/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/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 22:19:58,106 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 22:19:58,109 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 22:19:58,154 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 22:19:58,155 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 22:19:58,159 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 22:19:58,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 22:19:58,181 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 22:19:58,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 22:19:58,190 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 22:19:58,192 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 22:19:58,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 22:19:58,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 22:19:58,198 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 22:19:58,200 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 22:19:58,205 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 22:19:58,207 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 22:19:58,209 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 22:19:58,212 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 22:19:58,223 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 22:19:58,224 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 22:19:58,226 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 22:19:58,228 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 22:19:58,230 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 22:19:58,240 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 22:19:58,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 22:19:58,254 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 22:19:58,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 22:19:58,256 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 [2022-10-15 22:19:58,310 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 22:19:58,310 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 22:19:58,311 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 22:19:58,311 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 22:19:58,314 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 22:19:58,314 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 22:19:58,317 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 22:19:58,318 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 22:19:58,318 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 22:19:58,318 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 22:19:58,320 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 22:19:58,320 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 22:19:58,320 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 22:19:58,321 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 22:19:58,321 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 22:19:58,321 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 22:19:58,321 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 22:19:58,322 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 22:19:58,322 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 22:19:58,322 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 22:19:58,322 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 22:19:58,322 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 22:19:58,323 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 22:19:58,323 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 22:19:58,323 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 22:19:58,324 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 22:19:58,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:19:58,324 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 22:19:58,325 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 22:19:58,325 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 22:19:58,325 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 22:19:58,325 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 22:19:58,326 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 22:19:58,326 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 22:19:58,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 22:19:58,757 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 22:19:58,760 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 22:19:58,762 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 22:19:58,763 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 22:19:58,764 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+cfa-reducer.c [2022-10-15 22:19:58,837 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cb608a2e/e2fe43c910534ba8a6796d2e2f90ea8a/FLAG871f0811c [2022-10-15 22:19:59,478 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 22:19:59,481 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+cfa-reducer.c [2022-10-15 22:19:59,502 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cb608a2e/e2fe43c910534ba8a6796d2e2f90ea8a/FLAG871f0811c [2022-10-15 22:19:59,773 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cb608a2e/e2fe43c910534ba8a6796d2e2f90ea8a [2022-10-15 22:19:59,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 22:19:59,793 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 22:19:59,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 22:19:59,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 22:19:59,802 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 22:19:59,803 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:19:59" (1/1) ... [2022-10-15 22:19:59,804 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28743fb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:19:59, skipping insertion in model container [2022-10-15 22:19:59,804 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 10:19:59" (1/1) ... [2022-10-15 22:19:59,815 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 22:19:59,879 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 22:20:00,117 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/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+cfa-reducer.c[7631,7644] [2022-10-15 22:20:00,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:20:00,183 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 22:20:00,240 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/seq-mthreaded-reduced/pals_lcr.7.ufo.BOUNDED-14.pals.c.v+cfa-reducer.c[7631,7644] [2022-10-15 22:20:00,290 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 22:20:00,313 INFO L208 MainTranslator]: Completed translation [2022-10-15 22:20:00,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:20:00 WrapperNode [2022-10-15 22:20:00,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 22:20:00,315 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 22:20:00,316 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 22:20:00,316 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 22:20:00,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:20:00" (1/1) ... [2022-10-15 22:20:00,339 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:20:00" (1/1) ... [2022-10-15 22:20:00,401 INFO L138 Inliner]: procedures = 26, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 616 [2022-10-15 22:20:00,402 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 22:20:00,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 22:20:00,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 22:20:00,402 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 22:20:00,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:20:00" (1/1) ... [2022-10-15 22:20:00,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:20:00" (1/1) ... [2022-10-15 22:20:00,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:20:00" (1/1) ... [2022-10-15 22:20:00,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:20:00" (1/1) ... [2022-10-15 22:20:00,433 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:20:00" (1/1) ... [2022-10-15 22:20:00,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:20:00" (1/1) ... [2022-10-15 22:20:00,444 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:20:00" (1/1) ... [2022-10-15 22:20:00,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:20:00" (1/1) ... [2022-10-15 22:20:00,452 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 22:20:00,453 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 22:20:00,454 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 22:20:00,454 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 22:20:00,455 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:20:00" (1/1) ... [2022-10-15 22:20:00,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 22:20:00,478 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 22:20:00,506 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) [2022-10-15 22:20:00,526 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 [2022-10-15 22:20:00,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 22:20:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 22:20:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 22:20:00,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 22:20:00,860 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 22:20:00,862 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 22:20:01,559 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 22:20:01,578 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 22:20:01,578 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-15 22:20:01,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:20:01 BoogieIcfgContainer [2022-10-15 22:20:01,583 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 22:20:01,587 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 22:20:01,587 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 22:20:01,591 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 22:20:01,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 10:19:59" (1/3) ... [2022-10-15 22:20:01,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6439ced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:20:01, skipping insertion in model container [2022-10-15 22:20:01,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 10:20:00" (2/3) ... [2022-10-15 22:20:01,593 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6439ced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 10:20:01, skipping insertion in model container [2022-10-15 22:20:01,593 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 10:20:01" (3/3) ... [2022-10-15 22:20:01,594 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr.7.ufo.BOUNDED-14.pals.c.v+cfa-reducer.c [2022-10-15 22:20:01,620 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 22:20:01,620 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 40 error locations. [2022-10-15 22:20:01,687 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 22:20:01,696 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;@27d892dd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 22:20:01,696 INFO L358 AbstractCegarLoop]: Starting to check reachability of 40 error locations. [2022-10-15 22:20:01,703 INFO L276 IsEmpty]: Start isEmpty. Operand has 214 states, 173 states have (on average 1.8092485549132948) internal successors, (313), 213 states have internal predecessors, (313), 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) [2022-10-15 22:20:01,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-15 22:20:01,713 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:20:01,714 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:20:01,715 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2022-10-15 22:20:01,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:20:01,721 INFO L85 PathProgramCache]: Analyzing trace with hash 288285843, now seen corresponding path program 1 times [2022-10-15 22:20:01,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:20:01,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679442689] [2022-10-15 22:20:01,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:20:01,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:20:01,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:20:02,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:20:02,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:20:02,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679442689] [2022-10-15 22:20:02,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679442689] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:20:02,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:20:02,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:20:02,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23620106] [2022-10-15 22:20:02,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:20:02,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:20:02,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:20:02,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:20:02,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:20:02,379 INFO L87 Difference]: Start difference. First operand has 214 states, 173 states have (on average 1.8092485549132948) internal successors, (313), 213 states have internal predecessors, (313), 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) Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2022-10-15 22:20:02,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:20:02,493 INFO L93 Difference]: Finished difference Result 524 states and 714 transitions. [2022-10-15 22:20:02,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:20:02,503 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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 56 [2022-10-15 22:20:02,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:20:02,530 INFO L225 Difference]: With dead ends: 524 [2022-10-15 22:20:02,531 INFO L226 Difference]: Without dead ends: 357 [2022-10-15 22:20:02,537 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 [2022-10-15 22:20:02,546 INFO L413 NwaCegarLoop]: 498 mSDtfsCounter, 240 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 705 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:20:02,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 705 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:20:02,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2022-10-15 22:20:02,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 319. [2022-10-15 22:20:02,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 279 states have (on average 1.5949820788530467) internal successors, (445), 318 states have internal predecessors, (445), 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) [2022-10-15 22:20:02,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 445 transitions. [2022-10-15 22:20:02,657 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 445 transitions. Word has length 56 [2022-10-15 22:20:02,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:20:02,658 INFO L495 AbstractCegarLoop]: Abstraction has 319 states and 445 transitions. [2022-10-15 22:20:02,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 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) [2022-10-15 22:20:02,659 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 445 transitions. [2022-10-15 22:20:02,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-10-15 22:20:02,662 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:20:02,663 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:20:02,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 22:20:02,664 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2022-10-15 22:20:02,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:20:02,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1276775707, now seen corresponding path program 1 times [2022-10-15 22:20:02,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:20:02,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576765794] [2022-10-15 22:20:02,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:20:02,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:20:02,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:20:02,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:20:02,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:20:02,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576765794] [2022-10-15 22:20:02,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576765794] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:20:02,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:20:02,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:20:02,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021031784] [2022-10-15 22:20:02,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:20:02,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:20:02,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:20:02,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:20:02,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:20:02,968 INFO L87 Difference]: Start difference. First operand 319 states and 445 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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) [2022-10-15 22:20:03,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:20:03,036 INFO L93 Difference]: Finished difference Result 835 states and 1203 transitions. [2022-10-15 22:20:03,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:20:03,037 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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 84 [2022-10-15 22:20:03,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:20:03,042 INFO L225 Difference]: With dead ends: 835 [2022-10-15 22:20:03,042 INFO L226 Difference]: Without dead ends: 569 [2022-10-15 22:20:03,044 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 [2022-10-15 22:20:03,046 INFO L413 NwaCegarLoop]: 438 mSDtfsCounter, 190 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 642 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:20:03,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 642 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:20:03,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2022-10-15 22:20:03,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 529. [2022-10-15 22:20:03,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 489 states have (on average 1.6543967280163598) internal successors, (809), 528 states have internal predecessors, (809), 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) [2022-10-15 22:20:03,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 809 transitions. [2022-10-15 22:20:03,127 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 809 transitions. Word has length 84 [2022-10-15 22:20:03,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:20:03,130 INFO L495 AbstractCegarLoop]: Abstraction has 529 states and 809 transitions. [2022-10-15 22:20:03,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 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) [2022-10-15 22:20:03,130 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 809 transitions. [2022-10-15 22:20:03,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-15 22:20:03,135 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:20:03,139 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:20:03,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 22:20:03,139 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2022-10-15 22:20:03,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:20:03,141 INFO L85 PathProgramCache]: Analyzing trace with hash 878962746, now seen corresponding path program 1 times [2022-10-15 22:20:03,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:20:03,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042271639] [2022-10-15 22:20:03,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:20:03,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:20:03,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:20:03,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:20:03,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:20:03,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042271639] [2022-10-15 22:20:03,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042271639] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:20:03,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:20:03,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:20:03,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754889171] [2022-10-15 22:20:03,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:20:03,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:20:03,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:20:03,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:20:03,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:20:03,388 INFO L87 Difference]: Start difference. First operand 529 states and 809 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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) [2022-10-15 22:20:03,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:20:03,483 INFO L93 Difference]: Finished difference Result 1449 states and 2269 transitions. [2022-10-15 22:20:03,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:20:03,484 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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 85 [2022-10-15 22:20:03,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:20:03,493 INFO L225 Difference]: With dead ends: 1449 [2022-10-15 22:20:03,494 INFO L226 Difference]: Without dead ends: 973 [2022-10-15 22:20:03,497 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 [2022-10-15 22:20:03,505 INFO L413 NwaCegarLoop]: 430 mSDtfsCounter, 185 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 638 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:20:03,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 638 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:20:03,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 973 states. [2022-10-15 22:20:03,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 973 to 933. [2022-10-15 22:20:03,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 933 states, 893 states have (on average 1.6898096304591266) internal successors, (1509), 932 states have internal predecessors, (1509), 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) [2022-10-15 22:20:03,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1509 transitions. [2022-10-15 22:20:03,624 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1509 transitions. Word has length 85 [2022-10-15 22:20:03,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:20:03,624 INFO L495 AbstractCegarLoop]: Abstraction has 933 states and 1509 transitions. [2022-10-15 22:20:03,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 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) [2022-10-15 22:20:03,625 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1509 transitions. [2022-10-15 22:20:03,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-15 22:20:03,627 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:20:03,627 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:20:03,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 22:20:03,627 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2022-10-15 22:20:03,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:20:03,628 INFO L85 PathProgramCache]: Analyzing trace with hash -1582776910, now seen corresponding path program 1 times [2022-10-15 22:20:03,628 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:20:03,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506015996] [2022-10-15 22:20:03,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:20:03,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:20:03,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:20:03,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:20:03,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:20:03,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506015996] [2022-10-15 22:20:03,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506015996] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:20:03,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:20:03,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:20:03,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284529741] [2022-10-15 22:20:03,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:20:03,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:20:03,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:20:03,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:20:03,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:20:03,775 INFO L87 Difference]: Start difference. First operand 933 states and 1509 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 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) [2022-10-15 22:20:03,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:20:03,925 INFO L93 Difference]: Finished difference Result 2629 states and 4317 transitions. [2022-10-15 22:20:03,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:20:03,926 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 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 86 [2022-10-15 22:20:03,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:20:03,936 INFO L225 Difference]: With dead ends: 2629 [2022-10-15 22:20:03,937 INFO L226 Difference]: Without dead ends: 1749 [2022-10-15 22:20:03,939 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 [2022-10-15 22:20:03,940 INFO L413 NwaCegarLoop]: 422 mSDtfsCounter, 180 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 634 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:20:03,941 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 634 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:20:03,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1749 states. [2022-10-15 22:20:04,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1749 to 1709. [2022-10-15 22:20:04,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1709 states, 1669 states have (on average 1.7094068304373877) internal successors, (2853), 1708 states have internal predecessors, (2853), 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) [2022-10-15 22:20:04,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1709 states to 1709 states and 2853 transitions. [2022-10-15 22:20:04,089 INFO L78 Accepts]: Start accepts. Automaton has 1709 states and 2853 transitions. Word has length 86 [2022-10-15 22:20:04,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:20:04,089 INFO L495 AbstractCegarLoop]: Abstraction has 1709 states and 2853 transitions. [2022-10-15 22:20:04,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 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) [2022-10-15 22:20:04,090 INFO L276 IsEmpty]: Start isEmpty. Operand 1709 states and 2853 transitions. [2022-10-15 22:20:04,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-15 22:20:04,099 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:20:04,099 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:20:04,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-15 22:20:04,100 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2022-10-15 22:20:04,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:20:04,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1498273430, now seen corresponding path program 1 times [2022-10-15 22:20:04,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:20:04,102 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040851448] [2022-10-15 22:20:04,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:20:04,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:20:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:20:04,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:20:04,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:20:04,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040851448] [2022-10-15 22:20:04,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040851448] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:20:04,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:20:04,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:20:04,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75469165] [2022-10-15 22:20:04,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:20:04,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:20:04,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:20:04,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:20:04,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:20:04,290 INFO L87 Difference]: Start difference. First operand 1709 states and 2853 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) [2022-10-15 22:20:04,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:20:04,549 INFO L93 Difference]: Finished difference Result 4893 states and 8245 transitions. [2022-10-15 22:20:04,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:20:04,550 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 [2022-10-15 22:20:04,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:20:04,571 INFO L225 Difference]: With dead ends: 4893 [2022-10-15 22:20:04,571 INFO L226 Difference]: Without dead ends: 3237 [2022-10-15 22:20:04,575 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 [2022-10-15 22:20:04,578 INFO L413 NwaCegarLoop]: 414 mSDtfsCounter, 175 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 630 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:20:04,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 630 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:20:04,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3237 states. [2022-10-15 22:20:04,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3237 to 3197. [2022-10-15 22:20:04,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3197 states, 3157 states have (on average 1.71967057332911) internal successors, (5429), 3196 states have internal predecessors, (5429), 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) [2022-10-15 22:20:04,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3197 states to 3197 states and 5429 transitions. [2022-10-15 22:20:04,872 INFO L78 Accepts]: Start accepts. Automaton has 3197 states and 5429 transitions. Word has length 87 [2022-10-15 22:20:04,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:20:04,873 INFO L495 AbstractCegarLoop]: Abstraction has 3197 states and 5429 transitions. [2022-10-15 22:20:04,873 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) [2022-10-15 22:20:04,874 INFO L276 IsEmpty]: Start isEmpty. Operand 3197 states and 5429 transitions. [2022-10-15 22:20:04,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-15 22:20:04,879 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:20:04,879 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:20:04,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-15 22:20:04,881 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2022-10-15 22:20:04,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:20:04,883 INFO L85 PathProgramCache]: Analyzing trace with hash 353035404, now seen corresponding path program 1 times [2022-10-15 22:20:04,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:20:04,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59737803] [2022-10-15 22:20:04,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:20:04,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:20:04,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:20:05,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:20:05,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:20:05,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59737803] [2022-10-15 22:20:05,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59737803] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:20:05,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:20:05,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:20:05,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159188478] [2022-10-15 22:20:05,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:20:05,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:20:05,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:20:05,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:20:05,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:20:05,036 INFO L87 Difference]: Start difference. First operand 3197 states and 5429 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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) [2022-10-15 22:20:05,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:20:05,547 INFO L93 Difference]: Finished difference Result 9229 states and 15765 transitions. [2022-10-15 22:20:05,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:20:05,548 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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 88 [2022-10-15 22:20:05,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:20:05,610 INFO L225 Difference]: With dead ends: 9229 [2022-10-15 22:20:05,611 INFO L226 Difference]: Without dead ends: 6085 [2022-10-15 22:20:05,615 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 [2022-10-15 22:20:05,616 INFO L413 NwaCegarLoop]: 406 mSDtfsCounter, 170 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:20:05,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 626 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:20:05,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6085 states. [2022-10-15 22:20:06,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6085 to 6045. [2022-10-15 22:20:06,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6045 states, 6005 states have (on average 1.724729392173189) internal successors, (10357), 6044 states have internal predecessors, (10357), 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) [2022-10-15 22:20:06,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6045 states to 6045 states and 10357 transitions. [2022-10-15 22:20:06,191 INFO L78 Accepts]: Start accepts. Automaton has 6045 states and 10357 transitions. Word has length 88 [2022-10-15 22:20:06,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:20:06,192 INFO L495 AbstractCegarLoop]: Abstraction has 6045 states and 10357 transitions. [2022-10-15 22:20:06,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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) [2022-10-15 22:20:06,193 INFO L276 IsEmpty]: Start isEmpty. Operand 6045 states and 10357 transitions. [2022-10-15 22:20:06,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-15 22:20:06,194 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:20:06,195 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:20:06,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-15 22:20:06,195 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2022-10-15 22:20:06,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:20:06,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1597232282, now seen corresponding path program 1 times [2022-10-15 22:20:06,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:20:06,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383271407] [2022-10-15 22:20:06,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:20:06,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:20:06,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:20:06,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:20:06,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:20:06,324 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383271407] [2022-10-15 22:20:06,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383271407] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:20:06,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:20:06,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:20:06,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985435325] [2022-10-15 22:20:06,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:20:06,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-15 22:20:06,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:20:06,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-15 22:20:06,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-15 22:20:06,327 INFO L87 Difference]: Start difference. First operand 6045 states and 10357 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 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) [2022-10-15 22:20:07,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:20:07,306 INFO L93 Difference]: Finished difference Result 17517 states and 30133 transitions. [2022-10-15 22:20:07,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-15 22:20:07,306 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 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 89 [2022-10-15 22:20:07,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:20:07,371 INFO L225 Difference]: With dead ends: 17517 [2022-10-15 22:20:07,372 INFO L226 Difference]: Without dead ends: 11525 [2022-10-15 22:20:07,381 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 [2022-10-15 22:20:07,382 INFO L413 NwaCegarLoop]: 398 mSDtfsCounter, 165 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 165 SdHoareTripleChecker+Valid, 622 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 22:20:07,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [165 Valid, 622 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 22:20:07,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11525 states. [2022-10-15 22:20:08,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11525 to 11485. [2022-10-15 22:20:08,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11485 states, 11445 states have (on average 1.72695500218436) internal successors, (19765), 11484 states have internal predecessors, (19765), 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) [2022-10-15 22:20:08,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11485 states to 11485 states and 19765 transitions. [2022-10-15 22:20:08,459 INFO L78 Accepts]: Start accepts. Automaton has 11485 states and 19765 transitions. Word has length 89 [2022-10-15 22:20:08,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:20:08,460 INFO L495 AbstractCegarLoop]: Abstraction has 11485 states and 19765 transitions. [2022-10-15 22:20:08,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 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) [2022-10-15 22:20:08,461 INFO L276 IsEmpty]: Start isEmpty. Operand 11485 states and 19765 transitions. [2022-10-15 22:20:08,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-15 22:20:08,462 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:20:08,462 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:20:08,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-15 22:20:08,462 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2022-10-15 22:20:08,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:20:08,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1715274382, now seen corresponding path program 1 times [2022-10-15 22:20:08,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:20:08,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727863916] [2022-10-15 22:20:08,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:20:08,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:20:08,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:20:08,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:20:08,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:20:08,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727863916] [2022-10-15 22:20:08,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727863916] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:20:08,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:20:08,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:20:08,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122080117] [2022-10-15 22:20:08,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:20:08,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:20:08,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:20:08,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:20:08,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:20:08,653 INFO L87 Difference]: Start difference. First operand 11485 states and 19765 transitions. Second operand has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 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) [2022-10-15 22:20:11,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:20:11,106 INFO L93 Difference]: Finished difference Result 34346 states and 59189 transitions. [2022-10-15 22:20:11,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-15 22:20:11,107 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 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 90 [2022-10-15 22:20:11,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:20:11,204 INFO L225 Difference]: With dead ends: 34346 [2022-10-15 22:20:11,205 INFO L226 Difference]: Without dead ends: 34343 [2022-10-15 22:20:11,216 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:20:11,217 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 614 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 614 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:20:11,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [614 Valid, 453 Invalid, 247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:20:11,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34343 states. [2022-10-15 22:20:13,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34343 to 22877. [2022-10-15 22:20:13,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22877 states, 22837 states have (on average 1.7118272978061917) internal successors, (39093), 22876 states have internal predecessors, (39093), 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) [2022-10-15 22:20:13,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22877 states to 22877 states and 39093 transitions. [2022-10-15 22:20:13,335 INFO L78 Accepts]: Start accepts. Automaton has 22877 states and 39093 transitions. Word has length 90 [2022-10-15 22:20:13,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:20:13,336 INFO L495 AbstractCegarLoop]: Abstraction has 22877 states and 39093 transitions. [2022-10-15 22:20:13,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.0) internal successors, (90), 4 states have internal predecessors, (90), 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) [2022-10-15 22:20:13,337 INFO L276 IsEmpty]: Start isEmpty. Operand 22877 states and 39093 transitions. [2022-10-15 22:20:13,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-15 22:20:13,338 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:20:13,338 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:20:13,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-15 22:20:13,339 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2022-10-15 22:20:13,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:20:13,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1633898578, now seen corresponding path program 1 times [2022-10-15 22:20:13,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:20:13,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036790257] [2022-10-15 22:20:13,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:20:13,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:20:13,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:20:13,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:20:13,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:20:13,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036790257] [2022-10-15 22:20:13,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036790257] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:20:13,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:20:13,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 22:20:13,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259195757] [2022-10-15 22:20:13,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:20:13,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 22:20:13,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:20:13,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 22:20:13,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 22:20:13,526 INFO L87 Difference]: Start difference. First operand 22877 states and 39093 transitions. Second operand has 4 states, 3 states have (on average 30.333333333333332) internal successors, (91), 4 states have internal predecessors, (91), 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) [2022-10-15 22:20:15,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:20:15,472 INFO L93 Difference]: Finished difference Result 34306 states and 58805 transitions. [2022-10-15 22:20:15,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 22:20:15,476 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.333333333333332) internal successors, (91), 4 states have internal predecessors, (91), 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 91 [2022-10-15 22:20:15,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:20:15,575 INFO L225 Difference]: With dead ends: 34306 [2022-10-15 22:20:15,576 INFO L226 Difference]: Without dead ends: 34303 [2022-10-15 22:20:15,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:20:15,588 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 613 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 613 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 22:20:15,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [613 Valid, 312 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 22:20:15,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34303 states. [2022-10-15 22:20:18,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34303 to 34269. [2022-10-15 22:20:18,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34269 states, 34229 states have (on average 1.6955505565456193) internal successors, (58037), 34268 states have internal predecessors, (58037), 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) [2022-10-15 22:20:18,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34269 states to 34269 states and 58037 transitions. [2022-10-15 22:20:18,284 INFO L78 Accepts]: Start accepts. Automaton has 34269 states and 58037 transitions. Word has length 91 [2022-10-15 22:20:18,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:20:18,285 INFO L495 AbstractCegarLoop]: Abstraction has 34269 states and 58037 transitions. [2022-10-15 22:20:18,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.333333333333332) internal successors, (91), 4 states have internal predecessors, (91), 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) [2022-10-15 22:20:18,285 INFO L276 IsEmpty]: Start isEmpty. Operand 34269 states and 58037 transitions. [2022-10-15 22:20:18,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-15 22:20:18,286 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:20:18,286 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:20:18,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-15 22:20:18,287 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2022-10-15 22:20:18,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:20:18,288 INFO L85 PathProgramCache]: Analyzing trace with hash -888751344, now seen corresponding path program 1 times [2022-10-15 22:20:18,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:20:18,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996247409] [2022-10-15 22:20:18,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:20:18,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:20:18,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:20:18,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:20:18,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:20:18,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996247409] [2022-10-15 22:20:18,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996247409] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:20:18,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:20:18,473 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:20:18,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950031735] [2022-10-15 22:20:18,473 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:20:18,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:20:18,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:20:18,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:20:18,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:20:18,475 INFO L87 Difference]: Start difference. First operand 34269 states and 58037 transitions. Second operand has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 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) [2022-10-15 22:20:22,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:20:22,097 INFO L93 Difference]: Finished difference Result 57155 states and 96309 transitions. [2022-10-15 22:20:22,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-15 22:20:22,097 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 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 92 [2022-10-15 22:20:22,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:20:22,245 INFO L225 Difference]: With dead ends: 57155 [2022-10-15 22:20:22,245 INFO L226 Difference]: Without dead ends: 57152 [2022-10-15 22:20:22,262 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:20:22,263 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 1210 mSDsluCounter, 435 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1210 SdHoareTripleChecker+Valid, 618 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:20:22,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1210 Valid, 618 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:20:22,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57152 states. [2022-10-15 22:20:24,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57152 to 45661. [2022-10-15 22:20:24,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45661 states, 45621 states have (on average 1.6789855548979638) internal successors, (76597), 45660 states have internal predecessors, (76597), 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) [2022-10-15 22:20:25,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45661 states to 45661 states and 76597 transitions. [2022-10-15 22:20:25,078 INFO L78 Accepts]: Start accepts. Automaton has 45661 states and 76597 transitions. Word has length 92 [2022-10-15 22:20:25,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:20:25,079 INFO L495 AbstractCegarLoop]: Abstraction has 45661 states and 76597 transitions. [2022-10-15 22:20:25,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.0) internal successors, (92), 5 states have internal predecessors, (92), 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) [2022-10-15 22:20:25,079 INFO L276 IsEmpty]: Start isEmpty. Operand 45661 states and 76597 transitions. [2022-10-15 22:20:25,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-15 22:20:25,080 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:20:25,081 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:20:25,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-15 22:20:25,081 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2022-10-15 22:20:25,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:20:25,082 INFO L85 PathProgramCache]: Analyzing trace with hash -1781487596, now seen corresponding path program 1 times [2022-10-15 22:20:25,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:20:25,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621789170] [2022-10-15 22:20:25,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:20:25,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:20:25,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:20:25,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:20:25,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:20:25,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621789170] [2022-10-15 22:20:25,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621789170] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:20:25,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:20:25,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-15 22:20:25,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804517268] [2022-10-15 22:20:25,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:20:25,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-15 22:20:25,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:20:25,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-15 22:20:25,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-15 22:20:25,292 INFO L87 Difference]: Start difference. First operand 45661 states and 76597 transitions. Second operand has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 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) [2022-10-15 22:20:28,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:20:28,685 INFO L93 Difference]: Finished difference Result 57121 states and 95925 transitions. [2022-10-15 22:20:28,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 22:20:28,685 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 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 93 [2022-10-15 22:20:28,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:20:28,807 INFO L225 Difference]: With dead ends: 57121 [2022-10-15 22:20:28,807 INFO L226 Difference]: Without dead ends: 57118 [2022-10-15 22:20:28,829 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-15 22:20:28,830 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 1221 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 241 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1221 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 241 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:20:28,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1221 Valid, 459 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 241 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:20:28,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57118 states. [2022-10-15 22:20:32,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57118 to 57053. [2022-10-15 22:20:32,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57053 states, 57013 states have (on average 1.6623050883131918) internal successors, (94773), 57052 states have internal predecessors, (94773), 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) [2022-10-15 22:20:32,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57053 states to 57053 states and 94773 transitions. [2022-10-15 22:20:32,656 INFO L78 Accepts]: Start accepts. Automaton has 57053 states and 94773 transitions. Word has length 93 [2022-10-15 22:20:32,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:20:32,656 INFO L495 AbstractCegarLoop]: Abstraction has 57053 states and 94773 transitions. [2022-10-15 22:20:32,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 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) [2022-10-15 22:20:32,657 INFO L276 IsEmpty]: Start isEmpty. Operand 57053 states and 94773 transitions. [2022-10-15 22:20:32,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-15 22:20:32,658 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:20:32,658 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:20:32,658 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-15 22:20:32,659 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2022-10-15 22:20:32,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:20:32,660 INFO L85 PathProgramCache]: Analyzing trace with hash 608459666, now seen corresponding path program 1 times [2022-10-15 22:20:32,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:20:32,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751785889] [2022-10-15 22:20:32,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:20:32,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:20:32,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:20:32,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:20:32,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:20:32,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751785889] [2022-10-15 22:20:32,871 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751785889] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:20:32,871 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:20:32,871 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:20:32,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068736910] [2022-10-15 22:20:32,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:20:32,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:20:32,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:20:32,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:20:32,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:20:32,873 INFO L87 Difference]: Start difference. First operand 57053 states and 94773 transitions. Second operand has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 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) [2022-10-15 22:20:38,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:20:38,012 INFO L93 Difference]: Finished difference Result 91350 states and 151221 transitions. [2022-10-15 22:20:38,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-15 22:20:38,016 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 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 94 [2022-10-15 22:20:38,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:20:38,213 INFO L225 Difference]: With dead ends: 91350 [2022-10-15 22:20:38,214 INFO L226 Difference]: Without dead ends: 91347 [2022-10-15 22:20:38,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-15 22:20:38,243 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 1604 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 464 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1604 SdHoareTripleChecker+Valid, 899 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 22:20:38,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1604 Valid, 899 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 464 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 22:20:38,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91347 states. [2022-10-15 22:20:42,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91347 to 68445. [2022-10-15 22:20:42,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68445 states, 68405 states have (on average 1.6455668445289087) internal successors, (112565), 68444 states have internal predecessors, (112565), 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) [2022-10-15 22:20:42,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68445 states to 68445 states and 112565 transitions. [2022-10-15 22:20:42,936 INFO L78 Accepts]: Start accepts. Automaton has 68445 states and 112565 transitions. Word has length 94 [2022-10-15 22:20:42,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:20:42,937 INFO L495 AbstractCegarLoop]: Abstraction has 68445 states and 112565 transitions. [2022-10-15 22:20:42,937 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.8) internal successors, (94), 6 states have internal predecessors, (94), 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) [2022-10-15 22:20:42,937 INFO L276 IsEmpty]: Start isEmpty. Operand 68445 states and 112565 transitions. [2022-10-15 22:20:42,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-15 22:20:42,938 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:20:42,938 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:20:42,939 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-15 22:20:42,939 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2022-10-15 22:20:42,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:20:42,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1682380758, now seen corresponding path program 1 times [2022-10-15 22:20:42,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:20:42,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304449666] [2022-10-15 22:20:42,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:20:42,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:20:43,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:20:43,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:20:43,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:20:43,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304449666] [2022-10-15 22:20:43,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304449666] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:20:43,328 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:20:43,328 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-15 22:20:43,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800683608] [2022-10-15 22:20:43,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:20:43,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 22:20:43,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:20:43,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 22:20:43,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-15 22:20:43,329 INFO L87 Difference]: Start difference. First operand 68445 states and 112565 transitions. Second operand has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 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) [2022-10-15 22:20:49,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 22:20:49,005 INFO L93 Difference]: Finished difference Result 91325 states and 150069 transitions. [2022-10-15 22:20:49,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-15 22:20:49,005 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 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 95 [2022-10-15 22:20:49,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 22:20:49,159 INFO L225 Difference]: With dead ends: 91325 [2022-10-15 22:20:49,159 INFO L226 Difference]: Without dead ends: 91322 [2022-10-15 22:20:49,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-15 22:20:49,183 INFO L413 NwaCegarLoop]: 180 mSDtfsCounter, 1952 mSDsluCounter, 443 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1952 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-15 22:20:49,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1952 Valid, 623 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-15 22:20:49,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91322 states. [2022-10-15 22:20:55,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91322 to 91229. [2022-10-15 22:20:55,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91229 states, 91189 states have (on average 1.6288477776924848) internal successors, (148533), 91228 states have internal predecessors, (148533), 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) [2022-10-15 22:20:55,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91229 states to 91229 states and 148533 transitions. [2022-10-15 22:20:55,678 INFO L78 Accepts]: Start accepts. Automaton has 91229 states and 148533 transitions. Word has length 95 [2022-10-15 22:20:55,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 22:20:55,678 INFO L495 AbstractCegarLoop]: Abstraction has 91229 states and 148533 transitions. [2022-10-15 22:20:55,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 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) [2022-10-15 22:20:55,679 INFO L276 IsEmpty]: Start isEmpty. Operand 91229 states and 148533 transitions. [2022-10-15 22:20:55,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-15 22:20:55,679 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 22:20:55,680 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 22:20:55,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-15 22:20:55,680 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 37 more)] === [2022-10-15 22:20:55,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 22:20:55,681 INFO L85 PathProgramCache]: Analyzing trace with hash 614196244, now seen corresponding path program 1 times [2022-10-15 22:20:55,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 22:20:55,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082645061] [2022-10-15 22:20:55,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 22:20:55,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 22:20:55,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 22:20:55,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 22:20:55,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 22:20:55,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082645061] [2022-10-15 22:20:55,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082645061] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 22:20:55,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 22:20:55,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-15 22:20:55,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198153700] [2022-10-15 22:20:55,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 22:20:55,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-15 22:20:55,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 22:20:55,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-15 22:20:55,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-15 22:20:55,891 INFO L87 Difference]: Start difference. First operand 91229 states and 148533 transitions. Second operand has 7 states, 6 states have (on average 16.0) internal successors, (96), 7 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)