./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loop-invgen/MADWiFi-encode_ie_ok.i --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/loop-invgen/MADWiFi-encode_ie_ok.i -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 0816346248b67d4ea9c17aaea510056f7cd51786d8081f1e3a68c606118ae1c9 --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 17:55:58,231 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 17:55:58,293 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/automizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-09-12 17:55:58,299 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 17:55:58,299 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 17:55:58,326 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 17:55:58,329 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 17:55:58,330 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 17:55:58,330 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 17:55:58,330 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 17:55:58,330 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 17:55:58,331 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 17:55:58,331 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 17:55:58,331 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 17:55:58,331 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 17:55:58,332 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 17:55:58,332 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 17:55:58,332 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 17:55:58,332 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 17:55:58,332 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 17:55:58,333 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 17:55:58,337 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 17:55:58,337 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 17:55:58,337 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 17:55:58,338 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 17:55:58,338 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 17:55:58,338 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 17:55:58,338 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 17:55:58,338 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 17:55:58,339 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 17:55:58,339 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 17:55:58,339 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 17:55:58,339 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 17:55:58,339 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 17:55:58,339 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 17:55:58,340 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 17:55:58,340 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 17:55:58,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 17:55:58,343 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 17:55:58,343 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 17:55:58,343 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 17:55:58,344 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 17:55:58,344 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/certificate-witnesses-artifact/automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0816346248b67d4ea9c17aaea510056f7cd51786d8081f1e3a68c606118ae1c9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: YAML Format version -> 2.1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2024-09-12 17:55:58,617 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 17:55:58,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 17:55:58,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 17:55:58,644 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 17:55:58,644 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 17:55:58,646 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/automizer/../sv-benchmarks/c/loop-invgen/MADWiFi-encode_ie_ok.i [2024-09-12 17:56:00,043 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 17:56:00,193 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 17:56:00,194 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invgen/MADWiFi-encode_ie_ok.i [2024-09-12 17:56:00,200 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/automizer/data/c0f496a64/56c238d622104e19a48bd08273832a9b/FLAGe8644f390 [2024-09-12 17:56:00,217 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/automizer/data/c0f496a64/56c238d622104e19a48bd08273832a9b [2024-09-12 17:56:00,219 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 17:56:00,221 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-09-12 17:56:00,222 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 17:56:00,224 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 17:56:00,227 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 17:56:00,228 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 05:56:00" (1/1) ... [2024-09-12 17:56:00,229 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29856b51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:56:00, skipping insertion in model container [2024-09-12 17:56:00,229 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 05:56:00" (1/1) ... [2024-09-12 17:56:00,244 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 17:56:00,407 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/loop-invgen/MADWiFi-encode_ie_ok.i[893,906] [2024-09-12 17:56:00,427 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 17:56:00,440 INFO L200 MainTranslator]: Completed pre-run [2024-09-12 17:56:00,462 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/loop-invgen/MADWiFi-encode_ie_ok.i[893,906] [2024-09-12 17:56:00,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 17:56:00,476 INFO L204 MainTranslator]: Completed translation [2024-09-12 17:56:00,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:56:00 WrapperNode [2024-09-12 17:56:00,477 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 17:56:00,477 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-09-12 17:56:00,478 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-09-12 17:56:00,478 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-09-12 17:56:00,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:56:00" (1/1) ... [2024-09-12 17:56:00,487 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:56:00" (1/1) ... [2024-09-12 17:56:00,492 INFO L138 Inliner]: procedures = 16, calls = 8, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-09-12 17:56:00,492 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-09-12 17:56:00,493 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 17:56:00,493 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 17:56:00,493 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 17:56:00,500 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:56:00" (1/1) ... [2024-09-12 17:56:00,500 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:56:00" (1/1) ... [2024-09-12 17:56:00,504 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:56:00" (1/1) ... [2024-09-12 17:56:00,516 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 17:56:00,517 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:56:00" (1/1) ... [2024-09-12 17:56:00,517 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:56:00" (1/1) ... [2024-09-12 17:56:00,520 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:56:00" (1/1) ... [2024-09-12 17:56:00,522 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:56:00" (1/1) ... [2024-09-12 17:56:00,525 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:56:00" (1/1) ... [2024-09-12 17:56:00,525 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:56:00" (1/1) ... [2024-09-12 17:56:00,526 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 17:56:00,527 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 17:56:00,527 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 17:56:00,527 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 17:56:00,527 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:56:00" (1/1) ... [2024-09-12 17:56:00,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 17:56:00,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:56:00,558 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 17:56:00,564 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 17:56:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 17:56:00,598 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 17:56:00,598 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 17:56:00,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-09-12 17:56:00,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 17:56:00,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 17:56:00,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 17:56:00,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 17:56:00,598 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 17:56:00,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 17:56:00,648 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 17:56:00,650 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 17:56:00,820 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-09-12 17:56:00,820 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 17:56:00,835 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 17:56:00,836 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-12 17:56:00,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 05:56:00 BoogieIcfgContainer [2024-09-12 17:56:00,836 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 17:56:00,838 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-09-12 17:56:00,838 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-09-12 17:56:00,840 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-09-12 17:56:00,840 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.09 05:56:00" (1/3) ... [2024-09-12 17:56:00,841 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c080bee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.09 05:56:00, skipping insertion in model container [2024-09-12 17:56:00,841 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 05:56:00" (2/3) ... [2024-09-12 17:56:00,841 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c080bee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.09 05:56:00, skipping insertion in model container [2024-09-12 17:56:00,841 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 05:56:00" (3/3) ... [2024-09-12 17:56:00,842 INFO L112 eAbstractionObserver]: Analyzing ICFG MADWiFi-encode_ie_ok.i [2024-09-12 17:56:00,854 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-09-12 17:56:00,855 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 13 error locations. [2024-09-12 17:56:00,906 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-09-12 17:56:00,912 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;@625b1bc5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-09-12 17:56:00,912 INFO L337 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2024-09-12 17:56:00,918 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 29 states have (on average 1.8275862068965518) internal successors, (53), 42 states have internal predecessors, (53), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-09-12 17:56:00,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-09-12 17:56:00,923 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:00,923 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:00,924 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 17:56:00,927 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:00,927 INFO L85 PathProgramCache]: Analyzing trace with hash 997034473, now seen corresponding path program 1 times [2024-09-12 17:56:00,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:00,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668972210] [2024-09-12 17:56:00,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:00,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:01,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:01,125 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:01,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:01,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:56:01,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:01,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668972210] [2024-09-12 17:56:01,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668972210] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:01,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:56:01,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-12 17:56:01,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18124557] [2024-09-12 17:56:01,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:01,145 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-12 17:56:01,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:01,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-12 17:56:01,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-12 17:56:01,166 INFO L87 Difference]: Start difference. First operand has 50 states, 29 states have (on average 1.8275862068965518) internal successors, (53), 42 states have internal predecessors, (53), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:56:01,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:01,268 INFO L93 Difference]: Finished difference Result 79 states and 95 transitions. [2024-09-12 17:56:01,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-12 17:56:01,271 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2024-09-12 17:56:01,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:01,277 INFO L225 Difference]: With dead ends: 79 [2024-09-12 17:56:01,277 INFO L226 Difference]: Without dead ends: 45 [2024-09-12 17:56:01,280 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 17:56:01,283 INFO L434 NwaCegarLoop]: 49 mSDtfsCounter, 14 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:01,284 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 120 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 17:56:01,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-09-12 17:56:01,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-09-12 17:56:01,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 27 states have (on average 1.4444444444444444) internal successors, (39), 38 states have internal predecessors, (39), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-09-12 17:56:01,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 46 transitions. [2024-09-12 17:56:01,319 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 46 transitions. Word has length 13 [2024-09-12 17:56:01,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:01,320 INFO L474 AbstractCegarLoop]: Abstraction has 45 states and 46 transitions. [2024-09-12 17:56:01,321 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:56:01,322 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:01,322 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 46 transitions. [2024-09-12 17:56:01,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-09-12 17:56:01,323 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:01,323 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:01,323 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-09-12 17:56:01,324 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 17:56:01,325 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:01,325 INFO L85 PathProgramCache]: Analyzing trace with hash 843297665, now seen corresponding path program 1 times [2024-09-12 17:56:01,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:01,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44621970] [2024-09-12 17:56:01,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:01,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:01,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:01,394 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:01,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:01,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:56:01,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:01,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44621970] [2024-09-12 17:56:01,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44621970] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:01,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:56:01,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-12 17:56:01,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004228205] [2024-09-12 17:56:01,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:01,406 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-12 17:56:01,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:01,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-12 17:56:01,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-12 17:56:01,407 INFO L87 Difference]: Start difference. First operand 45 states and 46 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:56:01,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:01,461 INFO L93 Difference]: Finished difference Result 45 states and 46 transitions. [2024-09-12 17:56:01,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-12 17:56:01,462 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2024-09-12 17:56:01,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:01,464 INFO L225 Difference]: With dead ends: 45 [2024-09-12 17:56:01,464 INFO L226 Difference]: Without dead ends: 44 [2024-09-12 17:56:01,465 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 17:56:01,466 INFO L434 NwaCegarLoop]: 37 mSDtfsCounter, 27 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:01,466 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 74 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-12 17:56:01,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-09-12 17:56:01,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-09-12 17:56:01,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 27 states have (on average 1.4074074074074074) internal successors, (38), 37 states have internal predecessors, (38), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-09-12 17:56:01,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 45 transitions. [2024-09-12 17:56:01,490 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 45 transitions. Word has length 14 [2024-09-12 17:56:01,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:01,490 INFO L474 AbstractCegarLoop]: Abstraction has 44 states and 45 transitions. [2024-09-12 17:56:01,490 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:56:01,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:01,491 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 45 transitions. [2024-09-12 17:56:01,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-09-12 17:56:01,491 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:01,491 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:01,491 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-09-12 17:56:01,491 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 17:56:01,492 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:01,492 INFO L85 PathProgramCache]: Analyzing trace with hash 372423915, now seen corresponding path program 1 times [2024-09-12 17:56:01,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:01,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71756053] [2024-09-12 17:56:01,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:01,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:01,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:01,586 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:01,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:01,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:56:01,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:01,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71756053] [2024-09-12 17:56:01,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71756053] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:01,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:56:01,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-12 17:56:01,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202071021] [2024-09-12 17:56:01,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:01,594 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-12 17:56:01,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:01,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-12 17:56:01,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-09-12 17:56:01,596 INFO L87 Difference]: Start difference. First operand 44 states and 45 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:56:01,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:01,633 INFO L93 Difference]: Finished difference Result 44 states and 45 transitions. [2024-09-12 17:56:01,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-12 17:56:01,633 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2024-09-12 17:56:01,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:01,634 INFO L225 Difference]: With dead ends: 44 [2024-09-12 17:56:01,634 INFO L226 Difference]: Without dead ends: 43 [2024-09-12 17:56:01,634 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 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 17:56:01,635 INFO L434 NwaCegarLoop]: 36 mSDtfsCounter, 1 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:01,635 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 93 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-12 17:56:01,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-09-12 17:56:01,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-09-12 17:56:01,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 36 states have internal predecessors, (37), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-09-12 17:56:01,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 44 transitions. [2024-09-12 17:56:01,641 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 44 transitions. Word has length 15 [2024-09-12 17:56:01,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:01,642 INFO L474 AbstractCegarLoop]: Abstraction has 43 states and 44 transitions. [2024-09-12 17:56:01,642 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:56:01,642 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:01,642 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2024-09-12 17:56:01,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-09-12 17:56:01,643 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:01,643 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:01,643 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-09-12 17:56:01,643 INFO L399 AbstractCegarLoop]: === Iteration 4 === Targeting mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 17:56:01,643 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:01,643 INFO L85 PathProgramCache]: Analyzing trace with hash -1339760445, now seen corresponding path program 1 times [2024-09-12 17:56:01,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:01,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795266423] [2024-09-12 17:56:01,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:01,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:01,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:01,678 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:01,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:01,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:56:01,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:01,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795266423] [2024-09-12 17:56:01,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795266423] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:01,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:56:01,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-12 17:56:01,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503169683] [2024-09-12 17:56:01,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:01,683 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-12 17:56:01,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:01,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-12 17:56:01,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-09-12 17:56:01,684 INFO L87 Difference]: Start difference. First operand 43 states and 44 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:56:01,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:01,699 INFO L93 Difference]: Finished difference Result 43 states and 44 transitions. [2024-09-12 17:56:01,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-12 17:56:01,700 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2024-09-12 17:56:01,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:01,700 INFO L225 Difference]: With dead ends: 43 [2024-09-12 17:56:01,700 INFO L226 Difference]: Without dead ends: 42 [2024-09-12 17:56:01,701 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 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 17:56:01,701 INFO L434 NwaCegarLoop]: 35 mSDtfsCounter, 0 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:01,702 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-12 17:56:01,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-09-12 17:56:01,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2024-09-12 17:56:01,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 35 states have internal predecessors, (36), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-09-12 17:56:01,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 43 transitions. [2024-09-12 17:56:01,707 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 43 transitions. Word has length 16 [2024-09-12 17:56:01,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:01,707 INFO L474 AbstractCegarLoop]: Abstraction has 42 states and 43 transitions. [2024-09-12 17:56:01,707 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:56:01,708 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:01,708 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 43 transitions. [2024-09-12 17:56:01,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-09-12 17:56:01,708 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:01,708 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:01,708 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-09-12 17:56:01,709 INFO L399 AbstractCegarLoop]: === Iteration 5 === Targeting mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 17:56:01,709 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:01,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1417099245, now seen corresponding path program 1 times [2024-09-12 17:56:01,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:01,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950206750] [2024-09-12 17:56:01,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:01,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:01,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:01,728 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:01,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:01,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:56:01,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:01,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950206750] [2024-09-12 17:56:01,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950206750] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:01,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:56:01,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-12 17:56:01,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88823936] [2024-09-12 17:56:01,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:01,735 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-12 17:56:01,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:01,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-12 17:56:01,736 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-12 17:56:01,736 INFO L87 Difference]: Start difference. First operand 42 states and 43 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:56:01,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:01,760 INFO L93 Difference]: Finished difference Result 42 states and 43 transitions. [2024-09-12 17:56:01,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-12 17:56:01,760 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2024-09-12 17:56:01,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:01,762 INFO L225 Difference]: With dead ends: 42 [2024-09-12 17:56:01,762 INFO L226 Difference]: Without dead ends: 41 [2024-09-12 17:56:01,763 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-12 17:56:01,763 INFO L434 NwaCegarLoop]: 35 mSDtfsCounter, 16 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:01,764 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 49 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-12 17:56:01,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-09-12 17:56:01,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2024-09-12 17:56:01,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 27 states have (on average 1.2962962962962963) internal successors, (35), 34 states have internal predecessors, (35), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-09-12 17:56:01,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 42 transitions. [2024-09-12 17:56:01,777 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 42 transitions. Word has length 17 [2024-09-12 17:56:01,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:01,778 INFO L474 AbstractCegarLoop]: Abstraction has 41 states and 42 transitions. [2024-09-12 17:56:01,778 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:56:01,778 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:01,778 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2024-09-12 17:56:01,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-09-12 17:56:01,779 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:01,779 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:01,779 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-09-12 17:56:01,779 INFO L399 AbstractCegarLoop]: === Iteration 6 === Targeting mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 17:56:01,780 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:01,780 INFO L85 PathProgramCache]: Analyzing trace with hash 980403717, now seen corresponding path program 1 times [2024-09-12 17:56:01,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:01,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392370610] [2024-09-12 17:56:01,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:01,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:01,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:01,801 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:01,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:01,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:56:01,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:01,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392370610] [2024-09-12 17:56:01,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392370610] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:01,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:56:01,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-09-12 17:56:01,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656459189] [2024-09-12 17:56:01,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:01,805 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-09-12 17:56:01,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:01,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-09-12 17:56:01,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-12 17:56:01,806 INFO L87 Difference]: Start difference. First operand 41 states and 42 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:56:01,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:01,817 INFO L93 Difference]: Finished difference Result 41 states and 42 transitions. [2024-09-12 17:56:01,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-09-12 17:56:01,818 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2024-09-12 17:56:01,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:01,818 INFO L225 Difference]: With dead ends: 41 [2024-09-12 17:56:01,819 INFO L226 Difference]: Without dead ends: 40 [2024-09-12 17:56:01,819 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-09-12 17:56:01,819 INFO L434 NwaCegarLoop]: 34 mSDtfsCounter, 15 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:01,820 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 46 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-12 17:56:01,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-09-12 17:56:01,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2024-09-12 17:56:01,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 33 states have internal predecessors, (34), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-09-12 17:56:01,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 41 transitions. [2024-09-12 17:56:01,835 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 41 transitions. Word has length 18 [2024-09-12 17:56:01,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:01,835 INFO L474 AbstractCegarLoop]: Abstraction has 40 states and 41 transitions. [2024-09-12 17:56:01,836 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:56:01,836 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:01,836 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2024-09-12 17:56:01,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-09-12 17:56:01,836 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:01,836 INFO L216 NwaCegarLoop]: trace histogram [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 17:56:01,836 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-09-12 17:56:01,837 INFO L399 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 17:56:01,837 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:01,837 INFO L85 PathProgramCache]: Analyzing trace with hash 527438881, now seen corresponding path program 1 times [2024-09-12 17:56:01,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:01,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226842112] [2024-09-12 17:56:01,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:01,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:01,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:01,909 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:01,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:01,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:56:01,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:01,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226842112] [2024-09-12 17:56:01,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226842112] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:01,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:56:01,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-09-12 17:56:01,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394772107] [2024-09-12 17:56:01,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:01,913 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-09-12 17:56:01,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:01,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-09-12 17:56:01,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-09-12 17:56:01,914 INFO L87 Difference]: Start difference. First operand 40 states and 41 transitions. Second operand has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:56:01,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:01,960 INFO L93 Difference]: Finished difference Result 46 states and 46 transitions. [2024-09-12 17:56:01,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-09-12 17:56:01,960 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2024-09-12 17:56:01,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:01,961 INFO L225 Difference]: With dead ends: 46 [2024-09-12 17:56:01,961 INFO L226 Difference]: Without dead ends: 42 [2024-09-12 17:56:01,961 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-09-12 17:56:01,962 INFO L434 NwaCegarLoop]: 24 mSDtfsCounter, 10 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:01,962 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 105 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-12 17:56:01,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-09-12 17:56:01,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2024-09-12 17:56:01,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 30 states have (on average 1.1666666666666667) internal successors, (35), 34 states have internal predecessors, (35), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-09-12 17:56:01,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2024-09-12 17:56:01,968 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 42 transitions. Word has length 24 [2024-09-12 17:56:01,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:01,969 INFO L474 AbstractCegarLoop]: Abstraction has 42 states and 42 transitions. [2024-09-12 17:56:01,969 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 2.857142857142857) internal successors, (20), 6 states have internal predecessors, (20), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-09-12 17:56:01,969 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:01,969 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2024-09-12 17:56:01,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-09-12 17:56:01,969 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:01,969 INFO L216 NwaCegarLoop]: trace histogram [1, 1, 1, 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 17:56:01,970 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-09-12 17:56:01,970 INFO L399 AbstractCegarLoop]: === Iteration 8 === Targeting mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 17:56:01,970 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:01,970 INFO L85 PathProgramCache]: Analyzing trace with hash 1946201862, now seen corresponding path program 1 times [2024-09-12 17:56:01,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:01,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833743513] [2024-09-12 17:56:01,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:01,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:01,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:02,005 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:02,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:02,008 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:02,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:02,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:56:02,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:02,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833743513] [2024-09-12 17:56:02,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833743513] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:02,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:56:02,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-09-12 17:56:02,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172841594] [2024-09-12 17:56:02,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:02,016 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-09-12 17:56:02,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:02,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-09-12 17:56:02,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-09-12 17:56:02,016 INFO L87 Difference]: Start difference. First operand 42 states and 42 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-09-12 17:56:02,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:02,053 INFO L93 Difference]: Finished difference Result 51 states and 53 transitions. [2024-09-12 17:56:02,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-09-12 17:56:02,054 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 27 [2024-09-12 17:56:02,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:02,054 INFO L225 Difference]: With dead ends: 51 [2024-09-12 17:56:02,055 INFO L226 Difference]: Without dead ends: 49 [2024-09-12 17:56:02,056 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-09-12 17:56:02,056 INFO L434 NwaCegarLoop]: 28 mSDtfsCounter, 2 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:02,058 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 94 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-12 17:56:02,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2024-09-12 17:56:02,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2024-09-12 17:56:02,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 35 states have (on average 1.1428571428571428) internal successors, (40), 39 states have internal predecessors, (40), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-09-12 17:56:02,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 51 transitions. [2024-09-12 17:56:02,068 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 51 transitions. Word has length 27 [2024-09-12 17:56:02,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:02,069 INFO L474 AbstractCegarLoop]: Abstraction has 49 states and 51 transitions. [2024-09-12 17:56:02,069 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-09-12 17:56:02,069 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:02,069 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 51 transitions. [2024-09-12 17:56:02,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-09-12 17:56:02,071 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:02,072 INFO L216 NwaCegarLoop]: trace histogram [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] [2024-09-12 17:56:02,072 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-09-12 17:56:02,072 INFO L399 AbstractCegarLoop]: === Iteration 9 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 17:56:02,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:02,072 INFO L85 PathProgramCache]: Analyzing trace with hash 379843512, now seen corresponding path program 1 times [2024-09-12 17:56:02,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:02,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894580573] [2024-09-12 17:56:02,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:02,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:02,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:02,173 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:02,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:02,175 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:02,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:02,180 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-09-12 17:56:02,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:02,180 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894580573] [2024-09-12 17:56:02,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894580573] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:02,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:56:02,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-09-12 17:56:02,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893299020] [2024-09-12 17:56:02,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:02,181 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-09-12 17:56:02,181 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:02,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-09-12 17:56:02,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-09-12 17:56:02,182 INFO L87 Difference]: Start difference. First operand 49 states and 51 transitions. Second operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 7 states have internal predecessors, (25), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-09-12 17:56:02,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:02,261 INFO L93 Difference]: Finished difference Result 55 states and 56 transitions. [2024-09-12 17:56:02,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-09-12 17:56:02,261 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 7 states have internal predecessors, (25), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 31 [2024-09-12 17:56:02,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:02,262 INFO L225 Difference]: With dead ends: 55 [2024-09-12 17:56:02,262 INFO L226 Difference]: Without dead ends: 53 [2024-09-12 17:56:02,262 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-09-12 17:56:02,263 INFO L434 NwaCegarLoop]: 28 mSDtfsCounter, 8 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:02,263 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 145 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 17:56:02,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-09-12 17:56:02,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-09-12 17:56:02,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 38 states have (on average 1.131578947368421) internal successors, (43), 42 states have internal predecessors, (43), 6 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-09-12 17:56:02,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 54 transitions. [2024-09-12 17:56:02,269 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 54 transitions. Word has length 31 [2024-09-12 17:56:02,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:02,270 INFO L474 AbstractCegarLoop]: Abstraction has 53 states and 54 transitions. [2024-09-12 17:56:02,270 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 7 states have internal predecessors, (25), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-09-12 17:56:02,270 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:02,270 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 54 transitions. [2024-09-12 17:56:02,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-09-12 17:56:02,271 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:02,271 INFO L216 NwaCegarLoop]: trace histogram [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] [2024-09-12 17:56:02,271 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-09-12 17:56:02,271 INFO L399 AbstractCegarLoop]: === Iteration 10 === Targeting mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 17:56:02,271 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:02,271 INFO L85 PathProgramCache]: Analyzing trace with hash -2137887203, now seen corresponding path program 1 times [2024-09-12 17:56:02,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:02,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259242874] [2024-09-12 17:56:02,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:02,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:02,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:02,313 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:02,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:02,315 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:02,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:02,318 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:02,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:02,322 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-09-12 17:56:02,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:02,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259242874] [2024-09-12 17:56:02,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [259242874] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:02,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-09-12 17:56:02,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-09-12 17:56:02,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067735501] [2024-09-12 17:56:02,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:02,324 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-09-12 17:56:02,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:02,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-09-12 17:56:02,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-12 17:56:02,325 INFO L87 Difference]: Start difference. First operand 53 states and 54 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-09-12 17:56:02,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:02,347 INFO L93 Difference]: Finished difference Result 57 states and 58 transitions. [2024-09-12 17:56:02,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-09-12 17:56:02,348 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 35 [2024-09-12 17:56:02,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:02,348 INFO L225 Difference]: With dead ends: 57 [2024-09-12 17:56:02,349 INFO L226 Difference]: Without dead ends: 55 [2024-09-12 17:56:02,349 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-09-12 17:56:02,349 INFO L434 NwaCegarLoop]: 34 mSDtfsCounter, 1 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:02,349 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 98 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-12 17:56:02,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-09-12 17:56:02,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2024-09-12 17:56:02,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 40 states have (on average 1.125) internal successors, (45), 44 states have internal predecessors, (45), 6 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-09-12 17:56:02,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 56 transitions. [2024-09-12 17:56:02,359 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 56 transitions. Word has length 35 [2024-09-12 17:56:02,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:02,359 INFO L474 AbstractCegarLoop]: Abstraction has 55 states and 56 transitions. [2024-09-12 17:56:02,360 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-09-12 17:56:02,360 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:02,360 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2024-09-12 17:56:02,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-09-12 17:56:02,360 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:02,361 INFO L216 NwaCegarLoop]: trace histogram [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] [2024-09-12 17:56:02,361 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-09-12 17:56:02,361 INFO L399 AbstractCegarLoop]: === Iteration 11 === Targeting mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 17:56:02,361 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:02,362 INFO L85 PathProgramCache]: Analyzing trace with hash -207091194, now seen corresponding path program 1 times [2024-09-12 17:56:02,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:02,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153980829] [2024-09-12 17:56:02,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:02,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:02,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:02,500 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:02,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:02,508 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:02,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:02,510 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:02,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:02,514 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:02,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:02,516 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-09-12 17:56:02,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:02,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153980829] [2024-09-12 17:56:02,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153980829] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:56:02,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1753665349] [2024-09-12 17:56:02,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:02,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:02,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:56:02,519 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 17:56:02,528 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 17:56:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:02,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-09-12 17:56:02,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:56:02,656 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-09-12 17:56:02,657 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 17:56:02,743 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-09-12 17:56:02,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1753665349] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 17:56:02,743 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 17:56:02,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 15 [2024-09-12 17:56:02,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67984724] [2024-09-12 17:56:02,744 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 17:56:02,744 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-09-12 17:56:02,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:02,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-09-12 17:56:02,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2024-09-12 17:56:02,745 INFO L87 Difference]: Start difference. First operand 55 states and 56 transitions. Second operand has 16 states, 15 states have (on average 5.133333333333334) internal successors, (77), 16 states have internal predecessors, (77), 7 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (10), 7 states have call predecessors, (10), 7 states have call successors, (10) [2024-09-12 17:56:02,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:02,896 INFO L93 Difference]: Finished difference Result 94 states and 107 transitions. [2024-09-12 17:56:02,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-09-12 17:56:02,896 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 5.133333333333334) internal successors, (77), 16 states have internal predecessors, (77), 7 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (10), 7 states have call predecessors, (10), 7 states have call successors, (10) Word has length 44 [2024-09-12 17:56:02,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:02,897 INFO L225 Difference]: With dead ends: 94 [2024-09-12 17:56:02,897 INFO L226 Difference]: Without dead ends: 92 [2024-09-12 17:56:02,898 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2024-09-12 17:56:02,898 INFO L434 NwaCegarLoop]: 25 mSDtfsCounter, 20 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:02,898 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 183 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 17:56:02,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-09-12 17:56:02,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 86. [2024-09-12 17:56:02,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 64 states have (on average 1.171875) internal successors, (75), 68 states have internal predecessors, (75), 13 states have call successors, (13), 5 states have call predecessors, (13), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-09-12 17:56:02,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 100 transitions. [2024-09-12 17:56:02,909 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 100 transitions. Word has length 44 [2024-09-12 17:56:02,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:02,909 INFO L474 AbstractCegarLoop]: Abstraction has 86 states and 100 transitions. [2024-09-12 17:56:02,909 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 5.133333333333334) internal successors, (77), 16 states have internal predecessors, (77), 7 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (10), 7 states have call predecessors, (10), 7 states have call successors, (10) [2024-09-12 17:56:02,909 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:02,909 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2024-09-12 17:56:02,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-09-12 17:56:02,910 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:02,910 INFO L216 NwaCegarLoop]: trace histogram [4, 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] [2024-09-12 17:56:02,925 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-09-12 17:56:03,111 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-09-12 17:56:03,112 INFO L399 AbstractCegarLoop]: === Iteration 12 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 17:56:03,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:03,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1831194296, now seen corresponding path program 1 times [2024-09-12 17:56:03,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:03,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886822820] [2024-09-12 17:56:03,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:03,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:03,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:03,310 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:03,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:03,313 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:03,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:03,316 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:03,323 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:03,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:03,325 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-09-12 17:56:03,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:03,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886822820] [2024-09-12 17:56:03,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886822820] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:56:03,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1515161166] [2024-09-12 17:56:03,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:03,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:03,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:56:03,329 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 17:56:03,331 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 17:56:03,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:03,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-09-12 17:56:03,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:56:03,517 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-09-12 17:56:03,518 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 17:56:03,707 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-09-12 17:56:03,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1515161166] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 17:56:03,707 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 17:56:03,708 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 23 [2024-09-12 17:56:03,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839347570] [2024-09-12 17:56:03,708 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 17:56:03,708 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-09-12 17:56:03,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:03,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-09-12 17:56:03,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=435, Unknown=0, NotChecked=0, Total=506 [2024-09-12 17:56:03,710 INFO L87 Difference]: Start difference. First operand 86 states and 100 transitions. Second operand has 23 states, 23 states have (on average 2.782608695652174) internal successors, (64), 21 states have internal predecessors, (64), 5 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2024-09-12 17:56:03,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:03,956 INFO L93 Difference]: Finished difference Result 92 states and 105 transitions. [2024-09-12 17:56:03,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-09-12 17:56:03,956 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.782608695652174) internal successors, (64), 21 states have internal predecessors, (64), 5 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) Word has length 48 [2024-09-12 17:56:03,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:03,958 INFO L225 Difference]: With dead ends: 92 [2024-09-12 17:56:03,958 INFO L226 Difference]: Without dead ends: 90 [2024-09-12 17:56:03,959 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 89 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=106, Invalid=596, Unknown=0, NotChecked=0, Total=702 [2024-09-12 17:56:03,959 INFO L434 NwaCegarLoop]: 27 mSDtfsCounter, 22 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:03,960 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 259 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-12 17:56:03,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-09-12 17:56:03,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2024-09-12 17:56:03,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 67 states have (on average 1.164179104477612) internal successors, (78), 71 states have internal predecessors, (78), 13 states have call successors, (13), 6 states have call predecessors, (13), 5 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-09-12 17:56:03,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 103 transitions. [2024-09-12 17:56:03,984 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 103 transitions. Word has length 48 [2024-09-12 17:56:03,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:03,984 INFO L474 AbstractCegarLoop]: Abstraction has 90 states and 103 transitions. [2024-09-12 17:56:03,985 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.782608695652174) internal successors, (64), 21 states have internal predecessors, (64), 5 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2024-09-12 17:56:03,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:03,985 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 103 transitions. [2024-09-12 17:56:03,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-09-12 17:56:03,986 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:03,986 INFO L216 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-09-12 17:56:04,004 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-09-12 17:56:04,186 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-09-12 17:56:04,187 INFO L399 AbstractCegarLoop]: === Iteration 13 === Targeting mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 17:56:04,188 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:04,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1129395939, now seen corresponding path program 1 times [2024-09-12 17:56:04,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:04,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268893103] [2024-09-12 17:56:04,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:04,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:04,243 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:04,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:04,244 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:04,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:04,246 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:04,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:04,249 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:04,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:04,252 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-09-12 17:56:04,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:04,257 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-09-12 17:56:04,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:04,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268893103] [2024-09-12 17:56:04,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268893103] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:56:04,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922810857] [2024-09-12 17:56:04,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:04,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:04,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:56:04,259 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 17:56:04,260 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 17:56:04,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:04,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-09-12 17:56:04,293 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:56:04,323 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-09-12 17:56:04,323 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-09-12 17:56:04,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922810857] provided 1 perfect and 0 imperfect interpolant sequences [2024-09-12 17:56:04,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-09-12 17:56:04,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-09-12 17:56:04,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093087761] [2024-09-12 17:56:04,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-09-12 17:56:04,324 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-09-12 17:56:04,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:04,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-09-12 17:56:04,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-09-12 17:56:04,325 INFO L87 Difference]: Start difference. First operand 90 states and 103 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 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 17:56:04,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:04,351 INFO L93 Difference]: Finished difference Result 90 states and 103 transitions. [2024-09-12 17:56:04,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-09-12 17:56:04,351 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 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 52 [2024-09-12 17:56:04,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:04,352 INFO L225 Difference]: With dead ends: 90 [2024-09-12 17:56:04,352 INFO L226 Difference]: Without dead ends: 89 [2024-09-12 17:56:04,352 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-09-12 17:56:04,353 INFO L434 NwaCegarLoop]: 39 mSDtfsCounter, 5 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:04,353 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 145 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-12 17:56:04,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-09-12 17:56:04,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-09-12 17:56:04,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 67 states have (on average 1.1044776119402986) internal successors, (74), 70 states have internal predecessors, (74), 13 states have call successors, (13), 6 states have call predecessors, (13), 5 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-09-12 17:56:04,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 99 transitions. [2024-09-12 17:56:04,362 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 99 transitions. Word has length 52 [2024-09-12 17:56:04,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:04,362 INFO L474 AbstractCegarLoop]: Abstraction has 89 states and 99 transitions. [2024-09-12 17:56:04,362 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 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 17:56:04,362 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:04,362 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 99 transitions. [2024-09-12 17:56:04,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-09-12 17:56:04,363 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:04,363 INFO L216 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-09-12 17:56:04,375 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 17:56:04,563 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-09-12 17:56:04,564 INFO L399 AbstractCegarLoop]: === Iteration 14 === Targeting mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 17:56:04,564 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:04,564 INFO L85 PathProgramCache]: Analyzing trace with hash -651535630, now seen corresponding path program 1 times [2024-09-12 17:56:04,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:04,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296790888] [2024-09-12 17:56:04,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:04,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:04,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:04,605 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:04,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:04,607 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:04,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:04,608 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:04,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:04,610 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:04,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:04,612 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-09-12 17:56:04,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:04,614 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-09-12 17:56:04,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:04,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296790888] [2024-09-12 17:56:04,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296790888] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:56:04,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [838493360] [2024-09-12 17:56:04,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:04,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:04,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:56:04,619 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 17:56:04,620 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 17:56:04,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:04,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-09-12 17:56:04,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:56:04,689 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-09-12 17:56:04,689 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 17:56:04,750 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-09-12 17:56:04,750 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [838493360] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 17:56:04,750 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 17:56:04,750 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-09-12 17:56:04,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652333722] [2024-09-12 17:56:04,750 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 17:56:04,751 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-09-12 17:56:04,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:04,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-09-12 17:56:04,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-09-12 17:56:04,752 INFO L87 Difference]: Start difference. First operand 89 states and 99 transitions. Second operand has 12 states, 11 states have (on average 5.090909090909091) internal successors, (56), 12 states have internal predecessors, (56), 6 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-09-12 17:56:04,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:04,809 INFO L93 Difference]: Finished difference Result 90 states and 99 transitions. [2024-09-12 17:56:04,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-09-12 17:56:04,810 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.090909090909091) internal successors, (56), 12 states have internal predecessors, (56), 6 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) Word has length 53 [2024-09-12 17:56:04,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:04,810 INFO L225 Difference]: With dead ends: 90 [2024-09-12 17:56:04,810 INFO L226 Difference]: Without dead ends: 89 [2024-09-12 17:56:04,811 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-09-12 17:56:04,811 INFO L434 NwaCegarLoop]: 33 mSDtfsCounter, 0 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:04,811 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 189 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-09-12 17:56:04,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-09-12 17:56:04,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-09-12 17:56:04,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 67 states have (on average 1.0597014925373134) internal successors, (71), 70 states have internal predecessors, (71), 13 states have call successors, (13), 6 states have call predecessors, (13), 5 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-09-12 17:56:04,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 96 transitions. [2024-09-12 17:56:04,823 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 96 transitions. Word has length 53 [2024-09-12 17:56:04,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:04,823 INFO L474 AbstractCegarLoop]: Abstraction has 89 states and 96 transitions. [2024-09-12 17:56:04,823 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.090909090909091) internal successors, (56), 12 states have internal predecessors, (56), 6 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (11), 6 states have call predecessors, (11), 6 states have call successors, (11) [2024-09-12 17:56:04,823 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:04,823 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 96 transitions. [2024-09-12 17:56:04,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-09-12 17:56:04,824 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:04,826 INFO L216 NwaCegarLoop]: trace histogram [8, 7, 7, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:04,849 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 17:56:05,026 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:05,026 INFO L399 AbstractCegarLoop]: === Iteration 15 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 17:56:05,027 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:05,027 INFO L85 PathProgramCache]: Analyzing trace with hash 2004905656, now seen corresponding path program 2 times [2024-09-12 17:56:05,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:05,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261148119] [2024-09-12 17:56:05,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:05,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:05,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:05,208 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:05,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:05,210 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:05,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:05,212 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:05,215 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:05,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:05,217 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-09-12 17:56:05,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:05,219 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-09-12 17:56:05,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:05,221 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-09-12 17:56:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:05,223 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-09-12 17:56:05,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:05,225 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 14 proven. 31 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-09-12 17:56:05,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:05,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261148119] [2024-09-12 17:56:05,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261148119] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:56:05,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [386007040] [2024-09-12 17:56:05,225 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-12 17:56:05,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:05,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:56:05,227 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 17:56:05,231 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 17:56:05,271 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-12 17:56:05,271 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 17:56:05,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-09-12 17:56:05,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:56:05,584 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 14 proven. 42 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-09-12 17:56:05,584 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 17:56:05,925 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 14 proven. 42 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-09-12 17:56:05,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [386007040] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 17:56:05,925 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 17:56:05,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15, 15] total 32 [2024-09-12 17:56:05,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949870353] [2024-09-12 17:56:05,925 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 17:56:05,926 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-09-12 17:56:05,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:05,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-09-12 17:56:05,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=868, Unknown=0, NotChecked=0, Total=992 [2024-09-12 17:56:05,927 INFO L87 Difference]: Start difference. First operand 89 states and 96 transitions. Second operand has 32 states, 32 states have (on average 3.09375) internal successors, (99), 30 states have internal predecessors, (99), 10 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 10 states have call predecessors, (18), 10 states have call successors, (18) [2024-09-12 17:56:06,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:06,330 INFO L93 Difference]: Finished difference Result 89 states and 96 transitions. [2024-09-12 17:56:06,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-09-12 17:56:06,331 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 32 states have (on average 3.09375) internal successors, (99), 30 states have internal predecessors, (99), 10 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 10 states have call predecessors, (18), 10 states have call successors, (18) Word has length 82 [2024-09-12 17:56:06,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:06,331 INFO L225 Difference]: With dead ends: 89 [2024-09-12 17:56:06,331 INFO L226 Difference]: Without dead ends: 87 [2024-09-12 17:56:06,332 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 160 SyntacticMatches, 4 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 422 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=198, Invalid=1284, Unknown=0, NotChecked=0, Total=1482 [2024-09-12 17:56:06,332 INFO L434 NwaCegarLoop]: 29 mSDtfsCounter, 25 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 662 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:06,332 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 307 Invalid, 676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 662 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-12 17:56:06,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-09-12 17:56:06,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2024-09-12 17:56:06,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 66 states have (on average 1.0454545454545454) internal successors, (69), 68 states have internal predecessors, (69), 13 states have call successors, (13), 6 states have call predecessors, (13), 5 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-09-12 17:56:06,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 94 transitions. [2024-09-12 17:56:06,342 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 94 transitions. Word has length 82 [2024-09-12 17:56:06,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:06,342 INFO L474 AbstractCegarLoop]: Abstraction has 87 states and 94 transitions. [2024-09-12 17:56:06,342 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 3.09375) internal successors, (99), 30 states have internal predecessors, (99), 10 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (18), 10 states have call predecessors, (18), 10 states have call successors, (18) [2024-09-12 17:56:06,342 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:06,342 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 94 transitions. [2024-09-12 17:56:06,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-09-12 17:56:06,343 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:06,343 INFO L216 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:06,355 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-09-12 17:56:06,547 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-09-12 17:56:06,548 INFO L399 AbstractCegarLoop]: === Iteration 16 === Targeting mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 17:56:06,548 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:06,548 INFO L85 PathProgramCache]: Analyzing trace with hash 2077121585, now seen corresponding path program 1 times [2024-09-12 17:56:06,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:06,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422192266] [2024-09-12 17:56:06,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:06,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:06,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:06,660 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:06,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:06,662 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:06,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:06,663 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:06,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:06,667 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:06,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:06,669 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-09-12 17:56:06,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:06,670 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-09-12 17:56:06,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:06,672 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-09-12 17:56:06,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:06,674 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-09-12 17:56:06,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:06,676 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-09-12 17:56:06,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:06,678 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-09-12 17:56:06,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:06,681 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-09-12 17:56:06,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:06,684 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-09-12 17:56:06,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:06,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422192266] [2024-09-12 17:56:06,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422192266] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:56:06,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1599312370] [2024-09-12 17:56:06,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:06,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:06,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:56:06,690 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 17:56:06,707 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 17:56:06,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:06,748 INFO L262 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-09-12 17:56:06,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:56:06,867 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-09-12 17:56:06,867 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 17:56:07,012 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-09-12 17:56:07,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1599312370] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 17:56:07,012 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 17:56:07,012 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 24 [2024-09-12 17:56:07,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883865784] [2024-09-12 17:56:07,012 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 17:56:07,013 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-09-12 17:56:07,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:07,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-09-12 17:56:07,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=203, Invalid=397, Unknown=0, NotChecked=0, Total=600 [2024-09-12 17:56:07,014 INFO L87 Difference]: Start difference. First operand 87 states and 94 transitions. Second operand has 25 states, 24 states have (on average 6.083333333333333) internal successors, (146), 25 states have internal predecessors, (146), 16 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (31), 16 states have call predecessors, (31), 16 states have call successors, (31) [2024-09-12 17:56:07,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:07,182 INFO L93 Difference]: Finished difference Result 152 states and 183 transitions. [2024-09-12 17:56:07,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-09-12 17:56:07,182 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 6.083333333333333) internal successors, (146), 25 states have internal predecessors, (146), 16 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (31), 16 states have call predecessors, (31), 16 states have call successors, (31) Word has length 102 [2024-09-12 17:56:07,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:07,183 INFO L225 Difference]: With dead ends: 152 [2024-09-12 17:56:07,183 INFO L226 Difference]: Without dead ends: 150 [2024-09-12 17:56:07,184 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=294, Invalid=576, Unknown=0, NotChecked=0, Total=870 [2024-09-12 17:56:07,184 INFO L434 NwaCegarLoop]: 23 mSDtfsCounter, 17 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:07,184 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 183 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 17:56:07,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-09-12 17:56:07,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 144. [2024-09-12 17:56:07,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 110 states have (on average 1.0818181818181818) internal successors, (119), 112 states have internal predecessors, (119), 26 states have call successors, (26), 6 states have call predecessors, (26), 5 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-09-12 17:56:07,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 170 transitions. [2024-09-12 17:56:07,217 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 170 transitions. Word has length 102 [2024-09-12 17:56:07,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:07,218 INFO L474 AbstractCegarLoop]: Abstraction has 144 states and 170 transitions. [2024-09-12 17:56:07,218 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 6.083333333333333) internal successors, (146), 25 states have internal predecessors, (146), 16 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (31), 16 states have call predecessors, (31), 16 states have call successors, (31) [2024-09-12 17:56:07,219 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:07,219 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 170 transitions. [2024-09-12 17:56:07,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-09-12 17:56:07,220 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:07,220 INFO L216 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:07,238 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 17:56:07,420 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-09-12 17:56:07,420 INFO L399 AbstractCegarLoop]: === Iteration 17 === Targeting mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 17:56:07,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:07,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1045916174, now seen corresponding path program 2 times [2024-09-12 17:56:07,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:07,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083304402] [2024-09-12 17:56:07,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:07,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:07,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:07,599 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:07,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:07,601 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:07,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:07,602 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:07,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:07,604 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:07,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:07,606 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-09-12 17:56:07,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:07,607 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-09-12 17:56:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:07,609 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-09-12 17:56:07,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:07,610 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-09-12 17:56:07,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:07,612 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-09-12 17:56:07,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:07,614 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-09-12 17:56:07,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:07,615 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-09-12 17:56:07,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:07,617 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2024-09-12 17:56:07,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:07,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083304402] [2024-09-12 17:56:07,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083304402] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:56:07,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [995797014] [2024-09-12 17:56:07,617 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-12 17:56:07,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:07,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:56:07,619 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 17:56:07,625 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 17:56:07,659 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-09-12 17:56:07,659 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 17:56:07,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-09-12 17:56:07,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:56:07,740 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2024-09-12 17:56:07,741 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 17:56:07,887 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2024-09-12 17:56:07,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [995797014] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 17:56:07,887 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 17:56:07,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 17 [2024-09-12 17:56:07,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408507182] [2024-09-12 17:56:07,887 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 17:56:07,888 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-09-12 17:56:07,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:07,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-09-12 17:56:07,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2024-09-12 17:56:07,889 INFO L87 Difference]: Start difference. First operand 144 states and 170 transitions. Second operand has 18 states, 17 states have (on average 6.235294117647059) internal successors, (106), 18 states have internal predecessors, (106), 10 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 10 states have call predecessors, (19), 10 states have call successors, (19) [2024-09-12 17:56:08,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:08,070 INFO L93 Difference]: Finished difference Result 144 states and 170 transitions. [2024-09-12 17:56:08,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-09-12 17:56:08,071 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 6.235294117647059) internal successors, (106), 18 states have internal predecessors, (106), 10 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 10 states have call predecessors, (19), 10 states have call successors, (19) Word has length 104 [2024-09-12 17:56:08,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:08,072 INFO L225 Difference]: With dead ends: 144 [2024-09-12 17:56:08,072 INFO L226 Difference]: Without dead ends: 143 [2024-09-12 17:56:08,072 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=219, Invalid=711, Unknown=0, NotChecked=0, Total=930 [2024-09-12 17:56:08,072 INFO L434 NwaCegarLoop]: 25 mSDtfsCounter, 8 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:08,073 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 163 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 17:56:08,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-09-12 17:56:08,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2024-09-12 17:56:08,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 110 states have (on average 1.018181818181818) internal successors, (112), 111 states have internal predecessors, (112), 26 states have call successors, (26), 6 states have call predecessors, (26), 5 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-09-12 17:56:08,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 163 transitions. [2024-09-12 17:56:08,114 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 163 transitions. Word has length 104 [2024-09-12 17:56:08,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:08,114 INFO L474 AbstractCegarLoop]: Abstraction has 143 states and 163 transitions. [2024-09-12 17:56:08,114 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 6.235294117647059) internal successors, (106), 18 states have internal predecessors, (106), 10 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 10 states have call predecessors, (19), 10 states have call successors, (19) [2024-09-12 17:56:08,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:08,115 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 163 transitions. [2024-09-12 17:56:08,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2024-09-12 17:56:08,118 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:08,119 INFO L216 NwaCegarLoop]: trace histogram [23, 23, 23, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:08,131 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-09-12 17:56:08,319 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-09-12 17:56:08,320 INFO L399 AbstractCegarLoop]: === Iteration 18 === Targeting mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 17:56:08,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:08,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1080896006, now seen corresponding path program 2 times [2024-09-12 17:56:08,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:08,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571583555] [2024-09-12 17:56:08,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:08,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:08,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:08,607 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:08,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:08,609 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:08,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:08,610 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:08,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:08,612 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:08,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:08,613 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-09-12 17:56:08,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:08,614 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-09-12 17:56:08,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:08,616 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-09-12 17:56:08,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:08,617 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-09-12 17:56:08,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:08,618 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-09-12 17:56:08,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:08,620 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-09-12 17:56:08,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:08,621 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-09-12 17:56:08,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:08,622 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-12 17:56:08,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:08,624 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-09-12 17:56:08,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:08,625 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-09-12 17:56:08,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:08,627 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-09-12 17:56:08,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:08,628 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-09-12 17:56:08,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:08,630 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-09-12 17:56:08,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:08,631 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-09-12 17:56:08,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:08,633 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-09-12 17:56:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:08,634 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-12 17:56:08,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:08,635 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-09-12 17:56:08,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:08,637 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-09-12 17:56:08,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:08,638 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-09-12 17:56:08,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:08,639 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-09-12 17:56:08,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:08,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1551 backedges. 0 proven. 539 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-09-12 17:56:08,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:08,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571583555] [2024-09-12 17:56:08,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571583555] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:56:08,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1740668494] [2024-09-12 17:56:08,642 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-12 17:56:08,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:08,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:56:08,643 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 17:56:08,644 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 17:56:08,705 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-12 17:56:08,705 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 17:56:08,706 INFO L262 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-09-12 17:56:08,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:56:08,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1551 backedges. 0 proven. 539 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-09-12 17:56:08,961 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 17:56:09,346 INFO L134 CoverageAnalysis]: Checked inductivity of 1551 backedges. 0 proven. 539 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2024-09-12 17:56:09,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1740668494] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 17:56:09,347 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 17:56:09,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15, 15] total 45 [2024-09-12 17:56:09,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829117736] [2024-09-12 17:56:09,347 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 17:56:09,347 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-09-12 17:56:09,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:09,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-09-12 17:56:09,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=833, Invalid=1237, Unknown=0, NotChecked=0, Total=2070 [2024-09-12 17:56:09,349 INFO L87 Difference]: Start difference. First operand 143 states and 163 transitions. Second operand has 46 states, 45 states have (on average 6.377777777777778) internal successors, (287), 46 states have internal predecessors, (287), 37 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (70), 37 states have call predecessors, (70), 37 states have call successors, (70) [2024-09-12 17:56:09,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:09,690 INFO L93 Difference]: Finished difference Result 268 states and 340 transitions. [2024-09-12 17:56:09,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-09-12 17:56:09,690 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 6.377777777777778) internal successors, (287), 46 states have internal predecessors, (287), 37 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (70), 37 states have call predecessors, (70), 37 states have call successors, (70) Word has length 214 [2024-09-12 17:56:09,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:09,692 INFO L225 Difference]: With dead ends: 268 [2024-09-12 17:56:09,692 INFO L226 Difference]: Without dead ends: 266 [2024-09-12 17:56:09,693 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 497 GetRequests, 448 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 743 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=1008, Invalid=1542, Unknown=0, NotChecked=0, Total=2550 [2024-09-12 17:56:09,694 INFO L434 NwaCegarLoop]: 21 mSDtfsCounter, 12 mSDsluCounter, 251 mSDsCounter, 0 mSdLazyCounter, 324 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 272 SdHoareTripleChecker+Invalid, 341 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:09,694 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 272 Invalid, 341 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 324 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-09-12 17:56:09,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2024-09-12 17:56:09,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2024-09-12 17:56:09,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 206 states have (on average 1.0097087378640777) internal successors, (208), 207 states have internal predecessors, (208), 53 states have call successors, (53), 6 states have call predecessors, (53), 5 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-09-12 17:56:09,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 313 transitions. [2024-09-12 17:56:09,723 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 313 transitions. Word has length 214 [2024-09-12 17:56:09,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:09,724 INFO L474 AbstractCegarLoop]: Abstraction has 266 states and 313 transitions. [2024-09-12 17:56:09,724 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 6.377777777777778) internal successors, (287), 46 states have internal predecessors, (287), 37 states have call successors, (71), 1 states have call predecessors, (71), 1 states have return successors, (70), 37 states have call predecessors, (70), 37 states have call successors, (70) [2024-09-12 17:56:09,725 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:09,725 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 313 transitions. [2024-09-12 17:56:09,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 443 [2024-09-12 17:56:09,728 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:09,729 INFO L216 NwaCegarLoop]: trace histogram [50, 50, 50, 25, 25, 25, 25, 25, 25, 25, 25, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:09,743 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-09-12 17:56:09,932 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,9 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:09,933 INFO L399 AbstractCegarLoop]: === Iteration 19 === Targeting mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 17:56:09,933 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:09,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1872796721, now seen corresponding path program 2 times [2024-09-12 17:56:09,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:09,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128550816] [2024-09-12 17:56:09,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:09,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:09,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,782 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:10,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,784 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:10,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,785 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:10,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,786 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:10,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,788 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-09-12 17:56:10,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,789 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-09-12 17:56:10,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,790 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-09-12 17:56:10,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,792 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-09-12 17:56:10,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,793 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-09-12 17:56:10,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,794 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-09-12 17:56:10,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,795 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-09-12 17:56:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,797 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-12 17:56:10,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,798 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-09-12 17:56:10,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,799 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-09-12 17:56:10,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,801 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-09-12 17:56:10,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,802 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-09-12 17:56:10,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,803 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-09-12 17:56:10,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,805 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-09-12 17:56:10,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,806 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-09-12 17:56:10,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,807 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-12 17:56:10,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,809 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-09-12 17:56:10,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,810 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-09-12 17:56:10,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,811 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-09-12 17:56:10,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,813 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-09-12 17:56:10,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,814 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-09-12 17:56:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,815 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-09-12 17:56:10,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,817 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-09-12 17:56:10,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,818 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-09-12 17:56:10,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,819 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-09-12 17:56:10,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,821 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-09-12 17:56:10,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,822 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-09-12 17:56:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,823 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-09-12 17:56:10,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,824 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-09-12 17:56:10,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,826 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-09-12 17:56:10,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,827 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-09-12 17:56:10,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,828 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-09-12 17:56:10,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,829 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-09-12 17:56:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,831 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-09-12 17:56:10,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,832 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-09-12 17:56:10,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,833 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2024-09-12 17:56:10,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,835 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2024-09-12 17:56:10,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,836 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2024-09-12 17:56:10,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,837 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2024-09-12 17:56:10,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,839 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2024-09-12 17:56:10,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,841 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2024-09-12 17:56:10,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,842 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2024-09-12 17:56:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,843 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2024-09-12 17:56:10,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,845 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2024-09-12 17:56:10,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,846 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2024-09-12 17:56:10,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,848 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2024-09-12 17:56:10,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,849 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2024-09-12 17:56:10,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:10,852 INFO L134 CoverageAnalysis]: Checked inductivity of 7552 backedges. 0 proven. 2652 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-09-12 17:56:10,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:10,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128550816] [2024-09-12 17:56:10,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128550816] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:56:10,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1107151963] [2024-09-12 17:56:10,853 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-09-12 17:56:10,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:10,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:56:10,854 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 17:56:10,856 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 17:56:10,962 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-09-12 17:56:10,962 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 17:56:10,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 846 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-09-12 17:56:10,968 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:56:11,549 INFO L134 CoverageAnalysis]: Checked inductivity of 7552 backedges. 0 proven. 2652 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-09-12 17:56:11,549 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 17:56:12,626 INFO L134 CoverageAnalysis]: Checked inductivity of 7552 backedges. 0 proven. 2652 refuted. 0 times theorem prover too weak. 4900 trivial. 0 not checked. [2024-09-12 17:56:12,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1107151963] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 17:56:12,626 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 17:56:12,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 28, 28] total 84 [2024-09-12 17:56:12,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240722841] [2024-09-12 17:56:12,627 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 17:56:12,628 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-09-12 17:56:12,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:12,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-09-12 17:56:12,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3173, Invalid=3967, Unknown=0, NotChecked=0, Total=7140 [2024-09-12 17:56:12,631 INFO L87 Difference]: Start difference. First operand 266 states and 313 transitions. Second operand has 85 states, 84 states have (on average 6.738095238095238) internal successors, (566), 85 states have internal predecessors, (566), 76 states have call successors, (152), 1 states have call predecessors, (152), 1 states have return successors, (151), 76 states have call predecessors, (151), 76 states have call successors, (151) [2024-09-12 17:56:13,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:13,198 INFO L93 Difference]: Finished difference Result 505 states and 656 transitions. [2024-09-12 17:56:13,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-09-12 17:56:13,198 INFO L78 Accepts]: Start accepts. Automaton has has 85 states, 84 states have (on average 6.738095238095238) internal successors, (566), 85 states have internal predecessors, (566), 76 states have call successors, (152), 1 states have call predecessors, (152), 1 states have return successors, (151), 76 states have call predecessors, (151), 76 states have call successors, (151) Word has length 442 [2024-09-12 17:56:13,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:13,202 INFO L225 Difference]: With dead ends: 505 [2024-09-12 17:56:13,202 INFO L226 Difference]: Without dead ends: 503 [2024-09-12 17:56:13,204 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 1020 GetRequests, 932 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2823 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=3504, Invalid=4506, Unknown=0, NotChecked=0, Total=8010 [2024-09-12 17:56:13,204 INFO L434 NwaCegarLoop]: 22 mSDtfsCounter, 6 mSDsluCounter, 331 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:13,204 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 353 Invalid, 531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-09-12 17:56:13,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2024-09-12 17:56:13,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 503. [2024-09-12 17:56:13,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 503 states, 390 states have (on average 1.005128205128205) internal successors, (392), 391 states have internal predecessors, (392), 106 states have call successors, (106), 6 states have call predecessors, (106), 5 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2024-09-12 17:56:13,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 503 states and 603 transitions. [2024-09-12 17:56:13,274 INFO L78 Accepts]: Start accepts. Automaton has 503 states and 603 transitions. Word has length 442 [2024-09-12 17:56:13,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:13,275 INFO L474 AbstractCegarLoop]: Abstraction has 503 states and 603 transitions. [2024-09-12 17:56:13,275 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 84 states have (on average 6.738095238095238) internal successors, (566), 85 states have internal predecessors, (566), 76 states have call successors, (152), 1 states have call predecessors, (152), 1 states have return successors, (151), 76 states have call predecessors, (151), 76 states have call successors, (151) [2024-09-12 17:56:13,275 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:13,275 INFO L276 IsEmpty]: Start isEmpty. Operand 503 states and 603 transitions. [2024-09-12 17:56:13,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 895 [2024-09-12 17:56:13,290 INFO L208 NwaCegarLoop]: Found error trace [2024-09-12 17:56:13,290 INFO L216 NwaCegarLoop]: trace histogram [103, 103, 103, 52, 52, 52, 52, 51, 51, 51, 51, 51, 51, 51, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:13,303 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 17:56:13,494 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:13,495 INFO L399 AbstractCegarLoop]: === Iteration 20 === Targeting mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2024-09-12 17:56:13,495 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:13,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1619940858, now seen corresponding path program 3 times [2024-09-12 17:56:13,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-09-12 17:56:13,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723691574] [2024-09-12 17:56:13,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-09-12 17:56:13,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-09-12 17:56:13,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,293 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2024-09-12 17:56:16,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,296 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-09-12 17:56:16,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,299 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-09-12 17:56:16,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,301 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-09-12 17:56:16,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,303 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-09-12 17:56:16,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,304 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-09-12 17:56:16,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,305 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-09-12 17:56:16,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,311 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-09-12 17:56:16,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,312 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-09-12 17:56:16,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,313 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-09-12 17:56:16,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,314 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-09-12 17:56:16,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,316 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-09-12 17:56:16,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,318 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-09-12 17:56:16,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,319 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-09-12 17:56:16,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,320 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-09-12 17:56:16,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,322 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-09-12 17:56:16,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,323 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-09-12 17:56:16,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,324 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-09-12 17:56:16,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,326 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-09-12 17:56:16,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,330 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-09-12 17:56:16,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,331 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2024-09-12 17:56:16,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,333 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-09-12 17:56:16,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,334 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-09-12 17:56:16,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,335 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2024-09-12 17:56:16,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,336 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-09-12 17:56:16,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,338 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2024-09-12 17:56:16,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,339 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2024-09-12 17:56:16,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,341 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2024-09-12 17:56:16,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,342 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2024-09-12 17:56:16,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,343 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2024-09-12 17:56:16,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,344 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2024-09-12 17:56:16,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,346 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2024-09-12 17:56:16,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,347 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2024-09-12 17:56:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,348 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2024-09-12 17:56:16,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,350 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2024-09-12 17:56:16,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,351 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2024-09-12 17:56:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,353 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2024-09-12 17:56:16,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,354 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2024-09-12 17:56:16,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,356 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2024-09-12 17:56:16,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,357 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2024-09-12 17:56:16,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,359 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2024-09-12 17:56:16,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,361 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2024-09-12 17:56:16,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,362 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2024-09-12 17:56:16,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,364 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2024-09-12 17:56:16,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,367 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2024-09-12 17:56:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,368 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2024-09-12 17:56:16,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,370 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2024-09-12 17:56:16,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,372 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2024-09-12 17:56:16,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,374 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2024-09-12 17:56:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,376 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2024-09-12 17:56:16,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,378 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2024-09-12 17:56:16,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,379 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2024-09-12 17:56:16,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,381 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2024-09-12 17:56:16,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,382 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2024-09-12 17:56:16,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,384 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2024-09-12 17:56:16,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,385 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 479 [2024-09-12 17:56:16,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,387 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2024-09-12 17:56:16,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,388 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2024-09-12 17:56:16,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,390 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2024-09-12 17:56:16,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,392 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2024-09-12 17:56:16,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,393 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2024-09-12 17:56:16,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,394 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2024-09-12 17:56:16,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,396 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2024-09-12 17:56:16,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,397 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2024-09-12 17:56:16,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,399 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2024-09-12 17:56:16,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,400 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2024-09-12 17:56:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,401 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2024-09-12 17:56:16,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,403 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2024-09-12 17:56:16,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,404 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 588 [2024-09-12 17:56:16,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,405 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 598 [2024-09-12 17:56:16,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,407 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2024-09-12 17:56:16,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,408 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 615 [2024-09-12 17:56:16,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,411 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 622 [2024-09-12 17:56:16,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,414 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2024-09-12 17:56:16,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,416 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 639 [2024-09-12 17:56:16,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,418 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 649 [2024-09-12 17:56:16,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,420 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 656 [2024-09-12 17:56:16,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,421 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 666 [2024-09-12 17:56:16,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,423 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2024-09-12 17:56:16,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,425 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 683 [2024-09-12 17:56:16,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,429 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 690 [2024-09-12 17:56:16,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,430 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 700 [2024-09-12 17:56:16,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,431 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 707 [2024-09-12 17:56:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,434 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 717 [2024-09-12 17:56:16,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,436 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 724 [2024-09-12 17:56:16,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,438 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 734 [2024-09-12 17:56:16,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,439 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 741 [2024-09-12 17:56:16,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,442 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 751 [2024-09-12 17:56:16,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,444 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 758 [2024-09-12 17:56:16,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,447 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 768 [2024-09-12 17:56:16,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,449 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 775 [2024-09-12 17:56:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,450 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 785 [2024-09-12 17:56:16,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,451 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 792 [2024-09-12 17:56:16,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,453 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 802 [2024-09-12 17:56:16,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,454 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 809 [2024-09-12 17:56:16,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,455 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 819 [2024-09-12 17:56:16,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,457 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 826 [2024-09-12 17:56:16,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,458 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 836 [2024-09-12 17:56:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,459 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 843 [2024-09-12 17:56:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,461 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 853 [2024-09-12 17:56:16,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,466 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 860 [2024-09-12 17:56:16,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,468 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 870 [2024-09-12 17:56:16,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,469 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 877 [2024-09-12 17:56:16,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,470 INFO L381 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 887 [2024-09-12 17:56:16,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-09-12 17:56:16,479 INFO L134 CoverageAnalysis]: Checked inductivity of 32691 backedges. 0 proven. 11679 refuted. 0 times theorem prover too weak. 21012 trivial. 0 not checked. [2024-09-12 17:56:16,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-09-12 17:56:16,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723691574] [2024-09-12 17:56:16,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723691574] provided 0 perfect and 1 imperfect interpolant sequences [2024-09-12 17:56:16,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2053915681] [2024-09-12 17:56:16,480 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-09-12 17:56:16,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:16,480 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/automizer/z3 [2024-09-12 17:56:16,481 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 17:56:16,484 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 17:56:16,566 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-09-12 17:56:16,567 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-09-12 17:56:16,568 INFO L262 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-09-12 17:56:16,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-09-12 17:56:17,082 INFO L134 CoverageAnalysis]: Checked inductivity of 32691 backedges. 303 proven. 407 refuted. 0 times theorem prover too weak. 31981 trivial. 0 not checked. [2024-09-12 17:56:17,082 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-09-12 17:56:17,894 INFO L134 CoverageAnalysis]: Checked inductivity of 32691 backedges. 303 proven. 407 refuted. 0 times theorem prover too weak. 31981 trivial. 0 not checked. [2024-09-12 17:56:17,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2053915681] provided 0 perfect and 2 imperfect interpolant sequences [2024-09-12 17:56:17,894 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-09-12 17:56:17,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 7, 7] total 67 [2024-09-12 17:56:17,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167821679] [2024-09-12 17:56:17,895 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-09-12 17:56:17,896 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 68 states [2024-09-12 17:56:17,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-09-12 17:56:17,897 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2024-09-12 17:56:17,898 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1792, Invalid=2764, Unknown=0, NotChecked=0, Total=4556 [2024-09-12 17:56:17,898 INFO L87 Difference]: Start difference. First operand 503 states and 603 transitions. Second operand has 68 states, 67 states have (on average 6.462686567164179) internal successors, (433), 68 states have internal predecessors, (433), 57 states have call successors, (111), 1 states have call predecessors, (111), 2 states have return successors, (112), 59 states have call predecessors, (112), 57 states have call successors, (112) [2024-09-12 17:56:18,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-09-12 17:56:18,113 INFO L93 Difference]: Finished difference Result 503 states and 603 transitions. [2024-09-12 17:56:18,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-09-12 17:56:18,114 INFO L78 Accepts]: Start accepts. Automaton has has 68 states, 67 states have (on average 6.462686567164179) internal successors, (433), 68 states have internal predecessors, (433), 57 states have call successors, (111), 1 states have call predecessors, (111), 2 states have return successors, (112), 59 states have call predecessors, (112), 57 states have call successors, (112) Word has length 894 [2024-09-12 17:56:18,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-09-12 17:56:18,116 INFO L225 Difference]: With dead ends: 503 [2024-09-12 17:56:18,116 INFO L226 Difference]: Without dead ends: 0 [2024-09-12 17:56:18,119 INFO L433 NwaCegarLoop]: 0 DeclaredPredicates, 2060 GetRequests, 1985 SyntacticMatches, 1 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 647 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=2241, Invalid=3459, Unknown=0, NotChecked=0, Total=5700 [2024-09-12 17:56:18,119 INFO L434 NwaCegarLoop]: 18 mSDtfsCounter, 37 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-09-12 17:56:18,120 INFO L435 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 179 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-09-12 17:56:18,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-09-12 17:56:18,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-09-12 17:56:18,120 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 17:56:18,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-09-12 17:56:18,120 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 894 [2024-09-12 17:56:18,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-09-12 17:56:18,121 INFO L474 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-09-12 17:56:18,121 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 68 states, 67 states have (on average 6.462686567164179) internal successors, (433), 68 states have internal predecessors, (433), 57 states have call successors, (111), 1 states have call predecessors, (111), 2 states have return successors, (112), 59 states have call predecessors, (112), 57 states have call successors, (112) [2024-09-12 17:56:18,121 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-09-12 17:56:18,121 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-09-12 17:56:18,121 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-09-12 17:56:18,123 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 13 remaining) [2024-09-12 17:56:18,124 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 13 remaining) [2024-09-12 17:56:18,124 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 13 remaining) [2024-09-12 17:56:18,124 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 13 remaining) [2024-09-12 17:56:18,124 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 13 remaining) [2024-09-12 17:56:18,124 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 13 remaining) [2024-09-12 17:56:18,124 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 13 remaining) [2024-09-12 17:56:18,124 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 13 remaining) [2024-09-12 17:56:18,124 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 13 remaining) [2024-09-12 17:56:18,124 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 13 remaining) [2024-09-12 17:56:18,124 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 13 remaining) [2024-09-12 17:56:18,124 INFO L785 garLoopResultBuilder]: Registering result SAFE for location mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 13 remaining) [2024-09-12 17:56:18,124 INFO L785 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 13 remaining) [2024-09-12 17:56:18,138 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-09-12 17:56:18,325 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,11 /storage/repos/certificate-witnesses-artifact/automizer/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-09-12 17:56:18,327 INFO L408 BasicCegarLoop]: Path program histogram: [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-09-12 17:56:18,329 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-09-12 17:56:20,836 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-09-12 17:56:20,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.09 05:56:20 BoogieIcfgContainer [2024-09-12 17:56:20,848 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-09-12 17:56:20,849 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-09-12 17:56:20,849 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-09-12 17:56:20,849 INFO L274 PluginConnector]: Witness Printer initialized [2024-09-12 17:56:20,849 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 05:56:00" (3/4) ... [2024-09-12 17:56:20,850 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-09-12 17:56:20,853 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2024-09-12 17:56:20,853 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2024-09-12 17:56:20,853 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-09-12 17:56:20,856 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-09-12 17:56:20,856 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-09-12 17:56:20,856 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-09-12 17:56:20,856 INFO L896 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-09-12 17:56:20,930 INFO L149 WitnessManager]: Wrote witness to /storage/repos/certificate-witnesses-artifact/automizer/witness.graphml [2024-09-12 17:56:20,930 INFO L149 WitnessManager]: Wrote witness to /storage/repos/certificate-witnesses-artifact/automizer/witness.yml [2024-09-12 17:56:20,930 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-09-12 17:56:20,931 INFO L158 Benchmark]: Toolchain (without parser) took 20710.17ms. Allocated memory was 83.9MB in the beginning and 557.8MB in the end (delta: 474.0MB). Free memory was 47.6MB in the beginning and 292.3MB in the end (delta: -244.7MB). Peak memory consumption was 228.8MB. Max. memory is 16.1GB. [2024-09-12 17:56:20,931 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 83.9MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 17:56:20,931 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.14ms. Allocated memory is still 83.9MB. Free memory was 47.4MB in the beginning and 61.6MB in the end (delta: -14.2MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2024-09-12 17:56:20,931 INFO L158 Benchmark]: Boogie Procedure Inliner took 14.60ms. Allocated memory is still 83.9MB. Free memory was 61.6MB in the beginning and 60.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 17:56:20,932 INFO L158 Benchmark]: Boogie Preprocessor took 33.52ms. Allocated memory is still 83.9MB. Free memory was 60.6MB in the beginning and 58.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 17:56:20,932 INFO L158 Benchmark]: RCFGBuilder took 309.32ms. Allocated memory is still 83.9MB. Free memory was 58.8MB in the beginning and 44.6MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-12 17:56:20,932 INFO L158 Benchmark]: TraceAbstraction took 20011.01ms. Allocated memory was 83.9MB in the beginning and 557.8MB in the end (delta: 474.0MB). Free memory was 43.9MB in the beginning and 297.6MB in the end (delta: -253.6MB). Peak memory consumption was 318.5MB. Max. memory is 16.1GB. [2024-09-12 17:56:20,932 INFO L158 Benchmark]: Witness Printer took 81.66ms. Allocated memory is still 557.8MB. Free memory was 297.6MB in the beginning and 292.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-12 17:56:20,933 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 83.9MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 255.14ms. Allocated memory is still 83.9MB. Free memory was 47.4MB in the beginning and 61.6MB in the end (delta: -14.2MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 14.60ms. Allocated memory is still 83.9MB. Free memory was 61.6MB in the beginning and 60.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.52ms. Allocated memory is still 83.9MB. Free memory was 60.6MB in the beginning and 58.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 309.32ms. Allocated memory is still 83.9MB. Free memory was 58.8MB in the beginning and 44.6MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 20011.01ms. Allocated memory was 83.9MB in the beginning and 557.8MB in the end (delta: 474.0MB). Free memory was 43.9MB in the beginning and 297.6MB in the end (delta: -253.6MB). Peak memory consumption was 318.5MB. Max. memory is 16.1GB. * Witness Printer took 81.66ms. Allocated memory is still 557.8MB. Free memory was 297.6MB in the beginning and 292.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 51]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 50 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 17.4s, OverallIterations: 20, TraceHistogramMax: 103, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 262 SdHoareTripleChecker+Valid, 1.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 246 mSDsluCounter, 3125 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2523 mSDsCounter, 116 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2869 IncrementalHoareTripleChecker+Invalid, 2985 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 116 mSolverCounterUnsat, 602 mSDtfsCounter, 2869 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4753 GetRequests, 4348 SyntacticMatches, 9 SemanticMatches, 396 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5216 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=503occurred in iteration=19, InterpolantAutomatonStates: 248, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 20 MinimizatonAttempts, 12 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 11.0s InterpolantComputationTime, 4280 NumberOfCodeBlocks, 3365 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 6224 ConstructedInterpolants, 0 QuantifiedInterpolants, 14315 SizeOfPredicates, 17 NumberOfNonLiveVariables, 2274 ConjunctsInSsa, 111 ConjunctsInUnsatCore, 39 InterpolantComputations, 11 PerfectInterpolantSequences, 105041/127684 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 13 specifications checked. All of them hold - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: (((((((bufsize_0 <= 999999) && (1 <= p)) && (1 <= ielen)) && ((bufsize + p) <= bufsize_0)) && (i == 0)) && ((p + ((long long) 2 * ielen)) <= bufsize_0)) || (((((((((bufsize_0 <= 999999) && ((p + ((long long) 2 * ielen)) <= (bufsize_0 + ((long long) i * 2)))) && (1 <= p)) && (i <= 2147483646)) && (1 <= ielen)) && (ielen <= 999999)) && (p <= 999999)) && (bufsize <= 999999)) && (1 <= i))) - InvariantResult [Line: 24]: Location Invariant Derived location invariant: 1 - ProcedureContractResult [Line: 17]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: (\old(cond) != 0) Ensures: (\old(cond) != 0) RESULT: Ultimate proved your program to be correct! [2024-09-12 17:56:20,953 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/automizer/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE