./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 a9b967e5 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-a9b967e-m [2024-09-12 16:07:37,863 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 16:07:37,936 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-09-12 16:07:37,942 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 16:07:37,943 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 16:07:37,968 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 16:07:37,969 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 16:07:37,969 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 16:07:37,970 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 16:07:37,970 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 16:07:37,970 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 16:07:37,971 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 16:07:37,971 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 16:07:37,972 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 16:07:37,972 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 16:07:37,973 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 16:07:37,973 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 16:07:37,973 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 16:07:37,974 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 16:07:37,974 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 16:07:37,974 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 16:07:37,975 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 16:07:37,979 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 16:07:37,979 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 16:07:37,980 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 16:07:37,980 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 16:07:37,980 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 16:07:37,980 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 16:07:37,981 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 16:07:37,981 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 16:07:37,981 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 16:07:37,982 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 16:07:37,982 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:07:37,982 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 16:07:37,983 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 16:07:37,985 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 16:07:37,985 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 16:07:37,986 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 16:07:37,986 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 16:07:37,986 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 16:07:37,986 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 16:07:37,987 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 16:07:37,988 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/certificate-witnesses-artifact/automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 64ec747f16f85f34120a83cb220678bef4299bbd9b6be63566dcb373d7bbd3fe Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: YAML Format version -> 2.1 [2024-09-12 16:07:38,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 16:07:38,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 16:07:38,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 16:07:38,316 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 16:07:38,317 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 16:07:38,318 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound50.c [2024-09-12 16:07:39,812 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 16:07:39,995 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 16:07:39,996 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound50.c [2024-09-12 16:07:40,002 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/733ac72f8/e8bdd4901be84eeab8800d606eb6bdc1/FLAG968bb0dbf [2024-09-12 16:07:40,012 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/733ac72f8/e8bdd4901be84eeab8800d606eb6bdc1 [2024-09-12 16:07:40,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 16:07:40,015 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-09-12 16:07:40,015 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 16:07:40,016 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 16:07:40,021 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 16:07:40,021 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:07:40" (1/1) ... [2024-09-12 16:07:40,022 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@23f3a508 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:07:40, skipping insertion in model container [2024-09-12 16:07:40,022 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:07:40" (1/1) ... [2024-09-12 16:07:40,037 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 16:07:40,165 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] [2024-09-12 16:07:40,183 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:07:40,195 INFO L200 MainTranslator]: Completed pre-run [2024-09-12 16:07:40,205 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] [2024-09-12 16:07:40,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:07:40,230 INFO L204 MainTranslator]: Completed translation [2024-09-12 16:07:40,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:07:40 WrapperNode [2024-09-12 16:07:40,231 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 16:07:40,232 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-12 16:07:40,232 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-12 16:07:40,232 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-12 16:07:40,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:07:40" (1/1) ... [2024-09-12 16:07:40,243 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:07:40" (1/1) ... [2024-09-12 16:07:40,249 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-09-12 16:07:40,250 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-12 16:07:40,250 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 16:07:40,250 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 16:07:40,250 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 16:07:40,258 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:07:40" (1/1) ... [2024-09-12 16:07:40,259 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:07:40" (1/1) ... [2024-09-12 16:07:40,260 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:07:40" (1/1) ... [2024-09-12 16:07:40,270 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]. [2024-09-12 16:07:40,273 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:07:40" (1/1) ... [2024-09-12 16:07:40,274 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:07:40" (1/1) ... [2024-09-12 16:07:40,276 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:07:40" (1/1) ... [2024-09-12 16:07:40,279 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:07:40" (1/1) ... [2024-09-12 16:07:40,280 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:07:40" (1/1) ... [2024-09-12 16:07:40,281 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:07:40" (1/1) ... [2024-09-12 16:07:40,283 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 16:07:40,287 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 16:07:40,287 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 16:07:40,287 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 16:07:40,287 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:07:40" (1/1) ... [2024-09-12 16:07:40,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:07:40,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 16:07:40,318 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) [2024-09-12 16:07:40,321 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 [2024-09-12 16:07:40,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 16:07:40,376 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 16:07:40,376 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 16:07:40,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-12 16:07:40,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 16:07:40,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 16:07:40,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 16:07:40,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 16:07:40,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 16:07:40,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 16:07:40,444 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 16:07:40,446 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 16:07:40,606 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-09-12 16:07:40,607 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 16:07:40,637 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 16:07:40,638 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-12 16:07:40,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:07:40 BoogieIcfgContainer [2024-09-12 16:07:40,639 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 16:07:40,640 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-12 16:07:40,641 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-12 16:07:40,644 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-12 16:07:40,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.09 04:07:40" (1/3) ... [2024-09-12 16:07:40,645 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43753126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.09 04:07:40, skipping insertion in model container [2024-09-12 16:07:40,645 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:07:40" (2/3) ... [2024-09-12 16:07:40,646 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43753126 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.09 04:07:40, skipping insertion in model container [2024-09-12 16:07:40,646 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:07:40" (3/3) ... [2024-09-12 16:07:40,648 INFO L112 eAbstractionObserver]: Analyzing ICFG geo3-ll_unwindbound50.c [2024-09-12 16:07:40,663 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-12 16:07:40,663 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-09-12 16:07:40,722 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-09-12 16:07:40,729 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;@d9c9e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-12 16:07:40,730 INFO L337 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-09-12 16:07:40,734 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) [2024-09-12 16:07:40,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-09-12 16:07:40,740 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 16:07:40,740 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 16:07:40,741 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-12 16:07:40,745 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 16:07:40,746 INFO L85 PathProgramCache]: Analyzing trace with hash -1030420147, now seen corresponding path program 1 times [2024-09-12 16:07:40,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 16:07:40,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519011633] [2024-09-12 16:07:40,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 16:07:40,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 16:07:40,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 16:07:40,919 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 16:07:40,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 16:07:40,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 16:07:40,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 16:07:40,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519011633] [2024-09-12 16:07:40,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519011633] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 16:07:40,931 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 16:07:40,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-12 16:07:40,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432067598] [2024-09-12 16:07:40,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 16:07:40,937 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-12 16:07:40,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 16:07:40,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-12 16:07:40,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-12 16:07:40,963 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) [2024-09-12 16:07:41,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 16:07:41,016 INFO L93 Difference]: Finished difference Result 36 states and 47 transitions. [2024-09-12 16:07:41,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-12 16:07:41,022 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 [2024-09-12 16:07:41,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 16:07:41,028 INFO L225 Difference]: With dead ends: 36 [2024-09-12 16:07:41,028 INFO L226 Difference]: Without dead ends: 17 [2024-09-12 16:07:41,031 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 [2024-09-12 16:07:41,034 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 [2024-09-12 16:07:41,035 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] [2024-09-12 16:07:41,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2024-09-12 16:07:41,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2024-09-12 16:07:41,067 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) [2024-09-12 16:07:41,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2024-09-12 16:07:41,069 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 10 [2024-09-12 16:07:41,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 16:07:41,069 INFO L474 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2024-09-12 16:07:41,069 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) [2024-09-12 16:07:41,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 16:07:41,070 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-09-12 16:07:41,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-09-12 16:07:41,071 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 16:07:41,071 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 16:07:41,071 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-12 16:07:41,072 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-12 16:07:41,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 16:07:41,072 INFO L85 PathProgramCache]: Analyzing trace with hash 2015485711, now seen corresponding path program 1 times [2024-09-12 16:07:41,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 16:07:41,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85922843] [2024-09-12 16:07:41,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 16:07:41,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 16:07:41,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 16:07:41,283 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 16:07:41,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 16:07:41,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 16:07:41,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 16:07:41,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85922843] [2024-09-12 16:07:41,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85922843] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 16:07:41,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 16:07:41,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-12 16:07:41,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240351416] [2024-09-12 16:07:41,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 16:07:41,307 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-12 16:07:41,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 16:07:41,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-12 16:07:41,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-12 16:07:41,310 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) [2024-09-12 16:07:41,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 16:07:41,385 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2024-09-12 16:07:41,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-12 16:07:41,386 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 [2024-09-12 16:07:41,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 16:07:41,387 INFO L225 Difference]: With dead ends: 25 [2024-09-12 16:07:41,387 INFO L226 Difference]: Without dead ends: 18 [2024-09-12 16:07:41,388 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 [2024-09-12 16:07:41,389 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 [2024-09-12 16:07:41,389 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] [2024-09-12 16:07:41,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2024-09-12 16:07:41,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-09-12 16:07:41,399 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) [2024-09-12 16:07:41,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2024-09-12 16:07:41,400 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 11 [2024-09-12 16:07:41,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 16:07:41,400 INFO L474 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2024-09-12 16:07:41,400 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) [2024-09-12 16:07:41,401 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 16:07:41,401 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2024-09-12 16:07:41,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-09-12 16:07:41,402 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 16:07:41,402 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 16:07:41,403 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-12 16:07:41,403 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-12 16:07:41,404 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 16:07:41,404 INFO L85 PathProgramCache]: Analyzing trace with hash 2017273171, now seen corresponding path program 1 times [2024-09-12 16:07:41,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 16:07:41,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835475488] [2024-09-12 16:07:41,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 16:07:41,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 16:07:41,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-09-12 16:07:41,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1983664910] [2024-09-12 16:07:41,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 16:07:41,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 16:07:41,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 16:07:41,437 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) [2024-09-12 16:07:41,439 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-09-12 16:07:41,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 16:07:41,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-09-12 16:07:41,508 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 16:07:41,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 16:07:41,624 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-12 16:07:41,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 16:07:41,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835475488] [2024-09-12 16:07:41,625 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-09-12 16:07:41,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1983664910] [2024-09-12 16:07:41,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1983664910] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 16:07:41,626 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 16:07:41,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-12 16:07:41,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541863902] [2024-09-12 16:07:41,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 16:07:41,627 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-12 16:07:41,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 16:07:41,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-12 16:07:41,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-12 16:07:41,628 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) [2024-09-12 16:07:41,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 16:07:41,709 INFO L93 Difference]: Finished difference Result 27 states and 30 transitions. [2024-09-12 16:07:41,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-12 16:07:41,710 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 [2024-09-12 16:07:41,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 16:07:41,710 INFO L225 Difference]: With dead ends: 27 [2024-09-12 16:07:41,710 INFO L226 Difference]: Without dead ends: 24 [2024-09-12 16:07:41,711 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 [2024-09-12 16:07:41,712 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 [2024-09-12 16:07:41,712 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] [2024-09-12 16:07:41,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2024-09-12 16:07:41,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2024-09-12 16:07:41,720 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) [2024-09-12 16:07:41,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions. [2024-09-12 16:07:41,721 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 11 [2024-09-12 16:07:41,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 16:07:41,722 INFO L474 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions. [2024-09-12 16:07:41,722 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) [2024-09-12 16:07:41,722 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 16:07:41,723 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2024-09-12 16:07:41,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-09-12 16:07:41,723 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 16:07:41,724 INFO L216 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 16:07:41,739 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-09-12 16:07:41,927 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 [2024-09-12 16:07:41,928 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-12 16:07:41,928 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 16:07:41,928 INFO L85 PathProgramCache]: Analyzing trace with hash -810508528, now seen corresponding path program 1 times [2024-09-12 16:07:41,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 16:07:41,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230896091] [2024-09-12 16:07:41,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 16:07:41,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 16:07:41,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 16:07:42,062 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 16:07:42,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 16:07:42,075 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-12 16:07:42,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 16:07:42,089 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 16:07:42,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 16:07:42,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230896091] [2024-09-12 16:07:42,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230896091] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 16:07:42,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2097590749] [2024-09-12 16:07:42,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 16:07:42,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 16:07:42,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 16:07:42,094 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) [2024-09-12 16:07:42,096 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-12 16:07:42,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 16:07:42,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-09-12 16:07:42,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 16:07:42,208 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 16:07:42,209 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 16:07:42,294 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 16:07:42,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2097590749] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 16:07:42,294 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 16:07:42,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2024-09-12 16:07:42,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792819226] [2024-09-12 16:07:42,294 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 16:07:42,295 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-09-12 16:07:42,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 16:07:42,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-09-12 16:07:42,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-09-12 16:07:42,297 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) [2024-09-12 16:07:42,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 16:07:42,458 INFO L93 Difference]: Finished difference Result 55 states and 61 transitions. [2024-09-12 16:07:42,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-12 16:07:42,459 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 [2024-09-12 16:07:42,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 16:07:42,460 INFO L225 Difference]: With dead ends: 55 [2024-09-12 16:07:42,461 INFO L226 Difference]: Without dead ends: 48 [2024-09-12 16:07:42,462 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 [2024-09-12 16:07:42,465 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 [2024-09-12 16:07:42,465 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] [2024-09-12 16:07:42,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-09-12 16:07:42,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 44. [2024-09-12 16:07:42,478 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) [2024-09-12 16:07:42,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 50 transitions. [2024-09-12 16:07:42,479 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 50 transitions. Word has length 19 [2024-09-12 16:07:42,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 16:07:42,479 INFO L474 AbstractCegarLoop]: Abstraction has 44 states and 50 transitions. [2024-09-12 16:07:42,480 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) [2024-09-12 16:07:42,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 16:07:42,480 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 50 transitions. [2024-09-12 16:07:42,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-09-12 16:07:42,481 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 16:07:42,481 INFO L216 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 16:07:42,498 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-09-12 16:07:42,681 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 [2024-09-12 16:07:42,682 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-12 16:07:42,682 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 16:07:42,682 INFO L85 PathProgramCache]: Analyzing trace with hash -808721068, now seen corresponding path program 1 times [2024-09-12 16:07:42,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 16:07:42,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794158297] [2024-09-12 16:07:42,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 16:07:42,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 16:07:42,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-09-12 16:07:42,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1728541584] [2024-09-12 16:07:42,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 16:07:42,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 16:07:42,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 16:07:42,704 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) [2024-09-12 16:07:42,705 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-12 16:07:42,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 16:07:42,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-09-12 16:07:42,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 16:07:42,997 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 16:07:42,997 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 16:07:59,918 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 [2024-09-12 16:08:16,673 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 3 not checked. [2024-09-12 16:08:16,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 16:08:16,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794158297] [2024-09-12 16:08:16,673 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-09-12 16:08:16,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1728541584] [2024-09-12 16:08:16,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1728541584] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 16:08:16,674 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-12 16:08:16,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 12 [2024-09-12 16:08:16,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644189272] [2024-09-12 16:08:16,674 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-12 16:08:16,674 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-12 16:08:16,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 16:08:16,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-12 16:08:16,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=83, Unknown=2, NotChecked=18, Total=132 [2024-09-12 16:08:16,675 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) [2024-09-12 16:08:25,073 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 [] [2024-09-12 16:08:29,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-09-12 16:08:33,089 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-09-12 16:08:37,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-09-12 16:08:41,104 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-09-12 16:08:45,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-09-12 16:08:49,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-09-12 16:08:53,175 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 [] [2024-09-12 16:08:53,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 16:08:53,176 INFO L93 Difference]: Finished difference Result 52 states and 58 transitions. [2024-09-12 16:08:53,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-12 16:08:53,180 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 [2024-09-12 16:08:53,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 16:08:53,182 INFO L225 Difference]: With dead ends: 52 [2024-09-12 16:08:53,182 INFO L226 Difference]: Without dead ends: 47 [2024-09-12 16:08:53,182 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 [2024-09-12 16:08:53,185 INFO L434 NwaCegarLoop]: 15 mSDtfsCounter, 11 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 9 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 32.3s 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, 32.4s IncrementalHoareTripleChecker+Time [2024-09-12 16:08:53,185 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 104 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 67 Invalid, 8 Unknown, 42 Unchecked, 32.4s Time] [2024-09-12 16:08:53,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-09-12 16:08:53,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-09-12 16:08:53,204 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) [2024-09-12 16:08:53,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 48 transitions. [2024-09-12 16:08:53,206 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 48 transitions. Word has length 19 [2024-09-12 16:08:53,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 16:08:53,207 INFO L474 AbstractCegarLoop]: Abstraction has 47 states and 48 transitions. [2024-09-12 16:08:53,207 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) [2024-09-12 16:08:53,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 16:08:53,208 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2024-09-12 16:08:53,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-09-12 16:08:53,209 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 16:08:53,209 INFO L216 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 16:08:53,217 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-09-12 16:08:53,410 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 [2024-09-12 16:08:53,410 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-12 16:08:53,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 16:08:53,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1627686637, now seen corresponding path program 2 times [2024-09-12 16:08:53,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 16:08:53,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336587777] [2024-09-12 16:08:53,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 16:08:53,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 16:08:53,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 16:08:53,646 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 16:08:53,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 16:08:53,654 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-12 16:08:53,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 16:08:53,660 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-12 16:08:53,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 16:08:53,665 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-12 16:08:53,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 16:08:53,674 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-09-12 16:08:53,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 16:08:53,680 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-09-12 16:08:53,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 16:08:53,680 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336587777] [2024-09-12 16:08:53,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336587777] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 16:08:53,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1309574236] [2024-09-12 16:08:53,681 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-12 16:08:53,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 16:08:53,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 16:08:53,683 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) [2024-09-12 16:08:53,684 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-12 16:08:53,742 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-12 16:08:53,743 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 16:08:53,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-09-12 16:08:53,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 16:08:53,843 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 16:08:53,843 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 16:08:54,018 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-09-12 16:08:54,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1309574236] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 16:08:54,031 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 16:08:54,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 17 [2024-09-12 16:08:54,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665264750] [2024-09-12 16:08:54,032 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 16:08:54,032 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-09-12 16:08:54,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 16:08:54,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-09-12 16:08:54,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=174, Unknown=0, NotChecked=0, Total=272 [2024-09-12 16:08:54,033 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) [2024-09-12 16:08:54,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 16:08:54,532 INFO L93 Difference]: Finished difference Result 107 states and 113 transitions. [2024-09-12 16:08:54,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-09-12 16:08:54,532 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 [2024-09-12 16:08:54,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 16:08:54,534 INFO L225 Difference]: With dead ends: 107 [2024-09-12 16:08:54,534 INFO L226 Difference]: Without dead ends: 100 [2024-09-12 16:08:54,535 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 [2024-09-12 16:08:54,535 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 [2024-09-12 16:08:54,536 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] [2024-09-12 16:08:54,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-09-12 16:08:54,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 90. [2024-09-12 16:08:54,573 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) [2024-09-12 16:08:54,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 96 transitions. [2024-09-12 16:08:54,577 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 96 transitions. Word has length 43 [2024-09-12 16:08:54,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 16:08:54,577 INFO L474 AbstractCegarLoop]: Abstraction has 90 states and 96 transitions. [2024-09-12 16:08:54,578 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) [2024-09-12 16:08:54,578 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 16:08:54,578 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 96 transitions. [2024-09-12 16:08:54,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-09-12 16:08:54,583 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 16:08:54,583 INFO L216 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 16:08:54,599 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-09-12 16:08:54,783 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 [2024-09-12 16:08:54,784 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-12 16:08:54,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 16:08:54,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1625899177, now seen corresponding path program 2 times [2024-09-12 16:08:54,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 16:08:54,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136559143] [2024-09-12 16:08:54,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 16:08:54,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 16:08:54,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-09-12 16:08:54,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2353634] [2024-09-12 16:08:54,820 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-12 16:08:54,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 16:08:54,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 16:08:54,821 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) [2024-09-12 16:08:54,826 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-12 16:08:55,036 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-12 16:08:55,036 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 16:08:55,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-09-12 16:08:55,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 16:08:56,177 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 4 proven. 40 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-09-12 16:08:56,177 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 16:09:12,912 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 [2024-09-12 16:09:34,499 WARN L293 SmtUtils]: Spent 5.27s 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) [2024-09-12 16:09:42,567 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 [2024-09-12 16:09:54,639 WARN L293 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-09-12 16:10:10,742 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) [2024-09-12 16:10:14,761 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 [2024-09-12 16:10:34,851 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) [2024-09-12 16:10:47,282 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) [2024-09-12 16:11:00,242 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) [2024-09-12 16:11:12,262 WARN L293 SmtUtils]: Spent 12.02s on a formula simplification that was a NOOP. DAG size: 14 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-09-12 16:11:16,273 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 [2024-09-12 16:11:32,335 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) [2024-09-12 16:11:44,660 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) [2024-09-12 16:11:56,887 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) [2024-09-12 16:12:08,897 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)