./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound100.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 04d6fb36 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_unwindbound100.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 83bed6e49bdb654de8fe1de7185cbf6d5882b20900f65bc5284ec8c205f21415 --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-tmp.dk.referee-eval-04d6fb3-m [2024-09-15 19:23:35,621 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-15 19:23:35,698 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-09-15 19:23:35,704 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-15 19:23:35,705 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-15 19:23:35,735 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-15 19:23:35,736 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-15 19:23:35,736 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-15 19:23:35,737 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-15 19:23:35,738 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-15 19:23:35,739 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-15 19:23:35,739 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-15 19:23:35,742 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-15 19:23:35,742 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-15 19:23:35,742 INFO L153 SettingsManager]: * Use SBE=true [2024-09-15 19:23:35,743 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-15 19:23:35,743 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-15 19:23:35,743 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-15 19:23:35,744 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-15 19:23:35,744 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-15 19:23:35,744 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-15 19:23:35,746 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-15 19:23:35,746 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-15 19:23:35,747 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-15 19:23:35,747 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-15 19:23:35,748 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-15 19:23:35,748 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-15 19:23:35,748 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-15 19:23:35,749 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-15 19:23:35,749 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-15 19:23:35,749 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-15 19:23:35,750 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-15 19:23:35,750 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 19:23:35,751 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-15 19:23:35,751 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-15 19:23:35,751 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-15 19:23:35,760 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-15 19:23:35,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-15 19:23:35,761 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-15 19:23:35,761 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-15 19:23:35,761 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-15 19:23:35,762 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-15 19:23:35,762 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/certificate-witnesses-artifact/automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83bed6e49bdb654de8fe1de7185cbf6d5882b20900f65bc5284ec8c205f21415 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: YAML Format version -> 2.1 [2024-09-15 19:23:36,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-15 19:23:36,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-15 19:23:36,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-15 19:23:36,107 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-15 19:23:36,108 INFO L274 PluginConnector]: CDTParser initialized [2024-09-15 19:23:36,109 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound100.c [2024-09-15 19:23:37,609 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-15 19:23:37,800 INFO L384 CDTParser]: Found 1 translation units. [2024-09-15 19:23:37,801 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound100.c [2024-09-15 19:23:37,809 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/9fa551752/582a04cdd5d645eeb300009a57c1971d/FLAG07c3a5f9a [2024-09-15 19:23:37,826 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/9fa551752/582a04cdd5d645eeb300009a57c1971d [2024-09-15 19:23:37,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-15 19:23:37,830 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-09-15 19:23:37,831 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-15 19:23:37,832 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-15 19:23:37,837 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-15 19:23:37,837 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 07:23:37" (1/1) ... [2024-09-15 19:23:37,838 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@390ab1ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:23:37, skipping insertion in model container [2024-09-15 19:23:37,838 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 07:23:37" (1/1) ... [2024-09-15 19:23:37,861 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-15 19:23:38,033 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound100.c[525,538] [2024-09-15 19:23:38,055 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 19:23:38,069 INFO L200 MainTranslator]: Completed pre-run [2024-09-15 19:23:38,081 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound100.c[525,538] [2024-09-15 19:23:38,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 19:23:38,108 INFO L204 MainTranslator]: Completed translation [2024-09-15 19:23:38,108 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:23:38 WrapperNode [2024-09-15 19:23:38,108 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-15 19:23:38,109 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-15 19:23:38,110 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-15 19:23:38,110 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-15 19:23:38,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:23:38" (1/1) ... [2024-09-15 19:23:38,121 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:23:38" (1/1) ... [2024-09-15 19:23:38,127 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-09-15 19:23:38,128 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-15 19:23:38,129 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-15 19:23:38,129 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-15 19:23:38,130 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-15 19:23:38,139 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:23:38" (1/1) ... [2024-09-15 19:23:38,140 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:23:38" (1/1) ... [2024-09-15 19:23:38,144 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:23:38" (1/1) ... [2024-09-15 19:23:38,161 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]. [2024-09-15 19:23:38,162 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:23:38" (1/1) ... [2024-09-15 19:23:38,162 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:23:38" (1/1) ... [2024-09-15 19:23:38,168 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:23:38" (1/1) ... [2024-09-15 19:23:38,171 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:23:38" (1/1) ... [2024-09-15 19:23:38,175 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:23:38" (1/1) ... [2024-09-15 19:23:38,176 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:23:38" (1/1) ... [2024-09-15 19:23:38,177 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-15 19:23:38,178 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-15 19:23:38,178 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-15 19:23:38,178 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-15 19:23:38,179 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:23:38" (1/1) ... [2024-09-15 19:23:38,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 19:23:38,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-15 19:23:38,211 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) [2024-09-15 19:23:38,218 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 [2024-09-15 19:23:38,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-15 19:23:38,256 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-15 19:23:38,256 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-15 19:23:38,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-15 19:23:38,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-15 19:23:38,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-15 19:23:38,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-15 19:23:38,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-15 19:23:38,258 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-15 19:23:38,259 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-15 19:23:38,316 INFO L242 CfgBuilder]: Building ICFG [2024-09-15 19:23:38,318 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-15 19:23:38,494 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-09-15 19:23:38,494 INFO L291 CfgBuilder]: Performing block encoding [2024-09-15 19:23:38,521 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-15 19:23:38,521 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-15 19:23:38,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 07:23:38 BoogieIcfgContainer [2024-09-15 19:23:38,521 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-15 19:23:38,523 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-15 19:23:38,523 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-15 19:23:38,527 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-15 19:23:38,527 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.09 07:23:37" (1/3) ... [2024-09-15 19:23:38,528 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22ee549e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 07:23:38, skipping insertion in model container [2024-09-15 19:23:38,529 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 07:23:38" (2/3) ... [2024-09-15 19:23:38,530 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22ee549e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.09 07:23:38, skipping insertion in model container [2024-09-15 19:23:38,530 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 07:23:38" (3/3) ... [2024-09-15 19:23:38,532 INFO L112 eAbstractionObserver]: Analyzing ICFG geo3-ll_unwindbound100.c [2024-09-15 19:23:38,547 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-15 19:23:38,548 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-09-15 19:23:38,610 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-09-15 19:23:38,617 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;@f969a89, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-15 19:23:38,617 INFO L337 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-09-15 19:23:38,621 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) [2024-09-15 19:23:38,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-09-15 19:23:38,630 INFO L208 NwaCegarLoop]: Found error trace [2024-09-15 19:23:38,630 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-15 19:23:38,631 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-15 19:23:38,648 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-15 19:23:38,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1030420147, now seen corresponding path program 1 times [2024-09-15 19:23:38,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-15 19:23:38,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777114740] [2024-09-15 19:23:38,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-15 19:23:38,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-15 19:23:38,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 19:23:38,814 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-15 19:23:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 19:23:38,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-15 19:23:38,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-15 19:23:38,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777114740] [2024-09-15 19:23:38,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777114740] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-15 19:23:38,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-15 19:23:38,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-15 19:23:38,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849964594] [2024-09-15 19:23:38,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-15 19:23:38,835 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-15 19:23:38,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-15 19:23:38,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-15 19:23:38,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-15 19:23:38,860 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) [2024-09-15 19:23:38,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-15 19:23:38,925 INFO L93 Difference]: Finished difference Result 36 states and 47 transitions. [2024-09-15 19:23:38,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-15 19:23:38,928 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 [2024-09-15 19:23:38,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-15 19:23:38,934 INFO L225 Difference]: With dead ends: 36 [2024-09-15 19:23:38,934 INFO L226 Difference]: Without dead ends: 17 [2024-09-15 19:23:38,938 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 [2024-09-15 19:23:38,943 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 [2024-09-15 19:23:38,947 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] [2024-09-15 19:23:38,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2024-09-15 19:23:38,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 16. [2024-09-15 19:23:38,983 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) [2024-09-15 19:23:38,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 18 transitions. [2024-09-15 19:23:38,986 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 18 transitions. Word has length 10 [2024-09-15 19:23:38,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-15 19:23:38,987 INFO L474 AbstractCegarLoop]: Abstraction has 16 states and 18 transitions. [2024-09-15 19:23:38,987 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) [2024-09-15 19:23:38,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-15 19:23:38,988 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-09-15 19:23:38,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-09-15 19:23:38,989 INFO L208 NwaCegarLoop]: Found error trace [2024-09-15 19:23:38,989 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-15 19:23:38,990 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-15 19:23:38,990 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-15 19:23:38,990 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-15 19:23:38,991 INFO L85 PathProgramCache]: Analyzing trace with hash 2015485711, now seen corresponding path program 1 times [2024-09-15 19:23:38,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-15 19:23:38,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037543798] [2024-09-15 19:23:38,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-15 19:23:38,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-15 19:23:39,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 19:23:39,176 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-15 19:23:39,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 19:23:39,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-15 19:23:39,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-15 19:23:39,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037543798] [2024-09-15 19:23:39,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037543798] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-15 19:23:39,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-15 19:23:39,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-15 19:23:39,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258219360] [2024-09-15 19:23:39,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-15 19:23:39,195 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-15 19:23:39,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-15 19:23:39,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-15 19:23:39,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-15 19:23:39,197 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) [2024-09-15 19:23:39,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-15 19:23:39,263 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2024-09-15 19:23:39,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-15 19:23:39,263 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 [2024-09-15 19:23:39,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-15 19:23:39,264 INFO L225 Difference]: With dead ends: 25 [2024-09-15 19:23:39,265 INFO L226 Difference]: Without dead ends: 18 [2024-09-15 19:23:39,265 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 [2024-09-15 19:23:39,268 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 [2024-09-15 19:23:39,269 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] [2024-09-15 19:23:39,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2024-09-15 19:23:39,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2024-09-15 19:23:39,277 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) [2024-09-15 19:23:39,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2024-09-15 19:23:39,278 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 11 [2024-09-15 19:23:39,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-15 19:23:39,279 INFO L474 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2024-09-15 19:23:39,279 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) [2024-09-15 19:23:39,279 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-15 19:23:39,280 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2024-09-15 19:23:39,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-09-15 19:23:39,281 INFO L208 NwaCegarLoop]: Found error trace [2024-09-15 19:23:39,281 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-15 19:23:39,281 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-15 19:23:39,282 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-15 19:23:39,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-15 19:23:39,283 INFO L85 PathProgramCache]: Analyzing trace with hash 2017273171, now seen corresponding path program 1 times [2024-09-15 19:23:39,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-15 19:23:39,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026334328] [2024-09-15 19:23:39,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-15 19:23:39,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-15 19:23:39,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-09-15 19:23:39,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [985956186] [2024-09-15 19:23:39,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-15 19:23:39,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-15 19:23:39,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-15 19:23:39,307 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) [2024-09-15 19:23:39,309 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-09-15 19:23:39,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 19:23:39,361 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-09-15 19:23:39,366 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-15 19:23:39,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-15 19:23:39,500 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-15 19:23:39,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-15 19:23:39,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026334328] [2024-09-15 19:23:39,501 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-09-15 19:23:39,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [985956186] [2024-09-15 19:23:39,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [985956186] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-15 19:23:39,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-15 19:23:39,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-15 19:23:39,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273220170] [2024-09-15 19:23:39,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-15 19:23:39,502 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-15 19:23:39,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-15 19:23:39,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-15 19:23:39,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-15 19:23:39,505 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) [2024-09-15 19:23:39,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-15 19:23:39,582 INFO L93 Difference]: Finished difference Result 27 states and 30 transitions. [2024-09-15 19:23:39,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-15 19:23:39,582 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 [2024-09-15 19:23:39,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-15 19:23:39,583 INFO L225 Difference]: With dead ends: 27 [2024-09-15 19:23:39,583 INFO L226 Difference]: Without dead ends: 24 [2024-09-15 19:23:39,583 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 [2024-09-15 19:23:39,584 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 [2024-09-15 19:23:39,585 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] [2024-09-15 19:23:39,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2024-09-15 19:23:39,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2024-09-15 19:23:39,600 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) [2024-09-15 19:23:39,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions. [2024-09-15 19:23:39,601 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 11 [2024-09-15 19:23:39,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-15 19:23:39,601 INFO L474 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions. [2024-09-15 19:23:39,601 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) [2024-09-15 19:23:39,602 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-15 19:23:39,602 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2024-09-15 19:23:39,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-09-15 19:23:39,605 INFO L208 NwaCegarLoop]: Found error trace [2024-09-15 19:23:39,605 INFO L216 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-15 19:23:39,623 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-09-15 19:23:39,805 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 [2024-09-15 19:23:39,806 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-15 19:23:39,806 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-15 19:23:39,806 INFO L85 PathProgramCache]: Analyzing trace with hash -810508528, now seen corresponding path program 1 times [2024-09-15 19:23:39,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-15 19:23:39,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948183772] [2024-09-15 19:23:39,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-15 19:23:39,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-15 19:23:39,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 19:23:40,020 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-15 19:23:40,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 19:23:40,034 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-15 19:23:40,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 19:23:40,045 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-15 19:23:40,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-15 19:23:40,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948183772] [2024-09-15 19:23:40,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948183772] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-15 19:23:40,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1228152307] [2024-09-15 19:23:40,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-15 19:23:40,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-15 19:23:40,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-15 19:23:40,049 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) [2024-09-15 19:23:40,054 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-09-15 19:23:40,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 19:23:40,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-09-15 19:23:40,113 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-15 19:23:40,175 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-15 19:23:40,176 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-15 19:23:40,250 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-15 19:23:40,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1228152307] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-15 19:23:40,250 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-15 19:23:40,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2024-09-15 19:23:40,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483326708] [2024-09-15 19:23:40,251 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-15 19:23:40,251 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-09-15 19:23:40,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-15 19:23:40,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-09-15 19:23:40,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-09-15 19:23:40,252 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) [2024-09-15 19:23:40,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-15 19:23:40,411 INFO L93 Difference]: Finished difference Result 55 states and 61 transitions. [2024-09-15 19:23:40,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-15 19:23:40,412 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 [2024-09-15 19:23:40,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-15 19:23:40,413 INFO L225 Difference]: With dead ends: 55 [2024-09-15 19:23:40,413 INFO L226 Difference]: Without dead ends: 48 [2024-09-15 19:23:40,414 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 [2024-09-15 19:23:40,415 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 [2024-09-15 19:23:40,416 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] [2024-09-15 19:23:40,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-09-15 19:23:40,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 44. [2024-09-15 19:23:40,426 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) [2024-09-15 19:23:40,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 50 transitions. [2024-09-15 19:23:40,427 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 50 transitions. Word has length 19 [2024-09-15 19:23:40,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-15 19:23:40,427 INFO L474 AbstractCegarLoop]: Abstraction has 44 states and 50 transitions. [2024-09-15 19:23:40,428 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) [2024-09-15 19:23:40,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-15 19:23:40,428 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 50 transitions. [2024-09-15 19:23:40,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-09-15 19:23:40,429 INFO L208 NwaCegarLoop]: Found error trace [2024-09-15 19:23:40,429 INFO L216 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-15 19:23:40,446 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-09-15 19:23:40,629 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 [2024-09-15 19:23:40,630 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-15 19:23:40,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-15 19:23:40,631 INFO L85 PathProgramCache]: Analyzing trace with hash -808721068, now seen corresponding path program 1 times [2024-09-15 19:23:40,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-15 19:23:40,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642634220] [2024-09-15 19:23:40,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-15 19:23:40,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-15 19:23:40,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-09-15 19:23:40,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [494856476] [2024-09-15 19:23:40,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-15 19:23:40,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-15 19:23:40,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-15 19:23:40,655 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) [2024-09-15 19:23:40,658 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-09-15 19:23:40,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 19:23:40,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-09-15 19:23:40,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-15 19:23:41,000 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-15 19:23:41,002 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-15 19:23:57,514 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 [2024-09-15 19:24:14,616 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 3 not checked. [2024-09-15 19:24:14,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-15 19:24:14,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642634220] [2024-09-15 19:24:14,617 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-09-15 19:24:14,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494856476] [2024-09-15 19:24:14,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [494856476] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-15 19:24:14,617 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-15 19:24:14,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9] total 12 [2024-09-15 19:24:14,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868888492] [2024-09-15 19:24:14,618 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-15 19:24:14,618 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-15 19:24:14,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-15 19:24:14,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-15 19:24:14,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=83, Unknown=2, NotChecked=18, Total=132 [2024-09-15 19:24:14,621 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) [2024-09-15 19:24:23,107 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 [] [2024-09-15 19:24:27,118 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-09-15 19:24:31,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-09-15 19:24:35,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-09-15 19:24:39,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-09-15 19:24:43,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-09-15 19:24:47,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2024-09-15 19:24:51,174 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 [] [2024-09-15 19:24:51,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-15 19:24:51,175 INFO L93 Difference]: Finished difference Result 52 states and 58 transitions. [2024-09-15 19:24:51,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-15 19:24:51,181 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 [2024-09-15 19:24:51,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-15 19:24:51,183 INFO L225 Difference]: With dead ends: 52 [2024-09-15 19:24:51,183 INFO L226 Difference]: Without dead ends: 47 [2024-09-15 19:24:51,184 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 25 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 12.5s TimeCoverageRelationStatistics Valid=42, Invalid=116, Unknown=2, NotChecked=22, Total=182 [2024-09-15 19:24:51,185 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, 32.3s IncrementalHoareTripleChecker+Time [2024-09-15 19:24:51,185 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 104 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 67 Invalid, 8 Unknown, 42 Unchecked, 32.3s Time] [2024-09-15 19:24:51,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-09-15 19:24:51,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-09-15 19:24:51,204 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) [2024-09-15 19:24:51,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 48 transitions. [2024-09-15 19:24:51,207 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 48 transitions. Word has length 19 [2024-09-15 19:24:51,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-15 19:24:51,207 INFO L474 AbstractCegarLoop]: Abstraction has 47 states and 48 transitions. [2024-09-15 19:24:51,207 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) [2024-09-15 19:24:51,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-15 19:24:51,208 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2024-09-15 19:24:51,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-09-15 19:24:51,209 INFO L208 NwaCegarLoop]: Found error trace [2024-09-15 19:24:51,209 INFO L216 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-15 19:24:51,218 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-09-15 19:24:51,414 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 [2024-09-15 19:24:51,415 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-15 19:24:51,416 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-15 19:24:51,417 INFO L85 PathProgramCache]: Analyzing trace with hash -1627686637, now seen corresponding path program 2 times [2024-09-15 19:24:51,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-15 19:24:51,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504868874] [2024-09-15 19:24:51,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-15 19:24:51,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-15 19:24:51,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 19:24:51,689 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-15 19:24:51,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 19:24:51,699 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-09-15 19:24:51,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 19:24:51,705 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-09-15 19:24:51,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 19:24:51,714 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-09-15 19:24:51,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 19:24:51,723 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-09-15 19:24:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-15 19:24:51,729 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-09-15 19:24:51,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-15 19:24:51,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504868874] [2024-09-15 19:24:51,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504868874] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-15 19:24:51,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [105327324] [2024-09-15 19:24:51,730 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-15 19:24:51,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-15 19:24:51,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-15 19:24:51,732 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) [2024-09-15 19:24:51,733 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-09-15 19:24:51,796 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-15 19:24:51,796 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-15 19:24:51,797 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-09-15 19:24:51,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-15 19:24:51,876 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-15 19:24:51,877 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-15 19:24:52,024 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 8 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-09-15 19:24:52,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [105327324] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-15 19:24:52,027 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-15 19:24:52,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 17 [2024-09-15 19:24:52,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124749132] [2024-09-15 19:24:52,027 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-15 19:24:52,028 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-09-15 19:24:52,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-15 19:24:52,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-09-15 19:24:52,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=174, Unknown=0, NotChecked=0, Total=272 [2024-09-15 19:24:52,031 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) [2024-09-15 19:24:52,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-15 19:24:52,453 INFO L93 Difference]: Finished difference Result 107 states and 113 transitions. [2024-09-15 19:24:52,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-09-15 19:24:52,454 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 [2024-09-15 19:24:52,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-15 19:24:52,456 INFO L225 Difference]: With dead ends: 107 [2024-09-15 19:24:52,457 INFO L226 Difference]: Without dead ends: 100 [2024-09-15 19:24:52,458 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=329, Invalid=861, Unknown=0, NotChecked=0, Total=1190 [2024-09-15 19:24:52,459 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 [2024-09-15 19:24:52,459 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] [2024-09-15 19:24:52,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2024-09-15 19:24:52,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 90. [2024-09-15 19:24:52,486 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) [2024-09-15 19:24:52,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 96 transitions. [2024-09-15 19:24:52,491 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 96 transitions. Word has length 43 [2024-09-15 19:24:52,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-15 19:24:52,491 INFO L474 AbstractCegarLoop]: Abstraction has 90 states and 96 transitions. [2024-09-15 19:24:52,492 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) [2024-09-15 19:24:52,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-15 19:24:52,493 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 96 transitions. [2024-09-15 19:24:52,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-09-15 19:24:52,494 INFO L208 NwaCegarLoop]: Found error trace [2024-09-15 19:24:52,495 INFO L216 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2024-09-15 19:24:52,513 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-09-15 19:24:52,698 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 [2024-09-15 19:24:52,699 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-09-15 19:24:52,699 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-15 19:24:52,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1625899177, now seen corresponding path program 2 times [2024-09-15 19:24:52,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-15 19:24:52,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925483782] [2024-09-15 19:24:52,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-15 19:24:52,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-15 19:24:52,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-09-15 19:24:52,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1801966341] [2024-09-15 19:24:52,751 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-15 19:24:52,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-15 19:24:52,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-15 19:24:52,753 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) [2024-09-15 19:24:52,755 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-09-15 19:24:52,979 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-15 19:24:52,979 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-15 19:24:52,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-09-15 19:24:52,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-15 19:24:54,251 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 4 proven. 40 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-09-15 19:24:54,251 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-15 19:25:11,020 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 [2024-09-15 19:25:39,570 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 [2024-09-15 19:25:51,622 WARN L293 SmtUtils]: Spent 12.03s 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) [2024-09-15 19:26:07,662 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) [2024-09-15 19:26:11,678 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 [2024-09-15 19:26:31,765 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) [2024-09-15 19:26:43,796 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) [2024-09-15 19:26:55,852 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) [2024-09-15 19:27:07,866 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) [2024-09-15 19:27:13,616 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 [2024-09-15 19:27:29,714 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) [2024-09-15 19:27:42,487 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) [2024-09-15 19:27:54,561 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) [2024-09-15 19:28:06,590 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)