./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound2.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 --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --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/cohendiv-ll_valuebound2.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 95c338a7a91abcfb8302c7314ea1de7bdde280884a10e8d539233a34032b9a5d --procedureinliner.inline.calls.to.implemented.procedures NEVER --traceabstraction.positions.where.we.compute.the.hoare.annotation All --witnessprinter.yaml.format.version 2.1 --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-12 18:39:46,192 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 18:39:46,278 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-09-12 18:39:46,285 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 18:39:46,286 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 18:39:46,308 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 18:39:46,309 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 18:39:46,309 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 18:39:46,310 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 18:39:46,311 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 18:39:46,312 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 18:39:46,312 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 18:39:46,313 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 18:39:46,313 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 18:39:46,313 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 18:39:46,316 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 18:39:46,317 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 18:39:46,317 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 18:39:46,317 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 18:39:46,317 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 18:39:46,317 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 18:39:46,318 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 18:39:46,318 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 18:39:46,318 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 18:39:46,319 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 18:39:46,319 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 18:39:46,319 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 18:39:46,319 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 18:39:46,320 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 18:39:46,320 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 18:39:46,320 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 18:39:46,320 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 18:39:46,320 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 18:39:46,321 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 18:39:46,321 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 18:39:46,322 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 18:39:46,324 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 18:39:46,324 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 18:39:46,324 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 18:39:46,324 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 18:39:46,324 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 18:39:46,325 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 18:39:46,325 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/certificate-witnesses-artifact/automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95c338a7a91abcfb8302c7314ea1de7bdde280884a10e8d539233a34032b9a5d Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: YAML Format version -> 2.1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2024-09-12 18:39:46,648 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 18:39:46,671 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 18:39:46,674 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 18:39:46,675 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 18:39:46,675 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 18:39:46,676 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound2.c [2024-09-12 18:39:48,174 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 18:39:48,362 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 18:39:48,363 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound2.c [2024-09-12 18:39:48,370 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/9edbaa71a/a475c44f985c485f8b7c5a8cbb4621a4/FLAG955fd856d [2024-09-12 18:39:48,386 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/9edbaa71a/a475c44f985c485f8b7c5a8cbb4621a4 [2024-09-12 18:39:48,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 18:39:48,390 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-09-12 18:39:48,392 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 18:39:48,393 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 18:39:48,398 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 18:39:48,398 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 06:39:48" (1/1) ... [2024-09-12 18:39:48,399 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69192995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 06:39:48, skipping insertion in model container [2024-09-12 18:39:48,400 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 06:39:48" (1/1) ... [2024-09-12 18:39:48,418 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 18:39:48,585 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/cohendiv-ll_valuebound2.c[576,589] [2024-09-12 18:39:48,609 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 18:39:48,623 INFO L200 MainTranslator]: Completed pre-run [2024-09-12 18:39:48,634 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/cohendiv-ll_valuebound2.c[576,589] [2024-09-12 18:39:48,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 18:39:48,685 INFO L204 MainTranslator]: Completed translation [2024-09-12 18:39:48,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 06:39:48 WrapperNode [2024-09-12 18:39:48,686 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 18:39:48,687 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-12 18:39:48,688 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-12 18:39:48,688 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-12 18:39:48,694 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 06:39:48" (1/1) ... [2024-09-12 18:39:48,705 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 06:39:48" (1/1) ... [2024-09-12 18:39:48,711 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-09-12 18:39:48,715 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-12 18:39:48,716 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 18:39:48,716 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 18:39:48,716 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 18:39:48,727 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 06:39:48" (1/1) ... [2024-09-12 18:39:48,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 06:39:48" (1/1) ... [2024-09-12 18:39:48,729 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 06:39:48" (1/1) ... [2024-09-12 18:39:48,745 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 18:39:48,747 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 06:39:48" (1/1) ... [2024-09-12 18:39:48,747 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 06:39:48" (1/1) ... [2024-09-12 18:39:48,751 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 06:39:48" (1/1) ... [2024-09-12 18:39:48,757 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 06:39:48" (1/1) ... [2024-09-12 18:39:48,759 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 06:39:48" (1/1) ... [2024-09-12 18:39:48,761 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 06:39:48" (1/1) ... [2024-09-12 18:39:48,763 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 18:39:48,767 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 18:39:48,767 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 18:39:48,767 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 18:39:48,768 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 06:39:48" (1/1) ... [2024-09-12 18:39:48,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 18:39:48,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 18:39:48,798 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 18:39:48,800 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 18:39:48,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 18:39:48,844 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 18:39:48,844 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 18:39:48,844 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 18:39:48,844 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 18:39:48,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-12 18:39:48,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 18:39:48,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 18:39:48,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 18:39:48,847 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 18:39:48,847 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 18:39:48,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 18:39:48,910 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 18:39:48,912 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 18:39:49,260 INFO L? ?]: Removed 62 outVars from TransFormulas that were not future-live. [2024-09-12 18:39:49,261 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 18:39:49,301 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 18:39:49,301 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-12 18:39:49,302 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 06:39:49 BoogieIcfgContainer [2024-09-12 18:39:49,302 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 18:39:49,306 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-12 18:39:49,306 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-12 18:39:49,310 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-12 18:39:49,311 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.09 06:39:48" (1/3) ... [2024-09-12 18:39:49,312 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fe71838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.09 06:39:49, skipping insertion in model container [2024-09-12 18:39:49,312 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 06:39:48" (2/3) ... [2024-09-12 18:39:49,313 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fe71838 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.09 06:39:49, skipping insertion in model container [2024-09-12 18:39:49,314 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 06:39:49" (3/3) ... [2024-09-12 18:39:49,315 INFO L112 eAbstractionObserver]: Analyzing ICFG cohendiv-ll_valuebound2.c [2024-09-12 18:39:49,332 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-12 18:39:49,332 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 31 error locations. [2024-09-12 18:39:49,392 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-09-12 18:39:49,399 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;@20d5c9b2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-12 18:39:49,400 INFO L337 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2024-09-12 18:39:49,404 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 47 states have (on average 1.8297872340425532) internal successors, (86), 78 states have internal predecessors, (86), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-09-12 18:39:49,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-09-12 18:39:49,412 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:39:49,413 INFO L216 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:39:49,413 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2024-09-12 18:39:49,418 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:39:49,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1804295604, now seen corresponding path program 1 times [2024-09-12 18:39:49,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:39:49,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625182685] [2024-09-12 18:39:49,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:39:49,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:39:49,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:49,560 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:39:49,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:49,575 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 18:39:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:49,585 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-09-12 18:39:49,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:49,595 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-09-12 18:39:49,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:49,607 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-09-12 18:39:49,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:39:49,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625182685] [2024-09-12 18:39:49,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625182685] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:39:49,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 18:39:49,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-12 18:39:49,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096959046] [2024-09-12 18:39:49,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:39:49,615 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-09-12 18:39:49,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:39:49,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-09-12 18:39:49,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-09-12 18:39:49,635 INFO L87 Difference]: Start difference. First operand has 95 states, 47 states have (on average 1.8297872340425532) internal successors, (86), 78 states have internal predecessors, (86), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-09-12 18:39:49,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:39:49,679 INFO L93 Difference]: Finished difference Result 184 states and 223 transitions. [2024-09-12 18:39:49,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-09-12 18:39:49,682 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 24 [2024-09-12 18:39:49,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:39:49,690 INFO L225 Difference]: With dead ends: 184 [2024-09-12 18:39:49,690 INFO L226 Difference]: Without dead ends: 91 [2024-09-12 18:39:49,694 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-09-12 18:39:49,698 INFO L434 NwaCegarLoop]: 102 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-12 18:39:49,700 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 102 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-12 18:39:49,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-09-12 18:39:49,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2024-09-12 18:39:49,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 45 states have (on average 1.7333333333333334) internal successors, (78), 76 states have internal predecessors, (78), 12 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-09-12 18:39:49,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 100 transitions. [2024-09-12 18:39:49,752 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 100 transitions. Word has length 24 [2024-09-12 18:39:49,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:39:49,752 INFO L474 AbstractCegarLoop]: Abstraction has 91 states and 100 transitions. [2024-09-12 18:39:49,753 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-09-12 18:39:49,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:39:49,754 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 100 transitions. [2024-09-12 18:39:49,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-09-12 18:39:49,755 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:39:49,755 INFO L216 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:39:49,756 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-12 18:39:49,756 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2024-09-12 18:39:49,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:39:49,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1660646649, now seen corresponding path program 1 times [2024-09-12 18:39:49,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:39:49,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134322222] [2024-09-12 18:39:49,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:39:49,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:39:49,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-09-12 18:39:49,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1493010644] [2024-09-12 18:39:49,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:39:49,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 18:39:49,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 18:39:49,790 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 18:39:49,792 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 18:39:49,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:49,865 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-09-12 18:39:49,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 18:39:49,898 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-09-12 18:39:49,899 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-12 18:39:49,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:39:49,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134322222] [2024-09-12 18:39:49,901 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-09-12 18:39:49,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1493010644] [2024-09-12 18:39:49,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1493010644] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:39:49,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 18:39:49,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-12 18:39:49,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384787422] [2024-09-12 18:39:49,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:39:49,905 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-12 18:39:49,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:39:49,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-12 18:39:49,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-12 18:39:49,908 INFO L87 Difference]: Start difference. First operand 91 states and 100 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-09-12 18:39:50,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:39:50,029 INFO L93 Difference]: Finished difference Result 116 states and 128 transitions. [2024-09-12 18:39:50,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-12 18:39:50,029 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 24 [2024-09-12 18:39:50,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:39:50,033 INFO L225 Difference]: With dead ends: 116 [2024-09-12 18:39:50,035 INFO L226 Difference]: Without dead ends: 114 [2024-09-12 18:39:50,036 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 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 18:39:50,037 INFO L434 NwaCegarLoop]: 97 mSDtfsCounter, 19 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 18:39:50,037 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 173 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 18:39:50,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-09-12 18:39:50,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 94. [2024-09-12 18:39:50,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 48 states have (on average 1.6875) internal successors, (81), 79 states have internal predecessors, (81), 12 states have call successors, (12), 4 states have call predecessors, (12), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-09-12 18:39:50,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 103 transitions. [2024-09-12 18:39:50,067 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 103 transitions. Word has length 24 [2024-09-12 18:39:50,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:39:50,068 INFO L474 AbstractCegarLoop]: Abstraction has 94 states and 103 transitions. [2024-09-12 18:39:50,068 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-09-12 18:39:50,070 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:39:50,071 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 103 transitions. [2024-09-12 18:39:50,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-09-12 18:39:50,072 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:39:50,072 INFO L216 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:39:50,090 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 18:39:50,277 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 18:39:50,279 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2024-09-12 18:39:50,279 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:39:50,280 INFO L85 PathProgramCache]: Analyzing trace with hash -526366062, now seen corresponding path program 1 times [2024-09-12 18:39:50,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:39:50,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099393276] [2024-09-12 18:39:50,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:39:50,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:39:50,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-09-12 18:39:50,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1412886193] [2024-09-12 18:39:50,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:39:50,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 18:39:50,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 18:39:50,320 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 18:39:50,322 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 18:39:50,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:50,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-09-12 18:39:50,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 18:39:50,460 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-09-12 18:39:50,461 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-12 18:39:50,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:39:50,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099393276] [2024-09-12 18:39:50,462 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-09-12 18:39:50,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1412886193] [2024-09-12 18:39:50,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1412886193] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:39:50,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 18:39:50,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-12 18:39:50,463 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210187066] [2024-09-12 18:39:50,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:39:50,464 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-12 18:39:50,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:39:50,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-12 18:39:50,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-12 18:39:50,466 INFO L87 Difference]: Start difference. First operand 94 states and 103 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-09-12 18:39:50,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:39:50,635 INFO L93 Difference]: Finished difference Result 120 states and 131 transitions. [2024-09-12 18:39:50,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-12 18:39:50,636 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 29 [2024-09-12 18:39:50,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:39:50,638 INFO L225 Difference]: With dead ends: 120 [2024-09-12 18:39:50,638 INFO L226 Difference]: Without dead ends: 118 [2024-09-12 18:39:50,638 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 25 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 18:39:50,639 INFO L434 NwaCegarLoop]: 94 mSDtfsCounter, 20 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 18:39:50,639 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 335 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 18:39:50,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-09-12 18:39:50,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 99. [2024-09-12 18:39:50,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 51 states have (on average 1.6470588235294117) internal successors, (84), 83 states have internal predecessors, (84), 13 states have call successors, (13), 5 states have call predecessors, (13), 4 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2024-09-12 18:39:50,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 108 transitions. [2024-09-12 18:39:50,650 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 108 transitions. Word has length 29 [2024-09-12 18:39:50,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:39:50,651 INFO L474 AbstractCegarLoop]: Abstraction has 99 states and 108 transitions. [2024-09-12 18:39:50,651 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-09-12 18:39:50,652 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:39:50,652 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 108 transitions. [2024-09-12 18:39:50,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-09-12 18:39:50,653 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:39:50,653 INFO L216 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:39:50,669 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-09-12 18:39:50,857 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 18:39:50,858 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2024-09-12 18:39:50,858 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:39:50,858 INFO L85 PathProgramCache]: Analyzing trace with hash 968513603, now seen corresponding path program 1 times [2024-09-12 18:39:50,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:39:50,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800313050] [2024-09-12 18:39:50,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:39:50,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:39:50,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-09-12 18:39:50,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1984882212] [2024-09-12 18:39:50,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:39:50,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 18:39:50,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 18:39:50,891 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 18:39:50,893 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 18:39:50,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:50,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-09-12 18:39:50,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 18:39:50,946 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-09-12 18:39:50,946 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-12 18:39:50,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:39:50,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800313050] [2024-09-12 18:39:50,946 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-09-12 18:39:50,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1984882212] [2024-09-12 18:39:50,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1984882212] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:39:50,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 18:39:50,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-12 18:39:50,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890103803] [2024-09-12 18:39:50,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:39:50,948 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-12 18:39:50,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:39:50,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-12 18:39:50,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-12 18:39:50,949 INFO L87 Difference]: Start difference. First operand 99 states and 108 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-09-12 18:39:51,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:39:51,073 INFO L93 Difference]: Finished difference Result 156 states and 180 transitions. [2024-09-12 18:39:51,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-12 18:39:51,075 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 31 [2024-09-12 18:39:51,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:39:51,077 INFO L225 Difference]: With dead ends: 156 [2024-09-12 18:39:51,077 INFO L226 Difference]: Without dead ends: 150 [2024-09-12 18:39:51,078 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 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 18:39:51,078 INFO L434 NwaCegarLoop]: 77 mSDtfsCounter, 46 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 18:39:51,079 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 146 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 18:39:51,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-09-12 18:39:51,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 129. [2024-09-12 18:39:51,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 76 states have (on average 1.6710526315789473) internal successors, (127), 107 states have internal predecessors, (127), 18 states have call successors, (18), 5 states have call predecessors, (18), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-09-12 18:39:51,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 161 transitions. [2024-09-12 18:39:51,102 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 161 transitions. Word has length 31 [2024-09-12 18:39:51,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:39:51,102 INFO L474 AbstractCegarLoop]: Abstraction has 129 states and 161 transitions. [2024-09-12 18:39:51,102 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-09-12 18:39:51,103 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:39:51,103 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 161 transitions. [2024-09-12 18:39:51,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-09-12 18:39:51,104 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:39:51,104 INFO L216 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:39:51,120 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-09-12 18:39:51,308 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 18:39:51,309 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2024-09-12 18:39:51,309 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:39:51,310 INFO L85 PathProgramCache]: Analyzing trace with hash -1266328635, now seen corresponding path program 1 times [2024-09-12 18:39:51,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:39:51,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369509638] [2024-09-12 18:39:51,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:39:51,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:39:51,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:51,585 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:39:51,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:51,590 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 18:39:51,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:51,638 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-09-12 18:39:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:51,647 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-09-12 18:39:51,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:51,661 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-09-12 18:39:51,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:51,672 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-09-12 18:39:51,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:39:51,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369509638] [2024-09-12 18:39:51,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369509638] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 18:39:51,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [281212169] [2024-09-12 18:39:51,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:39:51,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 18:39:51,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 18:39:51,690 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 18:39:51,692 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 18:39:51,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:51,740 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-09-12 18:39:51,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 18:39:51,836 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-09-12 18:39:51,836 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-12 18:39:51,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [281212169] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:39:51,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-12 18:39:51,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-09-12 18:39:51,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161370955] [2024-09-12 18:39:51,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:39:51,838 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-12 18:39:51,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:39:51,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-12 18:39:51,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-09-12 18:39:51,841 INFO L87 Difference]: Start difference. First operand 129 states and 161 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-09-12 18:39:52,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:39:52,007 INFO L93 Difference]: Finished difference Result 149 states and 170 transitions. [2024-09-12 18:39:52,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-12 18:39:52,007 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 33 [2024-09-12 18:39:52,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:39:52,009 INFO L225 Difference]: With dead ends: 149 [2024-09-12 18:39:52,009 INFO L226 Difference]: Without dead ends: 146 [2024-09-12 18:39:52,009 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-09-12 18:39:52,011 INFO L434 NwaCegarLoop]: 75 mSDtfsCounter, 158 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 18:39:52,014 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 157 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 18:39:52,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-09-12 18:39:52,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 130. [2024-09-12 18:39:52,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 77 states have (on average 1.6363636363636365) internal successors, (126), 108 states have internal predecessors, (126), 18 states have call successors, (18), 5 states have call predecessors, (18), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-09-12 18:39:52,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 160 transitions. [2024-09-12 18:39:52,052 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 160 transitions. Word has length 33 [2024-09-12 18:39:52,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:39:52,053 INFO L474 AbstractCegarLoop]: Abstraction has 130 states and 160 transitions. [2024-09-12 18:39:52,053 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-09-12 18:39:52,053 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:39:52,053 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 160 transitions. [2024-09-12 18:39:52,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-09-12 18:39:52,057 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:39:52,057 INFO L216 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:39:52,075 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 18:39:52,258 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 18:39:52,258 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2024-09-12 18:39:52,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:39:52,259 INFO L85 PathProgramCache]: Analyzing trace with hash -601481951, now seen corresponding path program 1 times [2024-09-12 18:39:52,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:39:52,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124271915] [2024-09-12 18:39:52,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:39:52,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:39:52,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-09-12 18:39:52,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1468956971] [2024-09-12 18:39:52,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:39:52,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 18:39:52,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 18:39:52,277 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 18:39:52,281 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 18:39:52,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:52,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-09-12 18:39:52,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 18:39:52,397 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-09-12 18:39:52,397 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-12 18:39:52,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:39:52,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124271915] [2024-09-12 18:39:52,398 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-09-12 18:39:52,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468956971] [2024-09-12 18:39:52,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1468956971] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:39:52,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 18:39:52,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-12 18:39:52,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030565509] [2024-09-12 18:39:52,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:39:52,399 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-12 18:39:52,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:39:52,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-12 18:39:52,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-12 18:39:52,400 INFO L87 Difference]: Start difference. First operand 130 states and 160 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-09-12 18:39:52,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:39:52,637 INFO L93 Difference]: Finished difference Result 149 states and 167 transitions. [2024-09-12 18:39:52,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-12 18:39:52,638 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 34 [2024-09-12 18:39:52,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:39:52,640 INFO L225 Difference]: With dead ends: 149 [2024-09-12 18:39:52,640 INFO L226 Difference]: Without dead ends: 146 [2024-09-12 18:39:52,641 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-09-12 18:39:52,642 INFO L434 NwaCegarLoop]: 78 mSDtfsCounter, 154 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-12 18:39:52,643 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 160 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-12 18:39:52,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-09-12 18:39:52,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 131. [2024-09-12 18:39:52,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 78 states have (on average 1.6025641025641026) internal successors, (125), 109 states have internal predecessors, (125), 18 states have call successors, (18), 5 states have call predecessors, (18), 4 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-09-12 18:39:52,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 159 transitions. [2024-09-12 18:39:52,675 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 159 transitions. Word has length 34 [2024-09-12 18:39:52,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:39:52,676 INFO L474 AbstractCegarLoop]: Abstraction has 131 states and 159 transitions. [2024-09-12 18:39:52,676 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-09-12 18:39:52,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:39:52,676 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 159 transitions. [2024-09-12 18:39:52,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-09-12 18:39:52,677 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:39:52,677 INFO L216 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:39:52,697 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-09-12 18:39:52,878 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-09-12 18:39:52,878 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2024-09-12 18:39:52,879 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:39:52,879 INFO L85 PathProgramCache]: Analyzing trace with hash -202211443, now seen corresponding path program 1 times [2024-09-12 18:39:52,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:39:52,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815552060] [2024-09-12 18:39:52,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:39:52,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:39:52,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-09-12 18:39:52,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [447889451] [2024-09-12 18:39:52,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:39:52,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 18:39:52,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 18:39:52,892 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 18:39:52,894 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-09-12 18:39:52,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:52,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-09-12 18:39:52,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 18:39:53,004 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-09-12 18:39:53,005 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-12 18:39:53,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:39:53,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815552060] [2024-09-12 18:39:53,005 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-09-12 18:39:53,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [447889451] [2024-09-12 18:39:53,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [447889451] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:39:53,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 18:39:53,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-12 18:39:53,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580702985] [2024-09-12 18:39:53,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:39:53,007 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-12 18:39:53,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:39:53,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-12 18:39:53,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-12 18:39:53,008 INFO L87 Difference]: Start difference. First operand 131 states and 159 transitions. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-09-12 18:39:53,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:39:53,214 INFO L93 Difference]: Finished difference Result 152 states and 169 transitions. [2024-09-12 18:39:53,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-12 18:39:53,215 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 38 [2024-09-12 18:39:53,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:39:53,216 INFO L225 Difference]: With dead ends: 152 [2024-09-12 18:39:53,216 INFO L226 Difference]: Without dead ends: 145 [2024-09-12 18:39:53,216 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 34 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 18:39:53,217 INFO L434 NwaCegarLoop]: 78 mSDtfsCounter, 41 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 284 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-12 18:39:53,217 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 284 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-12 18:39:53,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-09-12 18:39:53,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 131. [2024-09-12 18:39:53,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 77 states have (on average 1.5974025974025974) internal successors, (123), 108 states have internal predecessors, (123), 18 states have call successors, (18), 6 states have call predecessors, (18), 5 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-09-12 18:39:53,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 157 transitions. [2024-09-12 18:39:53,245 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 157 transitions. Word has length 38 [2024-09-12 18:39:53,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:39:53,245 INFO L474 AbstractCegarLoop]: Abstraction has 131 states and 157 transitions. [2024-09-12 18:39:53,246 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (7), 2 states have call predecessors, (7), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-09-12 18:39:53,246 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:39:53,246 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 157 transitions. [2024-09-12 18:39:53,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-09-12 18:39:53,248 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:39:53,248 INFO L216 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:39:53,266 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-09-12 18:39:53,448 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 18:39:53,449 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2024-09-12 18:39:53,449 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:39:53,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1183861910, now seen corresponding path program 1 times [2024-09-12 18:39:53,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:39:53,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719459194] [2024-09-12 18:39:53,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:39:53,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:39:53,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-09-12 18:39:53,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1336280274] [2024-09-12 18:39:53,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:39:53,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 18:39:53,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 18:39:53,464 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 18:39:53,466 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-09-12 18:39:53,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:53,515 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-09-12 18:39:53,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 18:39:53,554 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-09-12 18:39:53,557 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-12 18:39:53,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:39:53,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719459194] [2024-09-12 18:39:53,557 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-09-12 18:39:53,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1336280274] [2024-09-12 18:39:53,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1336280274] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:39:53,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 18:39:53,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-12 18:39:53,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938761838] [2024-09-12 18:39:53,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:39:53,558 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-12 18:39:53,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:39:53,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-12 18:39:53,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-09-12 18:39:53,559 INFO L87 Difference]: Start difference. First operand 131 states and 157 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-09-12 18:39:53,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:39:53,870 INFO L93 Difference]: Finished difference Result 199 states and 267 transitions. [2024-09-12 18:39:53,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-12 18:39:53,870 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 42 [2024-09-12 18:39:53,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:39:53,873 INFO L225 Difference]: With dead ends: 199 [2024-09-12 18:39:53,873 INFO L226 Difference]: Without dead ends: 194 [2024-09-12 18:39:53,874 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-09-12 18:39:53,874 INFO L434 NwaCegarLoop]: 56 mSDtfsCounter, 76 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-12 18:39:53,874 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 120 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-12 18:39:53,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-09-12 18:39:53,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 177. [2024-09-12 18:39:53,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 115 states have (on average 1.5913043478260869) internal successors, (183), 146 states have internal predecessors, (183), 26 states have call successors, (26), 6 states have call predecessors, (26), 5 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-09-12 18:39:53,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 233 transitions. [2024-09-12 18:39:53,928 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 233 transitions. Word has length 42 [2024-09-12 18:39:53,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:39:53,929 INFO L474 AbstractCegarLoop]: Abstraction has 177 states and 233 transitions. [2024-09-12 18:39:53,929 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-09-12 18:39:53,929 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:39:53,930 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 233 transitions. [2024-09-12 18:39:53,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-09-12 18:39:53,930 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:39:53,931 INFO L216 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:39:53,947 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-09-12 18:39:54,131 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 18:39:54,132 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2024-09-12 18:39:54,132 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:39:54,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1954986543, now seen corresponding path program 1 times [2024-09-12 18:39:54,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:39:54,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906232242] [2024-09-12 18:39:54,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:39:54,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:39:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-09-12 18:39:54,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [520054621] [2024-09-12 18:39:54,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:39:54,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 18:39:54,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 18:39:54,151 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 18:39:54,152 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-09-12 18:39:54,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:54,197 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-09-12 18:39:54,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 18:39:54,237 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-09-12 18:39:54,237 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-12 18:39:54,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:39:54,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1906232242] [2024-09-12 18:39:54,240 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-09-12 18:39:54,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520054621] [2024-09-12 18:39:54,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [520054621] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:39:54,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 18:39:54,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-12 18:39:54,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129891077] [2024-09-12 18:39:54,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:39:54,241 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-12 18:39:54,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:39:54,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-12 18:39:54,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-09-12 18:39:54,242 INFO L87 Difference]: Start difference. First operand 177 states and 233 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-09-12 18:39:54,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:39:54,394 INFO L93 Difference]: Finished difference Result 197 states and 258 transitions. [2024-09-12 18:39:54,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-12 18:39:54,394 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 43 [2024-09-12 18:39:54,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:39:54,396 INFO L225 Difference]: With dead ends: 197 [2024-09-12 18:39:54,396 INFO L226 Difference]: Without dead ends: 194 [2024-09-12 18:39:54,397 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-09-12 18:39:54,397 INFO L434 NwaCegarLoop]: 56 mSDtfsCounter, 102 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 18:39:54,398 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 96 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 18:39:54,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-09-12 18:39:54,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 178. [2024-09-12 18:39:54,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 116 states have (on average 1.5517241379310345) internal successors, (180), 147 states have internal predecessors, (180), 26 states have call successors, (26), 6 states have call predecessors, (26), 5 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-09-12 18:39:54,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 230 transitions. [2024-09-12 18:39:54,437 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 230 transitions. Word has length 43 [2024-09-12 18:39:54,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:39:54,437 INFO L474 AbstractCegarLoop]: Abstraction has 178 states and 230 transitions. [2024-09-12 18:39:54,437 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-09-12 18:39:54,438 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:39:54,438 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 230 transitions. [2024-09-12 18:39:54,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-09-12 18:39:54,439 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:39:54,439 INFO L216 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:39:54,456 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-09-12 18:39:54,639 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 18:39:54,640 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2024-09-12 18:39:54,640 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:39:54,641 INFO L85 PathProgramCache]: Analyzing trace with hash 25349721, now seen corresponding path program 1 times [2024-09-12 18:39:54,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:39:54,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779155800] [2024-09-12 18:39:54,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:39:54,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:39:54,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-09-12 18:39:54,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [830427048] [2024-09-12 18:39:54,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:39:54,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 18:39:54,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 18:39:54,655 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 18:39:54,660 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-09-12 18:39:54,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:54,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-09-12 18:39:54,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 18:39:54,738 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-09-12 18:39:54,740 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-12 18:39:54,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:39:54,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779155800] [2024-09-12 18:39:54,741 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-09-12 18:39:54,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [830427048] [2024-09-12 18:39:54,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [830427048] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:39:54,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 18:39:54,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-12 18:39:54,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606945617] [2024-09-12 18:39:54,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:39:54,742 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-12 18:39:54,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:39:54,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-12 18:39:54,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-12 18:39:54,743 INFO L87 Difference]: Start difference. First operand 178 states and 230 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-09-12 18:39:55,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:39:55,089 INFO L93 Difference]: Finished difference Result 196 states and 258 transitions. [2024-09-12 18:39:55,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-12 18:39:55,090 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 47 [2024-09-12 18:39:55,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:39:55,093 INFO L225 Difference]: With dead ends: 196 [2024-09-12 18:39:55,093 INFO L226 Difference]: Without dead ends: 194 [2024-09-12 18:39:55,094 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 43 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 18:39:55,094 INFO L434 NwaCegarLoop]: 58 mSDtfsCounter, 32 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 249 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 249 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-12 18:39:55,094 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 195 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 249 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-12 18:39:55,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2024-09-12 18:39:55,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 183. [2024-09-12 18:39:55,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 119 states have (on average 1.5378151260504203) internal successors, (183), 151 states have internal predecessors, (183), 27 states have call successors, (27), 7 states have call predecessors, (27), 6 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-09-12 18:39:55,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 235 transitions. [2024-09-12 18:39:55,134 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 235 transitions. Word has length 47 [2024-09-12 18:39:55,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:39:55,134 INFO L474 AbstractCegarLoop]: Abstraction has 183 states and 235 transitions. [2024-09-12 18:39:55,135 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2024-09-12 18:39:55,135 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:39:55,135 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 235 transitions. [2024-09-12 18:39:55,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-09-12 18:39:55,138 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:39:55,138 INFO L216 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:39:55,152 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-09-12 18:39:55,342 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-09-12 18:39:55,343 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2024-09-12 18:39:55,343 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:39:55,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1251495477, now seen corresponding path program 1 times [2024-09-12 18:39:55,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:39:55,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619143701] [2024-09-12 18:39:55,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:39:55,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:39:55,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:55,524 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:39:55,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:55,526 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 18:39:55,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:55,549 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-09-12 18:39:55,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:55,553 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-09-12 18:39:55,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:55,556 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-09-12 18:39:55,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:55,560 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-09-12 18:39:55,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:55,565 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-09-12 18:39:55,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:55,569 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 18:39:55,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:55,573 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-09-12 18:39:55,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:39:55,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619143701] [2024-09-12 18:39:55,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619143701] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 18:39:55,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [778285126] [2024-09-12 18:39:55,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:39:55,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 18:39:55,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 18:39:55,576 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 18:39:55,577 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-09-12 18:39:55,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:55,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-09-12 18:39:55,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 18:39:55,697 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-09-12 18:39:55,698 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-12 18:39:55,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [778285126] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:39:55,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-12 18:39:55,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 13 [2024-09-12 18:39:55,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437065374] [2024-09-12 18:39:55,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:39:55,699 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-12 18:39:55,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:39:55,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-12 18:39:55,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-09-12 18:39:55,700 INFO L87 Difference]: Start difference. First operand 183 states and 235 transitions. Second operand has 8 states, 8 states have (on average 3.875) internal successors, (31), 7 states have internal predecessors, (31), 3 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-09-12 18:39:55,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:39:55,938 INFO L93 Difference]: Finished difference Result 189 states and 240 transitions. [2024-09-12 18:39:55,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-12 18:39:55,939 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 7 states have internal predecessors, (31), 3 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 61 [2024-09-12 18:39:55,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:39:55,941 INFO L225 Difference]: With dead ends: 189 [2024-09-12 18:39:55,941 INFO L226 Difference]: Without dead ends: 186 [2024-09-12 18:39:55,942 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-09-12 18:39:55,942 INFO L434 NwaCegarLoop]: 47 mSDtfsCounter, 68 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 264 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-12 18:39:55,943 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 264 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-12 18:39:55,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-09-12 18:39:55,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2024-09-12 18:39:55,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 122 states have (on average 1.4918032786885247) internal successors, (182), 153 states have internal predecessors, (182), 27 states have call successors, (27), 8 states have call predecessors, (27), 7 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-09-12 18:39:55,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 234 transitions. [2024-09-12 18:39:55,968 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 234 transitions. Word has length 61 [2024-09-12 18:39:55,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:39:55,969 INFO L474 AbstractCegarLoop]: Abstraction has 186 states and 234 transitions. [2024-09-12 18:39:55,969 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 7 states have internal predecessors, (31), 3 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-09-12 18:39:55,969 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:39:55,969 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 234 transitions. [2024-09-12 18:39:55,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-09-12 18:39:55,970 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:39:55,970 INFO L216 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:39:55,986 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-09-12 18:39:56,171 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-09-12 18:39:56,171 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2024-09-12 18:39:56,172 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:39:56,172 INFO L85 PathProgramCache]: Analyzing trace with hash 96469060, now seen corresponding path program 1 times [2024-09-12 18:39:56,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:39:56,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540440493] [2024-09-12 18:39:56,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:39:56,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:39:56,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:56,225 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:39:56,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:56,227 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 18:39:56,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:56,229 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-09-12 18:39:56,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:56,235 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-09-12 18:39:56,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:56,238 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-09-12 18:39:56,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:56,245 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-09-12 18:39:56,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:56,248 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-09-12 18:39:56,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:56,251 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 18:39:56,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:56,254 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-09-12 18:39:56,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:56,257 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-09-12 18:39:56,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:39:56,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540440493] [2024-09-12 18:39:56,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540440493] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:39:56,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 18:39:56,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-12 18:39:56,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630290844] [2024-09-12 18:39:56,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:39:56,259 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-12 18:39:56,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:39:56,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-12 18:39:56,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-12 18:39:56,260 INFO L87 Difference]: Start difference. First operand 186 states and 234 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-09-12 18:39:56,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:39:56,717 INFO L93 Difference]: Finished difference Result 218 states and 263 transitions. [2024-09-12 18:39:56,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-12 18:39:56,718 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 63 [2024-09-12 18:39:56,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:39:56,720 INFO L225 Difference]: With dead ends: 218 [2024-09-12 18:39:56,720 INFO L226 Difference]: Without dead ends: 216 [2024-09-12 18:39:56,720 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-09-12 18:39:56,721 INFO L434 NwaCegarLoop]: 45 mSDtfsCounter, 116 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-09-12 18:39:56,721 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 108 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-09-12 18:39:56,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-09-12 18:39:56,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 188. [2024-09-12 18:39:56,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 124 states have (on average 1.467741935483871) internal successors, (182), 155 states have internal predecessors, (182), 27 states have call successors, (27), 8 states have call predecessors, (27), 7 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-09-12 18:39:56,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 234 transitions. [2024-09-12 18:39:56,760 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 234 transitions. Word has length 63 [2024-09-12 18:39:56,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:39:56,761 INFO L474 AbstractCegarLoop]: Abstraction has 188 states and 234 transitions. [2024-09-12 18:39:56,761 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-09-12 18:39:56,761 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:39:56,761 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 234 transitions. [2024-09-12 18:39:56,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-09-12 18:39:56,764 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:39:56,765 INFO L216 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:39:56,765 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-09-12 18:39:56,765 INFO L399 AbstractCegarLoop]: === Iteration 13 === Targeting mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2024-09-12 18:39:56,765 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:39:56,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1304426332, now seen corresponding path program 1 times [2024-09-12 18:39:56,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:39:56,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223369723] [2024-09-12 18:39:56,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:39:56,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:39:56,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:56,830 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:39:56,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:56,832 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 18:39:56,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:56,834 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-09-12 18:39:56,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:56,837 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-09-12 18:39:56,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:56,839 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-09-12 18:39:56,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:56,842 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-09-12 18:39:56,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:56,844 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-09-12 18:39:56,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:56,851 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 18:39:56,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:56,855 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-09-12 18:39:56,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:56,858 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-09-12 18:39:56,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:39:56,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223369723] [2024-09-12 18:39:56,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223369723] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:39:56,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 18:39:56,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-12 18:39:56,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624924309] [2024-09-12 18:39:56,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:39:56,859 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-12 18:39:56,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:39:56,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-12 18:39:56,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-12 18:39:56,860 INFO L87 Difference]: Start difference. First operand 188 states and 234 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-09-12 18:39:57,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:39:57,031 INFO L93 Difference]: Finished difference Result 218 states and 259 transitions. [2024-09-12 18:39:57,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-12 18:39:57,032 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 64 [2024-09-12 18:39:57,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:39:57,034 INFO L225 Difference]: With dead ends: 218 [2024-09-12 18:39:57,034 INFO L226 Difference]: Without dead ends: 216 [2024-09-12 18:39:57,034 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-09-12 18:39:57,035 INFO L434 NwaCegarLoop]: 47 mSDtfsCounter, 113 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 18:39:57,035 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 110 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 18:39:57,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2024-09-12 18:39:57,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 190. [2024-09-12 18:39:57,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 126 states have (on average 1.4444444444444444) internal successors, (182), 157 states have internal predecessors, (182), 27 states have call successors, (27), 8 states have call predecessors, (27), 7 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-09-12 18:39:57,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 234 transitions. [2024-09-12 18:39:57,075 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 234 transitions. Word has length 64 [2024-09-12 18:39:57,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:39:57,075 INFO L474 AbstractCegarLoop]: Abstraction has 190 states and 234 transitions. [2024-09-12 18:39:57,076 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-09-12 18:39:57,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:39:57,076 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 234 transitions. [2024-09-12 18:39:57,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-09-12 18:39:57,077 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:39:57,077 INFO L216 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:39:57,077 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-09-12 18:39:57,078 INFO L399 AbstractCegarLoop]: === Iteration 14 === Targeting mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2024-09-12 18:39:57,078 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:39:57,078 INFO L85 PathProgramCache]: Analyzing trace with hash 576748828, now seen corresponding path program 1 times [2024-09-12 18:39:57,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:39:57,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745371308] [2024-09-12 18:39:57,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:39:57,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:39:57,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:57,127 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:39:57,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:57,129 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 18:39:57,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:57,130 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-09-12 18:39:57,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:57,135 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-09-12 18:39:57,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:57,136 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-09-12 18:39:57,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:57,139 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-09-12 18:39:57,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:57,140 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-09-12 18:39:57,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:57,143 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 18:39:57,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:57,147 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-09-12 18:39:57,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:57,150 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-09-12 18:39:57,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:39:57,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745371308] [2024-09-12 18:39:57,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745371308] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:39:57,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 18:39:57,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-12 18:39:57,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362950892] [2024-09-12 18:39:57,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:39:57,152 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-12 18:39:57,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:39:57,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-12 18:39:57,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-12 18:39:57,152 INFO L87 Difference]: Start difference. First operand 190 states and 234 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-09-12 18:39:57,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:39:57,223 INFO L93 Difference]: Finished difference Result 194 states and 234 transitions. [2024-09-12 18:39:57,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-12 18:39:57,224 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 66 [2024-09-12 18:39:57,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:39:57,226 INFO L225 Difference]: With dead ends: 194 [2024-09-12 18:39:57,226 INFO L226 Difference]: Without dead ends: 193 [2024-09-12 18:39:57,226 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 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 18:39:57,227 INFO L434 NwaCegarLoop]: 85 mSDtfsCounter, 12 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-12 18:39:57,227 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 153 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-12 18:39:57,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-09-12 18:39:57,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 190. [2024-09-12 18:39:57,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 190 states, 126 states have (on average 1.4365079365079365) internal successors, (181), 157 states have internal predecessors, (181), 27 states have call successors, (27), 8 states have call predecessors, (27), 7 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-09-12 18:39:57,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 233 transitions. [2024-09-12 18:39:57,266 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 233 transitions. Word has length 66 [2024-09-12 18:39:57,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:39:57,267 INFO L474 AbstractCegarLoop]: Abstraction has 190 states and 233 transitions. [2024-09-12 18:39:57,267 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-09-12 18:39:57,267 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:39:57,267 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 233 transitions. [2024-09-12 18:39:57,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-09-12 18:39:57,268 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:39:57,268 INFO L216 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:39:57,268 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-09-12 18:39:57,269 INFO L399 AbstractCegarLoop]: === Iteration 15 === Targeting mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2024-09-12 18:39:57,269 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:39:57,269 INFO L85 PathProgramCache]: Analyzing trace with hash 699344617, now seen corresponding path program 1 times [2024-09-12 18:39:57,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:39:57,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166221958] [2024-09-12 18:39:57,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:39:57,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:39:57,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:57,313 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:39:57,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:57,316 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 18:39:57,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:57,320 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-09-12 18:39:57,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:57,322 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-09-12 18:39:57,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:57,325 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-09-12 18:39:57,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:57,327 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-09-12 18:39:57,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:57,330 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-09-12 18:39:57,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:57,333 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 18:39:57,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:57,335 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-09-12 18:39:57,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:57,337 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-09-12 18:39:57,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:39:57,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166221958] [2024-09-12 18:39:57,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166221958] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:39:57,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 18:39:57,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-12 18:39:57,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080857910] [2024-09-12 18:39:57,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:39:57,338 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-12 18:39:57,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:39:57,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-12 18:39:57,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-12 18:39:57,339 INFO L87 Difference]: Start difference. First operand 190 states and 233 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-09-12 18:39:57,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:39:57,445 INFO L93 Difference]: Finished difference Result 190 states and 233 transitions. [2024-09-12 18:39:57,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-12 18:39:57,452 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 67 [2024-09-12 18:39:57,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:39:57,453 INFO L225 Difference]: With dead ends: 190 [2024-09-12 18:39:57,453 INFO L226 Difference]: Without dead ends: 189 [2024-09-12 18:39:57,454 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-09-12 18:39:57,454 INFO L434 NwaCegarLoop]: 77 mSDtfsCounter, 104 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 18:39:57,455 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 185 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 18:39:57,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2024-09-12 18:39:57,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2024-09-12 18:39:57,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 126 states have (on average 1.4206349206349207) internal successors, (179), 156 states have internal predecessors, (179), 27 states have call successors, (27), 8 states have call predecessors, (27), 7 states have return successors, (25), 24 states have call predecessors, (25), 25 states have call successors, (25) [2024-09-12 18:39:57,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 231 transitions. [2024-09-12 18:39:57,502 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 231 transitions. Word has length 67 [2024-09-12 18:39:57,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:39:57,503 INFO L474 AbstractCegarLoop]: Abstraction has 189 states and 231 transitions. [2024-09-12 18:39:57,503 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-09-12 18:39:57,503 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:39:57,503 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 231 transitions. [2024-09-12 18:39:57,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-09-12 18:39:57,504 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:39:57,504 INFO L216 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:39:57,504 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-09-12 18:39:57,504 INFO L399 AbstractCegarLoop]: === Iteration 16 === Targeting mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2024-09-12 18:39:57,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:39:57,505 INFO L85 PathProgramCache]: Analyzing trace with hash 699345899, now seen corresponding path program 1 times [2024-09-12 18:39:57,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:39:57,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839226816] [2024-09-12 18:39:57,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:39:57,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:39:57,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:57,576 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:39:57,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:57,578 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 18:39:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:57,581 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-09-12 18:39:57,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:57,583 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-09-12 18:39:57,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:57,585 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-09-12 18:39:57,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:57,587 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-09-12 18:39:57,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:57,589 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-09-12 18:39:57,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:57,591 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 18:39:57,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:57,594 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-09-12 18:39:57,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:57,597 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-09-12 18:39:57,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:39:57,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839226816] [2024-09-12 18:39:57,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839226816] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:39:57,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 18:39:57,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-12 18:39:57,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592955935] [2024-09-12 18:39:57,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:39:57,598 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-12 18:39:57,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:39:57,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-12 18:39:57,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-09-12 18:39:57,598 INFO L87 Difference]: Start difference. First operand 189 states and 231 transitions. Second operand has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-09-12 18:39:58,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:39:58,082 INFO L93 Difference]: Finished difference Result 242 states and 292 transitions. [2024-09-12 18:39:58,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-12 18:39:58,083 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 67 [2024-09-12 18:39:58,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:39:58,084 INFO L225 Difference]: With dead ends: 242 [2024-09-12 18:39:58,084 INFO L226 Difference]: Without dead ends: 241 [2024-09-12 18:39:58,085 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-09-12 18:39:58,085 INFO L434 NwaCegarLoop]: 87 mSDtfsCounter, 268 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-09-12 18:39:58,086 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 285 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-09-12 18:39:58,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-09-12 18:39:58,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 218. [2024-09-12 18:39:58,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 150 states have (on average 1.4133333333333333) internal successors, (212), 180 states have internal predecessors, (212), 32 states have call successors, (32), 8 states have call predecessors, (32), 7 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-09-12 18:39:58,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 274 transitions. [2024-09-12 18:39:58,123 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 274 transitions. Word has length 67 [2024-09-12 18:39:58,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:39:58,123 INFO L474 AbstractCegarLoop]: Abstraction has 218 states and 274 transitions. [2024-09-12 18:39:58,124 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-09-12 18:39:58,124 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:39:58,124 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 274 transitions. [2024-09-12 18:39:58,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-09-12 18:39:58,125 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:39:58,125 INFO L216 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:39:58,125 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-09-12 18:39:58,125 INFO L399 AbstractCegarLoop]: === Iteration 17 === Targeting mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2024-09-12 18:39:58,125 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:39:58,126 INFO L85 PathProgramCache]: Analyzing trace with hash 204846782, now seen corresponding path program 1 times [2024-09-12 18:39:58,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:39:58,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302841890] [2024-09-12 18:39:58,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:39:58,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:39:58,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:58,176 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:39:58,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:58,179 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 18:39:58,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:58,180 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-09-12 18:39:58,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:58,182 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-09-12 18:39:58,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:58,183 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-09-12 18:39:58,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:58,186 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-09-12 18:39:58,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:58,188 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-09-12 18:39:58,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:58,191 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 18:39:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:58,203 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-09-12 18:39:58,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:58,207 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-09-12 18:39:58,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:39:58,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302841890] [2024-09-12 18:39:58,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302841890] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:39:58,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 18:39:58,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-12 18:39:58,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687841848] [2024-09-12 18:39:58,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:39:58,208 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-12 18:39:58,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:39:58,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-12 18:39:58,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-09-12 18:39:58,209 INFO L87 Difference]: Start difference. First operand 218 states and 274 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-09-12 18:39:58,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:39:58,409 INFO L93 Difference]: Finished difference Result 239 states and 287 transitions. [2024-09-12 18:39:58,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-12 18:39:58,410 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 68 [2024-09-12 18:39:58,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:39:58,412 INFO L225 Difference]: With dead ends: 239 [2024-09-12 18:39:58,412 INFO L226 Difference]: Without dead ends: 237 [2024-09-12 18:39:58,412 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-09-12 18:39:58,413 INFO L434 NwaCegarLoop]: 79 mSDtfsCounter, 48 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-12 18:39:58,413 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 163 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-12 18:39:58,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-09-12 18:39:58,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 222. [2024-09-12 18:39:58,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 222 states, 154 states have (on average 1.4025974025974026) internal successors, (216), 184 states have internal predecessors, (216), 32 states have call successors, (32), 8 states have call predecessors, (32), 7 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-09-12 18:39:58,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 278 transitions. [2024-09-12 18:39:58,455 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 278 transitions. Word has length 68 [2024-09-12 18:39:58,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:39:58,455 INFO L474 AbstractCegarLoop]: Abstraction has 222 states and 278 transitions. [2024-09-12 18:39:58,455 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 3 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-09-12 18:39:58,456 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:39:58,456 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 278 transitions. [2024-09-12 18:39:58,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-09-12 18:39:58,457 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:39:58,457 INFO L216 NwaCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:39:58,457 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-09-12 18:39:58,457 INFO L399 AbstractCegarLoop]: === Iteration 18 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2024-09-12 18:39:58,457 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:39:58,458 INFO L85 PathProgramCache]: Analyzing trace with hash -255927567, now seen corresponding path program 1 times [2024-09-12 18:39:58,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:39:58,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867524619] [2024-09-12 18:39:58,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:39:58,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:39:58,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:58,578 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:39:58,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:58,581 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 18:39:58,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:58,583 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-09-12 18:39:58,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:58,584 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-09-12 18:39:58,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:58,587 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-09-12 18:39:58,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:58,588 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-09-12 18:39:58,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:58,590 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-09-12 18:39:58,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:58,607 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 18:39:58,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:58,610 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-09-12 18:39:58,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:58,613 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-09-12 18:39:58,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:39:58,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867524619] [2024-09-12 18:39:58,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867524619] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 18:39:58,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657245095] [2024-09-12 18:39:58,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:39:58,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 18:39:58,614 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 18:39:58,616 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 18:39:58,617 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-09-12 18:39:58,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:58,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-09-12 18:39:58,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 18:39:58,807 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-09-12 18:39:58,807 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 18:39:58,893 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-09-12 18:39:58,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657245095] provided 1 perfect and 1 imperfect interpolant sequences [2024-09-12 18:39:58,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-09-12 18:39:58,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 9] total 12 [2024-09-12 18:39:58,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219515643] [2024-09-12 18:39:58,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:39:58,894 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-12 18:39:58,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:39:58,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-12 18:39:58,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-09-12 18:39:58,895 INFO L87 Difference]: Start difference. First operand 222 states and 278 transitions. Second operand has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-09-12 18:39:59,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:39:59,395 INFO L93 Difference]: Finished difference Result 239 states and 304 transitions. [2024-09-12 18:39:59,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-12 18:39:59,396 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 73 [2024-09-12 18:39:59,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:39:59,397 INFO L225 Difference]: With dead ends: 239 [2024-09-12 18:39:59,397 INFO L226 Difference]: Without dead ends: 237 [2024-09-12 18:39:59,398 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 159 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2024-09-12 18:39:59,398 INFO L434 NwaCegarLoop]: 52 mSDtfsCounter, 27 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-09-12 18:39:59,398 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 211 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-09-12 18:39:59,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-09-12 18:39:59,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 226. [2024-09-12 18:39:59,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 157 states have (on average 1.394904458598726) internal successors, (219), 187 states have internal predecessors, (219), 32 states have call successors, (32), 9 states have call predecessors, (32), 8 states have return successors, (30), 29 states have call predecessors, (30), 30 states have call successors, (30) [2024-09-12 18:39:59,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 281 transitions. [2024-09-12 18:39:59,442 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 281 transitions. Word has length 73 [2024-09-12 18:39:59,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:39:59,443 INFO L474 AbstractCegarLoop]: Abstraction has 226 states and 281 transitions. [2024-09-12 18:39:59,443 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.833333333333333) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-09-12 18:39:59,443 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:39:59,443 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 281 transitions. [2024-09-12 18:39:59,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-09-12 18:39:59,444 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:39:59,444 INFO L216 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:39:59,461 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-09-12 18:39:59,648 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-09-12 18:39:59,649 INFO L399 AbstractCegarLoop]: === Iteration 19 === Targeting mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2024-09-12 18:39:59,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:39:59,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1594744625, now seen corresponding path program 1 times [2024-09-12 18:39:59,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:39:59,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412803820] [2024-09-12 18:39:59,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:39:59,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:39:59,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-09-12 18:39:59,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [683145609] [2024-09-12 18:39:59,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:39:59,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 18:39:59,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 18:39:59,668 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 18:39:59,670 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-09-12 18:39:59,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:39:59,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-09-12 18:39:59,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 18:39:59,994 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-09-12 18:39:59,994 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 18:40:00,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:40:00,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412803820] [2024-09-12 18:40:00,209 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-09-12 18:40:00,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [683145609] [2024-09-12 18:40:00,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [683145609] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 18:40:00,210 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-09-12 18:40:00,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-09-12 18:40:00,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342491517] [2024-09-12 18:40:00,211 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-09-12 18:40:00,211 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-12 18:40:00,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:40:00,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-12 18:40:00,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-09-12 18:40:00,213 INFO L87 Difference]: Start difference. First operand 226 states and 281 transitions. Second operand has 9 states, 8 states have (on average 4.875) internal successors, (39), 9 states have internal predecessors, (39), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-09-12 18:40:00,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:40:00,797 INFO L93 Difference]: Finished difference Result 323 states and 402 transitions. [2024-09-12 18:40:00,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-12 18:40:00,797 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.875) internal successors, (39), 9 states have internal predecessors, (39), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 78 [2024-09-12 18:40:00,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:40:00,799 INFO L225 Difference]: With dead ends: 323 [2024-09-12 18:40:00,799 INFO L226 Difference]: Without dead ends: 314 [2024-09-12 18:40:00,800 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2024-09-12 18:40:00,801 INFO L434 NwaCegarLoop]: 76 mSDtfsCounter, 305 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 493 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 493 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-09-12 18:40:00,801 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 355 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 493 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-09-12 18:40:00,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2024-09-12 18:40:00,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 263. [2024-09-12 18:40:00,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 189 states have (on average 1.380952380952381) internal successors, (261), 219 states have internal predecessors, (261), 38 states have call successors, (38), 9 states have call predecessors, (38), 8 states have return successors, (36), 34 states have call predecessors, (36), 36 states have call successors, (36) [2024-09-12 18:40:00,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 335 transitions. [2024-09-12 18:40:00,869 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 335 transitions. Word has length 78 [2024-09-12 18:40:00,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:40:00,869 INFO L474 AbstractCegarLoop]: Abstraction has 263 states and 335 transitions. [2024-09-12 18:40:00,869 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.875) internal successors, (39), 9 states have internal predecessors, (39), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-09-12 18:40:00,870 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:40:00,870 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 335 transitions. [2024-09-12 18:40:00,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-09-12 18:40:00,870 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:40:00,871 INFO L216 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:40:00,888 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-09-12 18:40:01,071 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 18:40:01,071 INFO L399 AbstractCegarLoop]: === Iteration 20 === Targeting mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2024-09-12 18:40:01,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:40:01,072 INFO L85 PathProgramCache]: Analyzing trace with hash 2102524243, now seen corresponding path program 1 times [2024-09-12 18:40:01,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:40:01,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197904517] [2024-09-12 18:40:01,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:40:01,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:40:01,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-09-12 18:40:01,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1040342755] [2024-09-12 18:40:01,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:40:01,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 18:40:01,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 18:40:01,087 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 18:40:01,089 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-09-12 18:40:01,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:01,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-09-12 18:40:01,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 18:40:01,393 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-09-12 18:40:01,393 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 18:40:01,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:40:01,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197904517] [2024-09-12 18:40:01,944 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-09-12 18:40:01,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040342755] [2024-09-12 18:40:01,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1040342755] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 18:40:01,945 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-09-12 18:40:01,945 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-09-12 18:40:01,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363763964] [2024-09-12 18:40:01,945 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-09-12 18:40:01,946 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-12 18:40:01,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:40:01,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-12 18:40:01,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-09-12 18:40:01,946 INFO L87 Difference]: Start difference. First operand 263 states and 335 transitions. Second operand has 9 states, 8 states have (on average 5.0) internal successors, (40), 9 states have internal predecessors, (40), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-09-12 18:40:02,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:40:02,517 INFO L93 Difference]: Finished difference Result 351 states and 440 transitions. [2024-09-12 18:40:02,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-12 18:40:02,518 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.0) internal successors, (40), 9 states have internal predecessors, (40), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 79 [2024-09-12 18:40:02,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:40:02,520 INFO L225 Difference]: With dead ends: 351 [2024-09-12 18:40:02,520 INFO L226 Difference]: Without dead ends: 348 [2024-09-12 18:40:02,521 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2024-09-12 18:40:02,521 INFO L434 NwaCegarLoop]: 82 mSDtfsCounter, 249 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 542 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-09-12 18:40:02,522 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [255 Valid, 423 Invalid, 570 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 542 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-09-12 18:40:02,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2024-09-12 18:40:02,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 319. [2024-09-12 18:40:02,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 235 states have (on average 1.374468085106383) internal successors, (323), 265 states have internal predecessors, (323), 48 states have call successors, (48), 9 states have call predecessors, (48), 8 states have return successors, (46), 44 states have call predecessors, (46), 46 states have call successors, (46) [2024-09-12 18:40:02,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 417 transitions. [2024-09-12 18:40:02,579 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 417 transitions. Word has length 79 [2024-09-12 18:40:02,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:40:02,579 INFO L474 AbstractCegarLoop]: Abstraction has 319 states and 417 transitions. [2024-09-12 18:40:02,579 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.0) internal successors, (40), 9 states have internal predecessors, (40), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2024-09-12 18:40:02,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:40:02,580 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 417 transitions. [2024-09-12 18:40:02,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-09-12 18:40:02,580 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:40:02,580 INFO L216 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:40:02,593 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-09-12 18:40:02,781 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,14 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 18:40:02,781 INFO L399 AbstractCegarLoop]: === Iteration 21 === Targeting mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2024-09-12 18:40:02,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:40:02,781 INFO L85 PathProgramCache]: Analyzing trace with hash 753742161, now seen corresponding path program 1 times [2024-09-12 18:40:02,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:40:02,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270072597] [2024-09-12 18:40:02,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:40:02,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:40:02,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:02,850 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:40:02,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:02,853 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 18:40:02,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:02,854 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-09-12 18:40:02,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:02,855 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-09-12 18:40:02,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:02,857 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-09-12 18:40:02,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:02,858 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-09-12 18:40:02,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:02,859 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-09-12 18:40:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:02,862 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 18:40:02,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:02,865 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-09-12 18:40:02,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:02,867 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-09-12 18:40:02,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:02,869 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-09-12 18:40:02,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:40:02,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270072597] [2024-09-12 18:40:02,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270072597] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:40:02,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 18:40:02,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-12 18:40:02,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997828584] [2024-09-12 18:40:02,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:40:02,871 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-12 18:40:02,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:40:02,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-12 18:40:02,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-12 18:40:02,871 INFO L87 Difference]: Start difference. First operand 319 states and 417 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-09-12 18:40:03,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:40:03,906 INFO L93 Difference]: Finished difference Result 449 states and 595 transitions. [2024-09-12 18:40:03,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-09-12 18:40:03,907 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 80 [2024-09-12 18:40:03,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:40:03,910 INFO L225 Difference]: With dead ends: 449 [2024-09-12 18:40:03,910 INFO L226 Difference]: Without dead ends: 446 [2024-09-12 18:40:03,911 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-09-12 18:40:03,911 INFO L434 NwaCegarLoop]: 83 mSDtfsCounter, 130 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-09-12 18:40:03,911 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 228 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-09-12 18:40:03,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2024-09-12 18:40:03,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 323. [2024-09-12 18:40:03,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 241 states have (on average 1.3443983402489628) internal successors, (324), 267 states have internal predecessors, (324), 48 states have call successors, (48), 9 states have call predecessors, (48), 8 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-09-12 18:40:03,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 418 transitions. [2024-09-12 18:40:03,985 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 418 transitions. Word has length 80 [2024-09-12 18:40:03,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:40:03,986 INFO L474 AbstractCegarLoop]: Abstraction has 323 states and 418 transitions. [2024-09-12 18:40:03,986 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2024-09-12 18:40:03,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:40:03,986 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 418 transitions. [2024-09-12 18:40:03,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-09-12 18:40:03,987 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:40:03,987 INFO L216 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:40:03,987 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-09-12 18:40:03,987 INFO L399 AbstractCegarLoop]: === Iteration 22 === Targeting mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2024-09-12 18:40:03,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:40:03,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1186961614, now seen corresponding path program 1 times [2024-09-12 18:40:03,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:40:03,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491427226] [2024-09-12 18:40:03,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:40:03,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:40:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-09-12 18:40:04,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [572214241] [2024-09-12 18:40:04,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:40:04,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 18:40:04,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 18:40:04,003 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 18:40:04,007 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-09-12 18:40:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:04,056 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-09-12 18:40:04,058 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 18:40:04,286 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-09-12 18:40:04,286 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 18:40:04,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:40:04,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491427226] [2024-09-12 18:40:04,347 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-09-12 18:40:04,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572214241] [2024-09-12 18:40:04,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [572214241] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 18:40:04,347 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-09-12 18:40:04,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-09-12 18:40:04,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205336438] [2024-09-12 18:40:04,347 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-09-12 18:40:04,348 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-09-12 18:40:04,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:40:04,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-09-12 18:40:04,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-09-12 18:40:04,348 INFO L87 Difference]: Start difference. First operand 323 states and 418 transitions. Second operand has 10 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (10), 6 states have call predecessors, (10), 5 states have call successors, (10) [2024-09-12 18:40:04,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:40:04,806 INFO L93 Difference]: Finished difference Result 367 states and 485 transitions. [2024-09-12 18:40:04,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-12 18:40:04,809 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (10), 6 states have call predecessors, (10), 5 states have call successors, (10) Word has length 80 [2024-09-12 18:40:04,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:40:04,812 INFO L225 Difference]: With dead ends: 367 [2024-09-12 18:40:04,812 INFO L226 Difference]: Without dead ends: 361 [2024-09-12 18:40:04,812 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-09-12 18:40:04,813 INFO L434 NwaCegarLoop]: 50 mSDtfsCounter, 181 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 521 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 521 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-12 18:40:04,814 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 292 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 521 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-12 18:40:04,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2024-09-12 18:40:04,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 317. [2024-09-12 18:40:04,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 241 states have (on average 1.2821576763485478) internal successors, (309), 261 states have internal predecessors, (309), 48 states have call successors, (48), 9 states have call predecessors, (48), 8 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-09-12 18:40:04,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 403 transitions. [2024-09-12 18:40:04,904 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 403 transitions. Word has length 80 [2024-09-12 18:40:04,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:40:04,906 INFO L474 AbstractCegarLoop]: Abstraction has 317 states and 403 transitions. [2024-09-12 18:40:04,907 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.555555555555555) internal successors, (41), 9 states have internal predecessors, (41), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (10), 6 states have call predecessors, (10), 5 states have call successors, (10) [2024-09-12 18:40:04,907 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:40:04,907 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 403 transitions. [2024-09-12 18:40:04,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-09-12 18:40:04,908 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:40:04,908 INFO L216 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:40:04,924 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-09-12 18:40:05,112 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-09-12 18:40:05,112 INFO L399 AbstractCegarLoop]: === Iteration 23 === Targeting mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2024-09-12 18:40:05,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:40:05,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1891170581, now seen corresponding path program 1 times [2024-09-12 18:40:05,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:40:05,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219743205] [2024-09-12 18:40:05,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:40:05,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:40:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:05,226 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:40:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:05,233 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 18:40:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:05,258 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-09-12 18:40:05,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:05,261 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-09-12 18:40:05,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:05,264 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-09-12 18:40:05,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:05,268 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-09-12 18:40:05,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:05,272 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-09-12 18:40:05,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:05,275 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 18:40:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:05,279 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-09-12 18:40:05,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:05,281 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-09-12 18:40:05,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:05,283 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-09-12 18:40:05,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:40:05,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219743205] [2024-09-12 18:40:05,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219743205] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 18:40:05,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219120930] [2024-09-12 18:40:05,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:40:05,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 18:40:05,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 18:40:05,285 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 18:40:05,287 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-09-12 18:40:05,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:05,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-09-12 18:40:05,335 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 18:40:05,640 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-09-12 18:40:05,640 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 18:40:05,828 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-09-12 18:40:05,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [219120930] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 18:40:05,829 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 18:40:05,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 13 [2024-09-12 18:40:05,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615483678] [2024-09-12 18:40:05,829 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 18:40:05,830 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-09-12 18:40:05,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:40:05,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-09-12 18:40:05,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-09-12 18:40:05,833 INFO L87 Difference]: Start difference. First operand 317 states and 403 transitions. Second operand has 14 states, 13 states have (on average 5.230769230769231) internal successors, (68), 14 states have internal predecessors, (68), 6 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 6 states have call predecessors, (17), 6 states have call successors, (17) [2024-09-12 18:40:06,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:40:06,755 INFO L93 Difference]: Finished difference Result 326 states and 410 transitions. [2024-09-12 18:40:06,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-12 18:40:06,755 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 5.230769230769231) internal successors, (68), 14 states have internal predecessors, (68), 6 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 6 states have call predecessors, (17), 6 states have call successors, (17) Word has length 81 [2024-09-12 18:40:06,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:40:06,757 INFO L225 Difference]: With dead ends: 326 [2024-09-12 18:40:06,757 INFO L226 Difference]: Without dead ends: 321 [2024-09-12 18:40:06,757 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 174 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2024-09-12 18:40:06,758 INFO L434 NwaCegarLoop]: 73 mSDtfsCounter, 132 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 505 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 464 SdHoareTripleChecker+Invalid, 530 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 505 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-09-12 18:40:06,758 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 464 Invalid, 530 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 505 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-09-12 18:40:06,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-09-12 18:40:06,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 262. [2024-09-12 18:40:06,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 200 states have (on average 1.225) internal successors, (245), 215 states have internal predecessors, (245), 39 states have call successors, (39), 9 states have call predecessors, (39), 8 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-09-12 18:40:06,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 321 transitions. [2024-09-12 18:40:06,832 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 321 transitions. Word has length 81 [2024-09-12 18:40:06,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:40:06,833 INFO L474 AbstractCegarLoop]: Abstraction has 262 states and 321 transitions. [2024-09-12 18:40:06,833 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 5.230769230769231) internal successors, (68), 14 states have internal predecessors, (68), 6 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 6 states have call predecessors, (17), 6 states have call successors, (17) [2024-09-12 18:40:06,833 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:40:06,833 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 321 transitions. [2024-09-12 18:40:06,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-09-12 18:40:06,835 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:40:06,836 INFO L216 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:40:06,851 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-09-12 18:40:07,039 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-09-12 18:40:07,040 INFO L399 AbstractCegarLoop]: === Iteration 24 === Targeting mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2024-09-12 18:40:07,040 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:40:07,040 INFO L85 PathProgramCache]: Analyzing trace with hash -1858895541, now seen corresponding path program 1 times [2024-09-12 18:40:07,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:40:07,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315623281] [2024-09-12 18:40:07,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:40:07,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:40:07,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-09-12 18:40:07,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1109796309] [2024-09-12 18:40:07,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:40:07,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 18:40:07,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 18:40:07,062 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 18:40:07,069 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-09-12 18:40:07,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:07,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-09-12 18:40:07,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 18:40:07,346 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-09-12 18:40:07,346 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 18:40:07,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:40:07,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315623281] [2024-09-12 18:40:07,606 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-09-12 18:40:07,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1109796309] [2024-09-12 18:40:07,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1109796309] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 18:40:07,606 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-09-12 18:40:07,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2024-09-12 18:40:07,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369794853] [2024-09-12 18:40:07,606 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-09-12 18:40:07,607 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-09-12 18:40:07,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:40:07,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-09-12 18:40:07,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-09-12 18:40:07,608 INFO L87 Difference]: Start difference. First operand 262 states and 321 transitions. Second operand has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (10), 6 states have call predecessors, (10), 5 states have call successors, (10) [2024-09-12 18:40:08,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:40:08,252 INFO L93 Difference]: Finished difference Result 536 states and 688 transitions. [2024-09-12 18:40:08,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-12 18:40:08,253 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (10), 6 states have call predecessors, (10), 5 states have call successors, (10) Word has length 81 [2024-09-12 18:40:08,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:40:08,257 INFO L225 Difference]: With dead ends: 536 [2024-09-12 18:40:08,257 INFO L226 Difference]: Without dead ends: 532 [2024-09-12 18:40:08,257 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=246, Unknown=0, NotChecked=0, Total=342 [2024-09-12 18:40:08,258 INFO L434 NwaCegarLoop]: 74 mSDtfsCounter, 512 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 638 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 518 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 722 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 638 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-09-12 18:40:08,259 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [518 Valid, 379 Invalid, 722 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 638 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-09-12 18:40:08,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 532 states. [2024-09-12 18:40:08,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 532 to 416. [2024-09-12 18:40:08,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 328 states have (on average 1.2225609756097562) internal successors, (401), 343 states have internal predecessors, (401), 65 states have call successors, (65), 9 states have call predecessors, (65), 8 states have return successors, (63), 63 states have call predecessors, (63), 63 states have call successors, (63) [2024-09-12 18:40:08,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 529 transitions. [2024-09-12 18:40:08,407 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 529 transitions. Word has length 81 [2024-09-12 18:40:08,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:40:08,407 INFO L474 AbstractCegarLoop]: Abstraction has 416 states and 529 transitions. [2024-09-12 18:40:08,407 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 9 states have internal predecessors, (42), 5 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (10), 6 states have call predecessors, (10), 5 states have call successors, (10) [2024-09-12 18:40:08,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:40:08,408 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 529 transitions. [2024-09-12 18:40:08,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-09-12 18:40:08,409 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:40:08,410 INFO L216 NwaCegarLoop]: trace histogram [7, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:40:08,425 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-09-12 18:40:08,613 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,17 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 18:40:08,613 INFO L399 AbstractCegarLoop]: === Iteration 25 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2024-09-12 18:40:08,614 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:40:08,614 INFO L85 PathProgramCache]: Analyzing trace with hash 185483649, now seen corresponding path program 1 times [2024-09-12 18:40:08,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:40:08,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26253903] [2024-09-12 18:40:08,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:40:08,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:40:08,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-09-12 18:40:08,628 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [389001437] [2024-09-12 18:40:08,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:40:08,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 18:40:08,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 18:40:08,630 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 18:40:08,632 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-09-12 18:40:08,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:08,681 INFO L262 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-09-12 18:40:08,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 18:40:09,070 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-09-12 18:40:09,070 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 18:40:09,355 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-09-12 18:40:09,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:40:09,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26253903] [2024-09-12 18:40:09,355 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-09-12 18:40:09,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389001437] [2024-09-12 18:40:09,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [389001437] provided 1 perfect and 1 imperfect interpolant sequences [2024-09-12 18:40:09,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-12 18:40:09,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [12] total 19 [2024-09-12 18:40:09,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099840110] [2024-09-12 18:40:09,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:40:09,356 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-09-12 18:40:09,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:40:09,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-09-12 18:40:09,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=281, Unknown=0, NotChecked=0, Total=342 [2024-09-12 18:40:09,357 INFO L87 Difference]: Start difference. First operand 416 states and 529 transitions. Second operand has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 8 states have internal predecessors, (42), 4 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-09-12 18:40:10,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:40:10,068 INFO L93 Difference]: Finished difference Result 520 states and 658 transitions. [2024-09-12 18:40:10,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-12 18:40:10,069 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 8 states have internal predecessors, (42), 4 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 85 [2024-09-12 18:40:10,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:40:10,073 INFO L225 Difference]: With dead ends: 520 [2024-09-12 18:40:10,073 INFO L226 Difference]: Without dead ends: 513 [2024-09-12 18:40:10,073 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=90, Invalid=416, Unknown=0, NotChecked=0, Total=506 [2024-09-12 18:40:10,074 INFO L434 NwaCegarLoop]: 40 mSDtfsCounter, 107 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 235 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-09-12 18:40:10,074 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 235 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-09-12 18:40:10,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2024-09-12 18:40:10,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 502. [2024-09-12 18:40:10,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 502 states, 398 states have (on average 1.2110552763819096) internal successors, (482), 413 states have internal predecessors, (482), 79 states have call successors, (79), 11 states have call predecessors, (79), 10 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2024-09-12 18:40:10,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 638 transitions. [2024-09-12 18:40:10,273 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 638 transitions. Word has length 85 [2024-09-12 18:40:10,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:40:10,273 INFO L474 AbstractCegarLoop]: Abstraction has 502 states and 638 transitions. [2024-09-12 18:40:10,274 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 8 states have internal predecessors, (42), 4 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2024-09-12 18:40:10,274 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:40:10,274 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 638 transitions. [2024-09-12 18:40:10,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-09-12 18:40:10,275 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:40:10,275 INFO L216 NwaCegarLoop]: trace histogram [7, 6, 6, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:40:10,291 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-09-12 18:40:10,479 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,18 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 18:40:10,480 INFO L399 AbstractCegarLoop]: === Iteration 26 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2024-09-12 18:40:10,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:40:10,480 INFO L85 PathProgramCache]: Analyzing trace with hash -570513547, now seen corresponding path program 1 times [2024-09-12 18:40:10,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:40:10,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223570737] [2024-09-12 18:40:10,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:40:10,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:40:10,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-09-12 18:40:10,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1068866503] [2024-09-12 18:40:10,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:40:10,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 18:40:10,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 18:40:10,502 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 18:40:10,504 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-09-12 18:40:10,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:10,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-09-12 18:40:10,554 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 18:40:10,649 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-09-12 18:40:10,649 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 18:40:10,735 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-09-12 18:40:10,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:40:10,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223570737] [2024-09-12 18:40:10,735 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-09-12 18:40:10,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068866503] [2024-09-12 18:40:10,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1068866503] provided 1 perfect and 1 imperfect interpolant sequences [2024-09-12 18:40:10,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-12 18:40:10,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 9 [2024-09-12 18:40:10,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720324507] [2024-09-12 18:40:10,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:40:10,736 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-12 18:40:10,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:40:10,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-12 18:40:10,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-09-12 18:40:10,737 INFO L87 Difference]: Start difference. First operand 502 states and 638 transitions. Second operand has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-09-12 18:40:11,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:40:11,436 INFO L93 Difference]: Finished difference Result 508 states and 643 transitions. [2024-09-12 18:40:11,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-12 18:40:11,437 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 85 [2024-09-12 18:40:11,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:40:11,440 INFO L225 Difference]: With dead ends: 508 [2024-09-12 18:40:11,440 INFO L226 Difference]: Without dead ends: 506 [2024-09-12 18:40:11,440 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 160 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-09-12 18:40:11,442 INFO L434 NwaCegarLoop]: 31 mSDtfsCounter, 34 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-09-12 18:40:11,442 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 132 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-09-12 18:40:11,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2024-09-12 18:40:11,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 506. [2024-09-12 18:40:11,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 506 states, 401 states have (on average 1.2094763092269327) internal successors, (485), 416 states have internal predecessors, (485), 79 states have call successors, (79), 12 states have call predecessors, (79), 11 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2024-09-12 18:40:11,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 641 transitions. [2024-09-12 18:40:11,656 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 641 transitions. Word has length 85 [2024-09-12 18:40:11,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:40:11,656 INFO L474 AbstractCegarLoop]: Abstraction has 506 states and 641 transitions. [2024-09-12 18:40:11,656 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.5) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-09-12 18:40:11,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:40:11,657 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 641 transitions. [2024-09-12 18:40:11,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-09-12 18:40:11,657 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:40:11,657 INFO L216 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:40:11,674 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-09-12 18:40:11,861 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-09-12 18:40:11,862 INFO L399 AbstractCegarLoop]: === Iteration 27 === Targeting mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2024-09-12 18:40:11,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:40:11,862 INFO L85 PathProgramCache]: Analyzing trace with hash 600181512, now seen corresponding path program 1 times [2024-09-12 18:40:11,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:40:11,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052556152] [2024-09-12 18:40:11,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:40:11,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:40:11,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:11,924 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:40:11,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:11,926 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 18:40:11,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:11,929 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-09-12 18:40:11,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:11,931 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-09-12 18:40:11,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:11,933 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-09-12 18:40:11,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:11,936 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-09-12 18:40:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:11,939 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-09-12 18:40:11,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:11,941 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 18:40:11,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:11,944 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-09-12 18:40:11,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:11,945 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-09-12 18:40:11,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:11,949 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-09-12 18:40:11,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:11,951 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-09-12 18:40:11,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:11,954 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-09-12 18:40:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:11,956 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-09-12 18:40:11,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:40:11,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052556152] [2024-09-12 18:40:11,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052556152] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 18:40:11,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1199379833] [2024-09-12 18:40:11,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:40:11,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 18:40:11,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 18:40:11,959 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 18:40:11,962 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-09-12 18:40:12,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:12,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-09-12 18:40:12,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 18:40:12,069 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-09-12 18:40:12,069 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 18:40:12,198 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-09-12 18:40:12,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1199379833] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 18:40:12,198 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 18:40:12,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 10 [2024-09-12 18:40:12,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718588188] [2024-09-12 18:40:12,199 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 18:40:12,199 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-09-12 18:40:12,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:40:12,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-09-12 18:40:12,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2024-09-12 18:40:12,201 INFO L87 Difference]: Start difference. First operand 506 states and 641 transitions. Second operand has 11 states, 10 states have (on average 10.6) internal successors, (106), 11 states have internal predecessors, (106), 10 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (31), 10 states have call predecessors, (31), 10 states have call successors, (31) [2024-09-12 18:40:12,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:40:12,914 INFO L93 Difference]: Finished difference Result 778 states and 1002 transitions. [2024-09-12 18:40:12,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-09-12 18:40:12,915 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 10.6) internal successors, (106), 11 states have internal predecessors, (106), 10 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (31), 10 states have call predecessors, (31), 10 states have call successors, (31) Word has length 102 [2024-09-12 18:40:12,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:40:12,919 INFO L225 Difference]: With dead ends: 778 [2024-09-12 18:40:12,919 INFO L226 Difference]: Without dead ends: 776 [2024-09-12 18:40:12,920 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=157, Invalid=305, Unknown=0, NotChecked=0, Total=462 [2024-09-12 18:40:12,920 INFO L434 NwaCegarLoop]: 80 mSDtfsCounter, 620 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 358 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 623 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 358 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-09-12 18:40:12,920 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [623 Valid, 389 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 358 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-09-12 18:40:12,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 776 states. [2024-09-12 18:40:13,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 776 to 653. [2024-09-12 18:40:13,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 653 states, 520 states have (on average 1.1942307692307692) internal successors, (621), 534 states have internal predecessors, (621), 108 states have call successors, (108), 12 states have call predecessors, (108), 11 states have return successors, (106), 106 states have call predecessors, (106), 106 states have call successors, (106) [2024-09-12 18:40:13,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 835 transitions. [2024-09-12 18:40:13,149 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 835 transitions. Word has length 102 [2024-09-12 18:40:13,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:40:13,149 INFO L474 AbstractCegarLoop]: Abstraction has 653 states and 835 transitions. [2024-09-12 18:40:13,149 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 10.6) internal successors, (106), 11 states have internal predecessors, (106), 10 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (31), 10 states have call predecessors, (31), 10 states have call successors, (31) [2024-09-12 18:40:13,150 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:40:13,150 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 835 transitions. [2024-09-12 18:40:13,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-09-12 18:40:13,151 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:40:13,151 INFO L216 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:40:13,168 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-09-12 18:40:13,351 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-09-12 18:40:13,351 INFO L399 AbstractCegarLoop]: === Iteration 28 === Targeting mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2024-09-12 18:40:13,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:40:13,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1248818816, now seen corresponding path program 1 times [2024-09-12 18:40:13,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:40:13,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358231288] [2024-09-12 18:40:13,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:40:13,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:40:13,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:13,393 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:40:13,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:13,396 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 18:40:13,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:13,398 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-09-12 18:40:13,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:13,399 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-09-12 18:40:13,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:13,400 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-09-12 18:40:13,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:13,402 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-09-12 18:40:13,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:13,404 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-09-12 18:40:13,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:13,405 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 18:40:13,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:13,406 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-09-12 18:40:13,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:13,407 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-09-12 18:40:13,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:13,409 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-09-12 18:40:13,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:13,412 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-09-12 18:40:13,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:13,414 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-09-12 18:40:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:13,415 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-09-12 18:40:13,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:40:13,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358231288] [2024-09-12 18:40:13,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358231288] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:40:13,416 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 18:40:13,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-12 18:40:13,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507841600] [2024-09-12 18:40:13,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:40:13,417 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-12 18:40:13,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:40:13,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-12 18:40:13,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-12 18:40:13,418 INFO L87 Difference]: Start difference. First operand 653 states and 835 transitions. Second operand has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-09-12 18:40:13,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:40:13,740 INFO L93 Difference]: Finished difference Result 653 states and 835 transitions. [2024-09-12 18:40:13,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-12 18:40:13,740 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 104 [2024-09-12 18:40:13,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:40:13,743 INFO L225 Difference]: With dead ends: 653 [2024-09-12 18:40:13,743 INFO L226 Difference]: Without dead ends: 652 [2024-09-12 18:40:13,743 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-09-12 18:40:13,743 INFO L434 NwaCegarLoop]: 70 mSDtfsCounter, 15 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-12 18:40:13,744 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 161 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-12 18:40:13,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2024-09-12 18:40:14,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 652. [2024-09-12 18:40:14,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 652 states, 520 states have (on average 1.1865384615384615) internal successors, (617), 533 states have internal predecessors, (617), 108 states have call successors, (108), 12 states have call predecessors, (108), 11 states have return successors, (106), 106 states have call predecessors, (106), 106 states have call successors, (106) [2024-09-12 18:40:14,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 831 transitions. [2024-09-12 18:40:14,012 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 831 transitions. Word has length 104 [2024-09-12 18:40:14,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:40:14,013 INFO L474 AbstractCegarLoop]: Abstraction has 652 states and 831 transitions. [2024-09-12 18:40:14,013 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.666666666666666) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2024-09-12 18:40:14,013 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:40:14,013 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 831 transitions. [2024-09-12 18:40:14,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-09-12 18:40:14,014 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:40:14,014 INFO L216 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:40:14,014 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-09-12 18:40:14,015 INFO L399 AbstractCegarLoop]: === Iteration 29 === Targeting mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2024-09-12 18:40:14,015 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:40:14,015 INFO L85 PathProgramCache]: Analyzing trace with hash 1819010850, now seen corresponding path program 1 times [2024-09-12 18:40:14,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:40:14,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136224827] [2024-09-12 18:40:14,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:40:14,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:40:14,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:14,074 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:40:14,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:14,076 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 18:40:14,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:14,078 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-09-12 18:40:14,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:14,079 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-09-12 18:40:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:14,080 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-09-12 18:40:14,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:14,081 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-09-12 18:40:14,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:14,083 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-09-12 18:40:14,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:14,086 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 18:40:14,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:14,089 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-09-12 18:40:14,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:14,091 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-09-12 18:40:14,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:14,093 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-09-12 18:40:14,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:14,095 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-09-12 18:40:14,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:14,098 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-09-12 18:40:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:14,102 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-09-12 18:40:14,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:40:14,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136224827] [2024-09-12 18:40:14,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136224827] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 18:40:14,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1537162059] [2024-09-12 18:40:14,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:40:14,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 18:40:14,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 18:40:14,104 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 18:40:14,107 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-09-12 18:40:14,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:14,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-09-12 18:40:14,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 18:40:14,282 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-09-12 18:40:14,282 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-12 18:40:14,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1537162059] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:40:14,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-12 18:40:14,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-09-12 18:40:14,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560086776] [2024-09-12 18:40:14,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:40:14,283 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-12 18:40:14,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:40:14,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-12 18:40:14,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-09-12 18:40:14,284 INFO L87 Difference]: Start difference. First operand 652 states and 831 transitions. Second operand has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-09-12 18:40:14,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:40:14,611 INFO L93 Difference]: Finished difference Result 670 states and 858 transitions. [2024-09-12 18:40:14,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-12 18:40:14,612 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) Word has length 106 [2024-09-12 18:40:14,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:40:14,615 INFO L225 Difference]: With dead ends: 670 [2024-09-12 18:40:14,615 INFO L226 Difference]: Without dead ends: 669 [2024-09-12 18:40:14,616 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2024-09-12 18:40:14,616 INFO L434 NwaCegarLoop]: 79 mSDtfsCounter, 46 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 18:40:14,616 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 157 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 18:40:14,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2024-09-12 18:40:14,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 651. [2024-09-12 18:40:14,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 651 states, 520 states have (on average 1.1788461538461539) internal successors, (613), 532 states have internal predecessors, (613), 108 states have call successors, (108), 12 states have call predecessors, (108), 11 states have return successors, (106), 106 states have call predecessors, (106), 106 states have call successors, (106) [2024-09-12 18:40:14,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 827 transitions. [2024-09-12 18:40:14,836 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 827 transitions. Word has length 106 [2024-09-12 18:40:14,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:40:14,836 INFO L474 AbstractCegarLoop]: Abstraction has 651 states and 827 transitions. [2024-09-12 18:40:14,836 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 4 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 4 states have call predecessors, (13), 4 states have call successors, (13) [2024-09-12 18:40:14,837 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:40:14,837 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 827 transitions. [2024-09-12 18:40:14,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-09-12 18:40:14,837 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:40:14,838 INFO L216 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:40:14,852 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-09-12 18:40:15,041 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-09-12 18:40:15,041 INFO L399 AbstractCegarLoop]: === Iteration 30 === Targeting mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2024-09-12 18:40:15,042 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:40:15,042 INFO L85 PathProgramCache]: Analyzing trace with hash 554761639, now seen corresponding path program 1 times [2024-09-12 18:40:15,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:40:15,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [228378499] [2024-09-12 18:40:15,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:40:15,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:40:15,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:15,106 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:40:15,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:15,108 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 18:40:15,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:15,109 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-09-12 18:40:15,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:15,110 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-09-12 18:40:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:15,111 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-09-12 18:40:15,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:15,113 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-09-12 18:40:15,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:15,115 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-09-12 18:40:15,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:15,117 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 18:40:15,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:15,119 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-09-12 18:40:15,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:15,121 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-09-12 18:40:15,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:15,123 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-09-12 18:40:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:15,125 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-09-12 18:40:15,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:15,128 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-09-12 18:40:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:15,130 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-09-12 18:40:15,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:40:15,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [228378499] [2024-09-12 18:40:15,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [228378499] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 18:40:15,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1031172046] [2024-09-12 18:40:15,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:40:15,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 18:40:15,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 18:40:15,133 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 18:40:15,134 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-09-12 18:40:15,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:15,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-09-12 18:40:15,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 18:40:15,317 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-09-12 18:40:15,317 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 18:40:15,444 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-09-12 18:40:15,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1031172046] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 18:40:15,447 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 18:40:15,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-09-12 18:40:15,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128269251] [2024-09-12 18:40:15,447 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 18:40:15,448 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-09-12 18:40:15,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:40:15,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-09-12 18:40:15,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2024-09-12 18:40:15,449 INFO L87 Difference]: Start difference. First operand 651 states and 827 transitions. Second operand has 11 states, 10 states have (on average 13.2) internal successors, (132), 11 states have internal predecessors, (132), 10 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (31), 10 states have call predecessors, (31), 10 states have call successors, (31) [2024-09-12 18:40:16,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:40:16,176 INFO L93 Difference]: Finished difference Result 1038 states and 1335 transitions. [2024-09-12 18:40:16,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-12 18:40:16,176 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 13.2) internal successors, (132), 11 states have internal predecessors, (132), 10 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (31), 10 states have call predecessors, (31), 10 states have call successors, (31) Word has length 107 [2024-09-12 18:40:16,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:40:16,181 INFO L225 Difference]: With dead ends: 1038 [2024-09-12 18:40:16,181 INFO L226 Difference]: Without dead ends: 1036 [2024-09-12 18:40:16,182 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2024-09-12 18:40:16,182 INFO L434 NwaCegarLoop]: 49 mSDtfsCounter, 230 mSDsluCounter, 333 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-12 18:40:16,183 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 382 Invalid, 410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-12 18:40:16,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2024-09-12 18:40:16,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 834. [2024-09-12 18:40:16,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 834 states, 673 states have (on average 1.1723625557206538) internal successors, (789), 685 states have internal predecessors, (789), 138 states have call successors, (138), 12 states have call predecessors, (138), 11 states have return successors, (136), 136 states have call predecessors, (136), 136 states have call successors, (136) [2024-09-12 18:40:16,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 1063 transitions. [2024-09-12 18:40:16,469 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 1063 transitions. Word has length 107 [2024-09-12 18:40:16,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:40:16,469 INFO L474 AbstractCegarLoop]: Abstraction has 834 states and 1063 transitions. [2024-09-12 18:40:16,470 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 13.2) internal successors, (132), 11 states have internal predecessors, (132), 10 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (31), 10 states have call predecessors, (31), 10 states have call successors, (31) [2024-09-12 18:40:16,470 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:40:16,470 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1063 transitions. [2024-09-12 18:40:16,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-09-12 18:40:16,471 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:40:16,471 INFO L216 NwaCegarLoop]: trace histogram [10, 9, 9, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:40:16,487 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-09-12 18:40:16,675 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,22 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 18:40:16,676 INFO L399 AbstractCegarLoop]: === Iteration 31 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2024-09-12 18:40:16,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:40:16,676 INFO L85 PathProgramCache]: Analyzing trace with hash -712292083, now seen corresponding path program 2 times [2024-09-12 18:40:16,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:40:16,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089217354] [2024-09-12 18:40:16,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:40:16,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:40:16,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:16,785 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:40:16,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:16,787 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 18:40:16,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:16,788 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-09-12 18:40:16,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:16,789 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-09-12 18:40:16,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:16,790 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-09-12 18:40:16,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:16,792 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-09-12 18:40:16,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:16,793 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-09-12 18:40:16,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:16,794 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 18:40:16,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:16,795 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-09-12 18:40:16,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:16,796 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-09-12 18:40:16,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:16,798 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-09-12 18:40:16,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:16,810 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-09-12 18:40:16,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:16,812 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-09-12 18:40:16,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:16,814 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 49 proven. 7 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-09-12 18:40:16,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:40:16,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089217354] [2024-09-12 18:40:16,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089217354] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 18:40:16,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1052029756] [2024-09-12 18:40:16,815 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-12 18:40:16,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 18:40:16,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 18:40:16,817 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 18:40:16,818 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-09-12 18:40:16,871 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-12 18:40:16,871 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 18:40:16,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-09-12 18:40:16,878 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 18:40:17,066 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 57 proven. 17 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-09-12 18:40:17,067 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 18:40:17,220 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 66 proven. 8 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-09-12 18:40:17,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1052029756] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 18:40:17,220 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 18:40:17,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 8] total 15 [2024-09-12 18:40:17,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798888162] [2024-09-12 18:40:17,221 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 18:40:17,221 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-09-12 18:40:17,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:40:17,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-09-12 18:40:17,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-09-12 18:40:17,222 INFO L87 Difference]: Start difference. First operand 834 states and 1063 transitions. Second operand has 15 states, 15 states have (on average 6.533333333333333) internal successors, (98), 14 states have internal predecessors, (98), 8 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (25), 7 states have call predecessors, (25), 7 states have call successors, (25) [2024-09-12 18:40:18,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:40:18,319 INFO L93 Difference]: Finished difference Result 849 states and 1073 transitions. [2024-09-12 18:40:18,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-09-12 18:40:18,319 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 6.533333333333333) internal successors, (98), 14 states have internal predecessors, (98), 8 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (25), 7 states have call predecessors, (25), 7 states have call successors, (25) Word has length 111 [2024-09-12 18:40:18,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:40:18,323 INFO L225 Difference]: With dead ends: 849 [2024-09-12 18:40:18,323 INFO L226 Difference]: Without dead ends: 847 [2024-09-12 18:40:18,324 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 258 GetRequests, 241 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2024-09-12 18:40:18,324 INFO L434 NwaCegarLoop]: 29 mSDtfsCounter, 78 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 513 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 538 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 513 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-09-12 18:40:18,324 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 249 Invalid, 538 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 513 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-09-12 18:40:18,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 847 states. [2024-09-12 18:40:18,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 847 to 842. [2024-09-12 18:40:18,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 842 states, 679 states have (on average 1.170839469808542) internal successors, (795), 691 states have internal predecessors, (795), 138 states have call successors, (138), 14 states have call predecessors, (138), 13 states have return successors, (136), 136 states have call predecessors, (136), 136 states have call successors, (136) [2024-09-12 18:40:18,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 842 states and 1069 transitions. [2024-09-12 18:40:18,646 INFO L78 Accepts]: Start accepts. Automaton has 842 states and 1069 transitions. Word has length 111 [2024-09-12 18:40:18,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:40:18,646 INFO L474 AbstractCegarLoop]: Abstraction has 842 states and 1069 transitions. [2024-09-12 18:40:18,647 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 6.533333333333333) internal successors, (98), 14 states have internal predecessors, (98), 8 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (25), 7 states have call predecessors, (25), 7 states have call successors, (25) [2024-09-12 18:40:18,647 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:40:18,647 INFO L276 IsEmpty]: Start isEmpty. Operand 842 states and 1069 transitions. [2024-09-12 18:40:18,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-09-12 18:40:18,648 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:40:18,648 INFO L216 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:40:18,662 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-09-12 18:40:18,848 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2024-09-12 18:40:18,848 INFO L399 AbstractCegarLoop]: === Iteration 32 === Targeting mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2024-09-12 18:40:18,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:40:18,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1065212877, now seen corresponding path program 1 times [2024-09-12 18:40:18,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:40:18,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243907121] [2024-09-12 18:40:18,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:40:18,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:40:18,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-09-12 18:40:18,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [146151897] [2024-09-12 18:40:18,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:40:18,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 18:40:18,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 18:40:18,863 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 18:40:18,865 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-09-12 18:40:18,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:18,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-09-12 18:40:18,923 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 18:40:19,342 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-09-12 18:40:19,342 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 18:40:19,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:40:19,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243907121] [2024-09-12 18:40:19,460 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-09-12 18:40:19,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [146151897] [2024-09-12 18:40:19,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [146151897] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 18:40:19,460 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-09-12 18:40:19,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-09-12 18:40:19,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627288317] [2024-09-12 18:40:19,460 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-09-12 18:40:19,461 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-12 18:40:19,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:40:19,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-12 18:40:19,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-09-12 18:40:19,461 INFO L87 Difference]: Start difference. First operand 842 states and 1069 transitions. Second operand has 12 states, 11 states have (on average 5.181818181818182) internal successors, (57), 12 states have internal predecessors, (57), 7 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-09-12 18:40:20,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:40:20,233 INFO L93 Difference]: Finished difference Result 926 states and 1172 transitions. [2024-09-12 18:40:20,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-12 18:40:20,234 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.181818181818182) internal successors, (57), 12 states have internal predecessors, (57), 7 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) Word has length 116 [2024-09-12 18:40:20,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:40:20,238 INFO L225 Difference]: With dead ends: 926 [2024-09-12 18:40:20,238 INFO L226 Difference]: Without dead ends: 923 [2024-09-12 18:40:20,239 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=126, Invalid=474, Unknown=0, NotChecked=0, Total=600 [2024-09-12 18:40:20,239 INFO L434 NwaCegarLoop]: 78 mSDtfsCounter, 205 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 409 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-09-12 18:40:20,239 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 409 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 654 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-09-12 18:40:20,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2024-09-12 18:40:20,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 907. [2024-09-12 18:40:20,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 907 states, 732 states have (on average 1.1680327868852458) internal successors, (855), 744 states have internal predecessors, (855), 150 states have call successors, (150), 14 states have call predecessors, (150), 13 states have return successors, (148), 148 states have call predecessors, (148), 148 states have call successors, (148) [2024-09-12 18:40:20,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1153 transitions. [2024-09-12 18:40:20,696 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1153 transitions. Word has length 116 [2024-09-12 18:40:20,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:40:20,696 INFO L474 AbstractCegarLoop]: Abstraction has 907 states and 1153 transitions. [2024-09-12 18:40:20,696 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.181818181818182) internal successors, (57), 12 states have internal predecessors, (57), 7 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-09-12 18:40:20,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:40:20,697 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1153 transitions. [2024-09-12 18:40:20,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-09-12 18:40:20,697 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:40:20,697 INFO L216 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:40:20,709 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-09-12 18:40:20,897 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2024-09-12 18:40:20,898 INFO L399 AbstractCegarLoop]: === Iteration 33 === Targeting mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2024-09-12 18:40:20,898 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:40:20,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1338139247, now seen corresponding path program 1 times [2024-09-12 18:40:20,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:40:20,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128370475] [2024-09-12 18:40:20,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:40:20,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:40:20,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-09-12 18:40:20,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [242636515] [2024-09-12 18:40:20,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:40:20,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 18:40:20,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 18:40:20,913 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 18:40:20,914 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-09-12 18:40:20,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:20,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-09-12 18:40:20,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 18:40:21,388 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-09-12 18:40:21,388 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 18:40:22,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:40:22,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128370475] [2024-09-12 18:40:22,146 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-09-12 18:40:22,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [242636515] [2024-09-12 18:40:22,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [242636515] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 18:40:22,147 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-09-12 18:40:22,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-09-12 18:40:22,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720678728] [2024-09-12 18:40:22,147 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-09-12 18:40:22,147 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-12 18:40:22,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:40:22,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-12 18:40:22,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2024-09-12 18:40:22,148 INFO L87 Difference]: Start difference. First operand 907 states and 1153 transitions. Second operand has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 7 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-09-12 18:40:22,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:40:22,937 INFO L93 Difference]: Finished difference Result 924 states and 1165 transitions. [2024-09-12 18:40:22,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-12 18:40:22,937 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 7 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) Word has length 117 [2024-09-12 18:40:22,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:40:22,941 INFO L225 Difference]: With dead ends: 924 [2024-09-12 18:40:22,941 INFO L226 Difference]: Without dead ends: 923 [2024-09-12 18:40:22,942 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=105, Invalid=401, Unknown=0, NotChecked=0, Total=506 [2024-09-12 18:40:22,942 INFO L434 NwaCegarLoop]: 77 mSDtfsCounter, 174 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 679 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 438 SdHoareTripleChecker+Invalid, 699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 679 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-09-12 18:40:22,942 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 438 Invalid, 699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 679 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-09-12 18:40:22,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2024-09-12 18:40:23,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 907. [2024-09-12 18:40:23,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 907 states, 732 states have (on average 1.1666666666666667) internal successors, (854), 744 states have internal predecessors, (854), 150 states have call successors, (150), 14 states have call predecessors, (150), 13 states have return successors, (148), 148 states have call predecessors, (148), 148 states have call successors, (148) [2024-09-12 18:40:23,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 907 states to 907 states and 1152 transitions. [2024-09-12 18:40:23,228 INFO L78 Accepts]: Start accepts. Automaton has 907 states and 1152 transitions. Word has length 117 [2024-09-12 18:40:23,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:40:23,228 INFO L474 AbstractCegarLoop]: Abstraction has 907 states and 1152 transitions. [2024-09-12 18:40:23,228 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 7 states have call successors, (15), 1 states have call predecessors, (15), 2 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) [2024-09-12 18:40:23,229 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:40:23,229 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1152 transitions. [2024-09-12 18:40:23,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-09-12 18:40:23,230 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:40:23,230 INFO L216 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:40:23,242 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-09-12 18:40:23,430 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2024-09-12 18:40:23,431 INFO L399 AbstractCegarLoop]: === Iteration 34 === Targeting mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2024-09-12 18:40:23,431 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:40:23,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1467356235, now seen corresponding path program 1 times [2024-09-12 18:40:23,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:40:23,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209379039] [2024-09-12 18:40:23,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:40:23,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:40:23,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:23,493 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:40:23,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:23,495 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 18:40:23,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:23,496 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-09-12 18:40:23,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:23,498 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-09-12 18:40:23,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:23,501 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-09-12 18:40:23,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:23,502 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-09-12 18:40:23,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:23,503 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-09-12 18:40:23,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:23,504 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 18:40:23,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:23,505 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-09-12 18:40:23,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:23,507 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-09-12 18:40:23,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:23,509 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-09-12 18:40:23,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:23,511 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-09-12 18:40:23,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:23,513 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-09-12 18:40:23,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:23,514 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-09-12 18:40:23,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:23,517 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-09-12 18:40:23,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:40:23,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209379039] [2024-09-12 18:40:23,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209379039] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:40:23,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 18:40:23,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-12 18:40:23,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878840031] [2024-09-12 18:40:23,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:40:23,518 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-12 18:40:23,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:40:23,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-12 18:40:23,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-09-12 18:40:23,519 INFO L87 Difference]: Start difference. First operand 907 states and 1152 transitions. Second operand has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-09-12 18:40:24,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:40:24,454 INFO L93 Difference]: Finished difference Result 910 states and 1152 transitions. [2024-09-12 18:40:24,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-12 18:40:24,454 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 118 [2024-09-12 18:40:24,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:40:24,459 INFO L225 Difference]: With dead ends: 910 [2024-09-12 18:40:24,459 INFO L226 Difference]: Without dead ends: 909 [2024-09-12 18:40:24,460 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2024-09-12 18:40:24,460 INFO L434 NwaCegarLoop]: 68 mSDtfsCounter, 82 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-09-12 18:40:24,460 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 236 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-09-12 18:40:24,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 909 states. [2024-09-12 18:40:24,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 909 to 894. [2024-09-12 18:40:24,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 894 states, 720 states have (on average 1.1527777777777777) internal successors, (830), 735 states have internal predecessors, (830), 150 states have call successors, (150), 14 states have call predecessors, (150), 13 states have return successors, (148), 144 states have call predecessors, (148), 148 states have call successors, (148) [2024-09-12 18:40:24,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 894 states to 894 states and 1128 transitions. [2024-09-12 18:40:24,737 INFO L78 Accepts]: Start accepts. Automaton has 894 states and 1128 transitions. Word has length 118 [2024-09-12 18:40:24,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:40:24,737 INFO L474 AbstractCegarLoop]: Abstraction has 894 states and 1128 transitions. [2024-09-12 18:40:24,737 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 6 states have internal predecessors, (56), 4 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-09-12 18:40:24,738 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:40:24,738 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1128 transitions. [2024-09-12 18:40:24,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-09-12 18:40:24,738 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:40:24,739 INFO L216 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:40:24,739 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-09-12 18:40:24,739 INFO L399 AbstractCegarLoop]: === Iteration 35 === Targeting mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2024-09-12 18:40:24,739 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:40:24,739 INFO L85 PathProgramCache]: Analyzing trace with hash -1993469081, now seen corresponding path program 2 times [2024-09-12 18:40:24,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:40:24,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180422227] [2024-09-12 18:40:24,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:40:24,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:40:24,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:24,866 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:40:24,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:24,868 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 18:40:24,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:24,891 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-09-12 18:40:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:24,893 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-09-12 18:40:24,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:24,901 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-09-12 18:40:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:24,906 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-09-12 18:40:24,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:24,908 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-09-12 18:40:24,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:24,910 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 18:40:24,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:24,911 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-09-12 18:40:24,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:24,913 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-09-12 18:40:24,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:24,915 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-09-12 18:40:24,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:24,917 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-09-12 18:40:24,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:24,919 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-09-12 18:40:24,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:24,920 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-09-12 18:40:24,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:24,922 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 18 proven. 16 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-09-12 18:40:24,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:40:24,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180422227] [2024-09-12 18:40:24,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180422227] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 18:40:24,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [276730612] [2024-09-12 18:40:24,923 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-12 18:40:24,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 18:40:24,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 18:40:24,924 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 18:40:24,925 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-09-12 18:40:24,968 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-12 18:40:24,968 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 18:40:24,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-09-12 18:40:24,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 18:40:25,246 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-09-12 18:40:25,246 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 18:40:25,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [276730612] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 18:40:25,619 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-09-12 18:40:25,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10] total 16 [2024-09-12 18:40:25,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524891565] [2024-09-12 18:40:25,619 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-09-12 18:40:25,619 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-09-12 18:40:25,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:40:25,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-09-12 18:40:25,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2024-09-12 18:40:25,620 INFO L87 Difference]: Start difference. First operand 894 states and 1128 transitions. Second operand has 16 states, 16 states have (on average 6.8125) internal successors, (109), 15 states have internal predecessors, (109), 11 states have call successors, (27), 1 states have call predecessors, (27), 2 states have return successors, (27), 12 states have call predecessors, (27), 11 states have call successors, (27) [2024-09-12 18:40:26,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:40:26,346 INFO L93 Difference]: Finished difference Result 961 states and 1187 transitions. [2024-09-12 18:40:26,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-12 18:40:26,346 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 6.8125) internal successors, (109), 15 states have internal predecessors, (109), 11 states have call successors, (27), 1 states have call predecessors, (27), 2 states have return successors, (27), 12 states have call predecessors, (27), 11 states have call successors, (27) Word has length 119 [2024-09-12 18:40:26,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:40:26,349 INFO L225 Difference]: With dead ends: 961 [2024-09-12 18:40:26,349 INFO L226 Difference]: Without dead ends: 411 [2024-09-12 18:40:26,351 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=162, Invalid=594, Unknown=0, NotChecked=0, Total=756 [2024-09-12 18:40:26,351 INFO L434 NwaCegarLoop]: 47 mSDtfsCounter, 251 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-12 18:40:26,351 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 367 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 577 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-12 18:40:26,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2024-09-12 18:40:26,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 385. [2024-09-12 18:40:26,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 306 states have (on average 1.0718954248366013) internal successors, (328), 315 states have internal predecessors, (328), 61 states have call successors, (61), 13 states have call predecessors, (61), 12 states have return successors, (59), 56 states have call predecessors, (59), 59 states have call successors, (59) [2024-09-12 18:40:26,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 448 transitions. [2024-09-12 18:40:26,500 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 448 transitions. Word has length 119 [2024-09-12 18:40:26,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:40:26,501 INFO L474 AbstractCegarLoop]: Abstraction has 385 states and 448 transitions. [2024-09-12 18:40:26,501 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 6.8125) internal successors, (109), 15 states have internal predecessors, (109), 11 states have call successors, (27), 1 states have call predecessors, (27), 2 states have return successors, (27), 12 states have call predecessors, (27), 11 states have call successors, (27) [2024-09-12 18:40:26,501 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:40:26,501 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 448 transitions. [2024-09-12 18:40:26,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-09-12 18:40:26,502 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:40:26,502 INFO L216 NwaCegarLoop]: trace histogram [11, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:40:26,513 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-09-12 18:40:26,702 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-09-12 18:40:26,702 INFO L399 AbstractCegarLoop]: === Iteration 36 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2024-09-12 18:40:26,703 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:40:26,703 INFO L85 PathProgramCache]: Analyzing trace with hash -2131073635, now seen corresponding path program 1 times [2024-09-12 18:40:26,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:40:26,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771492133] [2024-09-12 18:40:26,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:40:26,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:40:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-09-12 18:40:26,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [83552918] [2024-09-12 18:40:26,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:40:26,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 18:40:26,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 18:40:26,724 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 18:40:26,725 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-09-12 18:40:26,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:26,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-09-12 18:40:26,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 18:40:27,271 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 31 proven. 38 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-09-12 18:40:27,272 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 18:40:33,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:40:33,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771492133] [2024-09-12 18:40:33,657 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-09-12 18:40:33,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83552918] [2024-09-12 18:40:33,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [83552918] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 18:40:33,658 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-09-12 18:40:33,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2024-09-12 18:40:33,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070835571] [2024-09-12 18:40:33,658 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-09-12 18:40:33,658 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-09-12 18:40:33,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:40:33,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-09-12 18:40:33,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=454, Unknown=1, NotChecked=0, Total=552 [2024-09-12 18:40:33,659 INFO L87 Difference]: Start difference. First operand 385 states and 448 transitions. Second operand has 15 states, 15 states have (on average 4.2) internal successors, (63), 14 states have internal predecessors, (63), 6 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 7 states have call predecessors, (14), 6 states have call successors, (14) [2024-09-12 18:40:34,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:40:34,344 INFO L93 Difference]: Finished difference Result 412 states and 470 transitions. [2024-09-12 18:40:34,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-12 18:40:34,344 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.2) internal successors, (63), 14 states have internal predecessors, (63), 6 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 7 states have call predecessors, (14), 6 states have call successors, (14) Word has length 123 [2024-09-12 18:40:34,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:40:34,346 INFO L225 Difference]: With dead ends: 412 [2024-09-12 18:40:34,346 INFO L226 Difference]: Without dead ends: 405 [2024-09-12 18:40:34,346 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=104, Invalid=495, Unknown=1, NotChecked=0, Total=600 [2024-09-12 18:40:34,347 INFO L434 NwaCegarLoop]: 55 mSDtfsCounter, 32 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 1074 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 1094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1074 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-09-12 18:40:34,347 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 500 Invalid, 1094 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1074 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-09-12 18:40:34,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-09-12 18:40:34,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2024-09-12 18:40:34,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 321 states have (on average 1.0654205607476634) internal successors, (342), 330 states have internal predecessors, (342), 61 states have call successors, (61), 18 states have call predecessors, (61), 17 states have return successors, (59), 56 states have call predecessors, (59), 59 states have call successors, (59) [2024-09-12 18:40:34,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 462 transitions. [2024-09-12 18:40:34,480 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 462 transitions. Word has length 123 [2024-09-12 18:40:34,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:40:34,480 INFO L474 AbstractCegarLoop]: Abstraction has 405 states and 462 transitions. [2024-09-12 18:40:34,480 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.2) internal successors, (63), 14 states have internal predecessors, (63), 6 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (14), 7 states have call predecessors, (14), 6 states have call successors, (14) [2024-09-12 18:40:34,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:40:34,480 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 462 transitions. [2024-09-12 18:40:34,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-09-12 18:40:34,481 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:40:34,481 INFO L216 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:40:34,492 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-09-12 18:40:34,681 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,27 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 18:40:34,681 INFO L399 AbstractCegarLoop]: === Iteration 37 === Targeting mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2024-09-12 18:40:34,682 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:40:34,682 INFO L85 PathProgramCache]: Analyzing trace with hash 974780895, now seen corresponding path program 2 times [2024-09-12 18:40:34,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:40:34,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502516309] [2024-09-12 18:40:34,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:40:34,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:40:34,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:34,742 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:40:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:34,744 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 18:40:34,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:34,746 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-09-12 18:40:34,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:34,747 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-09-12 18:40:34,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:34,748 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-09-12 18:40:34,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:34,749 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-09-12 18:40:34,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:34,752 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-09-12 18:40:34,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:34,755 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 18:40:34,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:34,757 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-09-12 18:40:34,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:34,758 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-09-12 18:40:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:34,760 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-09-12 18:40:34,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:34,762 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-09-12 18:40:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:34,763 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-09-12 18:40:34,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:34,764 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-09-12 18:40:34,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:34,765 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-09-12 18:40:34,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:34,767 INFO L134 CoverageAnalysis]: Checked inductivity of 271 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-09-12 18:40:34,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:40:34,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502516309] [2024-09-12 18:40:34,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502516309] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 18:40:34,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 18:40:34,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-09-12 18:40:34,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039912139] [2024-09-12 18:40:34,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 18:40:34,768 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-12 18:40:34,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:40:34,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-12 18:40:34,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-09-12 18:40:34,769 INFO L87 Difference]: Start difference. First operand 405 states and 462 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2024-09-12 18:40:35,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:40:35,083 INFO L93 Difference]: Finished difference Result 514 states and 582 transitions. [2024-09-12 18:40:35,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-12 18:40:35,084 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) Word has length 126 [2024-09-12 18:40:35,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:40:35,086 INFO L225 Difference]: With dead ends: 514 [2024-09-12 18:40:35,086 INFO L226 Difference]: Without dead ends: 249 [2024-09-12 18:40:35,087 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-09-12 18:40:35,087 INFO L434 NwaCegarLoop]: 52 mSDtfsCounter, 36 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-12 18:40:35,087 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 159 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-12 18:40:35,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2024-09-12 18:40:35,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 243. [2024-09-12 18:40:35,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 187 states have (on average 1.0695187165775402) internal successors, (200), 193 states have internal predecessors, (200), 35 states have call successors, (35), 16 states have call predecessors, (35), 15 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-09-12 18:40:35,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 268 transitions. [2024-09-12 18:40:35,181 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 268 transitions. Word has length 126 [2024-09-12 18:40:35,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:40:35,183 INFO L474 AbstractCegarLoop]: Abstraction has 243 states and 268 transitions. [2024-09-12 18:40:35,183 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (15), 4 states have call predecessors, (15), 4 states have call successors, (15) [2024-09-12 18:40:35,183 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:40:35,183 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 268 transitions. [2024-09-12 18:40:35,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-09-12 18:40:35,184 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 18:40:35,184 INFO L216 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:40:35,184 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-09-12 18:40:35,184 INFO L399 AbstractCegarLoop]: === Iteration 38 === Targeting mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2024-09-12 18:40:35,184 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:40:35,184 INFO L85 PathProgramCache]: Analyzing trace with hash 194950879, now seen corresponding path program 2 times [2024-09-12 18:40:35,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 18:40:35,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177569847] [2024-09-12 18:40:35,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 18:40:35,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 18:40:35,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:35,395 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 18:40:35,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:35,397 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-09-12 18:40:35,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:35,420 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-09-12 18:40:35,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:35,422 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-09-12 18:40:35,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:35,424 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-09-12 18:40:35,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:35,427 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-09-12 18:40:35,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:35,430 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-09-12 18:40:35,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:35,433 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-09-12 18:40:35,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:35,438 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-09-12 18:40:35,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:35,442 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-09-12 18:40:35,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:35,447 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-09-12 18:40:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:35,450 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-09-12 18:40:35,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:35,454 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-09-12 18:40:35,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:35,457 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-09-12 18:40:35,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:35,460 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-09-12 18:40:35,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:35,463 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-09-12 18:40:35,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:35,465 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-09-12 18:40:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:35,466 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-09-12 18:40:35,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:35,467 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-09-12 18:40:35,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 18:40:35,469 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 40 proven. 29 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2024-09-12 18:40:35,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 18:40:35,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177569847] [2024-09-12 18:40:35,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177569847] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 18:40:35,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1544363403] [2024-09-12 18:40:35,470 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-12 18:40:35,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 18:40:35,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 18:40:35,472 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-09-12 18:40:35,473 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-09-12 18:40:35,540 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-12 18:40:35,540 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 18:40:35,544 INFO L262 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-09-12 18:40:35,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 18:40:35,751 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 226 proven. 19 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-09-12 18:40:35,751 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 18:40:36,060 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 40 proven. 29 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2024-09-12 18:40:36,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1544363403] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 18:40:36,060 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 18:40:36,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 22 [2024-09-12 18:40:36,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499483890] [2024-09-12 18:40:36,061 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 18:40:36,061 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-09-12 18:40:36,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 18:40:36,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-09-12 18:40:36,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=380, Unknown=0, NotChecked=0, Total=462 [2024-09-12 18:40:36,062 INFO L87 Difference]: Start difference. First operand 243 states and 268 transitions. Second operand has 22 states, 22 states have (on average 8.318181818181818) internal successors, (183), 22 states have internal predecessors, (183), 16 states have call successors, (48), 2 states have call predecessors, (48), 3 states have return successors, (48), 16 states have call predecessors, (48), 16 states have call successors, (48) [2024-09-12 18:40:36,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 18:40:36,480 INFO L93 Difference]: Finished difference Result 259 states and 280 transitions. [2024-09-12 18:40:36,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-12 18:40:36,481 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 8.318181818181818) internal successors, (183), 22 states have internal predecessors, (183), 16 states have call successors, (48), 2 states have call predecessors, (48), 3 states have return successors, (48), 16 states have call predecessors, (48), 16 states have call successors, (48) Word has length 163 [2024-09-12 18:40:36,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 18:40:36,482 INFO L225 Difference]: With dead ends: 259 [2024-09-12 18:40:36,482 INFO L226 Difference]: Without dead ends: 0 [2024-09-12 18:40:36,483 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 352 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=147, Invalid=555, Unknown=0, NotChecked=0, Total=702 [2024-09-12 18:40:36,483 INFO L434 NwaCegarLoop]: 43 mSDtfsCounter, 66 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 549 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-12 18:40:36,483 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 317 Invalid, 569 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 549 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-12 18:40:36,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-09-12 18:40:36,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-09-12 18:40:36,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-09-12 18:40:36,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-09-12 18:40:36,484 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 163 [2024-09-12 18:40:36,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 18:40:36,485 INFO L474 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-09-12 18:40:36,485 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 8.318181818181818) internal successors, (183), 22 states have internal predecessors, (183), 16 states have call successors, (48), 2 states have call predecessors, (48), 3 states have return successors, (48), 16 states have call predecessors, (48), 16 states have call successors, (48) [2024-09-12 18:40:36,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 18:40:36,485 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-09-12 18:40:36,485 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-09-12 18:40:36,488 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 31 remaining) [2024-09-12 18:40:36,488 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 31 remaining) [2024-09-12 18:40:36,488 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 31 remaining) [2024-09-12 18:40:36,488 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 31 remaining) [2024-09-12 18:40:36,488 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 31 remaining) [2024-09-12 18:40:36,488 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 31 remaining) [2024-09-12 18:40:36,488 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 31 remaining) [2024-09-12 18:40:36,488 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 31 remaining) [2024-09-12 18:40:36,489 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 31 remaining) [2024-09-12 18:40:36,489 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 31 remaining) [2024-09-12 18:40:36,489 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 31 remaining) [2024-09-12 18:40:36,489 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 31 remaining) [2024-09-12 18:40:36,489 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 31 remaining) [2024-09-12 18:40:36,489 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 31 remaining) [2024-09-12 18:40:36,489 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 31 remaining) [2024-09-12 18:40:36,489 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 31 remaining) [2024-09-12 18:40:36,489 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 31 remaining) [2024-09-12 18:40:36,489 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 31 remaining) [2024-09-12 18:40:36,489 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 31 remaining) [2024-09-12 18:40:36,490 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 31 remaining) [2024-09-12 18:40:36,490 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 31 remaining) [2024-09-12 18:40:36,490 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 31 remaining) [2024-09-12 18:40:36,490 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 31 remaining) [2024-09-12 18:40:36,490 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 31 remaining) [2024-09-12 18:40:36,490 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 31 remaining) [2024-09-12 18:40:36,490 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 31 remaining) [2024-09-12 18:40:36,490 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 31 remaining) [2024-09-12 18:40:36,490 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 31 remaining) [2024-09-12 18:40:36,490 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 31 remaining) [2024-09-12 18:40:36,491 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 31 remaining) [2024-09-12 18:40:36,491 INFO L785 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 31 remaining) [2024-09-12 18:40:36,504 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-09-12 18:40:36,695 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-09-12 18:40:36,698 INFO L408 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 18:40:36,701 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.