./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 --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1d5fa637 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 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 09:26:39,781 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 09:26:39,862 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-09-13 09:26:39,866 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 09:26:39,869 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 09:26:39,902 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 09:26:39,904 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 09:26:39,904 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 09:26:39,905 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 09:26:39,908 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 09:26:39,909 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 09:26:39,909 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 09:26:39,909 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 09:26:39,910 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 09:26:39,910 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 09:26:39,910 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 09:26:39,911 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 09:26:39,911 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 09:26:39,912 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 09:26:39,913 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 09:26:39,913 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 09:26:39,913 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 09:26:39,914 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 09:26:39,914 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 09:26:39,915 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 09:26:39,915 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 09:26:39,915 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 09:26:39,915 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 09:26:39,916 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 09:26:39,916 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 09:26:39,917 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 09:26:39,917 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 09:26:39,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 09:26:39,918 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 09:26:39,918 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 09:26:39,918 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 09:26:39,919 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 09:26:39,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 09:26:39,919 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 09:26:39,919 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 09:26:39,919 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 09:26:39,920 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 09:26:39,920 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/certificate-witnesses-artifact/automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64ec747f16f85f34120a83cb220678bef4299bbd9b6be63566dcb373d7bbd3fe Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: YAML Format version -> 2.1 [2024-09-13 09:26:40,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 09:26:40,191 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 09:26:40,193 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 09:26:40,194 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 09:26:40,194 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 09:26:40,195 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound50.c [2024-09-13 09:26:41,655 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 09:26:41,843 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 09:26:41,843 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound50.c [2024-09-13 09:26:41,850 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/53d889c72/d5d88c1bb450444f98f1f616f96e050a/FLAG3e6c4bdde [2024-09-13 09:26:42,241 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/53d889c72/d5d88c1bb450444f98f1f616f96e050a [2024-09-13 09:26:42,244 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 09:26:42,245 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-09-13 09:26:42,249 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 09:26:42,249 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 09:26:42,254 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 09:26:42,254 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 09:26:42" (1/1) ... [2024-09-13 09:26:42,255 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c856918 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 09:26:42, skipping insertion in model container [2024-09-13 09:26:42,255 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 09:26:42" (1/1) ... [2024-09-13 09:26:42,278 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 09:26:42,419 WARN L247 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] [2024-09-13 09:26:42,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 09:26:42,453 INFO L200 MainTranslator]: Completed pre-run [2024-09-13 09:26:42,487 WARN L247 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] [2024-09-13 09:26:42,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 09:26:42,517 INFO L204 MainTranslator]: Completed translation [2024-09-13 09:26:42,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 09:26:42 WrapperNode [2024-09-13 09:26:42,518 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 09:26:42,519 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-13 09:26:42,519 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-13 09:26:42,519 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-13 09:26:42,526 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 09:26:42" (1/1) ... [2024-09-13 09:26:42,531 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 09:26:42" (1/1) ... [2024-09-13 09:26:42,536 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-09-13 09:26:42,538 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-13 09:26:42,538 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 09:26:42,538 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 09:26:42,538 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 09:26:42,548 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 09:26:42" (1/1) ... [2024-09-13 09:26:42,549 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 09:26:42" (1/1) ... [2024-09-13 09:26:42,553 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 09:26:42" (1/1) ... [2024-09-13 09:26:42,569 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]. [2024-09-13 09:26:42,569 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 09:26:42" (1/1) ... [2024-09-13 09:26:42,569 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 09:26:42" (1/1) ... [2024-09-13 09:26:42,572 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 09:26:42" (1/1) ... [2024-09-13 09:26:42,575 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 09:26:42" (1/1) ... [2024-09-13 09:26:42,577 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 09:26:42" (1/1) ... [2024-09-13 09:26:42,577 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 09:26:42" (1/1) ... [2024-09-13 09:26:42,579 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 09:26:42,579 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 09:26:42,579 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 09:26:42,580 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 09:26:42,580 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 09:26:42" (1/1) ... [2024-09-13 09:26:42,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 09:26:42,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-13 09:26:42,608 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) [2024-09-13 09:26:42,614 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 [2024-09-13 09:26:42,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 09:26:42,656 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 09:26:42,656 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 09:26:42,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-13 09:26:42,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 09:26:42,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 09:26:42,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 09:26:42,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 09:26:42,657 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 09:26:42,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 09:26:42,725 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 09:26:42,727 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 09:26:42,873 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-09-13 09:26:42,873 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 09:26:42,898 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 09:26:42,898 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 09:26:42,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 09:26:42 BoogieIcfgContainer [2024-09-13 09:26:42,899 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 09:26:42,901 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-13 09:26:42,901 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-13 09:26:42,904 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-13 09:26:42,904 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.09 09:26:42" (1/3) ... [2024-09-13 09:26:42,904 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31a6b207 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.09 09:26:42, skipping insertion in model container [2024-09-13 09:26:42,905 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 09:26:42" (2/3) ... [2024-09-13 09:26:42,905 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31a6b207 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.09 09:26:42, skipping insertion in model container [2024-09-13 09:26:42,905 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 09:26:42" (3/3) ... [2024-09-13 09:26:42,906 INFO L112 eAbstractionObserver]: Analyzing ICFG geo3-ll_unwindbound50.c [2024-09-13 09:26:42,920 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-13 09:26:42,920 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-09-13 09:26:42,968 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-09-13 09:26:42,973 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;@ae3fa14, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-13 09:26:42,974 INFO L337 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-09-13 09:26:42,977 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) [2024-09-13 09:26:42,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-09-13 09:26:42,983 INFO L208 NwaCegarLoop]: Found error trace [2024-09-13 09:26:42,983 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-13 09:26:42,984 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-13 09:26:42,992 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-13 09:26:42,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1030420147, now seen corresponding path program 1 times [2024-09-13 09:26:43,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-13 09:26:43,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585747597] [2024-09-13 09:26:43,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-13 09:26:43,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-13 09:26:43,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 09:26:43,153 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-13 09:26:43,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 09:26:43,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-13 09:26:43,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-13 09:26:43,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585747597] [2024-09-13 09:26:43,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585747597] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-13 09:26:43,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-13 09:26:43,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-13 09:26:43,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505922064] [2024-09-13 09:26:43,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-13 09:26:43,186 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-13 09:26:43,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-13 09:26:43,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-13 09:26:43,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-13 09:26:43,210 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) [2024-09-13 09:26:43,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-13 09:26:43,278 INFO L93 Difference]: Finished difference Result 36 states and 47 transitions. [2024-09-13 09:26:43,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-13 09:26:43,281 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 [2024-09-13 09:26:43,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-13 09:26:43,285 INFO L225 Difference]: With dead ends: 36 [2024-09-13 09:26:43,286 INFO L226 Difference]: Without dead ends: 17 [2024-09-13 09:26:43,288 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 [2024-09-13 09:26:43,292 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 [2024-09-13 09:26:43,292 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] [2024-09-13 09:26:43,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2024-09-13 09:26:43,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2024-09-13 09:26:43,322 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) [2024-09-13 09:26:43,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2024-09-13 09:26:43,324 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 10 [2024-09-13 09:26:43,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-13 09:26:43,324 INFO L474 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2024-09-13 09:26:43,325 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) [2024-09-13 09:26:43,325 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-13 09:26:43,326 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-09-13 09:26:43,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-09-13 09:26:43,326 INFO L208 NwaCegarLoop]: Found error trace [2024-09-13 09:26:43,326 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-13 09:26:43,327 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-13 09:26:43,327 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-13 09:26:43,328 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-13 09:26:43,330 INFO L85 PathProgramCache]: Analyzing trace with hash 2015485711, now seen corresponding path program 1 times [2024-09-13 09:26:43,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-13 09:26:43,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840511565] [2024-09-13 09:26:43,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-13 09:26:43,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-13 09:26:43,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 09:26:43,535 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-13 09:26:43,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 09:26:43,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-13 09:26:43,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-13 09:26:43,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840511565] [2024-09-13 09:26:43,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840511565] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-13 09:26:43,560 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-13 09:26:43,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-13 09:26:43,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545501858] [2024-09-13 09:26:43,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-13 09:26:43,562 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-13 09:26:43,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-13 09:26:43,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-13 09:26:43,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-13 09:26:43,563 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) [2024-09-13 09:26:43,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-13 09:26:43,641 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2024-09-13 09:26:43,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-13 09:26:43,642 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 [2024-09-13 09:26:43,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-13 09:26:43,642 INFO L225 Difference]: With dead ends: 25 [2024-09-13 09:26:43,642 INFO L226 Difference]: Without dead ends: 18 [2024-09-13 09:26:43,643 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 [2024-09-13 09:26:43,644 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 [2024-09-13 09:26:43,644 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] [2024-09-13 09:26:43,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2024-09-13 09:26:43,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-09-13 09:26:43,654 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) [2024-09-13 09:26:43,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2024-09-13 09:26:43,655 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 11 [2024-09-13 09:26:43,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-13 09:26:43,656 INFO L474 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2024-09-13 09:26:43,656 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) [2024-09-13 09:26:43,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-13 09:26:43,657 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2024-09-13 09:26:43,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-09-13 09:26:43,657 INFO L208 NwaCegarLoop]: Found error trace [2024-09-13 09:26:43,657 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-13 09:26:43,658 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-13 09:26:43,658 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-13 09:26:43,659 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-13 09:26:43,659 INFO L85 PathProgramCache]: Analyzing trace with hash 2017273171, now seen corresponding path program 1 times [2024-09-13 09:26:43,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-13 09:26:43,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318124591] [2024-09-13 09:26:43,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-13 09:26:43,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-13 09:26:43,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-09-13 09:26:43,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1738233811] [2024-09-13 09:26:43,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-13 09:26:43,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-13 09:26:43,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-13 09:26:43,682 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) [2024-09-13 09:26:43,684 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-09-13 09:26:43,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 09:26:43,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-09-13 09:26:43,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-13 09:26:43,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-13 09:26:43,881 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-13 09:26:43,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-13 09:26:43,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318124591] [2024-09-13 09:26:43,882 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-09-13 09:26:43,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1738233811] [2024-09-13 09:26:43,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1738233811] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-13 09:26:43,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-13 09:26:43,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-13 09:26:43,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213991308] [2024-09-13 09:26:43,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-13 09:26:43,886 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-13 09:26:43,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-13 09:26:43,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-13 09:26:43,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-13 09:26:43,887 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) [2024-09-13 09:26:43,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-13 09:26:43,974 INFO L93 Difference]: Finished difference Result 27 states and 30 transitions. [2024-09-13 09:26:43,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-13 09:26:43,975 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 [2024-09-13 09:26:43,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-13 09:26:43,976 INFO L225 Difference]: With dead ends: 27 [2024-09-13 09:26:43,976 INFO L226 Difference]: Without dead ends: 24 [2024-09-13 09:26:43,976 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 [2024-09-13 09:26:43,978 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 [2024-09-13 09:26:43,978 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] [2024-09-13 09:26:43,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2024-09-13 09:26:43,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2024-09-13 09:26:43,985 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) [2024-09-13 09:26:43,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions. [2024-09-13 09:26:43,986 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 11 [2024-09-13 09:26:43,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-13 09:26:43,986 INFO L474 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions. [2024-09-13 09:26:43,986 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) [2024-09-13 09:26:43,987 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-13 09:26:43,987 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2024-09-13 09:26:43,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-09-13 09:26:43,987 INFO L208 NwaCegarLoop]: Found error trace [2024-09-13 09:26:43,988 INFO L216 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-13 09:26:44,002 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-09-13 09:26:44,188 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 [2024-09-13 09:26:44,189 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-13 09:26:44,189 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-13 09:26:44,189 INFO L85 PathProgramCache]: Analyzing trace with hash -810508528, now seen corresponding path program 1 times [2024-09-13 09:26:44,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-13 09:26:44,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590516646] [2024-09-13 09:26:44,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-13 09:26:44,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-13 09:26:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 09:26:44,376 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-13 09:26:44,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 09:26:44,388 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-13 09:26:44,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 09:26:44,402 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-13 09:26:44,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-13 09:26:44,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590516646] [2024-09-13 09:26:44,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590516646] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-13 09:26:44,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305200290] [2024-09-13 09:26:44,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-13 09:26:44,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-13 09:26:44,406 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-13 09:26:44,408 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) [2024-09-13 09:26:44,413 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-13 09:26:44,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 09:26:44,464 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-09-13 09:26:44,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-13 09:26:44,511 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-13 09:26:44,512 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-13 09:26:44,589 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-13 09:26:44,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [305200290] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-13 09:26:44,590 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-13 09:26:44,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2024-09-13 09:26:44,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709014276] [2024-09-13 09:26:44,590 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-13 09:26:44,590 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-09-13 09:26:44,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-13 09:26:44,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-09-13 09:26:44,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-09-13 09:26:44,592 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) [2024-09-13 09:26:44,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-13 09:26:44,775 INFO L93 Difference]: Finished difference Result 55 states and 61 transitions. [2024-09-13 09:26:44,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-13 09:26:44,775 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 [2024-09-13 09:26:44,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-13 09:26:44,776 INFO L225 Difference]: With dead ends: 55 [2024-09-13 09:26:44,777 INFO L226 Difference]: Without dead ends: 48 [2024-09-13 09:26:44,777 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 [2024-09-13 09:26:44,782 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 [2024-09-13 09:26:44,783 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] [2024-09-13 09:26:44,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-09-13 09:26:44,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 44. [2024-09-13 09:26:44,819 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) [2024-09-13 09:26:44,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 50 transitions. [2024-09-13 09:26:44,820 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 50 transitions. Word has length 19 [2024-09-13 09:26:44,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-13 09:26:44,821 INFO L474 AbstractCegarLoop]: Abstraction has 44 states and 50 transitions. [2024-09-13 09:26:44,821 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) [2024-09-13 09:26:44,821 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-13 09:26:44,822 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 50 transitions. [2024-09-13 09:26:44,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-09-13 09:26:44,826 INFO L208 NwaCegarLoop]: Found error trace [2024-09-13 09:26:44,826 INFO L216 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-13 09:26:44,844 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-09-13 09:26:45,027 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 [2024-09-13 09:26:45,027 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-13 09:26:45,028 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-13 09:26:45,028 INFO L85 PathProgramCache]: Analyzing trace with hash -808721068, now seen corresponding path program 1 times [2024-09-13 09:26:45,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-13 09:26:45,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553586083] [2024-09-13 09:26:45,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-13 09:26:45,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-13 09:26:45,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-09-13 09:26:45,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1152343171] [2024-09-13 09:26:45,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-13 09:26:45,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-13 09:26:45,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-13 09:26:45,060 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) [2024-09-13 09:26:45,062 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-13 09:26:45,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 09:26:45,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-09-13 09:26:45,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-13 09:26:45,353 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-13 09:26:45,353 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-13 09:27:02,003 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 [2024-09-13 09:27:18,316 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 3 not checked. [2024-09-13 09:27:18,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-13 09:27:18,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553586083] [2024-09-13 09:27:18,317 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-09-13 09:27:18,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1152343171] [2024-09-13 09:27:18,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1152343171] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-13 09:27:18,317 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-13 09:27:18,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 12 [2024-09-13 09:27:18,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799105264] [2024-09-13 09:27:18,317 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-13 09:27:18,318 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-13 09:27:18,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-13 09:27:18,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-13 09:27:18,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=83, Unknown=2, NotChecked=18, Total=132 [2024-09-13 09:27:18,319 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) [2024-09-13 09:27:26,864 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 [] [2024-09-13 09:27:30,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-09-13 09:27:34,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-09-13 09:27:38,911 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-09-13 09:27:42,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-09-13 09:27:46,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-09-13 09:27:50,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-09-13 09:27:52,211 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-09-13 09:27:56,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-09-13 09:27:56,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-13 09:27:56,219 INFO L93 Difference]: Finished difference Result 52 states and 58 transitions. [2024-09-13 09:27:56,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-13 09:27:56,222 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 [2024-09-13 09:27:56,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-13 09:27:56,224 INFO L225 Difference]: With dead ends: 52 [2024-09-13 09:27:56,224 INFO L226 Difference]: Without dead ends: 47 [2024-09-13 09:27:56,224 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 [2024-09-13 09:27:56,225 INFO L434 NwaCegarLoop]: 15 mSDtfsCounter, 11 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 9 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.6s 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, 33.7s IncrementalHoareTripleChecker+Time [2024-09-13 09:27:56,225 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 104 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 67 Invalid, 8 Unknown, 42 Unchecked, 33.7s Time] [2024-09-13 09:27:56,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-09-13 09:27:56,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-09-13 09:27:56,240 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) [2024-09-13 09:27:56,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 48 transitions. [2024-09-13 09:27:56,241 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 48 transitions. Word has length 19 [2024-09-13 09:27:56,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-13 09:27:56,241 INFO L474 AbstractCegarLoop]: Abstraction has 47 states and 48 transitions. [2024-09-13 09:27:56,242 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) [2024-09-13 09:27:56,242 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-13 09:27:56,243 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2024-09-13 09:27:56,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-09-13 09:27:56,244 INFO L208 NwaCegarLoop]: Found error trace [2024-09-13 09:27:56,244 INFO L216 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-13 09:27:56,252 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-09-13 09:27:56,444 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 [2024-09-13 09:27:56,445 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-13 09:27:56,445 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-13 09:27:56,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1627686637, now seen corresponding path program 2 times [2024-09-13 09:27:56,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-13 09:27:56,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373310948] [2024-09-13 09:27:56,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-13 09:27:56,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-13 09:27:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 09:27:56,720 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-13 09:27:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 09:27:56,729 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-13 09:27:56,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 09:27:56,737 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-13 09:27:56,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 09:27:56,745 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-13 09:27:56,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 09:27:56,752 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-09-13 09:27:56,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-13 09:27:56,757 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-09-13 09:27:56,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-13 09:27:56,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373310948] [2024-09-13 09:27:56,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373310948] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-13 09:27:56,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2065714741] [2024-09-13 09:27:56,759 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-13 09:27:56,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-13 09:27:56,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-13 09:27:56,761 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) [2024-09-13 09:27:56,761 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-13 09:27:56,819 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-13 09:27:56,820 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-13 09:27:56,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-09-13 09:27:56,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-13 09:27:56,915 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-13 09:27:56,915 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-13 09:27:57,085 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-09-13 09:27:57,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2065714741] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-13 09:27:57,088 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-13 09:27:57,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 17 [2024-09-13 09:27:57,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097364636] [2024-09-13 09:27:57,088 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-13 09:27:57,089 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-09-13 09:27:57,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-13 09:27:57,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-09-13 09:27:57,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=174, Unknown=0, NotChecked=0, Total=272 [2024-09-13 09:27:57,090 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) [2024-09-13 09:27:57,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-13 09:27:57,536 INFO L93 Difference]: Finished difference Result 107 states and 113 transitions. [2024-09-13 09:27:57,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-09-13 09:27:57,537 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 [2024-09-13 09:27:57,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-13 09:27:57,539 INFO L225 Difference]: With dead ends: 107 [2024-09-13 09:27:57,541 INFO L226 Difference]: Without dead ends: 100 [2024-09-13 09:27:57,542 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 [2024-09-13 09:27:57,543 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 [2024-09-13 09:27:57,543 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] [2024-09-13 09:27:57,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-09-13 09:27:57,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 90. [2024-09-13 09:27:57,571 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) [2024-09-13 09:27:57,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 96 transitions. [2024-09-13 09:27:57,572 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 96 transitions. Word has length 43 [2024-09-13 09:27:57,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-13 09:27:57,573 INFO L474 AbstractCegarLoop]: Abstraction has 90 states and 96 transitions. [2024-09-13 09:27:57,573 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) [2024-09-13 09:27:57,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-13 09:27:57,574 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 96 transitions. [2024-09-13 09:27:57,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-09-13 09:27:57,574 INFO L208 NwaCegarLoop]: Found error trace [2024-09-13 09:27:57,575 INFO L216 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2024-09-13 09:27:57,593 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-09-13 09:27:57,778 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 [2024-09-13 09:27:57,779 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-13 09:27:57,779 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-13 09:27:57,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1625899177, now seen corresponding path program 2 times [2024-09-13 09:27:57,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-13 09:27:57,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719284785] [2024-09-13 09:27:57,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-13 09:27:57,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-13 09:27:57,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-09-13 09:27:57,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1327951596] [2024-09-13 09:27:57,823 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-13 09:27:57,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-13 09:27:57,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-13 09:27:57,825 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) [2024-09-13 09:27:57,830 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-13 09:27:58,084 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-13 09:27:58,085 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-13 09:27:58,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-09-13 09:27:58,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-13 09:27:59,193 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 4 proven. 40 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-09-13 09:27:59,194 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-13 09:28:16,185 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 [2024-09-13 09:28:44,746 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 [2024-09-13 09:28:56,810 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) [2024-09-13 09:29:12,866 WARN L293 SmtUtils]: Spent 12.04s 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) [2024-09-13 09:29:15,054 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 [2024-09-13 09:29:35,144 WARN L293 SmtUtils]: Spent 12.04s 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) [2024-09-13 09:29:47,395 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) [2024-09-13 09:29:59,463 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) [2024-09-13 09:30:11,476 WARN L293 SmtUtils]: Spent 12.01s 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) [2024-09-13 09:30:15,492 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 [2024-09-13 09:30:31,566 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) [2024-09-13 09:30:43,622 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) [2024-09-13 09:30:51,674 WARN L293 SmtUtils]: Spent 8.05s 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) [2024-09-13 09:30:59,685 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) [2024-09-13 09:31:11,719 WARN L293 SmtUtils]: Spent 12.03s 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)