./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound50.c --full-output --procedureinliner.inline.calls.to.implemented.procedures NEVER --traceabstraction.positions.where.we.compute.the.hoare.annotation All --witnessprinter.yaml.format.version 2.1 --witnessprinter.generate.graphml.witnesses false --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f1d7dc9d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/automizer/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/automizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/automizer/data -tc /storage/repos/certificate-witnesses-artifact/automizer/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound50.c -s /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/certificate-witnesses-artifact/automizer --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 64ec747f16f85f34120a83cb220678bef4299bbd9b6be63566dcb373d7bbd3fe --procedureinliner.inline.calls.to.implemented.procedures NEVER --traceabstraction.positions.where.we.compute.the.hoare.annotation All --witnessprinter.yaml.format.version 2.1 --witnessprinter.generate.graphml.witnesses false --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-f1d7dc9-m [2024-09-20 12:43:59,532 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 12:43:59,606 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-09-20 12:43:59,611 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 12:43:59,611 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 12:43:59,629 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 12:43:59,629 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 12:43:59,630 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 12:43:59,630 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 12:43:59,631 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 12:43:59,631 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 12:43:59,631 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 12:43:59,632 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 12:43:59,632 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 12:43:59,633 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 12:43:59,633 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 12:43:59,633 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 12:43:59,634 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 12:43:59,634 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 12:43:59,634 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 12:43:59,635 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 12:43:59,635 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 12:43:59,635 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 12:43:59,636 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 12:43:59,636 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 12:43:59,636 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 12:43:59,636 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 12:43:59,637 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 12:43:59,637 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 12:43:59,637 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 12:43:59,638 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 12:43:59,638 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 12:43:59,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 12:43:59,639 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 12:43:59,639 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 12:43:59,639 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 12:43:59,639 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 12:43:59,640 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 12:43:59,640 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 12:43:59,640 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 12:43:59,640 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 12:43:59,641 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 12:43:59,641 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/certificate-witnesses-artifact/automizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/certificate-witnesses-artifact/automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64ec747f16f85f34120a83cb220678bef4299bbd9b6be63566dcb373d7bbd3fe Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: YAML Format version -> 2.1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Generate GraphML witnesses -> false [2024-09-20 12:43:59,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 12:43:59,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 12:43:59,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 12:43:59,883 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 12:43:59,883 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 12:43:59,884 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound50.c [2024-09-20 12:44:01,310 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 12:44:01,499 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 12:44:01,500 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound50.c [2024-09-20 12:44:01,506 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/39eb8fcaa/61f0a3a12ea44f4caa1df884e730a292/FLAG6e3005588 [2024-09-20 12:44:01,517 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/39eb8fcaa/61f0a3a12ea44f4caa1df884e730a292 [2024-09-20 12:44:01,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 12:44:01,521 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-09-20 12:44:01,522 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 12:44:01,523 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 12:44:01,528 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 12:44:01,528 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 12:44:01" (1/1) ... [2024-09-20 12:44:01,529 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f0c523c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:44:01, skipping insertion in model container [2024-09-20 12:44:01,529 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 12:44:01" (1/1) ... [2024-09-20 12:44:01,546 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 12:44:01,699 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound50.c[525,538] [2024-09-20 12:44:01,715 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 12:44:01,723 INFO L200 MainTranslator]: Completed pre-run [2024-09-20 12:44:01,735 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound50.c[525,538] [2024-09-20 12:44:01,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 12:44:01,754 INFO L204 MainTranslator]: Completed translation [2024-09-20 12:44:01,755 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:44:01 WrapperNode [2024-09-20 12:44:01,755 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 12:44:01,756 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-20 12:44:01,756 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-20 12:44:01,756 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-20 12:44:01,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:44:01" (1/1) ... [2024-09-20 12:44:01,769 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:44:01" (1/1) ... [2024-09-20 12:44:01,775 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-09-20 12:44:01,775 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-20 12:44:01,776 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 12:44:01,776 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 12:44:01,776 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 12:44:01,785 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:44:01" (1/1) ... [2024-09-20 12:44:01,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:44:01" (1/1) ... [2024-09-20 12:44:01,789 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:44:01" (1/1) ... [2024-09-20 12:44:01,806 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]. [2024-09-20 12:44:01,809 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:44:01" (1/1) ... [2024-09-20 12:44:01,809 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:44:01" (1/1) ... [2024-09-20 12:44:01,812 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:44:01" (1/1) ... [2024-09-20 12:44:01,818 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:44:01" (1/1) ... [2024-09-20 12:44:01,822 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:44:01" (1/1) ... [2024-09-20 12:44:01,822 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:44:01" (1/1) ... [2024-09-20 12:44:01,825 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 12:44:01,826 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 12:44:01,826 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 12:44:01,826 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 12:44:01,827 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:44:01" (1/1) ... [2024-09-20 12:44:01,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 12:44:01,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-20 12:44:01,854 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-20 12:44:01,856 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-20 12:44:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 12:44:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 12:44:01,895 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 12:44:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-20 12:44:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 12:44:01,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 12:44:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 12:44:01,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 12:44:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 12:44:01,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 12:44:01,948 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 12:44:01,950 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 12:44:02,088 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-09-20 12:44:02,089 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 12:44:02,105 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 12:44:02,105 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 12:44:02,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 12:44:02 BoogieIcfgContainer [2024-09-20 12:44:02,106 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 12:44:02,108 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-20 12:44:02,108 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-20 12:44:02,111 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-20 12:44:02,111 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 12:44:01" (1/3) ... [2024-09-20 12:44:02,112 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@507a0ac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 12:44:02, skipping insertion in model container [2024-09-20 12:44:02,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:44:01" (2/3) ... [2024-09-20 12:44:02,114 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@507a0ac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 12:44:02, skipping insertion in model container [2024-09-20 12:44:02,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 12:44:02" (3/3) ... [2024-09-20 12:44:02,116 INFO L112 eAbstractionObserver]: Analyzing ICFG geo3-ll_unwindbound50.c [2024-09-20 12:44:02,130 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-20 12:44:02,131 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-09-20 12:44:02,188 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-09-20 12:44:02,193 INFO L336 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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;@72400f10, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-20 12:44:02,193 INFO L337 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-09-20 12:44:02,196 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 12 states have internal predecessors, (16), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-09-20 12:44:02,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-09-20 12:44:02,203 INFO L208 NwaCegarLoop]: Found error trace [2024-09-20 12:44:02,203 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-20 12:44:02,204 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-20 12:44:02,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 12:44:02,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1030420147, now seen corresponding path program 1 times [2024-09-20 12:44:02,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-20 12:44:02,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132824303] [2024-09-20 12:44:02,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 12:44:02,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-20 12:44:02,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 12:44:02,370 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-20 12:44:02,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 12:44:02,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-20 12:44:02,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-20 12:44:02,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132824303] [2024-09-20 12:44:02,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132824303] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-20 12:44:02,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-20 12:44:02,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-20 12:44:02,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438857123] [2024-09-20 12:44:02,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-20 12:44:02,392 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-20 12:44:02,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-20 12:44:02,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-20 12:44:02,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-20 12:44:02,413 INFO L87 Difference]: Start difference. First operand has 20 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 12 states have internal predecessors, (16), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-20 12:44:02,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-20 12:44:02,476 INFO L93 Difference]: Finished difference Result 36 states and 47 transitions. [2024-09-20 12:44:02,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-20 12:44:02,478 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2024-09-20 12:44:02,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-20 12:44:02,484 INFO L225 Difference]: With dead ends: 36 [2024-09-20 12:44:02,484 INFO L226 Difference]: Without dead ends: 17 [2024-09-20 12:44:02,486 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-20 12:44:02,489 INFO L434 NwaCegarLoop]: 14 mSDtfsCounter, 6 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-20 12:44:02,490 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 21 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-20 12:44:02,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2024-09-20 12:44:02,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2024-09-20 12:44:02,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 10 states have internal predecessors, (12), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-09-20 12:44:02,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2024-09-20 12:44:02,519 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 10 [2024-09-20 12:44:02,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-20 12:44:02,519 INFO L474 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2024-09-20 12:44:02,519 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-20 12:44:02,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 12:44:02,520 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-09-20 12:44:02,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-09-20 12:44:02,520 INFO L208 NwaCegarLoop]: Found error trace [2024-09-20 12:44:02,521 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-20 12:44:02,521 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-20 12:44:02,521 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-20 12:44:02,522 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 12:44:02,522 INFO L85 PathProgramCache]: Analyzing trace with hash 2015485711, now seen corresponding path program 1 times [2024-09-20 12:44:02,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-20 12:44:02,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441198358] [2024-09-20 12:44:02,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 12:44:02,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-20 12:44:02,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 12:44:02,746 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-20 12:44:02,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 12:44:02,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-20 12:44:02,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-20 12:44:02,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441198358] [2024-09-20 12:44:02,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441198358] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-20 12:44:02,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-20 12:44:02,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-20 12:44:02,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343338488] [2024-09-20 12:44:02,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-20 12:44:02,760 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-20 12:44:02,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-20 12:44:02,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-20 12:44:02,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-20 12:44:02,762 INFO L87 Difference]: Start difference. First operand 16 states and 18 transitions. Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-20 12:44:02,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-20 12:44:02,836 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2024-09-20 12:44:02,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-20 12:44:02,836 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-09-20 12:44:02,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-20 12:44:02,837 INFO L225 Difference]: With dead ends: 25 [2024-09-20 12:44:02,837 INFO L226 Difference]: Without dead ends: 18 [2024-09-20 12:44:02,837 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-09-20 12:44:02,839 INFO L434 NwaCegarLoop]: 10 mSDtfsCounter, 6 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-20 12:44:02,839 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 27 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-20 12:44:02,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2024-09-20 12:44:02,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-09-20 12:44:02,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 12 states have internal predecessors, (14), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-09-20 12:44:02,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2024-09-20 12:44:02,849 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 11 [2024-09-20 12:44:02,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-20 12:44:02,850 INFO L474 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2024-09-20 12:44:02,850 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 3 states have internal predecessors, (7), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-20 12:44:02,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 12:44:02,851 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2024-09-20 12:44:02,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-09-20 12:44:02,851 INFO L208 NwaCegarLoop]: Found error trace [2024-09-20 12:44:02,851 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-20 12:44:02,851 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-20 12:44:02,852 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-20 12:44:02,852 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 12:44:02,852 INFO L85 PathProgramCache]: Analyzing trace with hash 2017273171, now seen corresponding path program 1 times [2024-09-20 12:44:02,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-20 12:44:02,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717876525] [2024-09-20 12:44:02,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 12:44:02,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-20 12:44:02,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-09-20 12:44:02,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1219428372] [2024-09-20 12:44:02,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 12:44:02,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-20 12:44:02,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-20 12:44:02,883 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-20 12:44:02,885 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-09-20 12:44:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 12:44:02,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-09-20 12:44:02,953 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-20 12:44:03,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-20 12:44:03,045 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-20 12:44:03,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-20 12:44:03,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717876525] [2024-09-20 12:44:03,046 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-09-20 12:44:03,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1219428372] [2024-09-20 12:44:03,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1219428372] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-20 12:44:03,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-20 12:44:03,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-20 12:44:03,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743431695] [2024-09-20 12:44:03,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-20 12:44:03,047 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-20 12:44:03,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-20 12:44:03,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-20 12:44:03,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-20 12:44:03,048 INFO L87 Difference]: Start difference. First operand 18 states and 20 transitions. Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 4 states have internal predecessors, (7), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-20 12:44:03,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-20 12:44:03,123 INFO L93 Difference]: Finished difference Result 27 states and 30 transitions. [2024-09-20 12:44:03,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-20 12:44:03,124 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.4) internal successors, (7), 4 states have internal predecessors, (7), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-09-20 12:44:03,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-20 12:44:03,125 INFO L225 Difference]: With dead ends: 27 [2024-09-20 12:44:03,125 INFO L226 Difference]: Without dead ends: 24 [2024-09-20 12:44:03,126 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-09-20 12:44:03,128 INFO L434 NwaCegarLoop]: 13 mSDtfsCounter, 4 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-20 12:44:03,129 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 50 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-20 12:44:03,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2024-09-20 12:44:03,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2024-09-20 12:44:03,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 15 states have (on average 1.2) internal successors, (18), 16 states have internal predecessors, (18), 5 states have call successors, (5), 4 states have call predecessors, (5), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-09-20 12:44:03,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions. [2024-09-20 12:44:03,140 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 11 [2024-09-20 12:44:03,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-20 12:44:03,140 INFO L474 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions. [2024-09-20 12:44:03,140 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.4) internal successors, (7), 4 states have internal predecessors, (7), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-20 12:44:03,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 12:44:03,141 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2024-09-20 12:44:03,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-09-20 12:44:03,142 INFO L208 NwaCegarLoop]: Found error trace [2024-09-20 12:44:03,142 INFO L216 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-20 12:44:03,157 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-09-20 12:44:03,342 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-20 12:44:03,343 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-20 12:44:03,343 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 12:44:03,343 INFO L85 PathProgramCache]: Analyzing trace with hash -810508528, now seen corresponding path program 1 times [2024-09-20 12:44:03,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-20 12:44:03,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352138483] [2024-09-20 12:44:03,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 12:44:03,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-20 12:44:03,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 12:44:03,494 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-20 12:44:03,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 12:44:03,507 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-20 12:44:03,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 12:44:03,517 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-20 12:44:03,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-20 12:44:03,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352138483] [2024-09-20 12:44:03,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352138483] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-20 12:44:03,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1738684362] [2024-09-20 12:44:03,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 12:44:03,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-20 12:44:03,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-20 12:44:03,526 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-20 12:44:03,530 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-20 12:44:03,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 12:44:03,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-09-20 12:44:03,586 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-20 12:44:03,624 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-20 12:44:03,625 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-20 12:44:03,681 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-20 12:44:03,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1738684362] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-20 12:44:03,681 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-20 12:44:03,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2024-09-20 12:44:03,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618866844] [2024-09-20 12:44:03,682 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-20 12:44:03,682 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-09-20 12:44:03,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-20 12:44:03,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-09-20 12:44:03,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-09-20 12:44:03,684 INFO L87 Difference]: Start difference. First operand 24 states and 26 transitions. Second operand has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 10 states have internal predecessors, (27), 7 states have call successors, (9), 7 states have call predecessors, (9), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2024-09-20 12:44:03,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-20 12:44:03,852 INFO L93 Difference]: Finished difference Result 55 states and 61 transitions. [2024-09-20 12:44:03,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-20 12:44:03,853 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 10 states have internal predecessors, (27), 7 states have call successors, (9), 7 states have call predecessors, (9), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 19 [2024-09-20 12:44:03,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-20 12:44:03,854 INFO L225 Difference]: With dead ends: 55 [2024-09-20 12:44:03,855 INFO L226 Difference]: Without dead ends: 48 [2024-09-20 12:44:03,855 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2024-09-20 12:44:03,857 INFO L434 NwaCegarLoop]: 9 mSDtfsCounter, 37 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-20 12:44:03,859 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 43 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-20 12:44:03,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-09-20 12:44:03,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 44. [2024-09-20 12:44:03,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 29 states have (on average 1.2413793103448276) internal successors, (36), 32 states have internal predecessors, (36), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-09-20 12:44:03,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 50 transitions. [2024-09-20 12:44:03,875 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 50 transitions. Word has length 19 [2024-09-20 12:44:03,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-20 12:44:03,876 INFO L474 AbstractCegarLoop]: Abstraction has 44 states and 50 transitions. [2024-09-20 12:44:03,876 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 10 states have internal predecessors, (27), 7 states have call successors, (9), 7 states have call predecessors, (9), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2024-09-20 12:44:03,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 12:44:03,877 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 50 transitions. [2024-09-20 12:44:03,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-09-20 12:44:03,877 INFO L208 NwaCegarLoop]: Found error trace [2024-09-20 12:44:03,878 INFO L216 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-20 12:44:03,891 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-09-20 12:44:04,081 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-20 12:44:04,082 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-20 12:44:04,082 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 12:44:04,083 INFO L85 PathProgramCache]: Analyzing trace with hash -808721068, now seen corresponding path program 1 times [2024-09-20 12:44:04,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-20 12:44:04,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821276552] [2024-09-20 12:44:04,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 12:44:04,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-20 12:44:04,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-09-20 12:44:04,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1012733122] [2024-09-20 12:44:04,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 12:44:04,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-20 12:44:04,109 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-20 12:44:04,113 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-20 12:44:04,114 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-20 12:44:04,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 12:44:04,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-09-20 12:44:04,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-20 12:44:04,425 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-20 12:44:04,427 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-20 12:44:20,996 WARN L876 $PredicateComparison]: unable to prove that (or (= (mod (+ (* c_main_~x~0 c_main_~z~0 c_main_~z~0) (* c_main_~a~0 c_main_~z~0) (* 18446744073709551615 c_main_~x~0 c_main_~z~0) (* 18446744073709551615 c_main_~y~0 c_main_~az~0 c_main_~z~0)) 18446744073709551616) 0) (not (= (mod (+ (* c_main_~x~0 c_main_~z~0) (* 18446744073709551615 c_main_~y~0 c_main_~az~0) (* 18446744073709551615 c_main_~x~0) c_main_~a~0) 18446744073709551616) 0))) is different from true [2024-09-20 12:44:37,613 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 3 not checked. [2024-09-20 12:44:37,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-20 12:44:37,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821276552] [2024-09-20 12:44:37,614 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-09-20 12:44:37,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012733122] [2024-09-20 12:44:37,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1012733122] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-20 12:44:37,614 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-20 12:44:37,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 12 [2024-09-20 12:44:37,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90746113] [2024-09-20 12:44:37,615 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-20 12:44:37,615 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-20 12:44:37,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-20 12:44:37,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-20 12:44:37,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=83, Unknown=2, NotChecked=18, Total=132 [2024-09-20 12:44:37,617 INFO L87 Difference]: Start difference. First operand 44 states and 50 transitions. Second operand has 12 states, 12 states have (on average 1.75) internal successors, (21), 10 states have internal predecessors, (21), 5 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-09-20 12:44:46,157 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 [] [2024-09-20 12:44:50,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-09-20 12:44:54,196 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-09-20 12:44:58,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-09-20 12:45:02,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-09-20 12:45:06,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-09-20 12:45:10,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-09-20 12:45:14,288 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 [] [2024-09-20 12:45:14,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-20 12:45:14,289 INFO L93 Difference]: Finished difference Result 52 states and 58 transitions. [2024-09-20 12:45:14,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-20 12:45:14,293 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.75) internal successors, (21), 10 states have internal predecessors, (21), 5 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 19 [2024-09-20 12:45:14,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-20 12:45:14,295 INFO L225 Difference]: With dead ends: 52 [2024-09-20 12:45:14,295 INFO L226 Difference]: Without dead ends: 47 [2024-09-20 12:45:14,296 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 25 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 12.6s TimeCoverageRelationStatistics Valid=42, Invalid=116, Unknown=2, NotChecked=22, Total=182 [2024-09-20 12:45:14,296 INFO L434 NwaCegarLoop]: 15 mSDtfsCounter, 11 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 9 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 42 IncrementalHoareTripleChecker+Unchecked, 32.5s IncrementalHoareTripleChecker+Time [2024-09-20 12:45:14,297 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 104 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 67 Invalid, 8 Unknown, 42 Unchecked, 32.5s Time] [2024-09-20 12:45:14,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-09-20 12:45:14,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-09-20 12:45:14,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 32 states have (on average 1.0625) internal successors, (34), 34 states have internal predecessors, (34), 8 states have call successors, (8), 7 states have call predecessors, (8), 6 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6) [2024-09-20 12:45:14,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 48 transitions. [2024-09-20 12:45:14,317 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 48 transitions. Word has length 19 [2024-09-20 12:45:14,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-20 12:45:14,317 INFO L474 AbstractCegarLoop]: Abstraction has 47 states and 48 transitions. [2024-09-20 12:45:14,317 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.75) internal successors, (21), 10 states have internal predecessors, (21), 5 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-09-20 12:45:14,317 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 12:45:14,317 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2024-09-20 12:45:14,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-09-20 12:45:14,318 INFO L208 NwaCegarLoop]: Found error trace [2024-09-20 12:45:14,319 INFO L216 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-20 12:45:14,326 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-09-20 12:45:14,519 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-20 12:45:14,519 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-20 12:45:14,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 12:45:14,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1627686637, now seen corresponding path program 2 times [2024-09-20 12:45:14,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-20 12:45:14,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908431847] [2024-09-20 12:45:14,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 12:45:14,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-20 12:45:14,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 12:45:14,790 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-20 12:45:14,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 12:45:14,800 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-20 12:45:14,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 12:45:14,807 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-20 12:45:14,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 12:45:14,813 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-20 12:45:14,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 12:45:14,819 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-09-20 12:45:14,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-20 12:45:14,824 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-09-20 12:45:14,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-20 12:45:14,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908431847] [2024-09-20 12:45:14,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908431847] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-20 12:45:14,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [439862628] [2024-09-20 12:45:14,825 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-20 12:45:14,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-20 12:45:14,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-20 12:45:14,827 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-20 12:45:14,828 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-20 12:45:14,881 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-20 12:45:14,882 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-20 12:45:14,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-09-20 12:45:14,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-20 12:45:14,965 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-20 12:45:14,965 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-20 12:45:15,146 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-09-20 12:45:15,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [439862628] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-20 12:45:15,147 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-20 12:45:15,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 17 [2024-09-20 12:45:15,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379436824] [2024-09-20 12:45:15,147 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-20 12:45:15,148 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-09-20 12:45:15,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-20 12:45:15,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-09-20 12:45:15,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=174, Unknown=0, NotChecked=0, Total=272 [2024-09-20 12:45:15,151 INFO L87 Difference]: Start difference. First operand 47 states and 48 transitions. Second operand has 17 states, 17 states have (on average 3.176470588235294) internal successors, (54), 16 states have internal predecessors, (54), 13 states have call successors, (18), 10 states have call predecessors, (18), 8 states have return successors, (15), 11 states have call predecessors, (15), 9 states have call successors, (15) [2024-09-20 12:45:15,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-20 12:45:15,616 INFO L93 Difference]: Finished difference Result 107 states and 113 transitions. [2024-09-20 12:45:15,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-09-20 12:45:15,616 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.176470588235294) internal successors, (54), 16 states have internal predecessors, (54), 13 states have call successors, (18), 10 states have call predecessors, (18), 8 states have return successors, (15), 11 states have call predecessors, (15), 9 states have call successors, (15) Word has length 43 [2024-09-20 12:45:15,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-20 12:45:15,618 INFO L225 Difference]: With dead ends: 107 [2024-09-20 12:45:15,618 INFO L226 Difference]: Without dead ends: 100 [2024-09-20 12:45:15,619 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=329, Invalid=861, Unknown=0, NotChecked=0, Total=1190 [2024-09-20 12:45:15,620 INFO L434 NwaCegarLoop]: 8 mSDtfsCounter, 95 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-20 12:45:15,620 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 37 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-20 12:45:15,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-09-20 12:45:15,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 90. [2024-09-20 12:45:15,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 65 states have (on average 1.1076923076923078) internal successors, (72), 66 states have internal predecessors, (72), 13 states have call successors, (13), 12 states have call predecessors, (13), 11 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-09-20 12:45:15,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 96 transitions. [2024-09-20 12:45:15,639 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 96 transitions. Word has length 43 [2024-09-20 12:45:15,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-20 12:45:15,639 INFO L474 AbstractCegarLoop]: Abstraction has 90 states and 96 transitions. [2024-09-20 12:45:15,639 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.176470588235294) internal successors, (54), 16 states have internal predecessors, (54), 13 states have call successors, (18), 10 states have call predecessors, (18), 8 states have return successors, (15), 11 states have call predecessors, (15), 9 states have call successors, (15) [2024-09-20 12:45:15,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 12:45:15,640 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 96 transitions. [2024-09-20 12:45:15,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-09-20 12:45:15,641 INFO L208 NwaCegarLoop]: Found error trace [2024-09-20 12:45:15,642 INFO L216 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2024-09-20 12:45:15,659 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-09-20 12:45:15,846 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-20 12:45:15,847 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-20 12:45:15,847 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-20 12:45:15,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1625899177, now seen corresponding path program 2 times [2024-09-20 12:45:15,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-20 12:45:15,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575831796] [2024-09-20 12:45:15,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-20 12:45:15,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-20 12:45:15,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-09-20 12:45:15,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1158924965] [2024-09-20 12:45:15,896 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-20 12:45:15,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-20 12:45:15,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-20 12:45:15,903 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-20 12:45:15,907 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-20 12:45:16,109 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-20 12:45:16,109 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-20 12:45:16,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-09-20 12:45:16,114 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-20 12:45:17,326 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 4 proven. 40 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-09-20 12:45:17,327 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-20 12:45:34,525 WARN L876 $PredicateComparison]: unable to prove that (or (= (mod (+ (* c_main_~x~0 c_main_~z~0 c_main_~z~0) (* c_main_~a~0 c_main_~z~0) (* 18446744073709551615 c_main_~x~0 c_main_~z~0) (* 18446744073709551615 c_main_~y~0 c_main_~az~0 c_main_~z~0)) 18446744073709551616) 0) (not (= (mod (+ (* c_main_~x~0 c_main_~z~0) (* 18446744073709551615 c_main_~y~0 c_main_~az~0) (* 18446744073709551615 c_main_~x~0) c_main_~a~0) 18446744073709551616) 0))) is different from true [2024-09-20 12:46:03,554 WARN L876 $PredicateComparison]: unable to prove that (or (= (mod (+ (* c_main_~x~0 c_main_~z~0 c_main_~z~0 c_main_~z~0) (* 18446744073709551615 c_main_~x~0 c_main_~z~0 c_main_~z~0) (* 18446744073709551615 c_main_~y~0 c_main_~az~0 c_main_~z~0 c_main_~z~0) (* c_main_~a~0 c_main_~z~0 c_main_~z~0)) 18446744073709551616) 0) (not (= (mod (+ (* c_main_~x~0 c_main_~z~0 c_main_~z~0) (* c_main_~a~0 c_main_~z~0) (* 18446744073709551615 c_main_~x~0 c_main_~z~0) (* 18446744073709551615 c_main_~y~0 c_main_~az~0 c_main_~z~0)) 18446744073709551616) 0))) is different from true [2024-09-20 12:46:15,623 WARN L293 SmtUtils]: Spent 12.04s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-09-20 12:46:21,875 WARN L293 SmtUtils]: Spent 6.25s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-09-20 12:46:33,891 WARN L293 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-09-20 12:46:37,899 WARN L876 $PredicateComparison]: unable to prove that (or (= (mod (+ (* c_main_~x~0 c_main_~z~0 c_main_~z~0 c_main_~z~0) (* 18446744073709551615 c_main_~x~0 c_main_~z~0 c_main_~z~0) (* 18446744073709551615 c_main_~y~0 c_main_~az~0 c_main_~z~0 c_main_~z~0) (* c_main_~a~0 c_main_~z~0 c_main_~z~0)) 18446744073709551616) 0) (not (= (mod (+ (* c_main_~x~0 c_main_~z~0) (* 18446744073709551615 c_main_~y~0 c_main_~az~0) (* 18446744073709551615 c_main_~x~0) c_main_~a~0) 18446744073709551616) 0)) (not (= (mod (+ (* c_main_~x~0 c_main_~z~0 c_main_~z~0) (* c_main_~a~0 c_main_~z~0) (* 18446744073709551615 c_main_~x~0 c_main_~z~0) (* 18446744073709551615 c_main_~y~0 c_main_~az~0 c_main_~z~0)) 18446744073709551616) 0))) is different from true [2024-09-20 12:46:58,008 WARN L293 SmtUtils]: Spent 12.03s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-09-20 12:47:10,045 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) [2024-09-20 12:47:22,730 WARN L293 SmtUtils]: Spent 8.03s 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) [2024-09-20 12:47:34,815 WARN L293 SmtUtils]: Spent 12.08s 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) [2024-09-20 12:47:38,833 WARN L876 $PredicateComparison]: unable to prove that (or (not (= |c___VERIFIER_assert_#in~cond| 0)) (forall ((v_main_~x~0_BEFORE_CALL_11 Int) (v_main_~y~0_BEFORE_CALL_11 Int) (v_main_~z~0_BEFORE_CALL_11 Int) (v_z_1 Int) (v_main_~az~0_BEFORE_CALL_11 Int)) (let ((.cse0 (+ v_z_1 (mod (+ (* 18446744073709551615 v_main_~y~0_BEFORE_CALL_11 v_main_~az~0_BEFORE_CALL_11) (* v_main_~z~0_BEFORE_CALL_11 v_main_~x~0_BEFORE_CALL_11) (* 18446744073709551615 v_main_~x~0_BEFORE_CALL_11)) 18446744073709551616)))) (or (= .cse0 0) (= (mod (+ (* v_main_~z~0_BEFORE_CALL_11 v_main_~z~0_BEFORE_CALL_11 v_z_1) (* 18446744073709551615 v_main_~z~0_BEFORE_CALL_11 v_main_~z~0_BEFORE_CALL_11 v_main_~x~0_BEFORE_CALL_11) (* v_main_~z~0_BEFORE_CALL_11 v_main_~z~0_BEFORE_CALL_11 v_main_~z~0_BEFORE_CALL_11 v_main_~x~0_BEFORE_CALL_11) (* 18446744073709551615 v_main_~z~0_BEFORE_CALL_11 v_main_~z~0_BEFORE_CALL_11 v_main_~y~0_BEFORE_CALL_11 v_main_~az~0_BEFORE_CALL_11)) 18446744073709551616) 0) (< v_z_1 0) (not (= (mod (+ (* 18446744073709551615 v_main_~z~0_BEFORE_CALL_11 v_main_~x~0_BEFORE_CALL_11) (* 18446744073709551615 v_main_~z~0_BEFORE_CALL_11 v_main_~y~0_BEFORE_CALL_11 v_main_~az~0_BEFORE_CALL_11) (* v_main_~z~0_BEFORE_CALL_11 v_z_1) (* v_main_~z~0_BEFORE_CALL_11 v_main_~z~0_BEFORE_CALL_11 v_main_~x~0_BEFORE_CALL_11)) 18446744073709551616) 0)) (< 18446744073709551615 v_z_1) (= 18446744073709551616 .cse0))))) is different from true [2024-09-20 12:47:54,878 WARN L293 SmtUtils]: Spent 12.01s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-09-20 12:48:07,058 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) [2024-09-20 12:48:19,152 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) [2024-09-20 12:48:31,203 WARN L293 SmtUtils]: Spent 12.05s 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)