-12-21 06:49:07,243 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 29 transitions. Word has length 35 [2023-12-21 06:49:07,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 06:49:07,243 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 29 transitions. [2023-12-21 06:49:07,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 10 states have internal predecessors, (20), 3 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2023-12-21 06:49:07,243 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2023-12-21 06:49:07,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-12-21 06:49:07,244 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 06:49:07,244 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 06:49:07,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-12-21 06:49:07,448 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 06:49:07,449 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 06:49:07,449 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 06:49:07,450 INFO L85 PathProgramCache]: Analyzing trace with hash 2099458174, now seen corresponding path program 1 times [2023-12-21 06:49:07,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 06:49:07,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41091551] [2023-12-21 06:49:07,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 06:49:07,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 06:49:07,460 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 06:49:07,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [722432495] [2023-12-21 06:49:07,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 06:49:07,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 06:49:07,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 06:49:07,465 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 06:49:07,467 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 06:49:07,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-21 06:49:07,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 29 conjunts are in the unsatisfiable core [2023-12-21 06:49:07,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 06:49:07,710 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-21 06:49:07,711 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 06:49:23,989 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_~z~0#1| (* |c_ULTIMATE.start_main_~y~0#1| 18446744073709551615 |c_ULTIMATE.start_main_~z~0#1|)) 18446744073709551616) 0) (not (= (mod (+ (* 18446744073709551615 |c_ULTIMATE.start_main_~x~0#1|) (* |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~y~0#1| 18446744073709551615) 1) 18446744073709551616) 0))) is different from true [2023-12-21 06:49:32,087 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 2 not checked. [2023-12-21 06:49:32,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 06:49:32,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41091551] [2023-12-21 06:49:32,087 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 06:49:32,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [722432495] [2023-12-21 06:49:32,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [722432495] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-21 06:49:32,087 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-12-21 06:49:32,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 17 [2023-12-21 06:49:32,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267421336] [2023-12-21 06:49:32,088 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-12-21 06:49:32,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-12-21 06:49:32,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-21 06:49:32,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-12-21 06:49:32,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=197, Unknown=2, NotChecked=28, Total=272 [2023-12-21 06:49:32,089 INFO L87 Difference]: Start difference. First operand 26 states and 29 transitions. Second operand has 17 states, 17 states have (on average 1.588235294117647) internal successors, (27), 14 states have internal predecessors, (27), 7 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2023-12-21 06:49:43,636 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 06:49:55,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-21 06:49:59,717 WARN L539 Checker$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 06:50:03,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2023-12-21 06:50:07,729 WARN L539 Checker$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 06:50:11,756 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 06:50:11,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-21 06:50:11,763 INFO L93 Difference]: Finished difference Result 41 states and 46 transitions. [2023-12-21 06:50:11,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-21 06:50:11,763 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 1.588235294117647) internal successors, (27), 14 states have internal predecessors, (27), 7 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 35 [2023-12-21 06:50:11,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-21 06:50:11,764 INFO L225 Difference]: With dead ends: 41 [2023-12-21 06:50:11,764 INFO L226 Difference]: Without dead ends: 39 [2023-12-21 06:50:11,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 53 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 23.7s TimeCoverageRelationStatistics Valid=80, Invalid=340, Unknown=4, NotChecked=38, Total=462 [2023-12-21 06:50:11,765 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 26 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 14 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 39 IncrementalHoareTripleChecker+Unchecked, 24.2s IncrementalHoareTripleChecker+Time [2023-12-21 06:50:11,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 98 Invalid, 175 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 116 Invalid, 6 Unknown, 39 Unchecked, 24.2s Time] [2023-12-21 06:50:11,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2023-12-21 06:50:11,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2023-12-21 06:50:11,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 25 states have (on average 1.04) internal successors, (26), 26 states have internal predecessors, (26), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) [2023-12-21 06:50:11,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2023-12-21 06:50:11,772 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 35 [2023-12-21 06:50:11,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-21 06:50:11,772 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions. [2023-12-21 06:50:11,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 1.588235294117647) internal successors, (27), 14 states have internal predecessors, (27), 7 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2023-12-21 06:50:11,772 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2023-12-21 06:50:11,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-12-21 06:50:11,773 INFO L187 NwaCegarLoop]: Found error trace [2023-12-21 06:50:11,773 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-21 06:50:11,781 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 06:50:11,974 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 06:50:11,974 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-21 06:50:11,975 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-21 06:50:11,975 INFO L85 PathProgramCache]: Analyzing trace with hash -1436969368, now seen corresponding path program 2 times [2023-12-21 06:50:11,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-21 06:50:11,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1492337835] [2023-12-21 06:50:11,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-21 06:50:11,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-21 06:50:11,986 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-21 06:50:11,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [330965775] [2023-12-21 06:50:11,987 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-12-21 06:50:11,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 06:50:11,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-21 06:50:11,993 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 06:50:11,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-21 06:50:15,231 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-12-21 06:50:15,232 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-12-21 06:50:15,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 56 conjunts are in the unsatisfiable core [2023-12-21 06:50:15,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-21 06:50:16,008 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 7 proven. 39 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-12-21 06:50:16,008 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-21 06:50:32,203 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_~z~0#1| (* |c_ULTIMATE.start_main_~y~0#1| 18446744073709551615 |c_ULTIMATE.start_main_~z~0#1|)) 18446744073709551616) 0) (not (= (mod (+ (* 18446744073709551615 |c_ULTIMATE.start_main_~x~0#1|) (* |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~y~0#1| 18446744073709551615) 1) 18446744073709551616) 0))) is different from true [2023-12-21 06:50:52,611 WARN L876 $PredicateComparison]: unable to prove that (or (= (mod (+ (* 18446744073709551615 |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~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_~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_~z~0#1| (* |c_ULTIMATE.start_main_~y~0#1| 18446744073709551615 |c_ULTIMATE.start_main_~z~0#1|)) 18446744073709551616) 0))) is different from true [2023-12-21 06:51:00,643 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 06:51:08,656 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 06:51:16,686 WARN L876 $PredicateComparison]: unable to prove that (or (not (= (mod (+ (* 18446744073709551615 |c_ULTIMATE.start_main_~x~0#1|) (* |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~y~0#1| 18446744073709551615) 1) 18446744073709551616) 0)) (= (mod (+ (* 18446744073709551615 |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~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_~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_~z~0#1| (* |c_ULTIMATE.start_main_~y~0#1| 18446744073709551615 |c_ULTIMATE.start_main_~z~0#1|)) 18446744073709551616) 0))) is different from true [2023-12-21 06:51:33,130 WARN L293 SmtUtils]: Spent 8.29s 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 06:51:45,205 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 06:51:53,552 WARN L293 SmtUtils]: Spent 8.35s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 06:52:01,568 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 06:52:07,595 WARN L293 SmtUtils]: Spent 6.03s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 06:52:11,608 WARN L876 $PredicateComparison]: unable to prove that (or (forall ((|v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_13| Int) (v_z_1 Int) (|v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_21| Int)) (let ((.cse0 (+ v_z_1 (mod (+ (* 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_13|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_21| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_13|) 1) 18446744073709551616)))) (or (< v_z_1 0) (not (= (mod (+ |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_21| (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_21| 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_13|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_21| v_z_1) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_21| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_21| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_13|)) 18446744073709551616) 0)) (< 18446744073709551615 v_z_1) (= 18446744073709551616 .cse0) (= .cse0 0) (= (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_21| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_21| 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_13|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_21| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_21|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_21| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_21| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_21| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_13|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_21| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_21| v_z_1)) 18446744073709551616) 0)))) (not (= |c___VERIFIER_assert_#in~cond| 0))) is different from true [2023-12-21 06:52:23,672 WARN L293 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 06:52:35,688 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 06:52:43,700 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 06:52:51,706 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 06:53:09,889 WARN L293 SmtUtils]: Spent 9.11s 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 06:53:21,907 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 06:53:29,918 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 06:53:37,934 WARN L293 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 06:53:46,240 WARN L876 $PredicateComparison]: unable to prove that (or (forall ((|v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_13| Int) (v_z_1 Int) (|v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_21| Int)) (let ((.cse0 (+ v_z_1 (mod (+ (* 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_13|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_21| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_13|) 1) 18446744073709551616)))) (or (< v_z_1 0) (not (= (mod (+ |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_21| (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_21| 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_13|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_21| v_z_1) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_21| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_21| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_13|)) 18446744073709551616) 0)) (< 18446744073709551615 v_z_1) (= 18446744073709551616 .cse0) (= .cse0 0) (= (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_21| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_21| 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_13|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_21| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_21|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_21| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_21| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_21| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_13|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_21| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_21| v_z_1)) 18446744073709551616) 0)))) (not (= |c___VERIFIER_assert_#in~cond| 0)) (= c___VERIFIER_assert_~cond 0)) is different from true [2023-12-21 06:53:54,258 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 06:54:02,265 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 06:54:14,285 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 06:54:33,773 WARN L293 SmtUtils]: Spent 19.49s 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 06:54:41,794 WARN L876 $PredicateComparison]: unable to prove that (or (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_~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_~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_~z~0#1| (* |c_ULTIMATE.start_main_~y~0#1| 18446744073709551615 |c_ULTIMATE.start_main_~z~0#1|)) 18446744073709551616) 0)) (= (mod (+ (* |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_~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_~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|)) 18446744073709551616) 0)) is different from true [2023-12-21 06:54:49,822 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 06:54:57,834 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 06:55:05,846 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 06:55:13,866 WARN L876 $PredicateComparison]: unable to prove that (or (not (= (mod (+ (* 18446744073709551615 |c_ULTIMATE.start_main_~x~0#1|) (* |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~y~0#1| 18446744073709551615) 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_~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_~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_~z~0#1| (* |c_ULTIMATE.start_main_~y~0#1| 18446744073709551615 |c_ULTIMATE.start_main_~z~0#1|)) 18446744073709551616) 0)) (= (mod (+ (* |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_~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_~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|)) 18446744073709551616) 0)) is different from true [2023-12-21 06:55:33,077 WARN L293 SmtUtils]: Spent 11.18s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 06:55:41,089 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 06:55:49,097 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 06:55:54,386 WARN L293 SmtUtils]: Spent 5.29s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 06:56:02,396 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 06:56:10,404 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 06:56:18,412 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 06:56:22,423 WARN L876 $PredicateComparison]: unable to prove that (or (not (= |c___VERIFIER_assert_#in~cond| 0)) (forall ((|v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_14| Int) (v_z_2 Int) (|v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| Int)) (let ((.cse0 (+ (mod (+ (* 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_14|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_14|) 1) 18446744073709551616) v_z_2))) (or (= .cse0 0) (not (= (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_14|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_14|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| v_z_2) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22|)) 18446744073709551616) 0)) (< 18446744073709551615 v_z_2) (= (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_14|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_14|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| v_z_2)) 18446744073709551616) 0) (not (= (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_14|) |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| v_z_2) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_14|)) 18446744073709551616) 0)) (< v_z_2 0) (= .cse0 18446744073709551616))))) is different from true [2023-12-21 06:56:34,461 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 06:56:42,468 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 06:56:50,481 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 06:57:21,859 WARN L293 SmtUtils]: Spent 27.34s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 06:57:29,868 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 06:57:37,877 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 06:57:49,929 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 06:57:57,939 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 06:58:05,946 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 06:58:11,734 WARN L293 SmtUtils]: Spent 5.79s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 06:58:19,752 WARN L293 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 06:58:27,996 WARN L293 SmtUtils]: Spent 8.24s 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 06:58:36,007 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 06:58:40,023 WARN L876 $PredicateComparison]: unable to prove that (or (not (= |c___VERIFIER_assert_#in~cond| 0)) (forall ((|v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_14| Int) (v_z_2 Int) (|v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| Int)) (let ((.cse0 (+ (mod (+ (* 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_14|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_14|) 1) 18446744073709551616) v_z_2))) (or (= .cse0 0) (not (= (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_14|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_14|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| v_z_2) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22|)) 18446744073709551616) 0)) (< 18446744073709551615 v_z_2) (= (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_14|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_14|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| v_z_2)) 18446744073709551616) 0) (not (= (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_14|) |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| v_z_2) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_22| 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_14|)) 18446744073709551616) 0)) (< v_z_2 0) (= .cse0 18446744073709551616)))) (= c___VERIFIER_assert_~cond 0)) is different from true [2023-12-21 06:58:48,042 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 06:58:56,053 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 06:59:04,061 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 06:59:16,089 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 06:59:24,107 WARN L293 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 06:59:36,123 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 06:59:40,131 WARN L876 $PredicateComparison]: unable to prove that (or (= 0 (mod (+ (* 18446744073709551615 |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~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_~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|)) 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_~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_~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 (+ (* |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_~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_~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|)) 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_~z~0#1| (* |c_ULTIMATE.start_main_~y~0#1| 18446744073709551615 |c_ULTIMATE.start_main_~z~0#1|)) 18446744073709551616) 0))) is different from true [2023-12-21 06:59:48,184 WARN L293 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 06:59:56,192 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:00:04,201 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:00:16,232 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:00:20,239 WARN L876 $PredicateComparison]: unable to prove that (or (not (= (mod (+ (* 18446744073709551615 |c_ULTIMATE.start_main_~x~0#1|) (* |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1|) (* |c_ULTIMATE.start_main_~y~0#1| 18446744073709551615) 1) 18446744073709551616) 0)) (= 0 (mod (+ (* 18446744073709551615 |c_ULTIMATE.start_main_~x~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~z~0#1| |c_ULTIMATE.start_main_~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_~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|)) 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_~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_~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 (+ (* |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_~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_~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|)) 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_~z~0#1| (* |c_ULTIMATE.start_main_~y~0#1| 18446744073709551615 |c_ULTIMATE.start_main_~z~0#1|)) 18446744073709551616) 0))) is different from true [2023-12-21 07:00:36,303 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:00:44,314 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:00:52,323 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:01:00,332 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:01:08,344 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:01:21,060 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 13 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:01:29,069 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:01:33,079 WARN L876 $PredicateComparison]: unable to prove that (or (not (= |c___VERIFIER_assert_#in~cond| 0)) (forall ((v_z_3 Int) (|v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_15| Int) (|v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_23| Int)) (let ((.cse0 (+ (mod (+ (* 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_15|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_23| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_15|) 1) 18446744073709551616) v_z_3))) (or (< v_z_3 0) (not (= (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_23| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_23| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_23|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_23| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_23| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_23| v_z_3) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_23| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_23| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_23| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_23| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_15|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_23| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_23| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_23| 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_15|)) 18446744073709551616) 0)) (not (= (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_23| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_23|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_23| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_23| 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_15|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_23| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_23| v_z_3) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_23| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_23| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_23| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_15|)) 18446744073709551616) 0)) (= .cse0 0) (< 18446744073709551615 v_z_3) (= (mod (+ (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_23| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_23| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_23| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_23|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_23| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_23| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_23| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_23| v_z_3) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_23| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_23| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_23| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_23| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_23| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_15|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_23| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_23| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_23| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_23| 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_15|)) 18446744073709551616) 0) (not (= (mod (+ |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_23| (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_23| 18446744073709551615 |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_15|) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_23| v_z_3) (* |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_23| |v_ULTIMATE.start_main_~z~0#1_BEFORE_CALL_23| |v_ULTIMATE.start_main_~x~0#1_BEFORE_CALL_15|)) 18446744073709551616) 0)) (= 18446744073709551616 .cse0))))) is different from true [2023-12-21 07:01:45,149 WARN L293 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:01:53,228 WARN L293 SmtUtils]: Spent 8.08s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-21 07:02:01,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-21 07:02:01,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1492337835] [2023-12-21 07:02:01,091 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-12-21 07:02:01,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [330965775] [2023-12-21 07:02:01,091 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2023-12-21 07:02:01,094 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 139 [2023-12-21 07:02:01,098 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-12-21 07:02:01,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-21 07:02:01,292 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. No stderr output. at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.checkRedundancy(SimplifyDDA2.java:286) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convertForPreprocessedInputTerms(SimplifyDDA2.java:410) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:394) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:500) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:252) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:324) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:731) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:140) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.pushInner(QuantifierPusher.java:275) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:194) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:341) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:184) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:110) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:416) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:303) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:176) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 65 more [2023-12-21 07:02:01,295 INFO L158 Benchmark]: Toolchain (without parser) took 788201.00ms. Allocated memory is still 285.2MB. Free memory was 231.9MB in the beginning and 157.0MB in the end (delta: 74.8MB). Peak memory consumption was 76.0MB. Max. memory is 8.0GB. [2023-12-21 07:02:01,296 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 198.2MB. Free memory is still 148.0MB. There was no memory consumed. Max. memory is 8.0GB. [2023-12-21 07:02:01,296 INFO L158 Benchmark]: CACSL2BoogieTranslator took 157.71ms. Allocated memory is still 285.2MB. Free memory was 231.9MB in the beginning and 220.8MB in the end (delta: 11.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-12-21 07:02:01,296 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.15ms. Allocated memory is still 285.2MB. Free memory was 220.8MB in the beginning and 219.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-12-21 07:02:01,296 INFO L158 Benchmark]: Boogie Preprocessor took 22.22ms. Allocated memory is still 285.2MB. Free memory was 219.3MB in the beginning and 217.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-12-21 07:02:01,296 INFO L158 Benchmark]: RCFGBuilder took 210.16ms. Allocated memory is still 285.2MB. Free memory was 217.6MB in the beginning and 206.7MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-12-21 07:02:01,297 INFO L158 Benchmark]: TraceAbstraction took 787776.95ms. Allocated memory is still 285.2MB. Free memory was 206.1MB in the beginning and 157.0MB in the end (delta: 49.1MB). Peak memory consumption was 49.8MB. Max. memory is 8.0GB. [2023-12-21 07:02:01,297 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 198.2MB. Free memory is still 148.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 157.71ms. Allocated memory is still 285.2MB. Free memory was 231.9MB in the beginning and 220.8MB in the end (delta: 11.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 29.15ms. Allocated memory is still 285.2MB. Free memory was 220.8MB in the beginning and 219.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.22ms. Allocated memory is still 285.2MB. Free memory was 219.3MB in the beginning and 217.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 210.16ms. Allocated memory is still 285.2MB. Free memory was 217.6MB in the beginning and 206.7MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 787776.95ms. Allocated memory is still 285.2MB. Free memory was 206.1MB in the beginning and 157.0MB in the end (delta: 49.1MB). Peak memory consumption was 49.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. No stderr output. de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. No stderr output.: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...