/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/systemc/mem_slave_tlm.4.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:58:32,688 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:58:32,691 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:58:32,735 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 16:58:32,747 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:58:32,748 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:58:32,749 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:58:32,751 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:58:32,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:58:32,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:58:32,755 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:58:32,757 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:58:32,759 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:58:32,760 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:58:32,761 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:58:32,762 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:58:32,767 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 16:58:32,777 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:58:32,778 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:58:32,779 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:58:32,780 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 16:58:32,829 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:58:32,830 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:58:32,830 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:58:32,832 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:58:32,833 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:58:32,833 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:58:32,835 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:58:32,836 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:58:32,836 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:58:32,836 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:58:32,836 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:58:32,838 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:58:32,838 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:58:32,839 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:58:32,839 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:58:32,839 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:58:32,839 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:58:32,840 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:58:32,840 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:58:32,840 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:58:32,840 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:58:32,841 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:58:32,841 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:58:32,841 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:58:32,842 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:58:32,842 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:58:32,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:58:32,843 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:58:32,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:58:32,844 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:58:32,844 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:58:32,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:58:32,845 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:58:32,845 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:58:33,212 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:58:33,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:58:33,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:58:33,254 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:58:33,255 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:58:33,257 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/mem_slave_tlm.4.cil.c [2022-10-16 16:58:33,340 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/800be1be3/2333d58e31a14d2f99184b9e429b1ade/FLAGb82e37bc0 [2022-10-16 16:58:33,974 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:58:33,978 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/mem_slave_tlm.4.cil.c [2022-10-16 16:58:34,004 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/800be1be3/2333d58e31a14d2f99184b9e429b1ade/FLAGb82e37bc0 [2022-10-16 16:58:34,282 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/800be1be3/2333d58e31a14d2f99184b9e429b1ade [2022-10-16 16:58:34,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:58:34,292 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:58:34,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:58:34,294 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:58:34,298 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:58:34,299 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:58:34" (1/1) ... [2022-10-16 16:58:34,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c27bea7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:58:34, skipping insertion in model container [2022-10-16 16:58:34,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:58:34" (1/1) ... [2022-10-16 16:58:34,310 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:58:34,381 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:58:34,521 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/mem_slave_tlm.4.cil.c[646,659] [2022-10-16 16:58:34,656 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:58:34,666 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:58:34,679 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/mem_slave_tlm.4.cil.c[646,659] [2022-10-16 16:58:34,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:58:34,833 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:58:34,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:58:34 WrapperNode [2022-10-16 16:58:34,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:58:34,835 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:58:34,835 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:58:34,836 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:58:34,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:58:34" (1/1) ... [2022-10-16 16:58:34,858 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:58:34" (1/1) ... [2022-10-16 16:58:34,921 INFO L138 Inliner]: procedures = 19, calls = 18, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 869 [2022-10-16 16:58:34,922 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:58:34,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:58:34,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:58:34,926 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:58:34,938 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:58:34" (1/1) ... [2022-10-16 16:58:34,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:58:34" (1/1) ... [2022-10-16 16:58:34,942 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:58:34" (1/1) ... [2022-10-16 16:58:34,942 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:58:34" (1/1) ... [2022-10-16 16:58:34,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:58:34" (1/1) ... [2022-10-16 16:58:34,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:58:34" (1/1) ... [2022-10-16 16:58:34,976 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:58:34" (1/1) ... [2022-10-16 16:58:34,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:58:34" (1/1) ... [2022-10-16 16:58:34,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:58:34,986 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:58:34,987 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:58:34,987 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:58:34,988 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:58:34" (1/1) ... [2022-10-16 16:58:34,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:58:35,010 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:58:35,025 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 16:58:35,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 16:58:35,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:58:35,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:58:35,084 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-10-16 16:58:35,085 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-10-16 16:58:35,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:58:35,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:58:35,281 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:58:35,284 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:58:36,157 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:58:36,170 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:58:36,170 INFO L300 CfgBuilder]: Removed 13 assume(true) statements. [2022-10-16 16:58:36,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:58:36 BoogieIcfgContainer [2022-10-16 16:58:36,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:58:36,175 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:58:36,175 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:58:36,179 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:58:36,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:58:34" (1/3) ... [2022-10-16 16:58:36,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ffd624 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:58:36, skipping insertion in model container [2022-10-16 16:58:36,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:58:34" (2/3) ... [2022-10-16 16:58:36,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ffd624 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:58:36, skipping insertion in model container [2022-10-16 16:58:36,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:58:36" (3/3) ... [2022-10-16 16:58:36,182 INFO L112 eAbstractionObserver]: Analyzing ICFG mem_slave_tlm.4.cil.c [2022-10-16 16:58:36,202 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:58:36,203 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-10-16 16:58:36,270 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:58:36,279 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@6e463f5a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:58:36,279 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-10-16 16:58:36,286 INFO L276 IsEmpty]: Start isEmpty. Operand has 291 states, 276 states have (on average 1.858695652173913) internal successors, (513), 289 states have internal predecessors, (513), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-10-16 16:58:36,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-16 16:58:36,296 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:58:36,297 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:58:36,298 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:58:36,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:58:36,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1773166344, now seen corresponding path program 1 times [2022-10-16 16:58:36,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:58:36,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731678657] [2022-10-16 16:58:36,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:58:36,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:58:36,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:36,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:58:36,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:58:36,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731678657] [2022-10-16 16:58:36,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731678657] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:58:36,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:58:36,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:58:36,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674739093] [2022-10-16 16:58:36,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:58:36,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:58:36,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:58:36,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:58:36,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:58:36,626 INFO L87 Difference]: Start difference. First operand has 291 states, 276 states have (on average 1.858695652173913) internal successors, (513), 289 states have internal predecessors, (513), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2022-10-16 16:58:37,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:58:37,123 INFO L93 Difference]: Finished difference Result 772 states and 1383 transitions. [2022-10-16 16:58:37,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:58:37,129 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) Word has length 20 [2022-10-16 16:58:37,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:58:37,145 INFO L225 Difference]: With dead ends: 772 [2022-10-16 16:58:37,145 INFO L226 Difference]: Without dead ends: 466 [2022-10-16 16:58:37,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:58:37,155 INFO L413 NwaCegarLoop]: 493 mSDtfsCounter, 281 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 817 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:58:37,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 817 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:58:37,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2022-10-16 16:58:37,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 452. [2022-10-16 16:58:37,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 452 states, 444 states have (on average 1.5968468468468469) internal successors, (709), 451 states have internal predecessors, (709), 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) [2022-10-16 16:58:37,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 452 states to 452 states and 709 transitions. [2022-10-16 16:58:37,249 INFO L78 Accepts]: Start accepts. Automaton has 452 states and 709 transitions. Word has length 20 [2022-10-16 16:58:37,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:58:37,250 INFO L495 AbstractCegarLoop]: Abstraction has 452 states and 709 transitions. [2022-10-16 16:58:37,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2022-10-16 16:58:37,251 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 709 transitions. [2022-10-16 16:58:37,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-16 16:58:37,252 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:58:37,252 INFO L195 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] [2022-10-16 16:58:37,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:58:37,253 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:58:37,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:58:37,254 INFO L85 PathProgramCache]: Analyzing trace with hash 282207273, now seen corresponding path program 1 times [2022-10-16 16:58:37,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:58:37,254 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502137776] [2022-10-16 16:58:37,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:58:37,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:58:37,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:37,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:58:37,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:58:37,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502137776] [2022-10-16 16:58:37,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502137776] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:58:37,443 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:58:37,443 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:58:37,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041334644] [2022-10-16 16:58:37,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:58:37,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:58:37,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:58:37,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:58:37,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:58:37,448 INFO L87 Difference]: Start difference. First operand 452 states and 709 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2022-10-16 16:58:37,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:58:37,592 INFO L93 Difference]: Finished difference Result 1231 states and 1957 transitions. [2022-10-16 16:58:37,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:58:37,593 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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) Word has length 24 [2022-10-16 16:58:37,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:58:37,599 INFO L225 Difference]: With dead ends: 1231 [2022-10-16 16:58:37,599 INFO L226 Difference]: Without dead ends: 793 [2022-10-16 16:58:37,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:58:37,610 INFO L413 NwaCegarLoop]: 762 mSDtfsCounter, 402 mSDsluCounter, 425 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 1187 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:58:37,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [402 Valid, 1187 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:58:37,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 793 states. [2022-10-16 16:58:37,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 793 to 694. [2022-10-16 16:58:37,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 694 states, 686 states have (on average 1.5845481049562682) internal successors, (1087), 693 states have internal predecessors, (1087), 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) [2022-10-16 16:58:37,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 694 states and 1087 transitions. [2022-10-16 16:58:37,717 INFO L78 Accepts]: Start accepts. Automaton has 694 states and 1087 transitions. Word has length 24 [2022-10-16 16:58:37,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:58:37,718 INFO L495 AbstractCegarLoop]: Abstraction has 694 states and 1087 transitions. [2022-10-16 16:58:37,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 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) [2022-10-16 16:58:37,719 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 1087 transitions. [2022-10-16 16:58:37,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-16 16:58:37,728 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:58:37,729 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:58:37,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:58:37,730 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:58:37,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:58:37,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1902530479, now seen corresponding path program 1 times [2022-10-16 16:58:37,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:58:37,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336038860] [2022-10-16 16:58:37,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:58:37,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:58:37,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:37,872 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:58:37,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:58:37,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336038860] [2022-10-16 16:58:37,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336038860] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:58:37,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:58:37,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:58:37,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12165403] [2022-10-16 16:58:37,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:58:37,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:58:37,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:58:37,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:58:37,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:58:37,876 INFO L87 Difference]: Start difference. First operand 694 states and 1087 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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) [2022-10-16 16:58:38,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:58:38,212 INFO L93 Difference]: Finished difference Result 1668 states and 2628 transitions. [2022-10-16 16:58:38,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:58:38,213 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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) Word has length 55 [2022-10-16 16:58:38,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:58:38,220 INFO L225 Difference]: With dead ends: 1668 [2022-10-16 16:58:38,220 INFO L226 Difference]: Without dead ends: 988 [2022-10-16 16:58:38,221 INFO L412 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 [2022-10-16 16:58:38,223 INFO L413 NwaCegarLoop]: 661 mSDtfsCounter, 652 mSDsluCounter, 878 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 652 SdHoareTripleChecker+Valid, 1539 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:58:38,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [652 Valid, 1539 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:58:38,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 988 states. [2022-10-16 16:58:38,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 988 to 866. [2022-10-16 16:58:38,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 866 states, 858 states have (on average 1.592074592074592) internal successors, (1366), 865 states have internal predecessors, (1366), 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) [2022-10-16 16:58:38,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 1366 transitions. [2022-10-16 16:58:38,274 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 1366 transitions. Word has length 55 [2022-10-16 16:58:38,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:58:38,274 INFO L495 AbstractCegarLoop]: Abstraction has 866 states and 1366 transitions. [2022-10-16 16:58:38,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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) [2022-10-16 16:58:38,275 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1366 transitions. [2022-10-16 16:58:38,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-16 16:58:38,277 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:58:38,277 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:58:38,278 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:58:38,278 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:58:38,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:58:38,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1195321074, now seen corresponding path program 1 times [2022-10-16 16:58:38,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:58:38,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111398222] [2022-10-16 16:58:38,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:58:38,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:58:38,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:38,394 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:58:38,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:58:38,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111398222] [2022-10-16 16:58:38,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111398222] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:58:38,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:58:38,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:58:38,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983083129] [2022-10-16 16:58:38,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:58:38,399 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:58:38,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:58:38,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:58:38,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:58:38,400 INFO L87 Difference]: Start difference. First operand 866 states and 1366 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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) [2022-10-16 16:58:38,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:58:38,715 INFO L93 Difference]: Finished difference Result 2148 states and 3366 transitions. [2022-10-16 16:58:38,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:58:38,715 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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) Word has length 58 [2022-10-16 16:58:38,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:58:38,723 INFO L225 Difference]: With dead ends: 2148 [2022-10-16 16:58:38,723 INFO L226 Difference]: Without dead ends: 1296 [2022-10-16 16:58:38,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:58:38,726 INFO L413 NwaCegarLoop]: 669 mSDtfsCounter, 441 mSDsluCounter, 890 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 1559 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:58:38,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 1559 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:58:38,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1296 states. [2022-10-16 16:58:38,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1296 to 1209. [2022-10-16 16:58:38,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1209 states, 1201 states have (on average 1.5736885928393005) internal successors, (1890), 1208 states have internal predecessors, (1890), 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) [2022-10-16 16:58:38,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1209 states to 1209 states and 1890 transitions. [2022-10-16 16:58:38,806 INFO L78 Accepts]: Start accepts. Automaton has 1209 states and 1890 transitions. Word has length 58 [2022-10-16 16:58:38,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:58:38,807 INFO L495 AbstractCegarLoop]: Abstraction has 1209 states and 1890 transitions. [2022-10-16 16:58:38,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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) [2022-10-16 16:58:38,807 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1890 transitions. [2022-10-16 16:58:38,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-16 16:58:38,809 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:58:38,809 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:58:38,810 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:58:38,810 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:58:38,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:58:38,811 INFO L85 PathProgramCache]: Analyzing trace with hash 93056873, now seen corresponding path program 1 times [2022-10-16 16:58:38,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:58:38,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825846072] [2022-10-16 16:58:38,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:58:38,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:58:38,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:38,932 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:58:38,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:58:38,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825846072] [2022-10-16 16:58:38,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825846072] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:58:38,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:58:38,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:58:38,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835966023] [2022-10-16 16:58:38,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:58:38,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:58:38,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:58:38,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:58:38,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:58:38,935 INFO L87 Difference]: Start difference. First operand 1209 states and 1890 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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) [2022-10-16 16:58:39,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:58:39,424 INFO L93 Difference]: Finished difference Result 3810 states and 5843 transitions. [2022-10-16 16:58:39,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:58:39,425 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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) Word has length 69 [2022-10-16 16:58:39,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:58:39,442 INFO L225 Difference]: With dead ends: 3810 [2022-10-16 16:58:39,442 INFO L226 Difference]: Without dead ends: 2612 [2022-10-16 16:58:39,445 INFO L412 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 [2022-10-16 16:58:39,448 INFO L413 NwaCegarLoop]: 449 mSDtfsCounter, 709 mSDsluCounter, 678 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 709 SdHoareTripleChecker+Valid, 1127 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:58:39,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [709 Valid, 1127 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:58:39,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2612 states. [2022-10-16 16:58:39,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2612 to 2260. [2022-10-16 16:58:39,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2260 states, 2252 states have (on average 1.5448490230905862) internal successors, (3479), 2259 states have internal predecessors, (3479), 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) [2022-10-16 16:58:39,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2260 states to 2260 states and 3479 transitions. [2022-10-16 16:58:39,647 INFO L78 Accepts]: Start accepts. Automaton has 2260 states and 3479 transitions. Word has length 69 [2022-10-16 16:58:39,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:58:39,647 INFO L495 AbstractCegarLoop]: Abstraction has 2260 states and 3479 transitions. [2022-10-16 16:58:39,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 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) [2022-10-16 16:58:39,648 INFO L276 IsEmpty]: Start isEmpty. Operand 2260 states and 3479 transitions. [2022-10-16 16:58:39,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-16 16:58:39,651 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:58:39,652 INFO L195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:58:39,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:58:39,657 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:58:39,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:58:39,663 INFO L85 PathProgramCache]: Analyzing trace with hash 848997769, now seen corresponding path program 1 times [2022-10-16 16:58:39,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:58:39,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34626757] [2022-10-16 16:58:39,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:58:39,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:58:39,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:39,746 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:58:39,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:58:39,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34626757] [2022-10-16 16:58:39,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34626757] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:58:39,747 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:58:39,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:58:39,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442185262] [2022-10-16 16:58:39,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:58:39,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:58:39,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:58:39,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:58:39,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:58:39,749 INFO L87 Difference]: Start difference. First operand 2260 states and 3479 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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) [2022-10-16 16:58:39,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:58:39,987 INFO L93 Difference]: Finished difference Result 4762 states and 7424 transitions. [2022-10-16 16:58:39,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:58:39,988 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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) Word has length 69 [2022-10-16 16:58:39,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:58:40,003 INFO L225 Difference]: With dead ends: 4762 [2022-10-16 16:58:40,003 INFO L226 Difference]: Without dead ends: 2515 [2022-10-16 16:58:40,007 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:58:40,008 INFO L413 NwaCegarLoop]: 452 mSDtfsCounter, 374 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 374 SdHoareTripleChecker+Valid, 718 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:58:40,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [374 Valid, 718 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:58:40,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2515 states. [2022-10-16 16:58:40,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2515 to 2308. [2022-10-16 16:58:40,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2308 states, 2300 states have (on average 1.578695652173913) internal successors, (3631), 2307 states have internal predecessors, (3631), 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) [2022-10-16 16:58:40,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2308 states to 2308 states and 3631 transitions. [2022-10-16 16:58:40,205 INFO L78 Accepts]: Start accepts. Automaton has 2308 states and 3631 transitions. Word has length 69 [2022-10-16 16:58:40,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:58:40,206 INFO L495 AbstractCegarLoop]: Abstraction has 2308 states and 3631 transitions. [2022-10-16 16:58:40,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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) [2022-10-16 16:58:40,207 INFO L276 IsEmpty]: Start isEmpty. Operand 2308 states and 3631 transitions. [2022-10-16 16:58:40,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 16:58:40,211 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:58:40,211 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:58:40,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:58:40,211 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:58:40,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:58:40,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1193459940, now seen corresponding path program 1 times [2022-10-16 16:58:40,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:58:40,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678126111] [2022-10-16 16:58:40,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:58:40,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:58:40,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:40,285 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:58:40,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:58:40,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678126111] [2022-10-16 16:58:40,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1678126111] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:58:40,286 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:58:40,286 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:58:40,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264065211] [2022-10-16 16:58:40,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:58:40,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:58:40,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:58:40,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:58:40,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:58:40,289 INFO L87 Difference]: Start difference. First operand 2308 states and 3631 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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) [2022-10-16 16:58:40,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:58:40,501 INFO L93 Difference]: Finished difference Result 4935 states and 7762 transitions. [2022-10-16 16:58:40,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:58:40,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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) Word has length 87 [2022-10-16 16:58:40,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:58:40,516 INFO L225 Difference]: With dead ends: 4935 [2022-10-16 16:58:40,517 INFO L226 Difference]: Without dead ends: 2639 [2022-10-16 16:58:40,521 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:58:40,522 INFO L413 NwaCegarLoop]: 453 mSDtfsCounter, 205 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 847 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:58:40,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [205 Valid, 847 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:58:40,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2639 states. [2022-10-16 16:58:40,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2639 to 2625. [2022-10-16 16:58:40,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2625 states, 2617 states have (on average 1.5739396255254108) internal successors, (4119), 2624 states have internal predecessors, (4119), 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) [2022-10-16 16:58:40,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2625 states to 2625 states and 4119 transitions. [2022-10-16 16:58:40,716 INFO L78 Accepts]: Start accepts. Automaton has 2625 states and 4119 transitions. Word has length 87 [2022-10-16 16:58:40,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:58:40,717 INFO L495 AbstractCegarLoop]: Abstraction has 2625 states and 4119 transitions. [2022-10-16 16:58:40,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 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) [2022-10-16 16:58:40,717 INFO L276 IsEmpty]: Start isEmpty. Operand 2625 states and 4119 transitions. [2022-10-16 16:58:40,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 16:58:40,721 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:58:40,722 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:58:40,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:58:40,723 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:58:40,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:58:40,723 INFO L85 PathProgramCache]: Analyzing trace with hash -995496015, now seen corresponding path program 1 times [2022-10-16 16:58:40,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:58:40,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092600630] [2022-10-16 16:58:40,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:58:40,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:58:40,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:40,826 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:58:40,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:58:40,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092600630] [2022-10-16 16:58:40,827 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092600630] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:58:40,827 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:58:40,827 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:58:40,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57469754] [2022-10-16 16:58:40,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:58:40,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:58:40,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:58:40,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:58:40,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:58:40,829 INFO L87 Difference]: Start difference. First operand 2625 states and 4119 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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) [2022-10-16 16:58:41,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:58:41,233 INFO L93 Difference]: Finished difference Result 6209 states and 9862 transitions. [2022-10-16 16:58:41,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:58:41,233 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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) Word has length 96 [2022-10-16 16:58:41,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:58:41,253 INFO L225 Difference]: With dead ends: 6209 [2022-10-16 16:58:41,253 INFO L226 Difference]: Without dead ends: 3760 [2022-10-16 16:58:41,257 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:58:41,258 INFO L413 NwaCegarLoop]: 595 mSDtfsCounter, 260 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 892 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:58:41,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 892 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:58:41,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3760 states. [2022-10-16 16:58:41,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3760 to 3091. [2022-10-16 16:58:41,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3091 states, 3083 states have (on average 1.50373013298735) internal successors, (4636), 3090 states have internal predecessors, (4636), 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) [2022-10-16 16:58:41,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3091 states to 3091 states and 4636 transitions. [2022-10-16 16:58:41,475 INFO L78 Accepts]: Start accepts. Automaton has 3091 states and 4636 transitions. Word has length 96 [2022-10-16 16:58:41,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:58:41,476 INFO L495 AbstractCegarLoop]: Abstraction has 3091 states and 4636 transitions. [2022-10-16 16:58:41,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 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) [2022-10-16 16:58:41,476 INFO L276 IsEmpty]: Start isEmpty. Operand 3091 states and 4636 transitions. [2022-10-16 16:58:41,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-16 16:58:41,478 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:58:41,479 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:58:41,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:58:41,479 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:58:41,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:58:41,480 INFO L85 PathProgramCache]: Analyzing trace with hash 838999254, now seen corresponding path program 1 times [2022-10-16 16:58:41,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:58:41,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487615024] [2022-10-16 16:58:41,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:58:41,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:58:41,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:41,568 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 16:58:41,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:58:41,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487615024] [2022-10-16 16:58:41,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [487615024] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:58:41,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:58:41,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:58:41,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164548584] [2022-10-16 16:58:41,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:58:41,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:58:41,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:58:41,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:58:41,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:58:41,571 INFO L87 Difference]: Start difference. First operand 3091 states and 4636 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 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) [2022-10-16 16:58:42,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:58:42,029 INFO L93 Difference]: Finished difference Result 6209 states and 9308 transitions. [2022-10-16 16:58:42,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:58:42,029 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 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) Word has length 104 [2022-10-16 16:58:42,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:58:42,046 INFO L225 Difference]: With dead ends: 6209 [2022-10-16 16:58:42,047 INFO L226 Difference]: Without dead ends: 3335 [2022-10-16 16:58:42,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:58:42,053 INFO L413 NwaCegarLoop]: 568 mSDtfsCounter, 615 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 615 SdHoareTripleChecker+Valid, 1315 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:58:42,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [615 Valid, 1315 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:58:42,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3335 states. [2022-10-16 16:58:42,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3335 to 3260. [2022-10-16 16:58:42,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3260 states, 3252 states have (on average 1.497539975399754) internal successors, (4870), 3259 states have internal predecessors, (4870), 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) [2022-10-16 16:58:42,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3260 states to 3260 states and 4870 transitions. [2022-10-16 16:58:42,375 INFO L78 Accepts]: Start accepts. Automaton has 3260 states and 4870 transitions. Word has length 104 [2022-10-16 16:58:42,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:58:42,376 INFO L495 AbstractCegarLoop]: Abstraction has 3260 states and 4870 transitions. [2022-10-16 16:58:42,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 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) [2022-10-16 16:58:42,376 INFO L276 IsEmpty]: Start isEmpty. Operand 3260 states and 4870 transitions. [2022-10-16 16:58:42,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-16 16:58:42,379 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:58:42,379 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:58:42,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:58:42,380 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:58:42,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:58:42,381 INFO L85 PathProgramCache]: Analyzing trace with hash -979083367, now seen corresponding path program 1 times [2022-10-16 16:58:42,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:58:42,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647513756] [2022-10-16 16:58:42,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:58:42,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:58:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:42,476 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:58:42,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:58:42,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647513756] [2022-10-16 16:58:42,477 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647513756] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:58:42,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:58:42,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:58:42,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880289964] [2022-10-16 16:58:42,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:58:42,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:58:42,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:58:42,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:58:42,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:58:42,479 INFO L87 Difference]: Start difference. First operand 3260 states and 4870 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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) [2022-10-16 16:58:42,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:58:42,762 INFO L93 Difference]: Finished difference Result 6334 states and 9494 transitions. [2022-10-16 16:58:42,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:58:42,763 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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) Word has length 104 [2022-10-16 16:58:42,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:58:42,780 INFO L225 Difference]: With dead ends: 6334 [2022-10-16 16:58:42,780 INFO L226 Difference]: Without dead ends: 3260 [2022-10-16 16:58:42,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:58:42,818 INFO L413 NwaCegarLoop]: 420 mSDtfsCounter, 348 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 348 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:58:42,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [348 Valid, 448 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:58:42,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3260 states. [2022-10-16 16:58:43,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3260 to 3260. [2022-10-16 16:58:43,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3260 states, 3252 states have (on average 1.4664821648216482) internal successors, (4769), 3259 states have internal predecessors, (4769), 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) [2022-10-16 16:58:43,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3260 states to 3260 states and 4769 transitions. [2022-10-16 16:58:43,063 INFO L78 Accepts]: Start accepts. Automaton has 3260 states and 4769 transitions. Word has length 104 [2022-10-16 16:58:43,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:58:43,063 INFO L495 AbstractCegarLoop]: Abstraction has 3260 states and 4769 transitions. [2022-10-16 16:58:43,064 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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) [2022-10-16 16:58:43,064 INFO L276 IsEmpty]: Start isEmpty. Operand 3260 states and 4769 transitions. [2022-10-16 16:58:43,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-16 16:58:43,068 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:58:43,068 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:58:43,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:58:43,068 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:58:43,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:58:43,069 INFO L85 PathProgramCache]: Analyzing trace with hash 411888335, now seen corresponding path program 1 times [2022-10-16 16:58:43,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:58:43,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12334124] [2022-10-16 16:58:43,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:58:43,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:58:43,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:43,121 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 16:58:43,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:58:43,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12334124] [2022-10-16 16:58:43,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12334124] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:58:43,122 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:58:43,122 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:58:43,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56603522] [2022-10-16 16:58:43,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:58:43,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:58:43,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:58:43,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:58:43,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:58:43,125 INFO L87 Difference]: Start difference. First operand 3260 states and 4769 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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) [2022-10-16 16:58:43,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:58:43,515 INFO L93 Difference]: Finished difference Result 8403 states and 12408 transitions. [2022-10-16 16:58:43,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:58:43,516 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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) Word has length 105 [2022-10-16 16:58:43,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:58:43,542 INFO L225 Difference]: With dead ends: 8403 [2022-10-16 16:58:43,542 INFO L226 Difference]: Without dead ends: 5155 [2022-10-16 16:58:43,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:58:43,550 INFO L413 NwaCegarLoop]: 677 mSDtfsCounter, 326 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 326 SdHoareTripleChecker+Valid, 1057 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:58:43,550 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [326 Valid, 1057 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:58:43,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5155 states. [2022-10-16 16:58:43,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5155 to 4665. [2022-10-16 16:58:43,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4665 states, 4657 states have (on average 1.4803521580416577) internal successors, (6894), 4664 states have internal predecessors, (6894), 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) [2022-10-16 16:58:43,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4665 states to 4665 states and 6894 transitions. [2022-10-16 16:58:43,877 INFO L78 Accepts]: Start accepts. Automaton has 4665 states and 6894 transitions. Word has length 105 [2022-10-16 16:58:43,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:58:43,877 INFO L495 AbstractCegarLoop]: Abstraction has 4665 states and 6894 transitions. [2022-10-16 16:58:43,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 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) [2022-10-16 16:58:43,878 INFO L276 IsEmpty]: Start isEmpty. Operand 4665 states and 6894 transitions. [2022-10-16 16:58:43,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-16 16:58:43,881 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:58:43,882 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:58:43,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:58:43,882 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:58:43,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:58:43,883 INFO L85 PathProgramCache]: Analyzing trace with hash -400880199, now seen corresponding path program 1 times [2022-10-16 16:58:43,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:58:43,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896864157] [2022-10-16 16:58:43,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:58:43,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:58:43,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:43,958 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 16:58:43,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:58:43,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896864157] [2022-10-16 16:58:43,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896864157] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:58:43,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:58:43,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:58:43,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231193726] [2022-10-16 16:58:43,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:58:43,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:58:43,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:58:43,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:58:43,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:58:43,962 INFO L87 Difference]: Start difference. First operand 4665 states and 6894 transitions. Second operand has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 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) [2022-10-16 16:58:44,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:58:44,817 INFO L93 Difference]: Finished difference Result 12557 states and 18430 transitions. [2022-10-16 16:58:44,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:58:44,818 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 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) Word has length 107 [2022-10-16 16:58:44,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:58:44,840 INFO L225 Difference]: With dead ends: 12557 [2022-10-16 16:58:44,841 INFO L226 Difference]: Without dead ends: 7795 [2022-10-16 16:58:44,850 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:58:44,851 INFO L413 NwaCegarLoop]: 624 mSDtfsCounter, 663 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 663 SdHoareTripleChecker+Valid, 1365 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:58:44,851 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [663 Valid, 1365 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:58:44,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7795 states. [2022-10-16 16:58:45,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7795 to 6862. [2022-10-16 16:58:45,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6862 states, 6854 states have (on average 1.4522906332068866) internal successors, (9954), 6861 states have internal predecessors, (9954), 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) [2022-10-16 16:58:45,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6862 states to 6862 states and 9954 transitions. [2022-10-16 16:58:45,337 INFO L78 Accepts]: Start accepts. Automaton has 6862 states and 9954 transitions. Word has length 107 [2022-10-16 16:58:45,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:58:45,337 INFO L495 AbstractCegarLoop]: Abstraction has 6862 states and 9954 transitions. [2022-10-16 16:58:45,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 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) [2022-10-16 16:58:45,337 INFO L276 IsEmpty]: Start isEmpty. Operand 6862 states and 9954 transitions. [2022-10-16 16:58:45,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-16 16:58:45,342 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:58:45,342 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:58:45,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:58:45,343 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:58:45,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:58:45,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1464987648, now seen corresponding path program 1 times [2022-10-16 16:58:45,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:58:45,344 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938431304] [2022-10-16 16:58:45,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:58:45,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:58:45,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:45,432 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:58:45,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:58:45,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938431304] [2022-10-16 16:58:45,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938431304] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:58:45,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:58:45,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:58:45,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343943436] [2022-10-16 16:58:45,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:58:45,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:58:45,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:58:45,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:58:45,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:58:45,435 INFO L87 Difference]: Start difference. First operand 6862 states and 9954 transitions. Second operand has 5 states, 5 states have (on average 22.6) internal successors, (113), 5 states have internal predecessors, (113), 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) [2022-10-16 16:58:47,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:58:47,313 INFO L93 Difference]: Finished difference Result 30750 states and 44189 transitions. [2022-10-16 16:58:47,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:58:47,314 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 5 states have internal predecessors, (113), 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) Word has length 113 [2022-10-16 16:58:47,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:58:47,380 INFO L225 Difference]: With dead ends: 30750 [2022-10-16 16:58:47,380 INFO L226 Difference]: Without dead ends: 24222 [2022-10-16 16:58:47,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:58:47,394 INFO L413 NwaCegarLoop]: 950 mSDtfsCounter, 1984 mSDsluCounter, 2276 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1984 SdHoareTripleChecker+Valid, 3226 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:58:47,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1984 Valid, 3226 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:58:47,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24222 states. [2022-10-16 16:58:48,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24222 to 10470. [2022-10-16 16:58:48,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10470 states, 10462 states have (on average 1.4552666794112024) internal successors, (15225), 10469 states have internal predecessors, (15225), 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) [2022-10-16 16:58:48,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10470 states to 10470 states and 15225 transitions. [2022-10-16 16:58:48,411 INFO L78 Accepts]: Start accepts. Automaton has 10470 states and 15225 transitions. Word has length 113 [2022-10-16 16:58:48,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:58:48,412 INFO L495 AbstractCegarLoop]: Abstraction has 10470 states and 15225 transitions. [2022-10-16 16:58:48,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 5 states have internal predecessors, (113), 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) [2022-10-16 16:58:48,412 INFO L276 IsEmpty]: Start isEmpty. Operand 10470 states and 15225 transitions. [2022-10-16 16:58:48,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-16 16:58:48,416 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:58:48,416 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:58:48,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:58:48,417 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:58:48,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:58:48,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1329671675, now seen corresponding path program 1 times [2022-10-16 16:58:48,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:58:48,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131022788] [2022-10-16 16:58:48,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:58:48,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:58:48,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:48,480 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-16 16:58:48,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:58:48,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131022788] [2022-10-16 16:58:48,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131022788] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:58:48,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:58:48,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:58:48,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32394818] [2022-10-16 16:58:48,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:58:48,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:58:48,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:58:48,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:58:48,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:58:48,482 INFO L87 Difference]: Start difference. First operand 10470 states and 15225 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 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) [2022-10-16 16:58:49,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:58:49,484 INFO L93 Difference]: Finished difference Result 20715 states and 30146 transitions. [2022-10-16 16:58:49,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:58:49,485 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 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) Word has length 115 [2022-10-16 16:58:49,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:58:49,508 INFO L225 Difference]: With dead ends: 20715 [2022-10-16 16:58:49,508 INFO L226 Difference]: Without dead ends: 10329 [2022-10-16 16:58:49,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:58:49,527 INFO L413 NwaCegarLoop]: 497 mSDtfsCounter, 360 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 865 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:58:49,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 865 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:58:49,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10329 states. [2022-10-16 16:58:50,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10329 to 10268. [2022-10-16 16:58:50,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10268 states, 10260 states have (on average 1.4160818713450292) internal successors, (14529), 10267 states have internal predecessors, (14529), 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) [2022-10-16 16:58:50,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10268 states to 10268 states and 14529 transitions. [2022-10-16 16:58:50,463 INFO L78 Accepts]: Start accepts. Automaton has 10268 states and 14529 transitions. Word has length 115 [2022-10-16 16:58:50,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:58:50,464 INFO L495 AbstractCegarLoop]: Abstraction has 10268 states and 14529 transitions. [2022-10-16 16:58:50,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 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) [2022-10-16 16:58:50,464 INFO L276 IsEmpty]: Start isEmpty. Operand 10268 states and 14529 transitions. [2022-10-16 16:58:50,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-16 16:58:50,467 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:58:50,467 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:58:50,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:58:50,468 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:58:50,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:58:50,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1260146153, now seen corresponding path program 1 times [2022-10-16 16:58:50,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:58:50,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009559743] [2022-10-16 16:58:50,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:58:50,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:58:50,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:50,599 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:58:50,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:58:50,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009559743] [2022-10-16 16:58:50,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009559743] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:58:50,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [609172692] [2022-10-16 16:58:50,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:58:50,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:58:50,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:58:50,604 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:58:50,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 16:58:50,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:50,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 417 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 16:58:50,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:58:50,837 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 16:58:50,838 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:58:50,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [609172692] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:58:50,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:58:50,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-10-16 16:58:50,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597820622] [2022-10-16 16:58:50,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:58:50,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:58:50,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:58:50,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:58:50,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:58:50,841 INFO L87 Difference]: Start difference. First operand 10268 states and 14529 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 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) [2022-10-16 16:58:52,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:58:52,090 INFO L93 Difference]: Finished difference Result 19235 states and 27278 transitions. [2022-10-16 16:58:52,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:58:52,091 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 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) Word has length 115 [2022-10-16 16:58:52,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:58:52,114 INFO L225 Difference]: With dead ends: 19235 [2022-10-16 16:58:52,114 INFO L226 Difference]: Without dead ends: 8910 [2022-10-16 16:58:52,130 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:58:52,131 INFO L413 NwaCegarLoop]: 421 mSDtfsCounter, 305 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 477 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:58:52,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 477 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:58:52,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8910 states. [2022-10-16 16:58:52,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8910 to 8339. [2022-10-16 16:58:52,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8339 states, 8331 states have (on average 1.4160364902172609) internal successors, (11797), 8338 states have internal predecessors, (11797), 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) [2022-10-16 16:58:52,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8339 states to 8339 states and 11797 transitions. [2022-10-16 16:58:52,913 INFO L78 Accepts]: Start accepts. Automaton has 8339 states and 11797 transitions. Word has length 115 [2022-10-16 16:58:52,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:58:52,914 INFO L495 AbstractCegarLoop]: Abstraction has 8339 states and 11797 transitions. [2022-10-16 16:58:52,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 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) [2022-10-16 16:58:52,914 INFO L276 IsEmpty]: Start isEmpty. Operand 8339 states and 11797 transitions. [2022-10-16 16:58:52,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-16 16:58:52,916 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:58:52,917 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:58:52,956 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 16:58:53,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-10-16 16:58:53,131 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:58:53,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:58:53,132 INFO L85 PathProgramCache]: Analyzing trace with hash 792253708, now seen corresponding path program 1 times [2022-10-16 16:58:53,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:58:53,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299166587] [2022-10-16 16:58:53,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:58:53,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:58:53,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:53,271 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 16:58:53,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:58:53,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299166587] [2022-10-16 16:58:53,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299166587] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:58:53,272 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:58:53,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:58:53,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270510462] [2022-10-16 16:58:53,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:58:53,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:58:53,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:58:53,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:58:53,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:58:53,274 INFO L87 Difference]: Start difference. First operand 8339 states and 11797 transitions. Second operand has 4 states, 3 states have (on average 38.0) internal successors, (114), 4 states have internal predecessors, (114), 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) [2022-10-16 16:58:55,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:58:55,209 INFO L93 Difference]: Finished difference Result 19510 states and 27603 transitions. [2022-10-16 16:58:55,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:58:55,210 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 38.0) internal successors, (114), 4 states have internal predecessors, (114), 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) Word has length 117 [2022-10-16 16:58:55,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:58:55,238 INFO L225 Difference]: With dead ends: 19510 [2022-10-16 16:58:55,239 INFO L226 Difference]: Without dead ends: 19506 [2022-10-16 16:58:55,245 INFO L412 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 [2022-10-16 16:58:55,246 INFO L413 NwaCegarLoop]: 443 mSDtfsCounter, 987 mSDsluCounter, 993 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 987 SdHoareTripleChecker+Valid, 1436 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:58:55,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [987 Valid, 1436 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:58:55,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19506 states. [2022-10-16 16:58:56,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19506 to 15225. [2022-10-16 16:58:56,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15225 states, 15217 states have (on average 1.4295853321942564) internal successors, (21754), 15224 states have internal predecessors, (21754), 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) [2022-10-16 16:58:56,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15225 states to 15225 states and 21754 transitions. [2022-10-16 16:58:56,588 INFO L78 Accepts]: Start accepts. Automaton has 15225 states and 21754 transitions. Word has length 117 [2022-10-16 16:58:56,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:58:56,589 INFO L495 AbstractCegarLoop]: Abstraction has 15225 states and 21754 transitions. [2022-10-16 16:58:56,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 38.0) internal successors, (114), 4 states have internal predecessors, (114), 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) [2022-10-16 16:58:56,589 INFO L276 IsEmpty]: Start isEmpty. Operand 15225 states and 21754 transitions. [2022-10-16 16:58:56,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-10-16 16:58:56,592 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:58:56,592 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:58:56,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:58:56,592 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:58:56,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:58:56,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1112603929, now seen corresponding path program 1 times [2022-10-16 16:58:56,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:58:56,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645464869] [2022-10-16 16:58:56,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:58:56,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:58:56,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:56,665 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-16 16:58:56,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:58:56,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645464869] [2022-10-16 16:58:56,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645464869] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:58:56,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:58:56,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:58:56,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441756202] [2022-10-16 16:58:56,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:58:56,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:58:56,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:58:56,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:58:56,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:58:56,667 INFO L87 Difference]: Start difference. First operand 15225 states and 21754 transitions. Second operand has 3 states, 2 states have (on average 57.0) internal successors, (114), 3 states have internal predecessors, (114), 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) [2022-10-16 16:58:58,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:58:58,779 INFO L93 Difference]: Finished difference Result 20743 states and 29587 transitions. [2022-10-16 16:58:58,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:58:58,780 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 57.0) internal successors, (114), 3 states have internal predecessors, (114), 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) Word has length 122 [2022-10-16 16:58:58,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:58:58,805 INFO L225 Difference]: With dead ends: 20743 [2022-10-16 16:58:58,805 INFO L226 Difference]: Without dead ends: 20742 [2022-10-16 16:58:58,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:58:58,812 INFO L413 NwaCegarLoop]: 547 mSDtfsCounter, 309 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 942 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:58:58,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 942 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:58:58,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20742 states. [2022-10-16 16:59:00,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20742 to 15224. [2022-10-16 16:59:00,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15224 states, 15217 states have (on average 1.4282052967076295) internal successors, (21733), 15223 states have internal predecessors, (21733), 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) [2022-10-16 16:59:00,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15224 states to 15224 states and 21733 transitions. [2022-10-16 16:59:00,125 INFO L78 Accepts]: Start accepts. Automaton has 15224 states and 21733 transitions. Word has length 122 [2022-10-16 16:59:00,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:00,126 INFO L495 AbstractCegarLoop]: Abstraction has 15224 states and 21733 transitions. [2022-10-16 16:59:00,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 57.0) internal successors, (114), 3 states have internal predecessors, (114), 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) [2022-10-16 16:59:00,126 INFO L276 IsEmpty]: Start isEmpty. Operand 15224 states and 21733 transitions. [2022-10-16 16:59:00,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-16 16:59:00,128 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:00,129 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:59:00,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:59:00,129 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:59:00,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:00,130 INFO L85 PathProgramCache]: Analyzing trace with hash 130983666, now seen corresponding path program 1 times [2022-10-16 16:59:00,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:00,130 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419733722] [2022-10-16 16:59:00,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:00,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:00,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:00,251 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 16:59:00,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:00,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419733722] [2022-10-16 16:59:00,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419733722] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:59:00,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1694482119] [2022-10-16 16:59:00,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:00,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:00,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:59:00,253 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:59:00,262 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 16:59:00,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:00,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 16:59:00,365 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:59:00,417 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-16 16:59:00,417 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:59:00,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1694482119] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:00,418 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:59:00,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-10-16 16:59:00,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183755612] [2022-10-16 16:59:00,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:00,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:59:00,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:00,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:59:00,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:59:00,420 INFO L87 Difference]: Start difference. First operand 15224 states and 21733 transitions. Second operand has 3 states, 2 states have (on average 58.0) internal successors, (116), 3 states have internal predecessors, (116), 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) [2022-10-16 16:59:02,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:02,631 INFO L93 Difference]: Finished difference Result 23398 states and 33656 transitions. [2022-10-16 16:59:02,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:59:02,631 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 58.0) internal successors, (116), 3 states have internal predecessors, (116), 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) Word has length 123 [2022-10-16 16:59:02,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:02,662 INFO L225 Difference]: With dead ends: 23398 [2022-10-16 16:59:02,662 INFO L226 Difference]: Without dead ends: 23397 [2022-10-16 16:59:02,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:59:02,674 INFO L413 NwaCegarLoop]: 545 mSDtfsCounter, 308 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 308 SdHoareTripleChecker+Valid, 938 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:02,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [308 Valid, 938 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:59:02,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23397 states. [2022-10-16 16:59:03,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23397 to 15223. [2022-10-16 16:59:04,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15223 states, 15217 states have (on average 1.4268252612210028) internal successors, (21712), 15222 states have internal predecessors, (21712), 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) [2022-10-16 16:59:04,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15223 states to 15223 states and 21712 transitions. [2022-10-16 16:59:04,031 INFO L78 Accepts]: Start accepts. Automaton has 15223 states and 21712 transitions. Word has length 123 [2022-10-16 16:59:04,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:04,032 INFO L495 AbstractCegarLoop]: Abstraction has 15223 states and 21712 transitions. [2022-10-16 16:59:04,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 58.0) internal successors, (116), 3 states have internal predecessors, (116), 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) [2022-10-16 16:59:04,032 INFO L276 IsEmpty]: Start isEmpty. Operand 15223 states and 21712 transitions. [2022-10-16 16:59:04,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-10-16 16:59:04,040 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:04,041 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:59:04,074 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 16:59:04,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-10-16 16:59:04,257 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:59:04,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:04,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1309346848, now seen corresponding path program 1 times [2022-10-16 16:59:04,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:04,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400713300] [2022-10-16 16:59:04,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:04,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:04,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:04,466 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 16:59:04,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:04,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400713300] [2022-10-16 16:59:04,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400713300] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:59:04,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [348852612] [2022-10-16 16:59:04,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:04,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:04,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:59:04,472 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:59:04,477 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 16:59:04,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:04,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 660 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 16:59:04,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:59:04,685 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-16 16:59:04,685 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:59:04,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [348852612] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:04,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:59:04,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-10-16 16:59:04,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204909424] [2022-10-16 16:59:04,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:04,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:59:04,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:04,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:59:04,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:59:04,687 INFO L87 Difference]: Start difference. First operand 15223 states and 21712 transitions. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 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) [2022-10-16 16:59:06,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:06,185 INFO L93 Difference]: Finished difference Result 30330 states and 43295 transitions. [2022-10-16 16:59:06,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:59:06,186 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 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) Word has length 205 [2022-10-16 16:59:06,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:06,207 INFO L225 Difference]: With dead ends: 30330 [2022-10-16 16:59:06,207 INFO L226 Difference]: Without dead ends: 15223 [2022-10-16 16:59:06,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:59:06,229 INFO L413 NwaCegarLoop]: 398 mSDtfsCounter, 310 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 310 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:06,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [310 Valid, 448 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:59:06,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15223 states. [2022-10-16 16:59:07,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15223 to 15223. [2022-10-16 16:59:07,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15223 states, 15217 states have (on average 1.3916014983242426) internal successors, (21176), 15222 states have internal predecessors, (21176), 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) [2022-10-16 16:59:07,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15223 states to 15223 states and 21176 transitions. [2022-10-16 16:59:07,593 INFO L78 Accepts]: Start accepts. Automaton has 15223 states and 21176 transitions. Word has length 205 [2022-10-16 16:59:07,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:07,593 INFO L495 AbstractCegarLoop]: Abstraction has 15223 states and 21176 transitions. [2022-10-16 16:59:07,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 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) [2022-10-16 16:59:07,594 INFO L276 IsEmpty]: Start isEmpty. Operand 15223 states and 21176 transitions. [2022-10-16 16:59:07,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-10-16 16:59:07,608 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:07,609 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:59:07,636 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-10-16 16:59:07,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:07,825 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:59:07,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:07,826 INFO L85 PathProgramCache]: Analyzing trace with hash -494231464, now seen corresponding path program 1 times [2022-10-16 16:59:07,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:07,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148048536] [2022-10-16 16:59:07,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:07,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:07,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:08,021 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 50 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 16:59:08,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:08,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148048536] [2022-10-16 16:59:08,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148048536] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:59:08,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1216161470] [2022-10-16 16:59:08,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:08,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:08,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:59:08,024 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:59:08,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 16:59:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:08,174 INFO L263 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 16:59:08,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:59:08,265 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-10-16 16:59:08,265 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:59:08,265 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1216161470] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:08,265 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:59:08,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-10-16 16:59:08,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609413304] [2022-10-16 16:59:08,266 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:08,267 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:59:08,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:08,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:59:08,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:59:08,268 INFO L87 Difference]: Start difference. First operand 15223 states and 21176 transitions. Second operand has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 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) [2022-10-16 16:59:09,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:09,966 INFO L93 Difference]: Finished difference Result 32136 states and 45022 transitions. [2022-10-16 16:59:09,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:59:09,966 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 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) Word has length 208 [2022-10-16 16:59:09,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:09,991 INFO L225 Difference]: With dead ends: 32136 [2022-10-16 16:59:09,991 INFO L226 Difference]: Without dead ends: 17029 [2022-10-16 16:59:10,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:59:10,007 INFO L413 NwaCegarLoop]: 354 mSDtfsCounter, 323 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 323 SdHoareTripleChecker+Valid, 522 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:10,007 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [323 Valid, 522 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:59:10,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17029 states. [2022-10-16 16:59:11,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17029 to 16775. [2022-10-16 16:59:11,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16775 states, 16769 states have (on average 1.3823722344802911) internal successors, (23181), 16774 states have internal predecessors, (23181), 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) [2022-10-16 16:59:11,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16775 states to 16775 states and 23181 transitions. [2022-10-16 16:59:11,518 INFO L78 Accepts]: Start accepts. Automaton has 16775 states and 23181 transitions. Word has length 208 [2022-10-16 16:59:11,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:11,519 INFO L495 AbstractCegarLoop]: Abstraction has 16775 states and 23181 transitions. [2022-10-16 16:59:11,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 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) [2022-10-16 16:59:11,519 INFO L276 IsEmpty]: Start isEmpty. Operand 16775 states and 23181 transitions. [2022-10-16 16:59:11,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-10-16 16:59:11,531 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:11,531 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:59:11,568 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 16:59:11,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:11,746 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:59:11,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:11,747 INFO L85 PathProgramCache]: Analyzing trace with hash 676946066, now seen corresponding path program 1 times [2022-10-16 16:59:11,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:11,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715547066] [2022-10-16 16:59:11,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:11,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:11,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:11,930 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 50 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 16:59:11,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:11,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715547066] [2022-10-16 16:59:11,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715547066] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:59:11,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1444891008] [2022-10-16 16:59:11,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:11,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:11,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:59:11,932 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:59:11,954 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 16:59:12,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:12,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 16:59:12,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:59:12,092 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-16 16:59:12,093 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:59:12,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1444891008] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:12,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:59:12,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-10-16 16:59:12,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118634111] [2022-10-16 16:59:12,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:12,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:59:12,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:12,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:59:12,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:59:12,095 INFO L87 Difference]: Start difference. First operand 16775 states and 23181 transitions. Second operand has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 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) [2022-10-16 16:59:13,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:13,511 INFO L93 Difference]: Finished difference Result 32576 states and 44983 transitions. [2022-10-16 16:59:13,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:59:13,512 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 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) Word has length 209 [2022-10-16 16:59:13,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:13,533 INFO L225 Difference]: With dead ends: 32576 [2022-10-16 16:59:13,534 INFO L226 Difference]: Without dead ends: 15925 [2022-10-16 16:59:13,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:59:13,551 INFO L413 NwaCegarLoop]: 375 mSDtfsCounter, 353 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 353 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:13,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [353 Valid, 398 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:59:13,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15925 states. [2022-10-16 16:59:14,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15925 to 15925. [2022-10-16 16:59:15,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15925 states, 15919 states have (on average 1.3529116150511966) internal successors, (21537), 15924 states have internal predecessors, (21537), 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) [2022-10-16 16:59:15,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15925 states to 15925 states and 21537 transitions. [2022-10-16 16:59:15,032 INFO L78 Accepts]: Start accepts. Automaton has 15925 states and 21537 transitions. Word has length 209 [2022-10-16 16:59:15,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:15,033 INFO L495 AbstractCegarLoop]: Abstraction has 15925 states and 21537 transitions. [2022-10-16 16:59:15,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 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) [2022-10-16 16:59:15,033 INFO L276 IsEmpty]: Start isEmpty. Operand 15925 states and 21537 transitions. [2022-10-16 16:59:15,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-10-16 16:59:15,040 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:15,040 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:59:15,064 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-10-16 16:59:15,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:15,250 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:59:15,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:15,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1913262434, now seen corresponding path program 1 times [2022-10-16 16:59:15,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:15,252 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616171165] [2022-10-16 16:59:15,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:15,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:15,441 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 51 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 16:59:15,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:15,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616171165] [2022-10-16 16:59:15,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616171165] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:59:15,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1683393330] [2022-10-16 16:59:15,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:15,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:15,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:59:15,444 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:59:15,451 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-16 16:59:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:15,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 16:59:15,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:59:15,659 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-16 16:59:15,659 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:59:15,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1683393330] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:15,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:59:15,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-10-16 16:59:15,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255041397] [2022-10-16 16:59:15,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:15,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:59:15,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:15,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:59:15,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:59:15,662 INFO L87 Difference]: Start difference. First operand 15925 states and 21537 transitions. Second operand has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 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) [2022-10-16 16:59:17,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:17,822 INFO L93 Difference]: Finished difference Result 36374 states and 49780 transitions. [2022-10-16 16:59:17,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:59:17,823 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 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) Word has length 217 [2022-10-16 16:59:17,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:17,852 INFO L225 Difference]: With dead ends: 36374 [2022-10-16 16:59:17,852 INFO L226 Difference]: Without dead ends: 20573 [2022-10-16 16:59:17,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:59:17,871 INFO L413 NwaCegarLoop]: 507 mSDtfsCounter, 203 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 753 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:17,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 753 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:59:17,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20573 states. [2022-10-16 16:59:19,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20573 to 20147. [2022-10-16 16:59:19,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20147 states, 20141 states have (on average 1.3220793406484286) internal successors, (26628), 20146 states have internal predecessors, (26628), 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) [2022-10-16 16:59:19,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20147 states to 20147 states and 26628 transitions. [2022-10-16 16:59:19,753 INFO L78 Accepts]: Start accepts. Automaton has 20147 states and 26628 transitions. Word has length 217 [2022-10-16 16:59:19,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:19,753 INFO L495 AbstractCegarLoop]: Abstraction has 20147 states and 26628 transitions. [2022-10-16 16:59:19,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 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) [2022-10-16 16:59:19,753 INFO L276 IsEmpty]: Start isEmpty. Operand 20147 states and 26628 transitions. [2022-10-16 16:59:19,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2022-10-16 16:59:19,763 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:19,764 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:59:19,788 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-16 16:59:19,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:19,979 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:59:19,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:19,980 INFO L85 PathProgramCache]: Analyzing trace with hash -910949315, now seen corresponding path program 1 times [2022-10-16 16:59:19,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:19,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895032157] [2022-10-16 16:59:19,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:19,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:20,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:20,393 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 72 proven. 46 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 16:59:20,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:20,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895032157] [2022-10-16 16:59:20,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895032157] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:59:20,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1246199709] [2022-10-16 16:59:20,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:20,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:20,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:59:20,395 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:59:20,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-16 16:59:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:20,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-16 16:59:20,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:59:20,736 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 75 proven. 43 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 16:59:20,736 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 16:59:20,938 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 75 proven. 43 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 16:59:20,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1246199709] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 16:59:20,939 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 16:59:20,939 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 13 [2022-10-16 16:59:20,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673761344] [2022-10-16 16:59:20,940 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 16:59:20,940 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 16:59:20,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:20,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 16:59:20,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-10-16 16:59:20,941 INFO L87 Difference]: Start difference. First operand 20147 states and 26628 transitions. Second operand has 13 states, 13 states have (on average 25.23076923076923) internal successors, (328), 13 states have internal predecessors, (328), 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) [2022-10-16 16:59:29,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:29,326 INFO L93 Difference]: Finished difference Result 85276 states and 111571 transitions. [2022-10-16 16:59:29,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-10-16 16:59:29,327 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 25.23076923076923) internal successors, (328), 13 states have internal predecessors, (328), 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) Word has length 220 [2022-10-16 16:59:29,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:29,417 INFO L225 Difference]: With dead ends: 85276 [2022-10-16 16:59:29,417 INFO L226 Difference]: Without dead ends: 65253 [2022-10-16 16:59:29,449 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 510 GetRequests, 453 SyntacticMatches, 8 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 781 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=540, Invalid=2010, Unknown=0, NotChecked=0, Total=2550 [2022-10-16 16:59:29,450 INFO L413 NwaCegarLoop]: 1671 mSDtfsCounter, 6699 mSDsluCounter, 10957 mSDsCounter, 0 mSdLazyCounter, 1056 mSolverCounterSat, 182 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6699 SdHoareTripleChecker+Valid, 12628 SdHoareTripleChecker+Invalid, 1238 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 182 IncrementalHoareTripleChecker+Valid, 1056 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:29,450 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6699 Valid, 12628 Invalid, 1238 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [182 Valid, 1056 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:59:29,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65253 states. [2022-10-16 16:59:32,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65253 to 20740. [2022-10-16 16:59:32,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20740 states, 20736 states have (on average 1.3167920524691359) internal successors, (27305), 20739 states have internal predecessors, (27305), 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) [2022-10-16 16:59:32,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20740 states to 20740 states and 27305 transitions. [2022-10-16 16:59:32,496 INFO L78 Accepts]: Start accepts. Automaton has 20740 states and 27305 transitions. Word has length 220 [2022-10-16 16:59:32,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:32,497 INFO L495 AbstractCegarLoop]: Abstraction has 20740 states and 27305 transitions. [2022-10-16 16:59:32,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 25.23076923076923) internal successors, (328), 13 states have internal predecessors, (328), 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) [2022-10-16 16:59:32,497 INFO L276 IsEmpty]: Start isEmpty. Operand 20740 states and 27305 transitions. [2022-10-16 16:59:32,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-10-16 16:59:32,504 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:32,505 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:59:32,528 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-10-16 16:59:32,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:32,706 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:59:32,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:32,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1277198436, now seen corresponding path program 1 times [2022-10-16 16:59:32,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:32,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691985813] [2022-10-16 16:59:32,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:32,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:32,939 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 10 proven. 104 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 16:59:32,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:32,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691985813] [2022-10-16 16:59:32,939 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691985813] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:59:32,939 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2124451848] [2022-10-16 16:59:32,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:32,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:32,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:59:32,941 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:59:32,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-16 16:59:33,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:33,071 INFO L263 TraceCheckSpWp]: Trace formula consists of 679 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-16 16:59:33,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:59:33,294 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 10 proven. 104 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 16:59:33,294 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 16:59:33,577 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 10 proven. 104 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 16:59:33,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2124451848] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 16:59:33,577 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 16:59:33,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-10-16 16:59:33,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653632163] [2022-10-16 16:59:33,577 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 16:59:33,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 16:59:33,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:33,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 16:59:33,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:59:33,580 INFO L87 Difference]: Start difference. First operand 20740 states and 27305 transitions. Second operand has 12 states, 11 states have (on average 46.27272727272727) internal successors, (509), 12 states have internal predecessors, (509), 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) [2022-10-16 16:59:37,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:37,961 INFO L93 Difference]: Finished difference Result 53299 states and 69845 transitions. [2022-10-16 16:59:37,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 16:59:37,961 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 46.27272727272727) internal successors, (509), 12 states have internal predecessors, (509), 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) Word has length 221 [2022-10-16 16:59:37,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:38,008 INFO L225 Difference]: With dead ends: 53299 [2022-10-16 16:59:38,008 INFO L226 Difference]: Without dead ends: 32683 [2022-10-16 16:59:38,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 441 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=146, Invalid=274, Unknown=0, NotChecked=0, Total=420 [2022-10-16 16:59:38,026 INFO L413 NwaCegarLoop]: 423 mSDtfsCounter, 3806 mSDsluCounter, 1920 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 157 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3806 SdHoareTripleChecker+Valid, 2343 SdHoareTripleChecker+Invalid, 292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 157 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:38,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3806 Valid, 2343 Invalid, 292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [157 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:59:38,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32683 states. [2022-10-16 16:59:40,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32683 to 18346. [2022-10-16 16:59:40,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18346 states, 18344 states have (on average 1.309801569995639) internal successors, (24027), 18345 states have internal predecessors, (24027), 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) [2022-10-16 16:59:40,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18346 states to 18346 states and 24027 transitions. [2022-10-16 16:59:40,440 INFO L78 Accepts]: Start accepts. Automaton has 18346 states and 24027 transitions. Word has length 221 [2022-10-16 16:59:40,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:40,441 INFO L495 AbstractCegarLoop]: Abstraction has 18346 states and 24027 transitions. [2022-10-16 16:59:40,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 46.27272727272727) internal successors, (509), 12 states have internal predecessors, (509), 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) [2022-10-16 16:59:40,441 INFO L276 IsEmpty]: Start isEmpty. Operand 18346 states and 24027 transitions. [2022-10-16 16:59:40,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2022-10-16 16:59:40,450 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:40,450 INFO L195 NwaCegarLoop]: trace histogram [6, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:59:40,475 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-10-16 16:59:40,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-10-16 16:59:40,656 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:59:40,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:40,657 INFO L85 PathProgramCache]: Analyzing trace with hash -1600564010, now seen corresponding path program 1 times [2022-10-16 16:59:40,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:40,658 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416647652] [2022-10-16 16:59:40,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:40,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:40,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:40,773 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2022-10-16 16:59:40,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:40,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416647652] [2022-10-16 16:59:40,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416647652] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:40,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:59:40,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:59:40,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806819481] [2022-10-16 16:59:40,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:40,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:59:40,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:40,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:59:40,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:59:40,776 INFO L87 Difference]: Start difference. First operand 18346 states and 24027 transitions. Second operand has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 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) [2022-10-16 16:59:41,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:41,974 INFO L93 Difference]: Finished difference Result 22198 states and 28812 transitions. [2022-10-16 16:59:41,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:59:41,975 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 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) Word has length 325 [2022-10-16 16:59:41,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:41,979 INFO L225 Difference]: With dead ends: 22198 [2022-10-16 16:59:41,980 INFO L226 Difference]: Without dead ends: 3856 [2022-10-16 16:59:41,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:59:41,995 INFO L413 NwaCegarLoop]: 353 mSDtfsCounter, 168 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 506 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:41,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 506 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:59:41,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3856 states. [2022-10-16 16:59:42,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3856 to 3288. [2022-10-16 16:59:42,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3288 states, 3286 states have (on average 1.2078514911746805) internal successors, (3969), 3287 states have internal predecessors, (3969), 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) [2022-10-16 16:59:42,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3288 states to 3288 states and 3969 transitions. [2022-10-16 16:59:42,442 INFO L78 Accepts]: Start accepts. Automaton has 3288 states and 3969 transitions. Word has length 325 [2022-10-16 16:59:42,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:42,442 INFO L495 AbstractCegarLoop]: Abstraction has 3288 states and 3969 transitions. [2022-10-16 16:59:42,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 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) [2022-10-16 16:59:42,442 INFO L276 IsEmpty]: Start isEmpty. Operand 3288 states and 3969 transitions. [2022-10-16 16:59:42,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2022-10-16 16:59:42,446 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:42,446 INFO L195 NwaCegarLoop]: trace histogram [6, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:59:42,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 16:59:42,447 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:59:42,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:42,447 INFO L85 PathProgramCache]: Analyzing trace with hash 847285432, now seen corresponding path program 1 times [2022-10-16 16:59:42,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:42,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089557112] [2022-10-16 16:59:42,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:42,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:42,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:42,640 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2022-10-16 16:59:42,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:42,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089557112] [2022-10-16 16:59:42,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089557112] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:42,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:59:42,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:59:42,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141675868] [2022-10-16 16:59:42,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:42,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:59:42,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:42,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:59:42,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:59:42,643 INFO L87 Difference]: Start difference. First operand 3288 states and 3969 transitions. Second operand has 5 states, 5 states have (on average 46.2) internal successors, (231), 5 states have internal predecessors, (231), 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) [2022-10-16 16:59:43,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:43,629 INFO L93 Difference]: Finished difference Result 6653 states and 8062 transitions. [2022-10-16 16:59:43,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:59:43,630 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 46.2) internal successors, (231), 5 states have internal predecessors, (231), 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) Word has length 329 [2022-10-16 16:59:43,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:43,635 INFO L225 Difference]: With dead ends: 6653 [2022-10-16 16:59:43,635 INFO L226 Difference]: Without dead ends: 5169 [2022-10-16 16:59:43,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:59:43,638 INFO L413 NwaCegarLoop]: 438 mSDtfsCounter, 641 mSDsluCounter, 859 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 641 SdHoareTripleChecker+Valid, 1297 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:43,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [641 Valid, 1297 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:59:43,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5169 states. [2022-10-16 16:59:44,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5169 to 3144. [2022-10-16 16:59:44,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3144 states, 3142 states have (on average 1.1791852323360916) internal successors, (3705), 3143 states have internal predecessors, (3705), 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) [2022-10-16 16:59:44,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3144 states to 3144 states and 3705 transitions. [2022-10-16 16:59:44,105 INFO L78 Accepts]: Start accepts. Automaton has 3144 states and 3705 transitions. Word has length 329 [2022-10-16 16:59:44,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:44,106 INFO L495 AbstractCegarLoop]: Abstraction has 3144 states and 3705 transitions. [2022-10-16 16:59:44,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 46.2) internal successors, (231), 5 states have internal predecessors, (231), 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) [2022-10-16 16:59:44,106 INFO L276 IsEmpty]: Start isEmpty. Operand 3144 states and 3705 transitions. [2022-10-16 16:59:44,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2022-10-16 16:59:44,109 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:44,110 INFO L195 NwaCegarLoop]: trace histogram [6, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:59:44,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 16:59:44,110 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:59:44,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:44,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1674489552, now seen corresponding path program 1 times [2022-10-16 16:59:44,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:44,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6108821] [2022-10-16 16:59:44,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:44,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:44,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:44,354 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-10-16 16:59:44,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:44,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6108821] [2022-10-16 16:59:44,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [6108821] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:44,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:59:44,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:59:44,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122376007] [2022-10-16 16:59:44,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:44,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:59:44,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:44,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:59:44,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:59:44,358 INFO L87 Difference]: Start difference. First operand 3144 states and 3705 transitions. Second operand has 5 states, 4 states have (on average 57.75) internal successors, (231), 5 states have internal predecessors, (231), 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) [2022-10-16 16:59:45,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:45,141 INFO L93 Difference]: Finished difference Result 4245 states and 5010 transitions. [2022-10-16 16:59:45,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:59:45,142 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 57.75) internal successors, (231), 5 states have internal predecessors, (231), 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) Word has length 331 [2022-10-16 16:59:45,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:45,146 INFO L225 Difference]: With dead ends: 4245 [2022-10-16 16:59:45,146 INFO L226 Difference]: Without dead ends: 4243 [2022-10-16 16:59:45,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:59:45,148 INFO L413 NwaCegarLoop]: 377 mSDtfsCounter, 688 mSDsluCounter, 790 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 688 SdHoareTripleChecker+Valid, 1167 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:45,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [688 Valid, 1167 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:59:45,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4243 states. [2022-10-16 16:59:45,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4243 to 3207. [2022-10-16 16:59:45,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3207 states, 3205 states have (on average 1.1750390015600625) internal successors, (3766), 3206 states have internal predecessors, (3766), 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) [2022-10-16 16:59:45,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3207 states to 3207 states and 3766 transitions. [2022-10-16 16:59:45,642 INFO L78 Accepts]: Start accepts. Automaton has 3207 states and 3766 transitions. Word has length 331 [2022-10-16 16:59:45,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:45,643 INFO L495 AbstractCegarLoop]: Abstraction has 3207 states and 3766 transitions. [2022-10-16 16:59:45,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 57.75) internal successors, (231), 5 states have internal predecessors, (231), 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) [2022-10-16 16:59:45,643 INFO L276 IsEmpty]: Start isEmpty. Operand 3207 states and 3766 transitions. [2022-10-16 16:59:45,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2022-10-16 16:59:45,648 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:45,649 INFO L195 NwaCegarLoop]: trace histogram [8, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:59:45,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 16:59:45,649 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:59:45,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:45,650 INFO L85 PathProgramCache]: Analyzing trace with hash 646929220, now seen corresponding path program 1 times [2022-10-16 16:59:45,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:45,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664971958] [2022-10-16 16:59:45,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:45,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:45,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:46,142 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 204 proven. 109 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-10-16 16:59:46,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:46,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664971958] [2022-10-16 16:59:46,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664971958] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:59:46,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1123065537] [2022-10-16 16:59:46,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:46,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:46,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:59:46,146 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:59:46,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-10-16 16:59:46,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:46,343 INFO L263 TraceCheckSpWp]: Trace formula consists of 1223 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-16 16:59:46,349 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:59:46,596 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 204 proven. 109 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-10-16 16:59:46,596 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 16:59:46,841 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 204 proven. 109 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-10-16 16:59:46,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1123065537] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 16:59:46,842 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 16:59:46,843 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 11 [2022-10-16 16:59:46,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968508518] [2022-10-16 16:59:46,843 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 16:59:46,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-16 16:59:46,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:46,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-16 16:59:46,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-10-16 16:59:46,846 INFO L87 Difference]: Start difference. First operand 3207 states and 3766 transitions. Second operand has 11 states, 11 states have (on average 49.0) internal successors, (539), 11 states have internal predecessors, (539), 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) [2022-10-16 16:59:48,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:48,387 INFO L93 Difference]: Finished difference Result 9347 states and 10992 transitions. [2022-10-16 16:59:48,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 16:59:48,387 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 49.0) internal successors, (539), 11 states have internal predecessors, (539), 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) Word has length 441 [2022-10-16 16:59:48,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:48,397 INFO L225 Difference]: With dead ends: 9347 [2022-10-16 16:59:48,397 INFO L226 Difference]: Without dead ends: 7703 [2022-10-16 16:59:48,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 898 GetRequests, 878 SyntacticMatches, 5 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2022-10-16 16:59:48,401 INFO L413 NwaCegarLoop]: 319 mSDtfsCounter, 3216 mSDsluCounter, 1612 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3216 SdHoareTripleChecker+Valid, 1931 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:48,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3216 Valid, 1931 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:59:48,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7703 states. [2022-10-16 16:59:49,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7703 to 6366. [2022-10-16 16:59:49,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6366 states, 6364 states have (on average 1.1761470773098681) internal successors, (7485), 6365 states have internal predecessors, (7485), 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) [2022-10-16 16:59:49,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6366 states to 6366 states and 7485 transitions. [2022-10-16 16:59:49,451 INFO L78 Accepts]: Start accepts. Automaton has 6366 states and 7485 transitions. Word has length 441 [2022-10-16 16:59:49,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:49,452 INFO L495 AbstractCegarLoop]: Abstraction has 6366 states and 7485 transitions. [2022-10-16 16:59:49,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 49.0) internal successors, (539), 11 states have internal predecessors, (539), 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) [2022-10-16 16:59:49,452 INFO L276 IsEmpty]: Start isEmpty. Operand 6366 states and 7485 transitions. [2022-10-16 16:59:49,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 645 [2022-10-16 16:59:49,465 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:49,466 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:59:49,505 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-10-16 16:59:49,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-10-16 16:59:49,680 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:59:49,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:49,682 INFO L85 PathProgramCache]: Analyzing trace with hash 2081060574, now seen corresponding path program 1 times [2022-10-16 16:59:49,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:49,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452060458] [2022-10-16 16:59:49,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:49,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:49,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:49,948 INFO L134 CoverageAnalysis]: Checked inductivity of 1262 backedges. 304 proven. 0 refuted. 0 times theorem prover too weak. 958 trivial. 0 not checked. [2022-10-16 16:59:49,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:49,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452060458] [2022-10-16 16:59:49,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452060458] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:49,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:59:49,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:59:49,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039073247] [2022-10-16 16:59:49,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:49,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:59:49,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:49,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:59:49,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:59:49,952 INFO L87 Difference]: Start difference. First operand 6366 states and 7485 transitions. Second operand has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 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) [2022-10-16 16:59:50,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:50,286 INFO L93 Difference]: Finished difference Result 7799 states and 9048 transitions. [2022-10-16 16:59:50,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:59:50,286 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 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) Word has length 644 [2022-10-16 16:59:50,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:50,288 INFO L225 Difference]: With dead ends: 7799 [2022-10-16 16:59:50,288 INFO L226 Difference]: Without dead ends: 1645 [2022-10-16 16:59:50,292 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:59:50,293 INFO L413 NwaCegarLoop]: 247 mSDtfsCounter, 171 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 171 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:50,293 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [171 Valid, 308 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:59:50,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1645 states. [2022-10-16 16:59:50,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1645 to 1312. [2022-10-16 16:59:50,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1312 states, 1310 states have (on average 1.082442748091603) internal successors, (1418), 1311 states have internal predecessors, (1418), 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) [2022-10-16 16:59:50,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 1312 states and 1418 transitions. [2022-10-16 16:59:50,505 INFO L78 Accepts]: Start accepts. Automaton has 1312 states and 1418 transitions. Word has length 644 [2022-10-16 16:59:50,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:50,505 INFO L495 AbstractCegarLoop]: Abstraction has 1312 states and 1418 transitions. [2022-10-16 16:59:50,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 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) [2022-10-16 16:59:50,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 1418 transitions. [2022-10-16 16:59:50,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 650 [2022-10-16 16:59:50,510 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:50,510 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:59:50,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 16:59:50,510 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:59:50,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:50,511 INFO L85 PathProgramCache]: Analyzing trace with hash -1033018892, now seen corresponding path program 2 times [2022-10-16 16:59:50,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:50,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337741137] [2022-10-16 16:59:50,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:50,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:50,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:51,476 INFO L134 CoverageAnalysis]: Checked inductivity of 1203 backedges. 661 proven. 201 refuted. 0 times theorem prover too weak. 341 trivial. 0 not checked. [2022-10-16 16:59:51,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:51,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337741137] [2022-10-16 16:59:51,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337741137] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:59:51,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1510786232] [2022-10-16 16:59:51,477 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 16:59:51,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:51,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:59:51,478 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:59:51,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-10-16 16:59:51,750 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 16:59:51,750 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 16:59:51,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 1755 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-16 16:59:51,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:59:52,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1203 backedges. 769 proven. 93 refuted. 0 times theorem prover too weak. 341 trivial. 0 not checked. [2022-10-16 16:59:52,083 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 16:59:52,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1203 backedges. 769 proven. 93 refuted. 0 times theorem prover too weak. 341 trivial. 0 not checked. [2022-10-16 16:59:52,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1510786232] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 16:59:52,454 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 16:59:52,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 15 [2022-10-16 16:59:52,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486163340] [2022-10-16 16:59:52,454 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 16:59:52,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-10-16 16:59:52,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:52,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-10-16 16:59:52,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2022-10-16 16:59:52,458 INFO L87 Difference]: Start difference. First operand 1312 states and 1418 transitions. Second operand has 15 states, 15 states have (on average 37.06666666666667) internal successors, (556), 15 states have internal predecessors, (556), 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) [2022-10-16 16:59:53,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:53,706 INFO L93 Difference]: Finished difference Result 2830 states and 3050 transitions. [2022-10-16 16:59:53,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-10-16 16:59:53,706 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 37.06666666666667) internal successors, (556), 15 states have internal predecessors, (556), 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) Word has length 649 [2022-10-16 16:59:53,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:53,708 INFO L225 Difference]: With dead ends: 2830 [2022-10-16 16:59:53,708 INFO L226 Difference]: Without dead ends: 2160 [2022-10-16 16:59:53,710 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1358 GetRequests, 1304 SyntacticMatches, 11 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 454 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=424, Invalid=1556, Unknown=0, NotChecked=0, Total=1980 [2022-10-16 16:59:53,710 INFO L413 NwaCegarLoop]: 914 mSDtfsCounter, 2210 mSDsluCounter, 5596 mSDsCounter, 0 mSdLazyCounter, 608 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2210 SdHoareTripleChecker+Valid, 6510 SdHoareTripleChecker+Invalid, 668 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:53,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2210 Valid, 6510 Invalid, 668 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 608 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:59:53,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2160 states. [2022-10-16 16:59:53,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2160 to 1312. [2022-10-16 16:59:53,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1312 states, 1310 states have (on average 1.0793893129770993) internal successors, (1414), 1311 states have internal predecessors, (1414), 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) [2022-10-16 16:59:53,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 1312 states and 1414 transitions. [2022-10-16 16:59:53,936 INFO L78 Accepts]: Start accepts. Automaton has 1312 states and 1414 transitions. Word has length 649 [2022-10-16 16:59:53,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:53,936 INFO L495 AbstractCegarLoop]: Abstraction has 1312 states and 1414 transitions. [2022-10-16 16:59:53,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 37.06666666666667) internal successors, (556), 15 states have internal predecessors, (556), 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) [2022-10-16 16:59:53,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 1414 transitions. [2022-10-16 16:59:53,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 652 [2022-10-16 16:59:53,941 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:53,941 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:59:53,967 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-10-16 16:59:54,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:54,142 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:59:54,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:54,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1138990596, now seen corresponding path program 1 times [2022-10-16 16:59:54,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:54,144 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426891221] [2022-10-16 16:59:54,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:54,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:54,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:55,220 INFO L134 CoverageAnalysis]: Checked inductivity of 1204 backedges. 663 proven. 357 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2022-10-16 16:59:55,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:55,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426891221] [2022-10-16 16:59:55,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426891221] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:59:55,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [626223332] [2022-10-16 16:59:55,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:55,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:55,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:59:55,223 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:59:55,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-10-16 16:59:55,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:55,476 INFO L263 TraceCheckSpWp]: Trace formula consists of 1757 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-16 16:59:55,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:59:55,961 INFO L134 CoverageAnalysis]: Checked inductivity of 1204 backedges. 876 proven. 144 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2022-10-16 16:59:55,962 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 16:59:56,491 INFO L134 CoverageAnalysis]: Checked inductivity of 1204 backedges. 876 proven. 144 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2022-10-16 16:59:56,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [626223332] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 16:59:56,492 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 16:59:56,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 17 [2022-10-16 16:59:56,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663034345] [2022-10-16 16:59:56,493 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 16:59:56,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-10-16 16:59:56,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:56,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-10-16 16:59:56,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2022-10-16 16:59:56,495 INFO L87 Difference]: Start difference. First operand 1312 states and 1414 transitions. Second operand has 17 states, 17 states have (on average 37.1764705882353) internal successors, (632), 17 states have internal predecessors, (632), 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) [2022-10-16 16:59:58,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:58,004 INFO L93 Difference]: Finished difference Result 3044 states and 3273 transitions. [2022-10-16 16:59:58,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-10-16 16:59:58,005 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 37.1764705882353) internal successors, (632), 17 states have internal predecessors, (632), 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) Word has length 651 [2022-10-16 16:59:58,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:58,007 INFO L225 Difference]: With dead ends: 3044 [2022-10-16 16:59:58,007 INFO L226 Difference]: Without dead ends: 2472 [2022-10-16 16:59:58,009 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1373 GetRequests, 1309 SyntacticMatches, 14 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 641 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=582, Invalid=2070, Unknown=0, NotChecked=0, Total=2652 [2022-10-16 16:59:58,009 INFO L413 NwaCegarLoop]: 1233 mSDtfsCounter, 2499 mSDsluCounter, 8515 mSDsCounter, 0 mSdLazyCounter, 949 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2499 SdHoareTripleChecker+Valid, 9748 SdHoareTripleChecker+Invalid, 1015 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 949 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:58,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2499 Valid, 9748 Invalid, 1015 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 949 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 16:59:58,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2472 states. [2022-10-16 16:59:58,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2472 to 1312. [2022-10-16 16:59:58,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1312 states, 1310 states have (on average 1.0778625954198473) internal successors, (1412), 1311 states have internal predecessors, (1412), 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) [2022-10-16 16:59:58,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 1312 states and 1412 transitions. [2022-10-16 16:59:58,252 INFO L78 Accepts]: Start accepts. Automaton has 1312 states and 1412 transitions. Word has length 651 [2022-10-16 16:59:58,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:58,252 INFO L495 AbstractCegarLoop]: Abstraction has 1312 states and 1412 transitions. [2022-10-16 16:59:58,252 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 37.1764705882353) internal successors, (632), 17 states have internal predecessors, (632), 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) [2022-10-16 16:59:58,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 1412 transitions. [2022-10-16 16:59:58,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 653 [2022-10-16 16:59:58,257 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:58,258 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:59:58,282 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-10-16 16:59:58,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2022-10-16 16:59:58,462 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:59:58,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:58,463 INFO L85 PathProgramCache]: Analyzing trace with hash -17411257, now seen corresponding path program 1 times [2022-10-16 16:59:58,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:58,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504755764] [2022-10-16 16:59:58,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:58,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:58,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:59,145 INFO L134 CoverageAnalysis]: Checked inductivity of 1204 backedges. 455 proven. 48 refuted. 0 times theorem prover too weak. 701 trivial. 0 not checked. [2022-10-16 16:59:59,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:59,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504755764] [2022-10-16 16:59:59,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504755764] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:59:59,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [537960263] [2022-10-16 16:59:59,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:59,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:59,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:59:59,147 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:59:59,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-10-16 16:59:59,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:59,430 INFO L263 TraceCheckSpWp]: Trace formula consists of 1758 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-16 16:59:59,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:59:59,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1204 backedges. 458 proven. 45 refuted. 0 times theorem prover too weak. 701 trivial. 0 not checked. [2022-10-16 16:59:59,634 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 16:59:59,832 INFO L134 CoverageAnalysis]: Checked inductivity of 1204 backedges. 458 proven. 45 refuted. 0 times theorem prover too weak. 701 trivial. 0 not checked. [2022-10-16 16:59:59,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [537960263] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 16:59:59,833 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 16:59:59,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 13 [2022-10-16 16:59:59,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876165792] [2022-10-16 16:59:59,835 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 16:59:59,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 16:59:59,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:59,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 16:59:59,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-10-16 16:59:59,837 INFO L87 Difference]: Start difference. First operand 1312 states and 1412 transitions. Second operand has 13 states, 13 states have (on average 36.0) internal successors, (468), 13 states have internal predecessors, (468), 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) [2022-10-16 17:00:00,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:00:00,931 INFO L93 Difference]: Finished difference Result 2315 states and 2502 transitions. [2022-10-16 17:00:00,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-10-16 17:00:00,932 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 36.0) internal successors, (468), 13 states have internal predecessors, (468), 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) Word has length 652 [2022-10-16 17:00:00,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:00:00,935 INFO L225 Difference]: With dead ends: 2315 [2022-10-16 17:00:00,935 INFO L226 Difference]: Without dead ends: 2120 [2022-10-16 17:00:00,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1359 GetRequests, 1313 SyntacticMatches, 8 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 357 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=355, Invalid=1205, Unknown=0, NotChecked=0, Total=1560 [2022-10-16 17:00:00,938 INFO L413 NwaCegarLoop]: 638 mSDtfsCounter, 1796 mSDsluCounter, 3676 mSDsCounter, 0 mSdLazyCounter, 425 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1796 SdHoareTripleChecker+Valid, 4314 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 17:00:00,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1796 Valid, 4314 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 425 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 17:00:00,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2120 states. [2022-10-16 17:00:01,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2120 to 1312. [2022-10-16 17:00:01,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1312 states, 1310 states have (on average 1.0763358778625953) internal successors, (1410), 1311 states have internal predecessors, (1410), 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) [2022-10-16 17:00:01,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 1312 states and 1410 transitions. [2022-10-16 17:00:01,254 INFO L78 Accepts]: Start accepts. Automaton has 1312 states and 1410 transitions. Word has length 652 [2022-10-16 17:00:01,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:00:01,254 INFO L495 AbstractCegarLoop]: Abstraction has 1312 states and 1410 transitions. [2022-10-16 17:00:01,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 36.0) internal successors, (468), 13 states have internal predecessors, (468), 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) [2022-10-16 17:00:01,255 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 1410 transitions. [2022-10-16 17:00:01,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 654 [2022-10-16 17:00:01,260 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:00:01,261 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:00:01,288 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-10-16 17:00:01,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2022-10-16 17:00:01,477 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:00:01,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:00:01,478 INFO L85 PathProgramCache]: Analyzing trace with hash 558642650, now seen corresponding path program 1 times [2022-10-16 17:00:01,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:00:01,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311799804] [2022-10-16 17:00:01,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:00:01,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:00:01,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,041 INFO L134 CoverageAnalysis]: Checked inductivity of 1204 backedges. 386 proven. 113 refuted. 0 times theorem prover too weak. 705 trivial. 0 not checked. [2022-10-16 17:00:02,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:00:02,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311799804] [2022-10-16 17:00:02,042 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311799804] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:00:02,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1774476025] [2022-10-16 17:00:02,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:00:02,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:00:02,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:00:02,044 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:00:02,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-10-16 17:00:02,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 1759 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-16 17:00:02,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:00:02,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1204 backedges. 386 proven. 113 refuted. 0 times theorem prover too weak. 705 trivial. 0 not checked. [2022-10-16 17:00:02,572 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:00:02,866 INFO L134 CoverageAnalysis]: Checked inductivity of 1204 backedges. 386 proven. 113 refuted. 0 times theorem prover too weak. 705 trivial. 0 not checked. [2022-10-16 17:00:02,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1774476025] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:00:02,866 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:00:02,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2022-10-16 17:00:02,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261843742] [2022-10-16 17:00:02,867 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:00:02,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 17:00:02,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:00:02,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 17:00:02,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2022-10-16 17:00:02,870 INFO L87 Difference]: Start difference. First operand 1312 states and 1410 transitions. Second operand has 14 states, 13 states have (on average 51.30769230769231) internal successors, (667), 14 states have internal predecessors, (667), 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) [2022-10-16 17:00:03,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:00:03,657 INFO L93 Difference]: Finished difference Result 1786 states and 1924 transitions. [2022-10-16 17:00:03,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-16 17:00:03,657 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 51.30769230769231) internal successors, (667), 14 states have internal predecessors, (667), 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) Word has length 653 [2022-10-16 17:00:03,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:00:03,660 INFO L225 Difference]: With dead ends: 1786 [2022-10-16 17:00:03,661 INFO L226 Difference]: Without dead ends: 1785 [2022-10-16 17:00:03,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1341 GetRequests, 1309 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=315, Invalid=741, Unknown=0, NotChecked=0, Total=1056 [2022-10-16 17:00:03,662 INFO L413 NwaCegarLoop]: 319 mSDtfsCounter, 2651 mSDsluCounter, 1683 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2651 SdHoareTripleChecker+Valid, 2002 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 17:00:03,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2651 Valid, 2002 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 17:00:03,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1785 states. [2022-10-16 17:00:03,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1785 to 1311. [2022-10-16 17:00:03,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1311 states, 1310 states have (on average 1.0755725190839696) internal successors, (1409), 1310 states have internal predecessors, (1409), 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) [2022-10-16 17:00:03,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 1311 states and 1409 transitions. [2022-10-16 17:00:03,931 INFO L78 Accepts]: Start accepts. Automaton has 1311 states and 1409 transitions. Word has length 653 [2022-10-16 17:00:03,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:00:03,931 INFO L495 AbstractCegarLoop]: Abstraction has 1311 states and 1409 transitions. [2022-10-16 17:00:03,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 51.30769230769231) internal successors, (667), 14 states have internal predecessors, (667), 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) [2022-10-16 17:00:03,932 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 1409 transitions. [2022-10-16 17:00:03,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 655 [2022-10-16 17:00:03,935 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:00:03,936 INFO L195 NwaCegarLoop]: trace histogram [12, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:00:03,962 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-10-16 17:00:04,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2022-10-16 17:00:04,144 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:00:04,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:00:04,145 INFO L85 PathProgramCache]: Analyzing trace with hash 138053966, now seen corresponding path program 1 times [2022-10-16 17:00:04,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:00:04,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639274197] [2022-10-16 17:00:04,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:00:04,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:00:04,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:04,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1205 backedges. 386 proven. 114 refuted. 0 times theorem prover too weak. 705 trivial. 0 not checked. [2022-10-16 17:00:04,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:00:04,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639274197] [2022-10-16 17:00:04,753 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639274197] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:00:04,753 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1219439279] [2022-10-16 17:00:04,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:00:04,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:00:04,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:00:04,754 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:00:04,755 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-10-16 17:00:05,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:05,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 1760 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-16 17:00:05,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:00:05,354 INFO L134 CoverageAnalysis]: Checked inductivity of 1205 backedges. 389 proven. 111 refuted. 0 times theorem prover too weak. 705 trivial. 0 not checked. [2022-10-16 17:00:05,355 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:00:05,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1205 backedges. 389 proven. 111 refuted. 0 times theorem prover too weak. 705 trivial. 0 not checked. [2022-10-16 17:00:05,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1219439279] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:00:05,691 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:00:05,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2022-10-16 17:00:05,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761019761] [2022-10-16 17:00:05,692 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:00:05,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 17:00:05,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:00:05,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 17:00:05,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2022-10-16 17:00:05,695 INFO L87 Difference]: Start difference. First operand 1311 states and 1409 transitions. Second operand has 14 states, 13 states have (on average 51.46153846153846) internal successors, (669), 14 states have internal predecessors, (669), 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) [2022-10-16 17:00:06,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:00:06,421 INFO L93 Difference]: Finished difference Result 1843 states and 1987 transitions. [2022-10-16 17:00:06,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-16 17:00:06,421 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 51.46153846153846) internal successors, (669), 14 states have internal predecessors, (669), 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) Word has length 654 [2022-10-16 17:00:06,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:00:06,422 INFO L225 Difference]: With dead ends: 1843 [2022-10-16 17:00:06,422 INFO L226 Difference]: Without dead ends: 0 [2022-10-16 17:00:06,424 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1336 GetRequests, 1309 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=212, Invalid=544, Unknown=0, NotChecked=0, Total=756 [2022-10-16 17:00:06,425 INFO L413 NwaCegarLoop]: 539 mSDtfsCounter, 2322 mSDsluCounter, 1859 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2322 SdHoareTripleChecker+Valid, 2398 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 17:00:06,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2322 Valid, 2398 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 17:00:06,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-16 17:00:06,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-16 17:00:06,426 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) [2022-10-16 17:00:06,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-16 17:00:06,426 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 654 [2022-10-16 17:00:06,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:00:06,426 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-16 17:00:06,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 51.46153846153846) internal successors, (669), 14 states have internal predecessors, (669), 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) [2022-10-16 17:00:06,427 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-16 17:00:06,427 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-16 17:00:06,429 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-10-16 17:00:06,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-10-16 17:00:06,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-10-16 17:00:06,430 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-10-16 17:00:06,431 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-10-16 17:00:06,431 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-10-16 17:00:06,431 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-10-16 17:00:06,431 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-10-16 17:00:06,469 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-10-16 17:00:06,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:00:06,649 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.