/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/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 14:41:33,248 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 14:41:33,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 14:41:33,298 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 14:41:33,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 14:41:33,343 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 14:41:33,344 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 14:41:33,345 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 14:41:33,395 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 14:41:33,395 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 14:41:33,395 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 14:41:33,396 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 14:41:33,396 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 14:41:33,397 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 14:41:33,399 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 14:41:33,400 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 14:41:33,400 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 14:41:33,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 14:41:33,401 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 14:41:33,401 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 14:41:33,401 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 14:41:33,402 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 14:41:33,402 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 14:41:33,402 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 14:41:33,402 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 14:41:33,402 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 14:41:33,402 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 14:41:33,403 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 14:41:33,403 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 14:41:33,403 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 14:41:33,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 14:41:33,403 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 14:41:33,404 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 14:41:33,404 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 14:41:33,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:41:33,404 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 14:41:33,404 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 14:41:33,405 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 14:41:33,405 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 14:41:33,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 14:41:33,405 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 14:41:33,406 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 14:41:33,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 14:41:33,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 14:41:33,811 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 14:41:33,812 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 14:41:33,813 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 14:41:33,815 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i [2022-10-16 14:41:33,904 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6769829f8/11cc42271af0430fbba7ff5948d0dcdb/FLAG0465455f9 [2022-10-16 14:41:34,465 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 14:41:34,465 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i [2022-10-16 14:41:34,478 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6769829f8/11cc42271af0430fbba7ff5948d0dcdb/FLAG0465455f9 [2022-10-16 14:41:34,810 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6769829f8/11cc42271af0430fbba7ff5948d0dcdb [2022-10-16 14:41:34,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 14:41:34,818 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 14:41:34,819 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 14:41:34,820 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 14:41:34,825 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 14:41:34,826 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:41:34" (1/1) ... [2022-10-16 14:41:34,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f1d9e05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:34, skipping insertion in model container [2022-10-16 14:41:34,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:41:34" (1/1) ... [2022-10-16 14:41:34,843 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 14:41:34,874 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 14:41:35,038 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/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i[878,891] [2022-10-16 14:41:35,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:41:35,145 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 14:41:35,166 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/loops/veris.c_OpenSER_cases1_stripFullBoth_arr.i[878,891] [2022-10-16 14:41:35,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 14:41:35,233 INFO L208 MainTranslator]: Completed translation [2022-10-16 14:41:35,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:35 WrapperNode [2022-10-16 14:41:35,233 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 14:41:35,235 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 14:41:35,235 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 14:41:35,235 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 14:41:35,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:35" (1/1) ... [2022-10-16 14:41:35,253 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:35" (1/1) ... [2022-10-16 14:41:35,282 INFO L138 Inliner]: procedures = 42, calls = 30, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 184 [2022-10-16 14:41:35,283 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 14:41:35,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 14:41:35,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 14:41:35,284 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 14:41:35,294 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:35" (1/1) ... [2022-10-16 14:41:35,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:35" (1/1) ... [2022-10-16 14:41:35,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:35" (1/1) ... [2022-10-16 14:41:35,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:35" (1/1) ... [2022-10-16 14:41:35,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:35" (1/1) ... [2022-10-16 14:41:35,313 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:35" (1/1) ... [2022-10-16 14:41:35,315 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:35" (1/1) ... [2022-10-16 14:41:35,317 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:35" (1/1) ... [2022-10-16 14:41:35,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 14:41:35,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 14:41:35,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 14:41:35,321 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 14:41:35,322 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:35" (1/1) ... [2022-10-16 14:41:35,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 14:41:35,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:41:35,367 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 14:41:35,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 14:41:35,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 14:41:35,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-16 14:41:35,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-16 14:41:35,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-16 14:41:35,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 14:41:35,429 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-10-16 14:41:35,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 14:41:35,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 14:41:35,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-16 14:41:35,524 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 14:41:35,527 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 14:41:35,998 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 14:41:36,007 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 14:41:36,007 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-10-16 14:41:36,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:41:36 BoogieIcfgContainer [2022-10-16 14:41:36,010 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 14:41:36,012 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 14:41:36,013 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 14:41:36,017 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 14:41:36,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:41:34" (1/3) ... [2022-10-16 14:41:36,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@418153b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:41:36, skipping insertion in model container [2022-10-16 14:41:36,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:41:35" (2/3) ... [2022-10-16 14:41:36,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@418153b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:41:36, skipping insertion in model container [2022-10-16 14:41:36,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:41:36" (3/3) ... [2022-10-16 14:41:36,020 INFO L112 eAbstractionObserver]: Analyzing ICFG veris.c_OpenSER_cases1_stripFullBoth_arr.i [2022-10-16 14:41:36,043 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 14:41:36,044 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2022-10-16 14:41:36,108 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 14:41:36,116 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;@66f253a0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 14:41:36,117 INFO L358 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2022-10-16 14:41:36,125 INFO L276 IsEmpty]: Start isEmpty. Operand has 99 states, 66 states have (on average 1.7727272727272727) internal successors, (117), 98 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:36,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-16 14:41:36,133 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:36,134 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-10-16 14:41:36,134 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:41:36,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:36,141 INFO L85 PathProgramCache]: Analyzing trace with hash 28698728, now seen corresponding path program 1 times [2022-10-16 14:41:36,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:36,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928846900] [2022-10-16 14:41:36,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:36,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:36,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:36,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:41:36,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:36,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928846900] [2022-10-16 14:41:36,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928846900] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:41:36,441 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:41:36,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:41:36,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758264228] [2022-10-16 14:41:36,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:41:36,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:41:36,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:36,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:41:36,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:41:36,485 INFO L87 Difference]: Start difference. First operand has 99 states, 66 states have (on average 1.7727272727272727) internal successors, (117), 98 states have internal predecessors, (117), 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 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:36,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:36,573 INFO L93 Difference]: Finished difference Result 196 states and 232 transitions. [2022-10-16 14:41:36,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:41:36,582 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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 5 [2022-10-16 14:41:36,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:36,593 INFO L225 Difference]: With dead ends: 196 [2022-10-16 14:41:36,593 INFO L226 Difference]: Without dead ends: 97 [2022-10-16 14:41:36,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:41:36,601 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 3 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:36,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 320 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:41:36,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2022-10-16 14:41:36,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2022-10-16 14:41:36,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 65 states have (on average 1.646153846153846) internal successors, (107), 96 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:36,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 107 transitions. [2022-10-16 14:41:36,650 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 107 transitions. Word has length 5 [2022-10-16 14:41:36,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:36,651 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 107 transitions. [2022-10-16 14:41:36,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:36,651 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 107 transitions. [2022-10-16 14:41:36,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-16 14:41:36,652 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:36,652 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2022-10-16 14:41:36,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 14:41:36,653 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:41:36,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:36,654 INFO L85 PathProgramCache]: Analyzing trace with hash -363792156, now seen corresponding path program 1 times [2022-10-16 14:41:36,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:36,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266420567] [2022-10-16 14:41:36,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:36,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:36,733 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-16 14:41:36,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:36,734 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266420567] [2022-10-16 14:41:36,735 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266420567] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:41:36,735 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:41:36,735 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:41:36,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562117600] [2022-10-16 14:41:36,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:41:36,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:41:36,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:36,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:41:36,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:41:36,739 INFO L87 Difference]: Start difference. First operand 97 states and 107 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:36,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:36,771 INFO L93 Difference]: Finished difference Result 97 states and 107 transitions. [2022-10-16 14:41:36,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:41:36,772 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2022-10-16 14:41:36,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:36,773 INFO L225 Difference]: With dead ends: 97 [2022-10-16 14:41:36,774 INFO L226 Difference]: Without dead ends: 96 [2022-10-16 14:41:36,774 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 [2022-10-16 14:41:36,776 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 5 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:36,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 288 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:41:36,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-10-16 14:41:36,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-10-16 14:41:36,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 65 states have (on average 1.6307692307692307) internal successors, (106), 95 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:36,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 106 transitions. [2022-10-16 14:41:36,797 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 106 transitions. Word has length 9 [2022-10-16 14:41:36,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:36,798 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 106 transitions. [2022-10-16 14:41:36,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:36,799 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 106 transitions. [2022-10-16 14:41:36,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-16 14:41:36,803 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:36,803 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1] [2022-10-16 14:41:36,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 14:41:36,804 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:41:36,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:36,805 INFO L85 PathProgramCache]: Analyzing trace with hash 1607345098, now seen corresponding path program 1 times [2022-10-16 14:41:36,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:36,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476434936] [2022-10-16 14:41:36,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:36,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:36,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:36,956 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:41:36,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:36,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476434936] [2022-10-16 14:41:36,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476434936] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:41:36,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [856223419] [2022-10-16 14:41:36,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:36,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:41:36,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:41:36,966 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:41:36,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 14:41:37,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:37,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 14:41:37,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:41:37,113 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:41:37,114 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:41:37,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [856223419] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:41:37,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:41:37,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-10-16 14:41:37,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968993517] [2022-10-16 14:41:37,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:41:37,116 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:41:37,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:37,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:41:37,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:41:37,118 INFO L87 Difference]: Start difference. First operand 96 states and 106 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:37,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:37,174 INFO L93 Difference]: Finished difference Result 96 states and 106 transitions. [2022-10-16 14:41:37,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 14:41:37,175 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 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 10 [2022-10-16 14:41:37,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:37,176 INFO L225 Difference]: With dead ends: 96 [2022-10-16 14:41:37,176 INFO L226 Difference]: Without dead ends: 95 [2022-10-16 14:41:37,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-10-16 14:41:37,179 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 194 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:37,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 192 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:41:37,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2022-10-16 14:41:37,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 92. [2022-10-16 14:41:37,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 62 states have (on average 1.6451612903225807) internal successors, (102), 91 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:37,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 102 transitions. [2022-10-16 14:41:37,191 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 102 transitions. Word has length 10 [2022-10-16 14:41:37,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:37,192 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 102 transitions. [2022-10-16 14:41:37,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:37,192 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 102 transitions. [2022-10-16 14:41:37,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-16 14:41:37,193 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:37,193 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:37,238 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 14:41:37,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:41:37,407 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:41:37,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:37,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1713507193, now seen corresponding path program 1 times [2022-10-16 14:41:37,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:37,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753185124] [2022-10-16 14:41:37,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:37,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:37,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:37,548 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:41:37,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:37,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753185124] [2022-10-16 14:41:37,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753185124] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:41:37,549 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [82952714] [2022-10-16 14:41:37,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:37,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:41:37,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:41:37,551 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:41:37,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 14:41:37,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:37,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 14:41:37,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:41:37,670 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:41:37,670 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:41:37,707 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 14:41:37,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [82952714] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:41:37,708 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:41:37,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-10-16 14:41:37,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468121912] [2022-10-16 14:41:37,708 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:41:37,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 14:41:37,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:37,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 14:41:37,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-10-16 14:41:37,710 INFO L87 Difference]: Start difference. First operand 92 states and 102 transitions. Second operand has 10 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:37,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:37,763 INFO L93 Difference]: Finished difference Result 185 states and 206 transitions. [2022-10-16 14:41:37,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 14:41:37,764 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 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 11 [2022-10-16 14:41:37,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:37,765 INFO L225 Difference]: With dead ends: 185 [2022-10-16 14:41:37,765 INFO L226 Difference]: Without dead ends: 100 [2022-10-16 14:41:37,767 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-10-16 14:41:37,768 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 17 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:37,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 289 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:41:37,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-10-16 14:41:37,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2022-10-16 14:41:37,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 70 states have (on average 1.5714285714285714) internal successors, (110), 99 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:37,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 110 transitions. [2022-10-16 14:41:37,780 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 110 transitions. Word has length 11 [2022-10-16 14:41:37,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:37,780 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 110 transitions. [2022-10-16 14:41:37,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:37,781 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 110 transitions. [2022-10-16 14:41:37,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-16 14:41:37,781 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:37,782 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:37,819 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 14:41:37,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-10-16 14:41:37,996 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:41:37,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:37,998 INFO L85 PathProgramCache]: Analyzing trace with hash -230728321, now seen corresponding path program 2 times [2022-10-16 14:41:37,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:37,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200710443] [2022-10-16 14:41:37,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:37,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:38,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:38,071 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 14:41:38,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:38,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200710443] [2022-10-16 14:41:38,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200710443] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:41:38,072 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:41:38,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:41:38,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873211060] [2022-10-16 14:41:38,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:41:38,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:41:38,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:38,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:41:38,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:41:38,075 INFO L87 Difference]: Start difference. First operand 100 states and 110 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:38,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:38,110 INFO L93 Difference]: Finished difference Result 105 states and 115 transitions. [2022-10-16 14:41:38,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:41:38,111 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 19 [2022-10-16 14:41:38,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:38,112 INFO L225 Difference]: With dead ends: 105 [2022-10-16 14:41:38,112 INFO L226 Difference]: Without dead ends: 104 [2022-10-16 14:41:38,113 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:41:38,114 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 5 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:38,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 280 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:41:38,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-10-16 14:41:38,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 102. [2022-10-16 14:41:38,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 72 states have (on average 1.5555555555555556) internal successors, (112), 101 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:38,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 112 transitions. [2022-10-16 14:41:38,125 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 112 transitions. Word has length 19 [2022-10-16 14:41:38,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:38,125 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 112 transitions. [2022-10-16 14:41:38,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:38,126 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 112 transitions. [2022-10-16 14:41:38,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-16 14:41:38,127 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:38,127 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:38,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 14:41:38,127 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:41:38,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:38,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1437356704, now seen corresponding path program 1 times [2022-10-16 14:41:38,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:38,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101924997] [2022-10-16 14:41:38,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:38,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:38,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:38,276 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 14:41:38,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:38,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101924997] [2022-10-16 14:41:38,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101924997] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:41:38,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:41:38,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:41:38,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588310750] [2022-10-16 14:41:38,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:41:38,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:41:38,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:38,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:41:38,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:41:38,282 INFO L87 Difference]: Start difference. First operand 102 states and 112 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:38,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:38,329 INFO L93 Difference]: Finished difference Result 102 states and 112 transitions. [2022-10-16 14:41:38,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:41:38,330 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-10-16 14:41:38,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:38,331 INFO L225 Difference]: With dead ends: 102 [2022-10-16 14:41:38,331 INFO L226 Difference]: Without dead ends: 99 [2022-10-16 14:41:38,332 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:41:38,337 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 89 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:38,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 180 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:41:38,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2022-10-16 14:41:38,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2022-10-16 14:41:38,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 72 states have (on average 1.5138888888888888) internal successors, (109), 98 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:38,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 109 transitions. [2022-10-16 14:41:38,349 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 109 transitions. Word has length 20 [2022-10-16 14:41:38,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:38,349 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 109 transitions. [2022-10-16 14:41:38,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:38,350 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 109 transitions. [2022-10-16 14:41:38,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-16 14:41:38,351 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:38,351 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:38,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 14:41:38,352 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:41:38,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:38,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1476511495, now seen corresponding path program 1 times [2022-10-16 14:41:38,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:38,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778068404] [2022-10-16 14:41:38,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:38,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:38,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:38,431 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 14:41:38,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:38,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778068404] [2022-10-16 14:41:38,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778068404] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:41:38,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:41:38,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:41:38,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098634874] [2022-10-16 14:41:38,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:41:38,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:41:38,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:38,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:41:38,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:41:38,435 INFO L87 Difference]: Start difference. First operand 99 states and 109 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:38,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:38,558 INFO L93 Difference]: Finished difference Result 179 states and 198 transitions. [2022-10-16 14:41:38,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:41:38,559 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 25 [2022-10-16 14:41:38,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:38,563 INFO L225 Difference]: With dead ends: 179 [2022-10-16 14:41:38,563 INFO L226 Difference]: Without dead ends: 177 [2022-10-16 14:41:38,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:41:38,566 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 79 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:38,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 165 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:41:38,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2022-10-16 14:41:38,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 111. [2022-10-16 14:41:38,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 84 states have (on average 1.4880952380952381) internal successors, (125), 110 states have internal predecessors, (125), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:38,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 125 transitions. [2022-10-16 14:41:38,601 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 125 transitions. Word has length 25 [2022-10-16 14:41:38,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:38,602 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 125 transitions. [2022-10-16 14:41:38,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:38,602 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 125 transitions. [2022-10-16 14:41:38,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-16 14:41:38,604 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:38,605 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:38,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 14:41:38,605 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:41:38,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:38,606 INFO L85 PathProgramCache]: Analyzing trace with hash -1451468471, now seen corresponding path program 1 times [2022-10-16 14:41:38,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:38,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422911198] [2022-10-16 14:41:38,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:38,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:38,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:38,740 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 14:41:38,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:38,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422911198] [2022-10-16 14:41:38,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422911198] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:41:38,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288064206] [2022-10-16 14:41:38,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:38,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:41:38,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:41:38,743 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:41:38,765 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 14:41:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:38,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-16 14:41:38,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:41:38,921 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 14:41:38,921 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:41:39,045 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 14:41:39,046 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [288064206] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:41:39,049 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:41:39,049 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-10-16 14:41:39,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402740009] [2022-10-16 14:41:39,050 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:41:39,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-10-16 14:41:39,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:39,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-10-16 14:41:39,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-10-16 14:41:39,052 INFO L87 Difference]: Start difference. First operand 111 states and 125 transitions. Second operand has 18 states, 18 states have (on average 2.4444444444444446) internal successors, (44), 18 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:39,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:39,197 INFO L93 Difference]: Finished difference Result 223 states and 254 transitions. [2022-10-16 14:41:39,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 14:41:39,198 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.4444444444444446) internal successors, (44), 18 states have internal predecessors, (44), 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 26 [2022-10-16 14:41:39,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:39,199 INFO L225 Difference]: With dead ends: 223 [2022-10-16 14:41:39,199 INFO L226 Difference]: Without dead ends: 127 [2022-10-16 14:41:39,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=171, Invalid=381, Unknown=0, NotChecked=0, Total=552 [2022-10-16 14:41:39,201 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 27 mSDsluCounter, 555 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 649 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:39,202 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 649 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:41:39,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2022-10-16 14:41:39,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2022-10-16 14:41:39,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 100 states have (on average 1.41) internal successors, (141), 126 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:39,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 141 transitions. [2022-10-16 14:41:39,213 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 141 transitions. Word has length 26 [2022-10-16 14:41:39,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:39,213 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 141 transitions. [2022-10-16 14:41:39,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.4444444444444446) internal successors, (44), 18 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:39,214 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 141 transitions. [2022-10-16 14:41:39,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-16 14:41:39,215 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:39,215 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:39,252 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-10-16 14:41:39,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:41:39,429 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:41:39,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:39,431 INFO L85 PathProgramCache]: Analyzing trace with hash -1200037543, now seen corresponding path program 2 times [2022-10-16 14:41:39,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:39,431 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316411350] [2022-10-16 14:41:39,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:39,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:39,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:39,728 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 14:41:39,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:39,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316411350] [2022-10-16 14:41:39,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316411350] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:41:39,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [809363251] [2022-10-16 14:41:39,730 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:41:39,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:41:39,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:41:39,731 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:41:39,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 14:41:39,813 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 14:41:39,813 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:41:39,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-16 14:41:39,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:41:39,931 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 14:41:39,931 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:41:40,104 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 14:41:40,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [809363251] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:41:40,105 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:41:40,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 19 [2022-10-16 14:41:40,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943215409] [2022-10-16 14:41:40,106 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:41:40,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-10-16 14:41:40,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:40,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-10-16 14:41:40,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2022-10-16 14:41:40,108 INFO L87 Difference]: Start difference. First operand 127 states and 141 transitions. Second operand has 19 states, 19 states have (on average 2.4210526315789473) internal successors, (46), 19 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:40,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:40,239 INFO L93 Difference]: Finished difference Result 227 states and 255 transitions. [2022-10-16 14:41:40,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 14:41:40,239 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.4210526315789473) internal successors, (46), 19 states have internal predecessors, (46), 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 42 [2022-10-16 14:41:40,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:40,241 INFO L225 Difference]: With dead ends: 227 [2022-10-16 14:41:40,241 INFO L226 Difference]: Without dead ends: 131 [2022-10-16 14:41:40,242 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 67 SyntacticMatches, 15 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=199, Invalid=451, Unknown=0, NotChecked=0, Total=650 [2022-10-16 14:41:40,243 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 40 mSDsluCounter, 648 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 742 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:40,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 742 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:41:40,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2022-10-16 14:41:40,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2022-10-16 14:41:40,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 104 states have (on average 1.3942307692307692) internal successors, (145), 130 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:40,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 145 transitions. [2022-10-16 14:41:40,251 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 145 transitions. Word has length 42 [2022-10-16 14:41:40,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:40,251 INFO L495 AbstractCegarLoop]: Abstraction has 131 states and 145 transitions. [2022-10-16 14:41:40,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.4210526315789473) internal successors, (46), 19 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:40,252 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 145 transitions. [2022-10-16 14:41:40,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-16 14:41:40,253 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:40,253 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:40,297 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-16 14:41:40,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:41:40,469 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:41:40,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:40,470 INFO L85 PathProgramCache]: Analyzing trace with hash -225726883, now seen corresponding path program 3 times [2022-10-16 14:41:40,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:40,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613014156] [2022-10-16 14:41:40,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:40,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:40,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:40,576 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:41:40,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:40,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613014156] [2022-10-16 14:41:40,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613014156] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:41:40,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2108849618] [2022-10-16 14:41:40,577 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-10-16 14:41:40,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:41:40,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:41:40,578 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:41:40,600 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 14:41:40,647 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-10-16 14:41:40,648 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:41:40,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 14:41:40,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:41:40,674 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:41:40,675 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:41:40,715 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:41:40,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2108849618] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:41:40,715 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:41:40,716 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 9 [2022-10-16 14:41:40,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416205040] [2022-10-16 14:41:40,716 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:41:40,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-10-16 14:41:40,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:40,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-10-16 14:41:40,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-10-16 14:41:40,718 INFO L87 Difference]: Start difference. First operand 131 states and 145 transitions. Second operand has 10 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 10 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:40,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:40,840 INFO L93 Difference]: Finished difference Result 400 states and 458 transitions. [2022-10-16 14:41:40,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 14:41:40,841 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 10 states have internal predecessors, (29), 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 46 [2022-10-16 14:41:40,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:40,843 INFO L225 Difference]: With dead ends: 400 [2022-10-16 14:41:40,843 INFO L226 Difference]: Without dead ends: 397 [2022-10-16 14:41:40,844 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2022-10-16 14:41:40,845 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 339 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 339 SdHoareTripleChecker+Valid, 691 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:40,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [339 Valid, 691 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:41:40,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2022-10-16 14:41:40,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 323. [2022-10-16 14:41:40,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 296 states have (on average 1.5) internal successors, (444), 322 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:40,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 444 transitions. [2022-10-16 14:41:40,865 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 444 transitions. Word has length 46 [2022-10-16 14:41:40,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:40,865 INFO L495 AbstractCegarLoop]: Abstraction has 323 states and 444 transitions. [2022-10-16 14:41:40,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 10 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:40,866 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 444 transitions. [2022-10-16 14:41:40,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-16 14:41:40,869 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:40,869 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:40,902 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-16 14:41:41,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-10-16 14:41:41,085 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:41:41,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:41,087 INFO L85 PathProgramCache]: Analyzing trace with hash 931571741, now seen corresponding path program 1 times [2022-10-16 14:41:41,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:41,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069180371] [2022-10-16 14:41:41,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:41,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:41,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:41,150 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:41:41,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:41,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069180371] [2022-10-16 14:41:41,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069180371] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:41:41,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:41:41,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:41:41,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764313430] [2022-10-16 14:41:41,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:41:41,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 14:41:41,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:41,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 14:41:41,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:41:41,156 INFO L87 Difference]: Start difference. First operand 323 states and 444 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:41,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:41,189 INFO L93 Difference]: Finished difference Result 562 states and 794 transitions. [2022-10-16 14:41:41,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 14:41:41,190 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 47 [2022-10-16 14:41:41,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:41,200 INFO L225 Difference]: With dead ends: 562 [2022-10-16 14:41:41,200 INFO L226 Difference]: Without dead ends: 331 [2022-10-16 14:41:41,202 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:41:41,203 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 0 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:41,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 189 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:41:41,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2022-10-16 14:41:41,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 331. [2022-10-16 14:41:41,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 304 states have (on average 1.486842105263158) internal successors, (452), 330 states have internal predecessors, (452), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:41,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 452 transitions. [2022-10-16 14:41:41,220 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 452 transitions. Word has length 47 [2022-10-16 14:41:41,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:41,221 INFO L495 AbstractCegarLoop]: Abstraction has 331 states and 452 transitions. [2022-10-16 14:41:41,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:41,221 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 452 transitions. [2022-10-16 14:41:41,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-16 14:41:41,224 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:41,225 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:41,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 14:41:41,225 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:41:41,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:41,226 INFO L85 PathProgramCache]: Analyzing trace with hash 933418783, now seen corresponding path program 1 times [2022-10-16 14:41:41,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:41,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225611225] [2022-10-16 14:41:41,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:41,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:41,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:41,317 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:41:41,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:41,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225611225] [2022-10-16 14:41:41,318 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225611225] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:41:41,318 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:41:41,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:41:41,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428578400] [2022-10-16 14:41:41,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:41:41,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:41:41,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:41,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:41:41,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:41:41,321 INFO L87 Difference]: Start difference. First operand 331 states and 452 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:41,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:41,446 INFO L93 Difference]: Finished difference Result 519 states and 729 transitions. [2022-10-16 14:41:41,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:41:41,447 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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 47 [2022-10-16 14:41:41,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:41,451 INFO L225 Difference]: With dead ends: 519 [2022-10-16 14:41:41,451 INFO L226 Difference]: Without dead ends: 517 [2022-10-16 14:41:41,451 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:41:41,452 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 75 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:41,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 165 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:41:41,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2022-10-16 14:41:41,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 347. [2022-10-16 14:41:41,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 320 states have (on average 1.475) internal successors, (472), 346 states have internal predecessors, (472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:41,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 472 transitions. [2022-10-16 14:41:41,471 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 472 transitions. Word has length 47 [2022-10-16 14:41:41,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:41,471 INFO L495 AbstractCegarLoop]: Abstraction has 347 states and 472 transitions. [2022-10-16 14:41:41,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:41,471 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 472 transitions. [2022-10-16 14:41:41,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-16 14:41:41,472 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:41,473 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:41,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 14:41:41,473 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:41:41,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:41,474 INFO L85 PathProgramCache]: Analyzing trace with hash -28804056, now seen corresponding path program 1 times [2022-10-16 14:41:41,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:41,474 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445095066] [2022-10-16 14:41:41,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:41,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:41,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:41,602 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:41:41,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:41,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445095066] [2022-10-16 14:41:41,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445095066] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:41:41,603 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1844299161] [2022-10-16 14:41:41,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:41,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:41:41,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:41:41,604 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:41:41,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-16 14:41:41,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:41,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 14:41:41,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:41:41,734 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:41:41,734 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:41:41,793 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:41:41,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1844299161] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:41:41,794 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:41:41,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-10-16 14:41:41,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613710292] [2022-10-16 14:41:41,795 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:41:41,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 14:41:41,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:41,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 14:41:41,796 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-10-16 14:41:41,797 INFO L87 Difference]: Start difference. First operand 347 states and 472 transitions. Second operand has 12 states, 11 states have (on average 4.363636363636363) internal successors, (48), 12 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:42,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:42,192 INFO L93 Difference]: Finished difference Result 1154 states and 1672 transitions. [2022-10-16 14:41:42,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 14:41:42,192 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.363636363636363) internal successors, (48), 12 states have internal predecessors, (48), 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 50 [2022-10-16 14:41:42,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:42,199 INFO L225 Difference]: With dead ends: 1154 [2022-10-16 14:41:42,199 INFO L226 Difference]: Without dead ends: 1153 [2022-10-16 14:41:42,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2022-10-16 14:41:42,201 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 464 mSDsluCounter, 347 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 464 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 392 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:42,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [464 Valid, 403 Invalid, 392 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 14:41:42,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1153 states. [2022-10-16 14:41:42,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1153 to 415. [2022-10-16 14:41:42,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 388 states have (on average 1.4742268041237114) internal successors, (572), 414 states have internal predecessors, (572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:42,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 572 transitions. [2022-10-16 14:41:42,227 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 572 transitions. Word has length 50 [2022-10-16 14:41:42,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:42,230 INFO L495 AbstractCegarLoop]: Abstraction has 415 states and 572 transitions. [2022-10-16 14:41:42,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.363636363636363) internal successors, (48), 12 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:42,230 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 572 transitions. [2022-10-16 14:41:42,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-16 14:41:42,231 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:42,231 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:42,267 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-16 14:41:42,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:41:42,447 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:41:42,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:42,448 INFO L85 PathProgramCache]: Analyzing trace with hash -892925650, now seen corresponding path program 1 times [2022-10-16 14:41:42,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:42,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722851229] [2022-10-16 14:41:42,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:42,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:42,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:42,559 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:41:42,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:42,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722851229] [2022-10-16 14:41:42,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722851229] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:41:42,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1162059356] [2022-10-16 14:41:42,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:42,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:41:42,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:41:42,567 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:41:42,591 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-16 14:41:42,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:42,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 14:41:42,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:41:42,688 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:41:42,688 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:41:42,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1162059356] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:41:42,688 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:41:42,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2022-10-16 14:41:42,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331749683] [2022-10-16 14:41:42,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:41:42,689 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:41:42,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:42,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:41:42,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:41:42,690 INFO L87 Difference]: Start difference. First operand 415 states and 572 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:42,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:42,764 INFO L93 Difference]: Finished difference Result 415 states and 572 transitions. [2022-10-16 14:41:42,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:41:42,765 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 51 [2022-10-16 14:41:42,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:42,767 INFO L225 Difference]: With dead ends: 415 [2022-10-16 14:41:42,767 INFO L226 Difference]: Without dead ends: 414 [2022-10-16 14:41:42,768 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:41:42,769 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 85 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:42,769 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 116 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:41:42,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2022-10-16 14:41:42,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 414. [2022-10-16 14:41:42,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 388 states have (on average 1.443298969072165) internal successors, (560), 413 states have internal predecessors, (560), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:42,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 560 transitions. [2022-10-16 14:41:42,789 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 560 transitions. Word has length 51 [2022-10-16 14:41:42,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:42,789 INFO L495 AbstractCegarLoop]: Abstraction has 414 states and 560 transitions. [2022-10-16 14:41:42,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:42,790 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 560 transitions. [2022-10-16 14:41:42,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-16 14:41:42,790 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:42,790 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:42,833 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-10-16 14:41:43,004 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:41:43,005 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:41:43,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:43,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1909097836, now seen corresponding path program 1 times [2022-10-16 14:41:43,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:43,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189039883] [2022-10-16 14:41:43,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:43,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:43,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:43,136 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:41:43,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:43,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189039883] [2022-10-16 14:41:43,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189039883] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:41:43,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [701289398] [2022-10-16 14:41:43,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:43,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:41:43,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:41:43,138 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:41:43,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-16 14:41:43,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:43,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 14:41:43,231 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:41:43,263 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:41:43,264 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:41:43,311 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:41:43,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [701289398] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:41:43,311 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:41:43,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-10-16 14:41:43,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254955595] [2022-10-16 14:41:43,312 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:41:43,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 14:41:43,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:43,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 14:41:43,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-10-16 14:41:43,313 INFO L87 Difference]: Start difference. First operand 414 states and 560 transitions. Second operand has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 12 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:43,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:43,703 INFO L93 Difference]: Finished difference Result 1126 states and 1612 transitions. [2022-10-16 14:41:43,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 14:41:43,704 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 12 states have internal predecessors, (52), 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 52 [2022-10-16 14:41:43,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:43,709 INFO L225 Difference]: With dead ends: 1126 [2022-10-16 14:41:43,710 INFO L226 Difference]: Without dead ends: 1125 [2022-10-16 14:41:43,712 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2022-10-16 14:41:43,713 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 436 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 436 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:43,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [436 Valid, 421 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 14:41:43,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1125 states. [2022-10-16 14:41:43,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1125 to 426. [2022-10-16 14:41:43,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 400 states have (on average 1.44) internal successors, (576), 425 states have internal predecessors, (576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:43,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 576 transitions. [2022-10-16 14:41:43,744 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 576 transitions. Word has length 52 [2022-10-16 14:41:43,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:43,744 INFO L495 AbstractCegarLoop]: Abstraction has 426 states and 576 transitions. [2022-10-16 14:41:43,744 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.7272727272727275) internal successors, (52), 12 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:43,745 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 576 transitions. [2022-10-16 14:41:43,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-16 14:41:43,745 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:43,745 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:43,784 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-10-16 14:41:43,960 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-10-16 14:41:43,961 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:41:43,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:43,962 INFO L85 PathProgramCache]: Analyzing trace with hash -1548352746, now seen corresponding path program 1 times [2022-10-16 14:41:43,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:43,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451344940] [2022-10-16 14:41:43,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:43,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:43,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:44,050 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:41:44,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:44,050 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451344940] [2022-10-16 14:41:44,050 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451344940] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:41:44,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:41:44,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 14:41:44,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519899020] [2022-10-16 14:41:44,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:41:44,051 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 14:41:44,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:44,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 14:41:44,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:41:44,056 INFO L87 Difference]: Start difference. First operand 426 states and 576 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:44,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:44,085 INFO L93 Difference]: Finished difference Result 657 states and 909 transitions. [2022-10-16 14:41:44,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 14:41:44,086 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-10-16 14:41:44,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:44,088 INFO L225 Difference]: With dead ends: 657 [2022-10-16 14:41:44,088 INFO L226 Difference]: Without dead ends: 430 [2022-10-16 14:41:44,089 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:41:44,090 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 0 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:44,090 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 186 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:41:44,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2022-10-16 14:41:44,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 430. [2022-10-16 14:41:44,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 404 states have (on average 1.4356435643564356) internal successors, (580), 429 states have internal predecessors, (580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:44,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 580 transitions. [2022-10-16 14:41:44,113 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 580 transitions. Word has length 52 [2022-10-16 14:41:44,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:44,113 INFO L495 AbstractCegarLoop]: Abstraction has 430 states and 580 transitions. [2022-10-16 14:41:44,113 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:44,114 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 580 transitions. [2022-10-16 14:41:44,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-16 14:41:44,114 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:44,114 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:44,114 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 14:41:44,115 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:41:44,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:44,115 INFO L85 PathProgramCache]: Analyzing trace with hash 947509325, now seen corresponding path program 1 times [2022-10-16 14:41:44,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:44,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525137179] [2022-10-16 14:41:44,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:44,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:44,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:44,231 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:41:44,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:44,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525137179] [2022-10-16 14:41:44,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525137179] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:41:44,232 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1864958882] [2022-10-16 14:41:44,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:44,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:41:44,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:41:44,233 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:41:44,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-10-16 14:41:44,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:44,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-16 14:41:44,327 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:41:44,351 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:41:44,351 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:41:44,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1864958882] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:41:44,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:41:44,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2022-10-16 14:41:44,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111039797] [2022-10-16 14:41:44,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:41:44,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:41:44,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:44,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:41:44,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-10-16 14:41:44,353 INFO L87 Difference]: Start difference. First operand 430 states and 580 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:44,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:44,454 INFO L93 Difference]: Finished difference Result 430 states and 580 transitions. [2022-10-16 14:41:44,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:41:44,455 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 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 53 [2022-10-16 14:41:44,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:44,457 INFO L225 Difference]: With dead ends: 430 [2022-10-16 14:41:44,458 INFO L226 Difference]: Without dead ends: 429 [2022-10-16 14:41:44,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:41:44,459 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 82 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:44,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 114 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:41:44,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2022-10-16 14:41:44,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 413. [2022-10-16 14:41:44,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 388 states have (on average 1.4329896907216495) internal successors, (556), 412 states have internal predecessors, (556), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:44,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 556 transitions. [2022-10-16 14:41:44,486 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 556 transitions. Word has length 53 [2022-10-16 14:41:44,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:44,486 INFO L495 AbstractCegarLoop]: Abstraction has 413 states and 556 transitions. [2022-10-16 14:41:44,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:44,487 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 556 transitions. [2022-10-16 14:41:44,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-16 14:41:44,487 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:44,487 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:44,529 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-10-16 14:41:44,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-10-16 14:41:44,703 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:41:44,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:44,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1916979215, now seen corresponding path program 1 times [2022-10-16 14:41:44,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:44,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124124984] [2022-10-16 14:41:44,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:44,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:44,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:44,833 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:41:44,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:44,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124124984] [2022-10-16 14:41:44,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124124984] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:41:44,834 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:41:44,834 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-10-16 14:41:44,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [257732456] [2022-10-16 14:41:44,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:41:44,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:41:44,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:44,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:41:44,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:41:44,836 INFO L87 Difference]: Start difference. First operand 413 states and 556 transitions. Second operand has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:45,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:45,043 INFO L93 Difference]: Finished difference Result 763 states and 994 transitions. [2022-10-16 14:41:45,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 14:41:45,044 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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 54 [2022-10-16 14:41:45,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:45,046 INFO L225 Difference]: With dead ends: 763 [2022-10-16 14:41:45,047 INFO L226 Difference]: Without dead ends: 533 [2022-10-16 14:41:45,047 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-10-16 14:41:45,048 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 215 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 262 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:45,048 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 295 Invalid, 262 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 14:41:45,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 533 states. [2022-10-16 14:41:45,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 533 to 408. [2022-10-16 14:41:45,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 383 states have (on average 1.4255874673629243) internal successors, (546), 407 states have internal predecessors, (546), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:45,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 546 transitions. [2022-10-16 14:41:45,071 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 546 transitions. Word has length 54 [2022-10-16 14:41:45,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:45,071 INFO L495 AbstractCegarLoop]: Abstraction has 408 states and 546 transitions. [2022-10-16 14:41:45,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:45,071 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 546 transitions. [2022-10-16 14:41:45,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-16 14:41:45,072 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:45,072 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:45,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 14:41:45,072 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:41:45,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:45,073 INFO L85 PathProgramCache]: Analyzing trace with hash 970571886, now seen corresponding path program 1 times [2022-10-16 14:41:45,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:45,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983059016] [2022-10-16 14:41:45,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:45,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:45,171 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:41:45,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:45,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983059016] [2022-10-16 14:41:45,172 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [983059016] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:41:45,172 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:41:45,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 14:41:45,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667193181] [2022-10-16 14:41:45,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:41:45,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:41:45,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:45,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:41:45,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:41:45,174 INFO L87 Difference]: Start difference. First operand 408 states and 546 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:45,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:45,303 INFO L93 Difference]: Finished difference Result 770 states and 1047 transitions. [2022-10-16 14:41:45,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 14:41:45,304 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2022-10-16 14:41:45,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:45,307 INFO L225 Difference]: With dead ends: 770 [2022-10-16 14:41:45,307 INFO L226 Difference]: Without dead ends: 550 [2022-10-16 14:41:45,308 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:41:45,308 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 74 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:45,309 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 204 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:41:45,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2022-10-16 14:41:45,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 415. [2022-10-16 14:41:45,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 390 states have (on average 1.4076923076923078) internal successors, (549), 414 states have internal predecessors, (549), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:45,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 549 transitions. [2022-10-16 14:41:45,335 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 549 transitions. Word has length 55 [2022-10-16 14:41:45,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:45,335 INFO L495 AbstractCegarLoop]: Abstraction has 415 states and 549 transitions. [2022-10-16 14:41:45,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:45,335 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 549 transitions. [2022-10-16 14:41:45,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-16 14:41:45,336 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:45,336 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:45,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 14:41:45,337 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:41:45,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:45,337 INFO L85 PathProgramCache]: Analyzing trace with hash 23023146, now seen corresponding path program 1 times [2022-10-16 14:41:45,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:45,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512240859] [2022-10-16 14:41:45,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:45,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:45,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:45,444 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:41:45,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:45,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512240859] [2022-10-16 14:41:45,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512240859] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:41:45,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:41:45,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 14:41:45,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311036472] [2022-10-16 14:41:45,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:41:45,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:41:45,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:45,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:41:45,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:41:45,446 INFO L87 Difference]: Start difference. First operand 415 states and 549 transitions. Second operand has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:45,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:45,612 INFO L93 Difference]: Finished difference Result 630 states and 848 transitions. [2022-10-16 14:41:45,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 14:41:45,612 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 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 [2022-10-16 14:41:45,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:45,616 INFO L225 Difference]: With dead ends: 630 [2022-10-16 14:41:45,616 INFO L226 Difference]: Without dead ends: 622 [2022-10-16 14:41:45,616 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:41:45,617 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 140 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:45,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 163 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:41:45,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2022-10-16 14:41:45,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 580. [2022-10-16 14:41:45,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 580 states, 555 states have (on average 1.4108108108108108) internal successors, (783), 579 states have internal predecessors, (783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:45,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 580 states and 783 transitions. [2022-10-16 14:41:45,686 INFO L78 Accepts]: Start accepts. Automaton has 580 states and 783 transitions. Word has length 56 [2022-10-16 14:41:45,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:45,687 INFO L495 AbstractCegarLoop]: Abstraction has 580 states and 783 transitions. [2022-10-16 14:41:45,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:45,687 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 783 transitions. [2022-10-16 14:41:45,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-16 14:41:45,688 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:45,688 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:45,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 14:41:45,688 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:41:45,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:45,689 INFO L85 PathProgramCache]: Analyzing trace with hash 713717684, now seen corresponding path program 1 times [2022-10-16 14:41:45,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:45,689 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485435462] [2022-10-16 14:41:45,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:45,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:45,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:45,743 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:41:45,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:45,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [485435462] [2022-10-16 14:41:45,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [485435462] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:41:45,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:41:45,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 14:41:45,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930718658] [2022-10-16 14:41:45,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:41:45,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 14:41:45,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:45,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 14:41:45,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:41:45,746 INFO L87 Difference]: Start difference. First operand 580 states and 783 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:45,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:45,820 INFO L93 Difference]: Finished difference Result 580 states and 783 transitions. [2022-10-16 14:41:45,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 14:41:45,821 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 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 57 [2022-10-16 14:41:45,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:45,824 INFO L225 Difference]: With dead ends: 580 [2022-10-16 14:41:45,824 INFO L226 Difference]: Without dead ends: 572 [2022-10-16 14:41:45,824 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 14:41:45,825 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 29 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:45,826 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 101 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:41:45,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2022-10-16 14:41:45,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 572. [2022-10-16 14:41:45,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 572 states, 555 states have (on average 1.2972972972972974) internal successors, (720), 571 states have internal predecessors, (720), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:45,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 572 states and 720 transitions. [2022-10-16 14:41:45,857 INFO L78 Accepts]: Start accepts. Automaton has 572 states and 720 transitions. Word has length 57 [2022-10-16 14:41:45,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:45,857 INFO L495 AbstractCegarLoop]: Abstraction has 572 states and 720 transitions. [2022-10-16 14:41:45,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:45,857 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 720 transitions. [2022-10-16 14:41:45,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-16 14:41:45,858 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:45,858 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:45,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 14:41:45,859 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:41:45,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:45,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1139533574, now seen corresponding path program 1 times [2022-10-16 14:41:45,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:45,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187474347] [2022-10-16 14:41:45,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:45,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:45,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:45,996 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:41:45,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:45,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187474347] [2022-10-16 14:41:45,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187474347] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:41:45,997 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:41:45,997 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 14:41:45,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250103507] [2022-10-16 14:41:45,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:41:45,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:41:45,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:45,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:41:45,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:41:45,998 INFO L87 Difference]: Start difference. First operand 572 states and 720 transitions. Second operand has 7 states, 6 states have (on average 5.0) internal successors, (30), 7 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:46,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:46,238 INFO L93 Difference]: Finished difference Result 968 states and 1210 transitions. [2022-10-16 14:41:46,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 14:41:46,240 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 7 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-10-16 14:41:46,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:46,244 INFO L225 Difference]: With dead ends: 968 [2022-10-16 14:41:46,244 INFO L226 Difference]: Without dead ends: 725 [2022-10-16 14:41:46,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-10-16 14:41:46,245 INFO L413 NwaCegarLoop]: 88 mSDtfsCounter, 177 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 311 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:46,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [177 Valid, 330 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 311 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 14:41:46,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 725 states. [2022-10-16 14:41:46,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 725 to 605. [2022-10-16 14:41:46,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 605 states, 588 states have (on average 1.3010204081632653) internal successors, (765), 604 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:46,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 765 transitions. [2022-10-16 14:41:46,278 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 765 transitions. Word has length 58 [2022-10-16 14:41:46,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:46,278 INFO L495 AbstractCegarLoop]: Abstraction has 605 states and 765 transitions. [2022-10-16 14:41:46,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.0) internal successors, (30), 7 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:46,279 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 765 transitions. [2022-10-16 14:41:46,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-16 14:41:46,280 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:46,280 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:46,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 14:41:46,280 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:41:46,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:46,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1470414421, now seen corresponding path program 1 times [2022-10-16 14:41:46,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:46,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619726534] [2022-10-16 14:41:46,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:46,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:46,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:46,422 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:41:46,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:46,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619726534] [2022-10-16 14:41:46,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619726534] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:41:46,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1834696651] [2022-10-16 14:41:46,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:46,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:41:46,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:41:46,424 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:41:46,438 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-10-16 14:41:46,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:46,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-16 14:41:46,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:41:46,675 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:41:46,675 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:41:46,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1834696651] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:41:46,676 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:41:46,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 11 [2022-10-16 14:41:46,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333537307] [2022-10-16 14:41:46,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:41:46,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:41:46,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:46,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:41:46,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-10-16 14:41:46,678 INFO L87 Difference]: Start difference. First operand 605 states and 765 transitions. Second operand has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:46,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:46,976 INFO L93 Difference]: Finished difference Result 662 states and 822 transitions. [2022-10-16 14:41:46,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 14:41:46,976 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 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 61 [2022-10-16 14:41:46,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:46,981 INFO L225 Difference]: With dead ends: 662 [2022-10-16 14:41:46,982 INFO L226 Difference]: Without dead ends: 658 [2022-10-16 14:41:46,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-10-16 14:41:46,983 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 129 mSDsluCounter, 255 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:46,987 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 306 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 14:41:46,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2022-10-16 14:41:47,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 605. [2022-10-16 14:41:47,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 605 states, 588 states have (on average 1.2942176870748299) internal successors, (761), 604 states have internal predecessors, (761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:47,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 605 states and 761 transitions. [2022-10-16 14:41:47,040 INFO L78 Accepts]: Start accepts. Automaton has 605 states and 761 transitions. Word has length 61 [2022-10-16 14:41:47,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:47,041 INFO L495 AbstractCegarLoop]: Abstraction has 605 states and 761 transitions. [2022-10-16 14:41:47,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.5) internal successors, (33), 7 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:47,041 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 761 transitions. [2022-10-16 14:41:47,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-16 14:41:47,042 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:47,043 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:47,103 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2022-10-16 14:41:47,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-10-16 14:41:47,256 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:41:47,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:47,257 INFO L85 PathProgramCache]: Analyzing trace with hash -2055057857, now seen corresponding path program 1 times [2022-10-16 14:41:47,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:47,258 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63085161] [2022-10-16 14:41:47,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:47,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:47,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:47,501 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:41:47,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:47,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63085161] [2022-10-16 14:41:47,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63085161] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:41:47,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1930753143] [2022-10-16 14:41:47,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:47,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:41:47,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:41:47,504 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:41:47,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-10-16 14:41:47,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:47,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-16 14:41:47,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:41:47,666 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:41:47,666 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:41:47,723 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:41:47,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1930753143] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:41:47,723 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:41:47,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 9 [2022-10-16 14:41:47,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377837508] [2022-10-16 14:41:47,724 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:41:47,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 14:41:47,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:47,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 14:41:47,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-10-16 14:41:47,725 INFO L87 Difference]: Start difference. First operand 605 states and 761 transitions. Second operand has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:47,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:47,983 INFO L93 Difference]: Finished difference Result 843 states and 1029 transitions. [2022-10-16 14:41:47,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-10-16 14:41:47,983 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 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 61 [2022-10-16 14:41:47,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:47,986 INFO L225 Difference]: With dead ends: 843 [2022-10-16 14:41:47,987 INFO L226 Difference]: Without dead ends: 613 [2022-10-16 14:41:47,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 116 SyntacticMatches, 6 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2022-10-16 14:41:47,989 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 251 mSDsluCounter, 360 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:47,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 410 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 14:41:47,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 613 states. [2022-10-16 14:41:48,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 613 to 569. [2022-10-16 14:41:48,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 569 states, 552 states have (on average 1.2681159420289856) internal successors, (700), 568 states have internal predecessors, (700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:48,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 700 transitions. [2022-10-16 14:41:48,027 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 700 transitions. Word has length 61 [2022-10-16 14:41:48,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:48,027 INFO L495 AbstractCegarLoop]: Abstraction has 569 states and 700 transitions. [2022-10-16 14:41:48,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.6666666666666665) internal successors, (33), 9 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:48,027 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 700 transitions. [2022-10-16 14:41:48,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-16 14:41:48,028 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:48,028 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:48,070 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-10-16 14:41:48,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-10-16 14:41:48,243 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:41:48,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:48,244 INFO L85 PathProgramCache]: Analyzing trace with hash -488616588, now seen corresponding path program 2 times [2022-10-16 14:41:48,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:48,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876250531] [2022-10-16 14:41:48,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:48,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:48,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:48,458 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:41:48,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:48,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876250531] [2022-10-16 14:41:48,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876250531] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:41:48,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1759442143] [2022-10-16 14:41:48,459 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:41:48,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:41:48,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:41:48,461 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:41:48,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-10-16 14:41:48,563 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 14:41:48,564 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:41:48,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-16 14:41:48,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:41:48,623 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:41:48,624 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:41:48,745 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:41:48,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1759442143] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:41:48,745 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:41:48,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2022-10-16 14:41:48,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095987490] [2022-10-16 14:41:48,746 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:41:48,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-10-16 14:41:48,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:48,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-10-16 14:41:48,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2022-10-16 14:41:48,748 INFO L87 Difference]: Start difference. First operand 569 states and 700 transitions. Second operand has 20 states, 19 states have (on average 3.789473684210526) internal successors, (72), 20 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:49,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:49,387 INFO L93 Difference]: Finished difference Result 1851 states and 2281 transitions. [2022-10-16 14:41:49,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-10-16 14:41:49,387 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 3.789473684210526) internal successors, (72), 20 states have internal predecessors, (72), 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 62 [2022-10-16 14:41:49,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:49,396 INFO L225 Difference]: With dead ends: 1851 [2022-10-16 14:41:49,397 INFO L226 Difference]: Without dead ends: 1849 [2022-10-16 14:41:49,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=255, Invalid=801, Unknown=0, NotChecked=0, Total=1056 [2022-10-16 14:41:49,399 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 932 mSDsluCounter, 649 mSDsCounter, 0 mSdLazyCounter, 593 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 932 SdHoareTripleChecker+Valid, 702 SdHoareTripleChecker+Invalid, 607 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:49,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [932 Valid, 702 Invalid, 607 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 593 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 14:41:49,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1849 states. [2022-10-16 14:41:49,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1849 to 633. [2022-10-16 14:41:49,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 633 states, 616 states have (on average 1.2792207792207793) internal successors, (788), 632 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:49,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 788 transitions. [2022-10-16 14:41:49,461 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 788 transitions. Word has length 62 [2022-10-16 14:41:49,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:49,462 INFO L495 AbstractCegarLoop]: Abstraction has 633 states and 788 transitions. [2022-10-16 14:41:49,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 3.789473684210526) internal successors, (72), 20 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:49,462 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 788 transitions. [2022-10-16 14:41:49,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 14:41:49,463 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:49,464 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:49,504 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-10-16 14:41:49,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-10-16 14:41:49,677 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:41:49,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:49,678 INFO L85 PathProgramCache]: Analyzing trace with hash 24023255, now seen corresponding path program 1 times [2022-10-16 14:41:49,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:49,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584644813] [2022-10-16 14:41:49,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:49,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:49,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:49,823 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:41:49,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:49,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584644813] [2022-10-16 14:41:49,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584644813] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:41:49,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [11460162] [2022-10-16 14:41:49,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:49,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:41:49,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:41:49,827 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:41:49,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-10-16 14:41:49,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:49,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 14:41:49,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:41:50,036 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:41:50,036 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:41:50,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [11460162] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:41:50,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:41:50,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2022-10-16 14:41:50,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123531699] [2022-10-16 14:41:50,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:41:50,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:41:50,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:50,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:41:50,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-10-16 14:41:50,039 INFO L87 Difference]: Start difference. First operand 633 states and 788 transitions. Second operand has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:50,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:50,298 INFO L93 Difference]: Finished difference Result 932 states and 1148 transitions. [2022-10-16 14:41:50,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 14:41:50,299 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 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 63 [2022-10-16 14:41:50,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:50,304 INFO L225 Difference]: With dead ends: 932 [2022-10-16 14:41:50,304 INFO L226 Difference]: Without dead ends: 924 [2022-10-16 14:41:50,305 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2022-10-16 14:41:50,305 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 309 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:50,306 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 289 Invalid, 267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 14:41:50,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 924 states. [2022-10-16 14:41:50,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 924 to 677. [2022-10-16 14:41:50,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 677 states, 660 states have (on average 1.2954545454545454) internal successors, (855), 676 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:50,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 855 transitions. [2022-10-16 14:41:50,364 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 855 transitions. Word has length 63 [2022-10-16 14:41:50,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:50,364 INFO L495 AbstractCegarLoop]: Abstraction has 677 states and 855 transitions. [2022-10-16 14:41:50,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 5.833333333333333) internal successors, (35), 7 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:50,365 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 855 transitions. [2022-10-16 14:41:50,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 14:41:50,366 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:50,367 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:50,417 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-10-16 14:41:50,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-10-16 14:41:50,582 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:41:50,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:50,583 INFO L85 PathProgramCache]: Analyzing trace with hash -788941837, now seen corresponding path program 1 times [2022-10-16 14:41:50,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:50,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853060993] [2022-10-16 14:41:50,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:50,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:50,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:50,761 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:41:50,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:50,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853060993] [2022-10-16 14:41:50,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853060993] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:41:50,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141065705] [2022-10-16 14:41:50,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:50,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:41:50,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:41:50,772 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:41:50,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-10-16 14:41:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:50,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-16 14:41:50,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:41:51,022 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:41:51,022 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:41:51,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1141065705] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:41:51,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:41:51,023 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 15 [2022-10-16 14:41:51,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866240474] [2022-10-16 14:41:51,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:41:51,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 14:41:51,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:51,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 14:41:51,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2022-10-16 14:41:51,025 INFO L87 Difference]: Start difference. First operand 677 states and 855 transitions. Second operand has 9 states, 8 states have (on average 4.625) internal successors, (37), 9 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:51,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:51,336 INFO L93 Difference]: Finished difference Result 718 states and 888 transitions. [2022-10-16 14:41:51,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 14:41:51,337 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.625) internal successors, (37), 9 states have internal predecessors, (37), 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 65 [2022-10-16 14:41:51,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:51,341 INFO L225 Difference]: With dead ends: 718 [2022-10-16 14:41:51,341 INFO L226 Difference]: Without dead ends: 714 [2022-10-16 14:41:51,342 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=315, Unknown=0, NotChecked=0, Total=380 [2022-10-16 14:41:51,342 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 204 mSDsluCounter, 325 mSDsCounter, 0 mSdLazyCounter, 299 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 299 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:51,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 379 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 299 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 14:41:51,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 714 states. [2022-10-16 14:41:51,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 714 to 649. [2022-10-16 14:41:51,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 649 states, 632 states have (on average 1.3022151898734178) internal successors, (823), 648 states have internal predecessors, (823), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:51,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 823 transitions. [2022-10-16 14:41:51,381 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 823 transitions. Word has length 65 [2022-10-16 14:41:51,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:51,381 INFO L495 AbstractCegarLoop]: Abstraction has 649 states and 823 transitions. [2022-10-16 14:41:51,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.625) internal successors, (37), 9 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:51,382 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 823 transitions. [2022-10-16 14:41:51,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-16 14:41:51,383 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:51,383 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:51,424 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-10-16 14:41:51,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:41:51,596 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:41:51,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:51,597 INFO L85 PathProgramCache]: Analyzing trace with hash -1787462037, now seen corresponding path program 4 times [2022-10-16 14:41:51,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:51,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117065832] [2022-10-16 14:41:51,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:51,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:51,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:51,790 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:41:51,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:51,790 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117065832] [2022-10-16 14:41:51,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117065832] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:41:51,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2100913983] [2022-10-16 14:41:51,794 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-10-16 14:41:51,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:41:51,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:41:51,795 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:41:51,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-10-16 14:41:51,898 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-10-16 14:41:51,898 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:41:51,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-16 14:41:51,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:41:51,942 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:41:51,942 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:41:52,083 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:41:52,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2100913983] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:41:52,084 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:41:52,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 21 [2022-10-16 14:41:52,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865824964] [2022-10-16 14:41:52,084 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:41:52,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-10-16 14:41:52,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:52,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-10-16 14:41:52,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=331, Unknown=0, NotChecked=0, Total=462 [2022-10-16 14:41:52,086 INFO L87 Difference]: Start difference. First operand 649 states and 823 transitions. Second operand has 22 states, 21 states have (on average 3.380952380952381) internal successors, (71), 22 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:52,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:52,422 INFO L93 Difference]: Finished difference Result 1880 states and 2367 transitions. [2022-10-16 14:41:52,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-10-16 14:41:52,423 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 3.380952380952381) internal successors, (71), 22 states have internal predecessors, (71), 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 67 [2022-10-16 14:41:52,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:52,434 INFO L225 Difference]: With dead ends: 1880 [2022-10-16 14:41:52,435 INFO L226 Difference]: Without dead ends: 1877 [2022-10-16 14:41:52,436 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=306, Invalid=686, Unknown=0, NotChecked=0, Total=992 [2022-10-16 14:41:52,437 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 1432 mSDsluCounter, 924 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1432 SdHoareTripleChecker+Valid, 1004 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:52,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1432 Valid, 1004 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:41:52,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1877 states. [2022-10-16 14:41:52,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1877 to 1735. [2022-10-16 14:41:52,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1735 states, 1718 states have (on average 1.3346915017462164) internal successors, (2293), 1734 states have internal predecessors, (2293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:52,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1735 states to 1735 states and 2293 transitions. [2022-10-16 14:41:52,577 INFO L78 Accepts]: Start accepts. Automaton has 1735 states and 2293 transitions. Word has length 67 [2022-10-16 14:41:52,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:52,577 INFO L495 AbstractCegarLoop]: Abstraction has 1735 states and 2293 transitions. [2022-10-16 14:41:52,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 3.380952380952381) internal successors, (71), 22 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:52,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1735 states and 2293 transitions. [2022-10-16 14:41:52,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-16 14:41:52,579 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:52,579 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:52,622 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-10-16 14:41:52,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-10-16 14:41:52,793 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:41:52,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:52,794 INFO L85 PathProgramCache]: Analyzing trace with hash 915678257, now seen corresponding path program 2 times [2022-10-16 14:41:52,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:52,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97641557] [2022-10-16 14:41:52,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:52,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:52,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:52,957 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:41:52,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:52,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97641557] [2022-10-16 14:41:52,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97641557] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:41:52,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2049375761] [2022-10-16 14:41:52,958 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:41:52,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:41:52,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:41:52,959 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:41:52,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-10-16 14:41:53,053 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-16 14:41:53,054 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:41:53,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-16 14:41:53,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:41:53,148 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2022-10-16 14:41:53,148 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:41:53,148 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2049375761] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:41:53,148 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:41:53,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 14 [2022-10-16 14:41:53,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620002055] [2022-10-16 14:41:53,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:41:53,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 14:41:53,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:53,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 14:41:53,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2022-10-16 14:41:53,150 INFO L87 Difference]: Start difference. First operand 1735 states and 2293 transitions. Second operand has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:53,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:53,434 INFO L93 Difference]: Finished difference Result 2228 states and 2899 transitions. [2022-10-16 14:41:53,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 14:41:53,434 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 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 68 [2022-10-16 14:41:53,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:53,445 INFO L225 Difference]: With dead ends: 2228 [2022-10-16 14:41:53,445 INFO L226 Difference]: Without dead ends: 2226 [2022-10-16 14:41:53,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2022-10-16 14:41:53,446 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 189 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:53,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 159 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:41:53,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2226 states. [2022-10-16 14:41:53,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2226 to 1733. [2022-10-16 14:41:53,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1733 states, 1718 states have (on average 1.3183934807916182) internal successors, (2265), 1732 states have internal predecessors, (2265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:53,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1733 states to 1733 states and 2265 transitions. [2022-10-16 14:41:53,551 INFO L78 Accepts]: Start accepts. Automaton has 1733 states and 2265 transitions. Word has length 68 [2022-10-16 14:41:53,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:53,551 INFO L495 AbstractCegarLoop]: Abstraction has 1733 states and 2265 transitions. [2022-10-16 14:41:53,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.4) internal successors, (32), 6 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:53,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1733 states and 2265 transitions. [2022-10-16 14:41:53,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-16 14:41:53,553 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:53,553 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:53,594 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-10-16 14:41:53,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-10-16 14:41:53,767 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:41:53,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:53,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1678744974, now seen corresponding path program 1 times [2022-10-16 14:41:53,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:53,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673463867] [2022-10-16 14:41:53,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:53,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:53,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:53,865 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-10-16 14:41:53,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:53,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673463867] [2022-10-16 14:41:53,866 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673463867] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:41:53,866 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:41:53,866 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 14:41:53,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162994061] [2022-10-16 14:41:53,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:41:53,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:41:53,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:53,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:41:53,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:41:53,867 INFO L87 Difference]: Start difference. First operand 1733 states and 2265 transitions. Second operand has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:54,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:54,054 INFO L93 Difference]: Finished difference Result 2274 states and 2918 transitions. [2022-10-16 14:41:54,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:41:54,055 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-10-16 14:41:54,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:54,066 INFO L225 Difference]: With dead ends: 2274 [2022-10-16 14:41:54,066 INFO L226 Difference]: Without dead ends: 2273 [2022-10-16 14:41:54,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:41:54,068 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 72 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:54,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 299 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:41:54,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2273 states. [2022-10-16 14:41:54,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2273 to 1732. [2022-10-16 14:41:54,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1732 states, 1718 states have (on average 1.3044237485448196) internal successors, (2241), 1731 states have internal predecessors, (2241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:54,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1732 states to 1732 states and 2241 transitions. [2022-10-16 14:41:54,205 INFO L78 Accepts]: Start accepts. Automaton has 1732 states and 2241 transitions. Word has length 69 [2022-10-16 14:41:54,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:54,205 INFO L495 AbstractCegarLoop]: Abstraction has 1732 states and 2241 transitions. [2022-10-16 14:41:54,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:54,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1732 states and 2241 transitions. [2022-10-16 14:41:54,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 14:41:54,210 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:54,210 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:54,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-10-16 14:41:54,210 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:41:54,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:54,211 INFO L85 PathProgramCache]: Analyzing trace with hash -762701341, now seen corresponding path program 1 times [2022-10-16 14:41:54,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:54,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647352221] [2022-10-16 14:41:54,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:54,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:54,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:54,384 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-10-16 14:41:54,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:54,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647352221] [2022-10-16 14:41:54,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647352221] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:41:54,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [255445398] [2022-10-16 14:41:54,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:54,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:41:54,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:41:54,391 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:41:54,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-10-16 14:41:54,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:54,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-16 14:41:54,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:41:54,609 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-10-16 14:41:54,609 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:41:54,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [255445398] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:41:54,610 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:41:54,610 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 12 [2022-10-16 14:41:54,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775791669] [2022-10-16 14:41:54,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:41:54,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-10-16 14:41:54,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:54,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-10-16 14:41:54,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-10-16 14:41:54,611 INFO L87 Difference]: Start difference. First operand 1732 states and 2241 transitions. Second operand has 9 states, 8 states have (on average 4.875) internal successors, (39), 9 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:55,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:55,050 INFO L93 Difference]: Finished difference Result 3284 states and 4185 transitions. [2022-10-16 14:41:55,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-10-16 14:41:55,051 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 4.875) internal successors, (39), 9 states have internal predecessors, (39), 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 70 [2022-10-16 14:41:55,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:55,063 INFO L225 Difference]: With dead ends: 3284 [2022-10-16 14:41:55,063 INFO L226 Difference]: Without dead ends: 2670 [2022-10-16 14:41:55,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2022-10-16 14:41:55,066 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 170 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 520 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:55,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 486 Invalid, 520 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 514 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 14:41:55,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2670 states. [2022-10-16 14:41:55,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2670 to 1725. [2022-10-16 14:41:55,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1725 states, 1711 states have (on average 1.3085914669783751) internal successors, (2239), 1724 states have internal predecessors, (2239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:55,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1725 states to 1725 states and 2239 transitions. [2022-10-16 14:41:55,222 INFO L78 Accepts]: Start accepts. Automaton has 1725 states and 2239 transitions. Word has length 70 [2022-10-16 14:41:55,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:55,223 INFO L495 AbstractCegarLoop]: Abstraction has 1725 states and 2239 transitions. [2022-10-16 14:41:55,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 4.875) internal successors, (39), 9 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:55,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1725 states and 2239 transitions. [2022-10-16 14:41:55,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 14:41:55,224 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:55,225 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:55,264 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-10-16 14:41:55,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:41:55,440 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:41:55,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:55,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1632126323, now seen corresponding path program 1 times [2022-10-16 14:41:55,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:55,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311894906] [2022-10-16 14:41:55,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:55,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:55,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:55,523 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-10-16 14:41:55,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:55,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311894906] [2022-10-16 14:41:55,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311894906] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:41:55,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:41:55,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 14:41:55,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931255529] [2022-10-16 14:41:55,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:41:55,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 14:41:55,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:55,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 14:41:55,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 14:41:55,526 INFO L87 Difference]: Start difference. First operand 1725 states and 2239 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:55,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:55,629 INFO L93 Difference]: Finished difference Result 2514 states and 3271 transitions. [2022-10-16 14:41:55,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 14:41:55,630 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 71 [2022-10-16 14:41:55,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:55,638 INFO L225 Difference]: With dead ends: 2514 [2022-10-16 14:41:55,639 INFO L226 Difference]: Without dead ends: 1789 [2022-10-16 14:41:55,640 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 [2022-10-16 14:41:55,641 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 2 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:55,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 237 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 14:41:55,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1789 states. [2022-10-16 14:41:55,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1789 to 1773. [2022-10-16 14:41:55,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1773 states, 1759 states have (on average 1.3001705514496873) internal successors, (2287), 1772 states have internal predecessors, (2287), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:55,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1773 states to 1773 states and 2287 transitions. [2022-10-16 14:41:55,748 INFO L78 Accepts]: Start accepts. Automaton has 1773 states and 2287 transitions. Word has length 71 [2022-10-16 14:41:55,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:55,748 INFO L495 AbstractCegarLoop]: Abstraction has 1773 states and 2287 transitions. [2022-10-16 14:41:55,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:55,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1773 states and 2287 transitions. [2022-10-16 14:41:55,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-16 14:41:55,750 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:55,750 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:55,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-10-16 14:41:55,750 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:41:55,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:55,751 INFO L85 PathProgramCache]: Analyzing trace with hash -887833611, now seen corresponding path program 1 times [2022-10-16 14:41:55,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:55,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213737327] [2022-10-16 14:41:55,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:55,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:55,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:55,910 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:41:55,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:55,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213737327] [2022-10-16 14:41:55,911 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213737327] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:41:55,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1238647537] [2022-10-16 14:41:55,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:55,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:41:55,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:41:55,913 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:41:55,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-10-16 14:41:56,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:56,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-16 14:41:56,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:41:56,069 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:41:56,069 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:41:56,197 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:41:56,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1238647537] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:41:56,198 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:41:56,198 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 19 [2022-10-16 14:41:56,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350391705] [2022-10-16 14:41:56,198 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:41:56,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-10-16 14:41:56,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:56,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-10-16 14:41:56,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380 [2022-10-16 14:41:56,200 INFO L87 Difference]: Start difference. First operand 1773 states and 2287 transitions. Second operand has 20 states, 19 states have (on average 4.157894736842105) internal successors, (79), 20 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:57,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:57,056 INFO L93 Difference]: Finished difference Result 2966 states and 3727 transitions. [2022-10-16 14:41:57,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-10-16 14:41:57,057 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 4.157894736842105) internal successors, (79), 20 states have internal predecessors, (79), 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 71 [2022-10-16 14:41:57,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:57,071 INFO L225 Difference]: With dead ends: 2966 [2022-10-16 14:41:57,071 INFO L226 Difference]: Without dead ends: 2965 [2022-10-16 14:41:57,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 518 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=519, Invalid=1833, Unknown=0, NotChecked=0, Total=2352 [2022-10-16 14:41:57,074 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 999 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 507 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 999 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 507 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:57,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [999 Valid, 378 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 507 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 14:41:57,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2965 states. [2022-10-16 14:41:57,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2965 to 1957. [2022-10-16 14:41:57,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1957 states, 1943 states have (on average 1.3211528564076171) internal successors, (2567), 1956 states have internal predecessors, (2567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:57,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1957 states to 1957 states and 2567 transitions. [2022-10-16 14:41:57,201 INFO L78 Accepts]: Start accepts. Automaton has 1957 states and 2567 transitions. Word has length 71 [2022-10-16 14:41:57,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:57,201 INFO L495 AbstractCegarLoop]: Abstraction has 1957 states and 2567 transitions. [2022-10-16 14:41:57,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 4.157894736842105) internal successors, (79), 20 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:57,201 INFO L276 IsEmpty]: Start isEmpty. Operand 1957 states and 2567 transitions. [2022-10-16 14:41:57,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 14:41:57,203 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:57,203 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:57,240 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-10-16 14:41:57,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:41:57,417 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:41:57,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:57,419 INFO L85 PathProgramCache]: Analyzing trace with hash -1753038017, now seen corresponding path program 1 times [2022-10-16 14:41:57,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:57,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458095389] [2022-10-16 14:41:57,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:57,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:57,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:57,514 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-10-16 14:41:57,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:57,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458095389] [2022-10-16 14:41:57,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458095389] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:41:57,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:41:57,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 14:41:57,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563369697] [2022-10-16 14:41:57,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:41:57,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:41:57,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:57,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:41:57,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:41:57,517 INFO L87 Difference]: Start difference. First operand 1957 states and 2567 transitions. Second operand has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:57,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:57,706 INFO L93 Difference]: Finished difference Result 2498 states and 3220 transitions. [2022-10-16 14:41:57,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:41:57,706 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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 72 [2022-10-16 14:41:57,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:57,719 INFO L225 Difference]: With dead ends: 2498 [2022-10-16 14:41:57,720 INFO L226 Difference]: Without dead ends: 2497 [2022-10-16 14:41:57,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-10-16 14:41:57,721 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 136 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 239 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:57,722 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 239 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:41:57,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2497 states. [2022-10-16 14:41:57,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2497 to 1956. [2022-10-16 14:41:57,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1956 states, 1943 states have (on average 1.3129181677817807) internal successors, (2551), 1955 states have internal predecessors, (2551), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:57,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1956 states to 1956 states and 2551 transitions. [2022-10-16 14:41:57,886 INFO L78 Accepts]: Start accepts. Automaton has 1956 states and 2551 transitions. Word has length 72 [2022-10-16 14:41:57,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:41:57,886 INFO L495 AbstractCegarLoop]: Abstraction has 1956 states and 2551 transitions. [2022-10-16 14:41:57,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:57,887 INFO L276 IsEmpty]: Start isEmpty. Operand 1956 states and 2551 transitions. [2022-10-16 14:41:57,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-16 14:41:57,888 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:41:57,888 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:41:57,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-10-16 14:41:57,888 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:41:57,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:41:57,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1753031995, now seen corresponding path program 1 times [2022-10-16 14:41:57,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:41:57,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289728090] [2022-10-16 14:41:57,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:57,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:41:57,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:58,093 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:41:58,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:41:58,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289728090] [2022-10-16 14:41:58,093 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289728090] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:41:58,093 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793821013] [2022-10-16 14:41:58,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:41:58,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:41:58,094 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:41:58,095 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:41:58,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-10-16 14:41:58,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:41:58,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-16 14:41:58,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:41:58,428 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:41:58,428 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:41:58,611 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:41:58,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1793821013] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:41:58,611 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:41:58,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 25 [2022-10-16 14:41:58,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814798872] [2022-10-16 14:41:58,612 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:41:58,612 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2022-10-16 14:41:58,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:41:58,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2022-10-16 14:41:58,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=505, Unknown=0, NotChecked=0, Total=650 [2022-10-16 14:41:58,614 INFO L87 Difference]: Start difference. First operand 1956 states and 2551 transitions. Second operand has 26 states, 25 states have (on average 4.72) internal successors, (118), 26 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:41:59,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:41:59,820 INFO L93 Difference]: Finished difference Result 4329 states and 5512 transitions. [2022-10-16 14:41:59,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-10-16 14:41:59,821 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 4.72) internal successors, (118), 26 states have internal predecessors, (118), 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 72 [2022-10-16 14:41:59,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:41:59,845 INFO L225 Difference]: With dead ends: 4329 [2022-10-16 14:41:59,846 INFO L226 Difference]: Without dead ends: 4324 [2022-10-16 14:41:59,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 377 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=495, Invalid=1575, Unknown=0, NotChecked=0, Total=2070 [2022-10-16 14:41:59,849 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 1202 mSDsluCounter, 476 mSDsCounter, 0 mSdLazyCounter, 793 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1202 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 14:41:59,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1202 Valid, 514 Invalid, 833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 793 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 14:41:59,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4324 states. [2022-10-16 14:42:00,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4324 to 2314. [2022-10-16 14:42:00,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2314 states, 2304 states have (on average 1.2912326388888888) internal successors, (2975), 2313 states have internal predecessors, (2975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:00,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2314 states to 2314 states and 2975 transitions. [2022-10-16 14:42:00,032 INFO L78 Accepts]: Start accepts. Automaton has 2314 states and 2975 transitions. Word has length 72 [2022-10-16 14:42:00,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:42:00,033 INFO L495 AbstractCegarLoop]: Abstraction has 2314 states and 2975 transitions. [2022-10-16 14:42:00,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 4.72) internal successors, (118), 26 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:00,033 INFO L276 IsEmpty]: Start isEmpty. Operand 2314 states and 2975 transitions. [2022-10-16 14:42:00,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 14:42:00,034 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:42:00,035 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:42:00,075 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-10-16 14:42:00,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:42:00,248 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:42:00,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:42:00,249 INFO L85 PathProgramCache]: Analyzing trace with hash -1042349375, now seen corresponding path program 1 times [2022-10-16 14:42:00,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:42:00,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480910969] [2022-10-16 14:42:00,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:42:00,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:42:00,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:42:00,494 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:00,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:42:00,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480910969] [2022-10-16 14:42:00,495 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480910969] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:42:00,495 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [42864852] [2022-10-16 14:42:00,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:42:00,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:42:00,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:42:00,497 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:42:00,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-10-16 14:42:00,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:42:00,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-16 14:42:00,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:42:00,872 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:00,873 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:42:01,136 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:01,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [42864852] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:42:01,136 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:42:01,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 31 [2022-10-16 14:42:01,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706614704] [2022-10-16 14:42:01,137 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:42:01,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-10-16 14:42:01,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:42:01,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-10-16 14:42:01,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=821, Unknown=0, NotChecked=0, Total=992 [2022-10-16 14:42:01,139 INFO L87 Difference]: Start difference. First operand 2314 states and 2975 transitions. Second operand has 32 states, 31 states have (on average 4.0) internal successors, (124), 32 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:02,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:42:02,759 INFO L93 Difference]: Finished difference Result 4797 states and 5974 transitions. [2022-10-16 14:42:02,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-10-16 14:42:02,759 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 4.0) internal successors, (124), 32 states have internal predecessors, (124), 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 74 [2022-10-16 14:42:02,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:42:02,770 INFO L225 Difference]: With dead ends: 4797 [2022-10-16 14:42:02,770 INFO L226 Difference]: Without dead ends: 4795 [2022-10-16 14:42:02,774 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 841 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=761, Invalid=3145, Unknown=0, NotChecked=0, Total=3906 [2022-10-16 14:42:02,775 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 1554 mSDsluCounter, 515 mSDsCounter, 0 mSdLazyCounter, 943 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1554 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 1030 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 14:42:02,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1554 Valid, 552 Invalid, 1030 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 943 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 14:42:02,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4795 states. [2022-10-16 14:42:02,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4795 to 2340. [2022-10-16 14:42:02,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2340 states, 2330 states have (on average 1.2879828326180258) internal successors, (3001), 2339 states have internal predecessors, (3001), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:02,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2340 states to 2340 states and 3001 transitions. [2022-10-16 14:42:02,964 INFO L78 Accepts]: Start accepts. Automaton has 2340 states and 3001 transitions. Word has length 74 [2022-10-16 14:42:02,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:42:02,965 INFO L495 AbstractCegarLoop]: Abstraction has 2340 states and 3001 transitions. [2022-10-16 14:42:02,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 4.0) internal successors, (124), 32 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:02,965 INFO L276 IsEmpty]: Start isEmpty. Operand 2340 states and 3001 transitions. [2022-10-16 14:42:02,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 14:42:02,966 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:42:02,966 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:42:03,006 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-10-16 14:42:03,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2022-10-16 14:42:03,180 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:42:03,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:42:03,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1026909023, now seen corresponding path program 1 times [2022-10-16 14:42:03,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:42:03,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124218249] [2022-10-16 14:42:03,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:42:03,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:42:03,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:42:03,428 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:03,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:42:03,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124218249] [2022-10-16 14:42:03,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1124218249] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:42:03,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [10293192] [2022-10-16 14:42:03,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:42:03,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:42:03,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:42:03,431 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:42:03,456 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-10-16 14:42:03,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:42:03,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-16 14:42:03,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:42:03,798 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:03,798 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:42:04,021 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:04,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [10293192] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:42:04,021 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:42:04,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 10] total 30 [2022-10-16 14:42:04,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918247302] [2022-10-16 14:42:04,022 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:42:04,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2022-10-16 14:42:04,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:42:04,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2022-10-16 14:42:04,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=756, Unknown=0, NotChecked=0, Total=930 [2022-10-16 14:42:04,024 INFO L87 Difference]: Start difference. First operand 2340 states and 3001 transitions. Second operand has 31 states, 30 states have (on average 4.133333333333334) internal successors, (124), 31 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:05,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:42:05,576 INFO L93 Difference]: Finished difference Result 4521 states and 5665 transitions. [2022-10-16 14:42:05,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-10-16 14:42:05,577 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 4.133333333333334) internal successors, (124), 31 states have internal predecessors, (124), 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 74 [2022-10-16 14:42:05,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:42:05,584 INFO L225 Difference]: With dead ends: 4521 [2022-10-16 14:42:05,584 INFO L226 Difference]: Without dead ends: 4516 [2022-10-16 14:42:05,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 897 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=655, Invalid=3005, Unknown=0, NotChecked=0, Total=3660 [2022-10-16 14:42:05,588 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 1472 mSDsluCounter, 648 mSDsCounter, 0 mSdLazyCounter, 1145 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1472 SdHoareTripleChecker+Valid, 699 SdHoareTripleChecker+Invalid, 1208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 1145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 14:42:05,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1472 Valid, 699 Invalid, 1208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 1145 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 14:42:05,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4516 states. [2022-10-16 14:42:05,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4516 to 2193. [2022-10-16 14:42:05,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2193 states, 2186 states have (on average 1.2973467520585544) internal successors, (2836), 2192 states have internal predecessors, (2836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:05,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2193 states to 2193 states and 2836 transitions. [2022-10-16 14:42:05,747 INFO L78 Accepts]: Start accepts. Automaton has 2193 states and 2836 transitions. Word has length 74 [2022-10-16 14:42:05,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:42:05,747 INFO L495 AbstractCegarLoop]: Abstraction has 2193 states and 2836 transitions. [2022-10-16 14:42:05,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 4.133333333333334) internal successors, (124), 31 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:05,747 INFO L276 IsEmpty]: Start isEmpty. Operand 2193 states and 2836 transitions. [2022-10-16 14:42:05,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 14:42:05,749 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:42:05,749 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 7, 7, 7, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:42:05,783 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2022-10-16 14:42:05,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2022-10-16 14:42:05,964 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:42:05,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:42:05,965 INFO L85 PathProgramCache]: Analyzing trace with hash 79741651, now seen corresponding path program 2 times [2022-10-16 14:42:05,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:42:05,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560956998] [2022-10-16 14:42:05,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:42:05,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:42:05,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:42:06,225 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:06,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:42:06,225 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560956998] [2022-10-16 14:42:06,225 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560956998] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:42:06,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [571993571] [2022-10-16 14:42:06,226 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:42:06,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:42:06,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:42:06,227 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:42:06,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-10-16 14:42:06,346 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 14:42:06,346 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:42:06,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-16 14:42:06,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:42:06,406 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:06,406 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:42:06,646 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:06,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [571993571] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:42:06,646 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:42:06,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 31 [2022-10-16 14:42:06,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229206055] [2022-10-16 14:42:06,647 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:42:06,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-10-16 14:42:06,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:42:06,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-10-16 14:42:06,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=271, Invalid=721, Unknown=0, NotChecked=0, Total=992 [2022-10-16 14:42:06,649 INFO L87 Difference]: Start difference. First operand 2193 states and 2836 transitions. Second operand has 32 states, 31 states have (on average 3.161290322580645) internal successors, (98), 32 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:07,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:42:07,814 INFO L93 Difference]: Finished difference Result 10611 states and 12992 transitions. [2022-10-16 14:42:07,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-10-16 14:42:07,815 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 3.161290322580645) internal successors, (98), 32 states have internal predecessors, (98), 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 75 [2022-10-16 14:42:07,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:42:07,830 INFO L225 Difference]: With dead ends: 10611 [2022-10-16 14:42:07,830 INFO L226 Difference]: Without dead ends: 10610 [2022-10-16 14:42:07,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 440 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=602, Invalid=1468, Unknown=0, NotChecked=0, Total=2070 [2022-10-16 14:42:07,834 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 1730 mSDsluCounter, 838 mSDsCounter, 0 mSdLazyCounter, 670 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1730 SdHoareTripleChecker+Valid, 891 SdHoareTripleChecker+Invalid, 679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 670 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 14:42:07,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1730 Valid, 891 Invalid, 679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 670 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 14:42:07,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10610 states. [2022-10-16 14:42:08,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10610 to 2633. [2022-10-16 14:42:08,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2633 states, 2626 states have (on average 1.300837776085301) internal successors, (3416), 2632 states have internal predecessors, (3416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:08,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2633 states to 2633 states and 3416 transitions. [2022-10-16 14:42:08,045 INFO L78 Accepts]: Start accepts. Automaton has 2633 states and 3416 transitions. Word has length 75 [2022-10-16 14:42:08,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:42:08,046 INFO L495 AbstractCegarLoop]: Abstraction has 2633 states and 3416 transitions. [2022-10-16 14:42:08,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 3.161290322580645) internal successors, (98), 32 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:08,046 INFO L276 IsEmpty]: Start isEmpty. Operand 2633 states and 3416 transitions. [2022-10-16 14:42:08,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-10-16 14:42:08,050 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:42:08,050 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:42:08,079 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2022-10-16 14:42:08,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2022-10-16 14:42:08,266 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:42:08,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:42:08,267 INFO L85 PathProgramCache]: Analyzing trace with hash 977124765, now seen corresponding path program 1 times [2022-10-16 14:42:08,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:42:08,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416826706] [2022-10-16 14:42:08,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:42:08,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:42:08,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:42:08,556 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:08,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:42:08,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416826706] [2022-10-16 14:42:08,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416826706] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:42:08,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2116783558] [2022-10-16 14:42:08,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:42:08,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:42:08,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:42:08,563 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:42:08,583 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-10-16 14:42:08,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:42:08,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-16 14:42:08,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:42:08,987 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:08,987 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:42:09,282 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:09,282 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2116783558] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:42:09,282 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:42:09,282 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 12] total 36 [2022-10-16 14:42:09,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000900969] [2022-10-16 14:42:09,283 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:42:09,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-10-16 14:42:09,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:42:09,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-10-16 14:42:09,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=200, Invalid=1132, Unknown=0, NotChecked=0, Total=1332 [2022-10-16 14:42:09,286 INFO L87 Difference]: Start difference. First operand 2633 states and 3416 transitions. Second operand has 37 states, 36 states have (on average 3.611111111111111) internal successors, (130), 37 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:11,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:42:11,916 INFO L93 Difference]: Finished difference Result 5987 states and 7497 transitions. [2022-10-16 14:42:11,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2022-10-16 14:42:11,919 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 36 states have (on average 3.611111111111111) internal successors, (130), 37 states have internal predecessors, (130), 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 76 [2022-10-16 14:42:11,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:42:11,930 INFO L225 Difference]: With dead ends: 5987 [2022-10-16 14:42:11,930 INFO L226 Difference]: Without dead ends: 4886 [2022-10-16 14:42:11,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2342 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1203, Invalid=6807, Unknown=0, NotChecked=0, Total=8010 [2022-10-16 14:42:11,938 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 1635 mSDsluCounter, 882 mSDsCounter, 0 mSdLazyCounter, 1934 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1635 SdHoareTripleChecker+Valid, 932 SdHoareTripleChecker+Invalid, 2034 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 1934 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:42:11,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1635 Valid, 932 Invalid, 2034 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 1934 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 14:42:11,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4886 states. [2022-10-16 14:42:12,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4886 to 2577. [2022-10-16 14:42:12,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2577 states, 2570 states have (on average 1.2945525291828794) internal successors, (3327), 2576 states have internal predecessors, (3327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:12,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2577 states to 2577 states and 3327 transitions. [2022-10-16 14:42:12,160 INFO L78 Accepts]: Start accepts. Automaton has 2577 states and 3327 transitions. Word has length 76 [2022-10-16 14:42:12,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:42:12,160 INFO L495 AbstractCegarLoop]: Abstraction has 2577 states and 3327 transitions. [2022-10-16 14:42:12,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 36 states have (on average 3.611111111111111) internal successors, (130), 37 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:12,160 INFO L276 IsEmpty]: Start isEmpty. Operand 2577 states and 3327 transitions. [2022-10-16 14:42:12,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-10-16 14:42:12,162 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:42:12,162 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:42:12,197 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2022-10-16 14:42:12,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:42:12,377 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:42:12,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:42:12,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1260640651, now seen corresponding path program 1 times [2022-10-16 14:42:12,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:42:12,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633629004] [2022-10-16 14:42:12,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:42:12,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:42:12,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:42:12,589 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:12,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:42:12,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633629004] [2022-10-16 14:42:12,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633629004] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:42:12,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2005051971] [2022-10-16 14:42:12,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:42:12,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:42:12,592 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:42:12,593 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:42:12,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-10-16 14:42:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:42:12,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-16 14:42:12,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:42:12,791 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:12,791 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:42:12,876 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:12,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2005051971] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:42:12,876 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:42:12,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 13 [2022-10-16 14:42:12,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1278280521] [2022-10-16 14:42:12,877 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:42:12,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 14:42:12,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:42:12,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 14:42:12,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2022-10-16 14:42:12,879 INFO L87 Difference]: Start difference. First operand 2577 states and 3327 transitions. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:13,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:42:13,389 INFO L93 Difference]: Finished difference Result 3839 states and 4895 transitions. [2022-10-16 14:42:13,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-10-16 14:42:13,389 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 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 78 [2022-10-16 14:42:13,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:42:13,396 INFO L225 Difference]: With dead ends: 3839 [2022-10-16 14:42:13,396 INFO L226 Difference]: Without dead ends: 2960 [2022-10-16 14:42:13,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 146 SyntacticMatches, 10 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=163, Invalid=487, Unknown=0, NotChecked=0, Total=650 [2022-10-16 14:42:13,405 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 507 mSDsluCounter, 379 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 507 SdHoareTripleChecker+Valid, 424 SdHoareTripleChecker+Invalid, 437 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:42:13,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [507 Valid, 424 Invalid, 437 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 14:42:13,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2960 states. [2022-10-16 14:42:13,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2960 to 2545. [2022-10-16 14:42:13,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2545 states, 2538 states have (on average 1.289598108747045) internal successors, (3273), 2544 states have internal predecessors, (3273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:13,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2545 states to 2545 states and 3273 transitions. [2022-10-16 14:42:13,588 INFO L78 Accepts]: Start accepts. Automaton has 2545 states and 3273 transitions. Word has length 78 [2022-10-16 14:42:13,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:42:13,589 INFO L495 AbstractCegarLoop]: Abstraction has 2545 states and 3273 transitions. [2022-10-16 14:42:13,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:13,589 INFO L276 IsEmpty]: Start isEmpty. Operand 2545 states and 3273 transitions. [2022-10-16 14:42:13,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 14:42:13,591 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:42:13,591 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:42:13,628 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2022-10-16 14:42:13,804 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2022-10-16 14:42:13,804 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:42:13,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:42:13,805 INFO L85 PathProgramCache]: Analyzing trace with hash 940348652, now seen corresponding path program 1 times [2022-10-16 14:42:13,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:42:13,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784982021] [2022-10-16 14:42:13,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:42:13,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:42:13,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:42:14,124 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:14,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:42:14,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784982021] [2022-10-16 14:42:14,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784982021] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:42:14,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1649034689] [2022-10-16 14:42:14,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:42:14,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:42:14,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:42:14,126 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:42:14,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2022-10-16 14:42:14,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:42:14,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-16 14:42:14,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:42:14,527 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:14,527 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:42:14,789 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:14,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1649034689] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:42:14,790 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:42:14,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 12] total 36 [2022-10-16 14:42:14,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45125040] [2022-10-16 14:42:14,790 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:42:14,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-10-16 14:42:14,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:42:14,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-10-16 14:42:14,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=200, Invalid=1132, Unknown=0, NotChecked=0, Total=1332 [2022-10-16 14:42:14,793 INFO L87 Difference]: Start difference. First operand 2545 states and 3273 transitions. Second operand has 37 states, 36 states have (on average 3.861111111111111) internal successors, (139), 37 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:17,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:42:17,422 INFO L93 Difference]: Finished difference Result 5537 states and 6933 transitions. [2022-10-16 14:42:17,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-10-16 14:42:17,424 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 36 states have (on average 3.861111111111111) internal successors, (139), 37 states have internal predecessors, (139), 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 79 [2022-10-16 14:42:17,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:42:17,430 INFO L225 Difference]: With dead ends: 5537 [2022-10-16 14:42:17,431 INFO L226 Difference]: Without dead ends: 4509 [2022-10-16 14:42:17,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2610 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1470, Invalid=7272, Unknown=0, NotChecked=0, Total=8742 [2022-10-16 14:42:17,436 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 1712 mSDsluCounter, 789 mSDsCounter, 0 mSdLazyCounter, 1667 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1712 SdHoareTripleChecker+Valid, 839 SdHoareTripleChecker+Invalid, 1790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 1667 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:42:17,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1712 Valid, 839 Invalid, 1790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 1667 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 14:42:17,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4509 states. [2022-10-16 14:42:17,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4509 to 2465. [2022-10-16 14:42:17,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2465 states, 2458 states have (on average 1.3006509357200977) internal successors, (3197), 2464 states have internal predecessors, (3197), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:17,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2465 states to 2465 states and 3197 transitions. [2022-10-16 14:42:17,628 INFO L78 Accepts]: Start accepts. Automaton has 2465 states and 3197 transitions. Word has length 79 [2022-10-16 14:42:17,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:42:17,628 INFO L495 AbstractCegarLoop]: Abstraction has 2465 states and 3197 transitions. [2022-10-16 14:42:17,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 36 states have (on average 3.861111111111111) internal successors, (139), 37 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:17,629 INFO L276 IsEmpty]: Start isEmpty. Operand 2465 states and 3197 transitions. [2022-10-16 14:42:17,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-10-16 14:42:17,630 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:42:17,630 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:42:17,671 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2022-10-16 14:42:17,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2022-10-16 14:42:17,844 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:42:17,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:42:17,845 INFO L85 PathProgramCache]: Analyzing trace with hash 955789004, now seen corresponding path program 1 times [2022-10-16 14:42:17,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:42:17,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292230347] [2022-10-16 14:42:17,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:42:17,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:42:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:42:18,125 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:18,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:42:18,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292230347] [2022-10-16 14:42:18,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292230347] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:42:18,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1890498180] [2022-10-16 14:42:18,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:42:18,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:42:18,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:42:18,127 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:42:18,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2022-10-16 14:42:18,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:42:18,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-16 14:42:18,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:42:18,569 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:18,569 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:42:18,843 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:18,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1890498180] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:42:18,844 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:42:18,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 11] total 35 [2022-10-16 14:42:18,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334987056] [2022-10-16 14:42:18,845 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:42:18,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-10-16 14:42:18,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:42:18,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-10-16 14:42:18,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=1056, Unknown=0, NotChecked=0, Total=1260 [2022-10-16 14:42:18,847 INFO L87 Difference]: Start difference. First operand 2465 states and 3197 transitions. Second operand has 36 states, 35 states have (on average 3.9714285714285715) internal successors, (139), 36 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:21,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:42:21,375 INFO L93 Difference]: Finished difference Result 5136 states and 6488 transitions. [2022-10-16 14:42:21,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-10-16 14:42:21,376 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 35 states have (on average 3.9714285714285715) internal successors, (139), 36 states have internal predecessors, (139), 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 79 [2022-10-16 14:42:21,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:42:21,380 INFO L225 Difference]: With dead ends: 5136 [2022-10-16 14:42:21,380 INFO L226 Difference]: Without dead ends: 4226 [2022-10-16 14:42:21,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2267 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1170, Invalid=6662, Unknown=0, NotChecked=0, Total=7832 [2022-10-16 14:42:21,385 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 1291 mSDsluCounter, 812 mSDsCounter, 0 mSdLazyCounter, 1853 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1291 SdHoareTripleChecker+Valid, 869 SdHoareTripleChecker+Invalid, 1953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 1853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:42:21,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1291 Valid, 869 Invalid, 1953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 1853 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 14:42:21,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4226 states. [2022-10-16 14:42:21,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4226 to 2531. [2022-10-16 14:42:21,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2531 states, 2524 states have (on average 1.304675118858954) internal successors, (3293), 2530 states have internal predecessors, (3293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:21,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2531 states to 2531 states and 3293 transitions. [2022-10-16 14:42:21,530 INFO L78 Accepts]: Start accepts. Automaton has 2531 states and 3293 transitions. Word has length 79 [2022-10-16 14:42:21,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:42:21,530 INFO L495 AbstractCegarLoop]: Abstraction has 2531 states and 3293 transitions. [2022-10-16 14:42:21,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 35 states have (on average 3.9714285714285715) internal successors, (139), 36 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:21,531 INFO L276 IsEmpty]: Start isEmpty. Operand 2531 states and 3293 transitions. [2022-10-16 14:42:21,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-16 14:42:21,532 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:42:21,532 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:42:21,562 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2022-10-16 14:42:21,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2022-10-16 14:42:21,746 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:42:21,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:42:21,747 INFO L85 PathProgramCache]: Analyzing trace with hash 556807317, now seen corresponding path program 1 times [2022-10-16 14:42:21,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:42:21,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036968130] [2022-10-16 14:42:21,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:42:21,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:42:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:42:22,007 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:22,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:42:22,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036968130] [2022-10-16 14:42:22,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036968130] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:42:22,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1862437627] [2022-10-16 14:42:22,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:42:22,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:42:22,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:42:22,009 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:42:22,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2022-10-16 14:42:22,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:42:22,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-16 14:42:22,142 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:42:22,390 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:22,390 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:42:22,643 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:22,643 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1862437627] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:42:22,643 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:42:22,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 31 [2022-10-16 14:42:22,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180173926] [2022-10-16 14:42:22,644 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:42:22,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2022-10-16 14:42:22,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:42:22,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2022-10-16 14:42:22,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=773, Unknown=0, NotChecked=0, Total=992 [2022-10-16 14:42:22,645 INFO L87 Difference]: Start difference. First operand 2531 states and 3293 transitions. Second operand has 32 states, 31 states have (on average 4.67741935483871) internal successors, (145), 32 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:24,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:42:24,067 INFO L93 Difference]: Finished difference Result 4802 states and 6015 transitions. [2022-10-16 14:42:24,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2022-10-16 14:42:24,068 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 4.67741935483871) internal successors, (145), 32 states have internal predecessors, (145), 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 81 [2022-10-16 14:42:24,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:42:24,072 INFO L225 Difference]: With dead ends: 4802 [2022-10-16 14:42:24,073 INFO L226 Difference]: Without dead ends: 4800 [2022-10-16 14:42:24,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 752 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=804, Invalid=2736, Unknown=0, NotChecked=0, Total=3540 [2022-10-16 14:42:24,084 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 1998 mSDsluCounter, 488 mSDsCounter, 0 mSdLazyCounter, 828 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1998 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 828 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 14:42:24,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1998 Valid, 528 Invalid, 889 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 828 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 14:42:24,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4800 states. [2022-10-16 14:42:24,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4800 to 2649. [2022-10-16 14:42:24,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2649 states, 2642 states have (on average 1.30999242997729) internal successors, (3461), 2648 states have internal predecessors, (3461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:24,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2649 states to 2649 states and 3461 transitions. [2022-10-16 14:42:24,255 INFO L78 Accepts]: Start accepts. Automaton has 2649 states and 3461 transitions. Word has length 81 [2022-10-16 14:42:24,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:42:24,255 INFO L495 AbstractCegarLoop]: Abstraction has 2649 states and 3461 transitions. [2022-10-16 14:42:24,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 4.67741935483871) internal successors, (145), 32 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:24,256 INFO L276 IsEmpty]: Start isEmpty. Operand 2649 states and 3461 transitions. [2022-10-16 14:42:24,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 14:42:24,257 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:42:24,257 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:42:24,292 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2022-10-16 14:42:24,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:42:24,472 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:42:24,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:42:24,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1465013452, now seen corresponding path program 3 times [2022-10-16 14:42:24,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:42:24,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886733098] [2022-10-16 14:42:24,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:42:24,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:42:24,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:42:24,745 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:24,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:42:24,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886733098] [2022-10-16 14:42:24,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886733098] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:42:24,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1567753233] [2022-10-16 14:42:24,746 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-10-16 14:42:24,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:42:24,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:42:24,747 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:42:24,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2022-10-16 14:42:24,866 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-10-16 14:42:24,866 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:42:24,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 22 conjunts are in the unsatisfiable core [2022-10-16 14:42:24,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:42:25,043 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2022-10-16 14:42:25,044 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:42:25,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1567753233] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:42:25,044 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:42:25,044 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [17] total 24 [2022-10-16 14:42:25,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836926222] [2022-10-16 14:42:25,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:42:25,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-10-16 14:42:25,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:42:25,046 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-10-16 14:42:25,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=426, Unknown=0, NotChecked=0, Total=552 [2022-10-16 14:42:25,046 INFO L87 Difference]: Start difference. First operand 2649 states and 3461 transitions. Second operand has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:25,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:42:25,465 INFO L93 Difference]: Finished difference Result 2735 states and 3568 transitions. [2022-10-16 14:42:25,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 14:42:25,465 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 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 82 [2022-10-16 14:42:25,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:42:25,468 INFO L225 Difference]: With dead ends: 2735 [2022-10-16 14:42:25,468 INFO L226 Difference]: Without dead ends: 2647 [2022-10-16 14:42:25,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=194, Invalid=618, Unknown=0, NotChecked=0, Total=812 [2022-10-16 14:42:25,469 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 83 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:42:25,469 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 280 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:42:25,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2647 states. [2022-10-16 14:42:25,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2647 to 2647. [2022-10-16 14:42:25,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2647 states, 2640 states have (on average 1.309469696969697) internal successors, (3457), 2646 states have internal predecessors, (3457), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:25,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2647 states to 2647 states and 3457 transitions. [2022-10-16 14:42:25,612 INFO L78 Accepts]: Start accepts. Automaton has 2647 states and 3457 transitions. Word has length 82 [2022-10-16 14:42:25,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:42:25,612 INFO L495 AbstractCegarLoop]: Abstraction has 2647 states and 3457 transitions. [2022-10-16 14:42:25,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:25,612 INFO L276 IsEmpty]: Start isEmpty. Operand 2647 states and 3457 transitions. [2022-10-16 14:42:25,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-16 14:42:25,614 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:42:25,614 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:42:25,641 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2022-10-16 14:42:25,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:42:25,827 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:42:25,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:42:25,828 INFO L85 PathProgramCache]: Analyzing trace with hash 2126298121, now seen corresponding path program 1 times [2022-10-16 14:42:25,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:42:25,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501048114] [2022-10-16 14:42:25,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:42:25,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:42:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:42:25,964 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2022-10-16 14:42:25,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:42:25,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501048114] [2022-10-16 14:42:25,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501048114] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:42:25,964 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103635880] [2022-10-16 14:42:25,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:42:25,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:42:25,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:42:25,966 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:42:25,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2022-10-16 14:42:26,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:42:26,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-16 14:42:26,094 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:42:26,187 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2022-10-16 14:42:26,188 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 14:42:26,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2103635880] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:42:26,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 14:42:26,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2022-10-16 14:42:26,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092938553] [2022-10-16 14:42:26,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:42:26,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:42:26,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:42:26,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:42:26,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2022-10-16 14:42:26,190 INFO L87 Difference]: Start difference. First operand 2647 states and 3457 transitions. Second operand has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:26,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:42:26,526 INFO L93 Difference]: Finished difference Result 4669 states and 5967 transitions. [2022-10-16 14:42:26,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 14:42:26,527 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 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 82 [2022-10-16 14:42:26,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:42:26,530 INFO L225 Difference]: With dead ends: 4669 [2022-10-16 14:42:26,530 INFO L226 Difference]: Without dead ends: 3412 [2022-10-16 14:42:26,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2022-10-16 14:42:26,532 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 104 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:42:26,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 287 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:42:26,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3412 states. [2022-10-16 14:42:26,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3412 to 2689. [2022-10-16 14:42:26,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2689 states, 2682 states have (on average 1.308724832214765) internal successors, (3510), 2688 states have internal predecessors, (3510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:26,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2689 states to 2689 states and 3510 transitions. [2022-10-16 14:42:26,764 INFO L78 Accepts]: Start accepts. Automaton has 2689 states and 3510 transitions. Word has length 82 [2022-10-16 14:42:26,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:42:26,764 INFO L495 AbstractCegarLoop]: Abstraction has 2689 states and 3510 transitions. [2022-10-16 14:42:26,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.333333333333333) internal successors, (44), 7 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:26,765 INFO L276 IsEmpty]: Start isEmpty. Operand 2689 states and 3510 transitions. [2022-10-16 14:42:26,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 14:42:26,766 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:42:26,767 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:42:26,805 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2022-10-16 14:42:26,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:42:26,980 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:42:26,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:42:26,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1161257674, now seen corresponding path program 1 times [2022-10-16 14:42:26,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:42:26,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113038578] [2022-10-16 14:42:26,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:42:26,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:42:27,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:42:27,291 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:27,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:42:27,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113038578] [2022-10-16 14:42:27,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113038578] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:42:27,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1999311788] [2022-10-16 14:42:27,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:42:27,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:42:27,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:42:27,294 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:42:27,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2022-10-16 14:42:27,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:42:27,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-16 14:42:27,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:42:27,793 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:27,793 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:42:28,114 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:28,114 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1999311788] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:42:28,114 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:42:28,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 13] total 41 [2022-10-16 14:42:28,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627855441] [2022-10-16 14:42:28,115 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:42:28,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-10-16 14:42:28,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:42:28,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-10-16 14:42:28,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=230, Invalid=1492, Unknown=0, NotChecked=0, Total=1722 [2022-10-16 14:42:28,117 INFO L87 Difference]: Start difference. First operand 2689 states and 3510 transitions. Second operand has 42 states, 41 states have (on average 3.682926829268293) internal successors, (151), 42 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:30,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:42:30,856 INFO L93 Difference]: Finished difference Result 5506 states and 7008 transitions. [2022-10-16 14:42:30,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-10-16 14:42:30,858 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 41 states have (on average 3.682926829268293) internal successors, (151), 42 states have internal predecessors, (151), 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 83 [2022-10-16 14:42:30,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:42:30,863 INFO L225 Difference]: With dead ends: 5506 [2022-10-16 14:42:30,864 INFO L226 Difference]: Without dead ends: 4307 [2022-10-16 14:42:30,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2723 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1279, Invalid=7841, Unknown=0, NotChecked=0, Total=9120 [2022-10-16 14:42:30,867 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 1229 mSDsluCounter, 869 mSDsCounter, 0 mSdLazyCounter, 2101 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1229 SdHoareTripleChecker+Valid, 913 SdHoareTripleChecker+Invalid, 2209 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 2101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:42:30,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1229 Valid, 913 Invalid, 2209 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 2101 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 14:42:30,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4307 states. [2022-10-16 14:42:31,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4307 to 2762. [2022-10-16 14:42:31,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2762 states, 2755 states have (on average 1.3197822141560798) internal successors, (3636), 2761 states have internal predecessors, (3636), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:31,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2762 states to 2762 states and 3636 transitions. [2022-10-16 14:42:31,069 INFO L78 Accepts]: Start accepts. Automaton has 2762 states and 3636 transitions. Word has length 83 [2022-10-16 14:42:31,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:42:31,069 INFO L495 AbstractCegarLoop]: Abstraction has 2762 states and 3636 transitions. [2022-10-16 14:42:31,069 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 41 states have (on average 3.682926829268293) internal successors, (151), 42 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:31,069 INFO L276 IsEmpty]: Start isEmpty. Operand 2762 states and 3636 transitions. [2022-10-16 14:42:31,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-10-16 14:42:31,071 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:42:31,071 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:42:31,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2022-10-16 14:42:31,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2022-10-16 14:42:31,284 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:42:31,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:42:31,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1092398095, now seen corresponding path program 1 times [2022-10-16 14:42:31,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:42:31,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027787813] [2022-10-16 14:42:31,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:42:31,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:42:31,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:42:31,606 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:31,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:42:31,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027787813] [2022-10-16 14:42:31,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027787813] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:42:31,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [322116178] [2022-10-16 14:42:31,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:42:31,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:42:31,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:42:31,609 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:42:31,625 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2022-10-16 14:42:31,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:42:31,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-16 14:42:31,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:42:32,081 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:32,081 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:42:32,385 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:32,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [322116178] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:42:32,386 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:42:32,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 12] total 36 [2022-10-16 14:42:32,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977726814] [2022-10-16 14:42:32,386 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:42:32,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-10-16 14:42:32,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:42:32,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-10-16 14:42:32,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=252, Invalid=1080, Unknown=0, NotChecked=0, Total=1332 [2022-10-16 14:42:32,388 INFO L87 Difference]: Start difference. First operand 2762 states and 3636 transitions. Second operand has 37 states, 36 states have (on average 4.194444444444445) internal successors, (151), 37 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:34,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:42:34,615 INFO L93 Difference]: Finished difference Result 5154 states and 6420 transitions. [2022-10-16 14:42:34,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2022-10-16 14:42:34,615 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 36 states have (on average 4.194444444444445) internal successors, (151), 37 states have internal predecessors, (151), 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 83 [2022-10-16 14:42:34,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:42:34,621 INFO L225 Difference]: With dead ends: 5154 [2022-10-16 14:42:34,621 INFO L226 Difference]: Without dead ends: 5152 [2022-10-16 14:42:34,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1626 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1060, Invalid=4946, Unknown=0, NotChecked=0, Total=6006 [2022-10-16 14:42:34,623 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 2282 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 1419 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2282 SdHoareTripleChecker+Valid, 792 SdHoareTripleChecker+Invalid, 1505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 1419 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-10-16 14:42:34,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2282 Valid, 792 Invalid, 1505 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 1419 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-10-16 14:42:34,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5152 states. [2022-10-16 14:42:34,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5152 to 2743. [2022-10-16 14:42:34,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2743 states, 2736 states have (on average 1.3165204678362572) internal successors, (3602), 2742 states have internal predecessors, (3602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:34,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2743 states to 2743 states and 3602 transitions. [2022-10-16 14:42:34,803 INFO L78 Accepts]: Start accepts. Automaton has 2743 states and 3602 transitions. Word has length 83 [2022-10-16 14:42:34,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:42:34,803 INFO L495 AbstractCegarLoop]: Abstraction has 2743 states and 3602 transitions. [2022-10-16 14:42:34,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 36 states have (on average 4.194444444444445) internal successors, (151), 37 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:34,803 INFO L276 IsEmpty]: Start isEmpty. Operand 2743 states and 3602 transitions. [2022-10-16 14:42:34,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-10-16 14:42:34,804 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:42:34,805 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:42:34,828 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2022-10-16 14:42:35,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2022-10-16 14:42:35,006 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:42:35,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:42:35,007 INFO L85 PathProgramCache]: Analyzing trace with hash -247568935, now seen corresponding path program 2 times [2022-10-16 14:42:35,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:42:35,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554668045] [2022-10-16 14:42:35,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:42:35,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:42:35,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:42:35,252 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:35,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:42:35,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554668045] [2022-10-16 14:42:35,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554668045] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:42:35,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1689500852] [2022-10-16 14:42:35,253 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:42:35,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:42:35,254 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:42:35,255 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:42:35,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2022-10-16 14:42:35,395 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 14:42:35,395 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:42:35,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 272 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-16 14:42:35,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:42:35,461 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:35,461 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:42:35,710 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:35,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1689500852] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:42:35,711 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:42:35,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 27 [2022-10-16 14:42:35,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019910569] [2022-10-16 14:42:35,712 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:42:35,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-10-16 14:42:35,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:42:35,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-10-16 14:42:35,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=134, Invalid=622, Unknown=0, NotChecked=0, Total=756 [2022-10-16 14:42:35,713 INFO L87 Difference]: Start difference. First operand 2743 states and 3602 transitions. Second operand has 28 states, 27 states have (on average 3.962962962962963) internal successors, (107), 28 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:36,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:42:36,778 INFO L93 Difference]: Finished difference Result 3163 states and 4112 transitions. [2022-10-16 14:42:36,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2022-10-16 14:42:36,779 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 3.962962962962963) internal successors, (107), 28 states have internal predecessors, (107), 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 [2022-10-16 14:42:36,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:42:36,781 INFO L225 Difference]: With dead ends: 3163 [2022-10-16 14:42:36,781 INFO L226 Difference]: Without dead ends: 3162 [2022-10-16 14:42:36,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 820 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=828, Invalid=2832, Unknown=0, NotChecked=0, Total=3660 [2022-10-16 14:42:36,783 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 1144 mSDsluCounter, 449 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1144 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 14:42:36,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1144 Valid, 487 Invalid, 700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 14:42:36,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3162 states. [2022-10-16 14:42:36,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3162 to 2677. [2022-10-16 14:42:36,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2677 states, 2671 states have (on average 1.309247472856608) internal successors, (3497), 2676 states have internal predecessors, (3497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:36,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2677 states to 2677 states and 3497 transitions. [2022-10-16 14:42:36,935 INFO L78 Accepts]: Start accepts. Automaton has 2677 states and 3497 transitions. Word has length 85 [2022-10-16 14:42:36,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:42:36,936 INFO L495 AbstractCegarLoop]: Abstraction has 2677 states and 3497 transitions. [2022-10-16 14:42:36,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 3.962962962962963) internal successors, (107), 28 states have internal predecessors, (107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:36,936 INFO L276 IsEmpty]: Start isEmpty. Operand 2677 states and 3497 transitions. [2022-10-16 14:42:36,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-10-16 14:42:36,938 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:42:36,938 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:42:36,981 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2022-10-16 14:42:37,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:42:37,153 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:42:37,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:42:37,154 INFO L85 PathProgramCache]: Analyzing trace with hash 915303777, now seen corresponding path program 1 times [2022-10-16 14:42:37,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:42:37,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581713651] [2022-10-16 14:42:37,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:42:37,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:42:37,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:42:37,428 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:37,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:42:37,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581713651] [2022-10-16 14:42:37,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581713651] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:42:37,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [235656154] [2022-10-16 14:42:37,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:42:37,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:42:37,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:42:37,432 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:42:37,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2022-10-16 14:42:37,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:42:37,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-16 14:42:37,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:42:37,892 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:37,892 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:42:38,248 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:38,248 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [235656154] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:42:38,248 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:42:38,248 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 37 [2022-10-16 14:42:38,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982097843] [2022-10-16 14:42:38,249 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:42:38,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2022-10-16 14:42:38,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:42:38,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2022-10-16 14:42:38,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=245, Invalid=1161, Unknown=0, NotChecked=0, Total=1406 [2022-10-16 14:42:38,251 INFO L87 Difference]: Start difference. First operand 2677 states and 3497 transitions. Second operand has 38 states, 37 states have (on average 4.324324324324325) internal successors, (160), 38 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:40,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:42:40,149 INFO L93 Difference]: Finished difference Result 4615 states and 5785 transitions. [2022-10-16 14:42:40,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-10-16 14:42:40,150 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 37 states have (on average 4.324324324324325) internal successors, (160), 38 states have internal predecessors, (160), 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 [2022-10-16 14:42:40,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:42:40,156 INFO L225 Difference]: With dead ends: 4615 [2022-10-16 14:42:40,156 INFO L226 Difference]: Without dead ends: 4613 [2022-10-16 14:42:40,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1212 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1038, Invalid=4218, Unknown=0, NotChecked=0, Total=5256 [2022-10-16 14:42:40,158 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 1421 mSDsluCounter, 697 mSDsCounter, 0 mSdLazyCounter, 1214 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1421 SdHoareTripleChecker+Valid, 731 SdHoareTripleChecker+Invalid, 1297 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 1214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-16 14:42:40,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1421 Valid, 731 Invalid, 1297 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 1214 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-16 14:42:40,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4613 states. [2022-10-16 14:42:40,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4613 to 2903. [2022-10-16 14:42:40,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2903 states, 2897 states have (on average 1.3175698998964447) internal successors, (3817), 2902 states have internal predecessors, (3817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:40,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2903 states to 2903 states and 3817 transitions. [2022-10-16 14:42:40,413 INFO L78 Accepts]: Start accepts. Automaton has 2903 states and 3817 transitions. Word has length 86 [2022-10-16 14:42:40,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:42:40,413 INFO L495 AbstractCegarLoop]: Abstraction has 2903 states and 3817 transitions. [2022-10-16 14:42:40,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 37 states have (on average 4.324324324324325) internal successors, (160), 38 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:40,413 INFO L276 IsEmpty]: Start isEmpty. Operand 2903 states and 3817 transitions. [2022-10-16 14:42:40,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 14:42:40,415 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:42:40,415 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:42:40,453 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2022-10-16 14:42:40,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2022-10-16 14:42:40,629 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:42:40,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:42:40,631 INFO L85 PathProgramCache]: Analyzing trace with hash 313034400, now seen corresponding path program 1 times [2022-10-16 14:42:40,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:42:40,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597686722] [2022-10-16 14:42:40,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:42:40,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:42:40,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:42:40,954 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:40,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:42:40,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597686722] [2022-10-16 14:42:40,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597686722] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:42:40,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [678801109] [2022-10-16 14:42:40,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:42:40,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:42:40,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:42:40,956 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:42:40,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2022-10-16 14:42:41,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:42:41,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-16 14:42:41,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:42:41,488 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 3 proven. 33 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:41,489 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:42:41,867 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 3 proven. 33 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:41,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [678801109] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:42:41,867 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:42:41,868 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 14] total 42 [2022-10-16 14:42:41,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398455752] [2022-10-16 14:42:41,868 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:42:41,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-10-16 14:42:41,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:42:41,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-10-16 14:42:41,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=1528, Unknown=0, NotChecked=0, Total=1806 [2022-10-16 14:42:41,870 INFO L87 Difference]: Start difference. First operand 2903 states and 3817 transitions. Second operand has 43 states, 42 states have (on average 3.9523809523809526) internal successors, (166), 43 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:45,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:42:45,024 INFO L93 Difference]: Finished difference Result 5281 states and 6556 transitions. [2022-10-16 14:42:45,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2022-10-16 14:42:45,025 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 3.9523809523809526) internal successors, (166), 43 states have internal predecessors, (166), 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 [2022-10-16 14:42:45,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:42:45,030 INFO L225 Difference]: With dead ends: 5281 [2022-10-16 14:42:45,030 INFO L226 Difference]: Without dead ends: 5279 [2022-10-16 14:42:45,032 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3395 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1829, Invalid=9301, Unknown=0, NotChecked=0, Total=11130 [2022-10-16 14:42:45,033 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 2416 mSDsluCounter, 805 mSDsCounter, 0 mSdLazyCounter, 1759 mSolverCounterSat, 131 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2416 SdHoareTripleChecker+Valid, 854 SdHoareTripleChecker+Invalid, 1890 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 131 IncrementalHoareTripleChecker+Valid, 1759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:42:45,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2416 Valid, 854 Invalid, 1890 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [131 Valid, 1759 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-16 14:42:45,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5279 states. [2022-10-16 14:42:45,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5279 to 2790. [2022-10-16 14:42:45,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2790 states, 2784 states have (on average 1.3089080459770115) internal successors, (3644), 2789 states have internal predecessors, (3644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:45,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2790 states to 2790 states and 3644 transitions. [2022-10-16 14:42:45,255 INFO L78 Accepts]: Start accepts. Automaton has 2790 states and 3644 transitions. Word has length 88 [2022-10-16 14:42:45,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:42:45,255 INFO L495 AbstractCegarLoop]: Abstraction has 2790 states and 3644 transitions. [2022-10-16 14:42:45,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 3.9523809523809526) internal successors, (166), 43 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:45,255 INFO L276 IsEmpty]: Start isEmpty. Operand 2790 states and 3644 transitions. [2022-10-16 14:42:45,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 14:42:45,257 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:42:45,257 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:42:45,282 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2022-10-16 14:42:45,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2022-10-16 14:42:45,458 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:42:45,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:42:45,459 INFO L85 PathProgramCache]: Analyzing trace with hash -2028656512, now seen corresponding path program 1 times [2022-10-16 14:42:45,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:42:45,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082144224] [2022-10-16 14:42:45,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:42:45,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:42:45,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:42:45,773 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:45,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:42:45,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082144224] [2022-10-16 14:42:45,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082144224] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:42:45,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [103848857] [2022-10-16 14:42:45,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:42:45,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:42:45,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:42:45,776 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:42:45,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2022-10-16 14:42:45,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:42:45,918 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-16 14:42:45,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:42:46,309 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 3 proven. 33 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:46,309 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:42:46,660 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 3 proven. 33 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:46,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [103848857] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:42:46,661 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:42:46,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 13] total 41 [2022-10-16 14:42:46,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68217235] [2022-10-16 14:42:46,661 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:42:46,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2022-10-16 14:42:46,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:42:46,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2022-10-16 14:42:46,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=286, Invalid=1436, Unknown=0, NotChecked=0, Total=1722 [2022-10-16 14:42:46,663 INFO L87 Difference]: Start difference. First operand 2790 states and 3644 transitions. Second operand has 42 states, 41 states have (on average 4.048780487804878) internal successors, (166), 42 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:50,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:42:50,164 INFO L93 Difference]: Finished difference Result 5316 states and 6593 transitions. [2022-10-16 14:42:50,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2022-10-16 14:42:50,165 INFO L78 Accepts]: Start accepts. Automaton has has 42 states, 41 states have (on average 4.048780487804878) internal successors, (166), 42 states have internal predecessors, (166), 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 [2022-10-16 14:42:50,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:42:50,171 INFO L225 Difference]: With dead ends: 5316 [2022-10-16 14:42:50,172 INFO L226 Difference]: Without dead ends: 5314 [2022-10-16 14:42:50,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3498 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1677, Invalid=9879, Unknown=0, NotChecked=0, Total=11556 [2022-10-16 14:42:50,176 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 2446 mSDsluCounter, 1000 mSDsCounter, 0 mSdLazyCounter, 2317 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2446 SdHoareTripleChecker+Valid, 1061 SdHoareTripleChecker+Invalid, 2449 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 2317 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 14:42:50,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2446 Valid, 1061 Invalid, 2449 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 2317 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 14:42:50,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5314 states. [2022-10-16 14:42:50,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5314 to 2737. [2022-10-16 14:42:50,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2737 states, 2731 states have (on average 1.3094104723544489) internal successors, (3576), 2736 states have internal predecessors, (3576), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:50,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2737 states to 2737 states and 3576 transitions. [2022-10-16 14:42:50,442 INFO L78 Accepts]: Start accepts. Automaton has 2737 states and 3576 transitions. Word has length 88 [2022-10-16 14:42:50,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:42:50,442 INFO L495 AbstractCegarLoop]: Abstraction has 2737 states and 3576 transitions. [2022-10-16 14:42:50,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 41 states have (on average 4.048780487804878) internal successors, (166), 42 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:50,442 INFO L276 IsEmpty]: Start isEmpty. Operand 2737 states and 3576 transitions. [2022-10-16 14:42:50,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 14:42:50,444 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:42:50,444 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:42:50,478 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2022-10-16 14:42:50,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:42:50,657 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:42:50,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:42:50,658 INFO L85 PathProgramCache]: Analyzing trace with hash -867148195, now seen corresponding path program 1 times [2022-10-16 14:42:50,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:42:50,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175357480] [2022-10-16 14:42:50,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:42:50,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:42:50,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:42:50,973 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:50,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:42:50,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175357480] [2022-10-16 14:42:50,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175357480] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:42:50,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2009692586] [2022-10-16 14:42:50,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:42:50,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:42:50,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:42:50,975 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:42:50,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2022-10-16 14:42:51,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:42:51,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-16 14:42:51,114 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:42:51,508 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:51,508 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:42:51,934 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:51,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2009692586] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:42:51,934 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:42:51,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 43 [2022-10-16 14:42:51,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405144661] [2022-10-16 14:42:51,935 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:42:51,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-10-16 14:42:51,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:42:51,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-10-16 14:42:51,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=279, Invalid=1613, Unknown=0, NotChecked=0, Total=1892 [2022-10-16 14:42:51,937 INFO L87 Difference]: Start difference. First operand 2737 states and 3576 transitions. Second operand has 44 states, 43 states have (on average 3.86046511627907) internal successors, (166), 44 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:54,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:42:54,562 INFO L93 Difference]: Finished difference Result 4999 states and 6204 transitions. [2022-10-16 14:42:54,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2022-10-16 14:42:54,563 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 43 states have (on average 3.86046511627907) internal successors, (166), 44 states have internal predecessors, (166), 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 [2022-10-16 14:42:54,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:42:54,568 INFO L225 Difference]: With dead ends: 4999 [2022-10-16 14:42:54,568 INFO L226 Difference]: Without dead ends: 4997 [2022-10-16 14:42:54,570 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2411 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1621, Invalid=7885, Unknown=0, NotChecked=0, Total=9506 [2022-10-16 14:42:54,570 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 1984 mSDsluCounter, 657 mSDsCounter, 0 mSdLazyCounter, 1230 mSolverCounterSat, 173 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1984 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 1403 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 1230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 14:42:54,571 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1984 Valid, 690 Invalid, 1403 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 1230 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 14:42:54,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4997 states. [2022-10-16 14:42:54,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4997 to 2731. [2022-10-16 14:42:54,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2731 states, 2725 states have (on average 1.308256880733945) internal successors, (3565), 2730 states have internal predecessors, (3565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:54,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2731 states to 2731 states and 3565 transitions. [2022-10-16 14:42:54,750 INFO L78 Accepts]: Start accepts. Automaton has 2731 states and 3565 transitions. Word has length 88 [2022-10-16 14:42:54,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:42:54,751 INFO L495 AbstractCegarLoop]: Abstraction has 2731 states and 3565 transitions. [2022-10-16 14:42:54,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 43 states have (on average 3.86046511627907) internal successors, (166), 44 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:54,751 INFO L276 IsEmpty]: Start isEmpty. Operand 2731 states and 3565 transitions. [2022-10-16 14:42:54,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-10-16 14:42:54,752 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:42:54,752 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:42:54,783 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2022-10-16 14:42:54,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:42:54,966 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:42:54,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:42:54,967 INFO L85 PathProgramCache]: Analyzing trace with hash -1275820155, now seen corresponding path program 1 times [2022-10-16 14:42:54,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:42:54,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796958290] [2022-10-16 14:42:54,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:42:54,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:42:54,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:42:55,290 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:55,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:42:55,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796958290] [2022-10-16 14:42:55,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796958290] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:42:55,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929919232] [2022-10-16 14:42:55,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:42:55,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:42:55,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:42:55,293 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:42:55,316 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2022-10-16 14:42:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:42:55,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-16 14:42:55,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:42:55,815 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:55,815 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:42:56,200 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:42:56,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929919232] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:42:56,201 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:42:56,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 14] total 42 [2022-10-16 14:42:56,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881773880] [2022-10-16 14:42:56,202 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:42:56,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-10-16 14:42:56,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:42:56,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-10-16 14:42:56,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=1528, Unknown=0, NotChecked=0, Total=1806 [2022-10-16 14:42:56,204 INFO L87 Difference]: Start difference. First operand 2731 states and 3565 transitions. Second operand has 43 states, 42 states have (on average 3.9523809523809526) internal successors, (166), 43 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:59,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:42:59,473 INFO L93 Difference]: Finished difference Result 5441 states and 6741 transitions. [2022-10-16 14:42:59,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2022-10-16 14:42:59,474 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 3.9523809523809526) internal successors, (166), 43 states have internal predecessors, (166), 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 [2022-10-16 14:42:59,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:42:59,480 INFO L225 Difference]: With dead ends: 5441 [2022-10-16 14:42:59,480 INFO L226 Difference]: Without dead ends: 5439 [2022-10-16 14:42:59,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3424 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=1758, Invalid=9798, Unknown=0, NotChecked=0, Total=11556 [2022-10-16 14:42:59,482 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 2187 mSDsluCounter, 904 mSDsCounter, 0 mSdLazyCounter, 1921 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2187 SdHoareTripleChecker+Valid, 951 SdHoareTripleChecker+Invalid, 2051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 1921 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:42:59,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2187 Valid, 951 Invalid, 2051 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 1921 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 14:42:59,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5439 states. [2022-10-16 14:42:59,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5439 to 3009. [2022-10-16 14:42:59,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3009 states, 3003 states have (on average 1.3143523143523144) internal successors, (3947), 3008 states have internal predecessors, (3947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:59,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3009 states to 3009 states and 3947 transitions. [2022-10-16 14:42:59,695 INFO L78 Accepts]: Start accepts. Automaton has 3009 states and 3947 transitions. Word has length 88 [2022-10-16 14:42:59,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:42:59,695 INFO L495 AbstractCegarLoop]: Abstraction has 3009 states and 3947 transitions. [2022-10-16 14:42:59,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 3.9523809523809526) internal successors, (166), 43 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:42:59,695 INFO L276 IsEmpty]: Start isEmpty. Operand 3009 states and 3947 transitions. [2022-10-16 14:42:59,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-16 14:42:59,697 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:42:59,697 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 7, 7, 7, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:42:59,730 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2022-10-16 14:42:59,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:42:59,912 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:42:59,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:42:59,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1793941634, now seen corresponding path program 1 times [2022-10-16 14:42:59,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:42:59,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739629220] [2022-10-16 14:42:59,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:42:59,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:42:59,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:43:00,184 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-10-16 14:43:00,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:43:00,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739629220] [2022-10-16 14:43:00,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739629220] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:43:00,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1456187041] [2022-10-16 14:43:00,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:43:00,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:43:00,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:43:00,187 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:43:00,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2022-10-16 14:43:00,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:43:00,353 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-16 14:43:00,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:43:00,455 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-10-16 14:43:00,455 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:43:00,788 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-10-16 14:43:00,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1456187041] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:43:00,789 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:43:00,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 35 [2022-10-16 14:43:00,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327812827] [2022-10-16 14:43:00,789 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:43:00,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2022-10-16 14:43:00,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:43:00,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2022-10-16 14:43:00,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=311, Invalid=949, Unknown=0, NotChecked=0, Total=1260 [2022-10-16 14:43:00,791 INFO L87 Difference]: Start difference. First operand 3009 states and 3947 transitions. Second operand has 36 states, 35 states have (on average 3.5428571428571427) internal successors, (124), 36 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:43:02,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:43:02,502 INFO L93 Difference]: Finished difference Result 10022 states and 12209 transitions. [2022-10-16 14:43:02,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-10-16 14:43:02,503 INFO L78 Accepts]: Start accepts. Automaton has has 36 states, 35 states have (on average 3.5428571428571427) internal successors, (124), 36 states have internal predecessors, (124), 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 [2022-10-16 14:43:02,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:43:02,512 INFO L225 Difference]: With dead ends: 10022 [2022-10-16 14:43:02,512 INFO L226 Difference]: Without dead ends: 9997 [2022-10-16 14:43:02,514 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 989 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=951, Invalid=3209, Unknown=0, NotChecked=0, Total=4160 [2022-10-16 14:43:02,514 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 1583 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1583 SdHoareTripleChecker+Valid, 765 SdHoareTripleChecker+Invalid, 710 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 14:43:02,514 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1583 Valid, 765 Invalid, 710 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 683 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 14:43:02,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9997 states. [2022-10-16 14:43:02,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9997 to 3037. [2022-10-16 14:43:02,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3037 states, 3031 states have (on average 1.3147476080501486) internal successors, (3985), 3036 states have internal predecessors, (3985), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:43:02,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3037 states to 3037 states and 3985 transitions. [2022-10-16 14:43:02,767 INFO L78 Accepts]: Start accepts. Automaton has 3037 states and 3985 transitions. Word has length 89 [2022-10-16 14:43:02,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:43:02,767 INFO L495 AbstractCegarLoop]: Abstraction has 3037 states and 3985 transitions. [2022-10-16 14:43:02,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 35 states have (on average 3.5428571428571427) internal successors, (124), 36 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:43:02,768 INFO L276 IsEmpty]: Start isEmpty. Operand 3037 states and 3985 transitions. [2022-10-16 14:43:02,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 14:43:02,769 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:43:02,769 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:43:02,795 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2022-10-16 14:43:02,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2022-10-16 14:43:02,982 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:43:02,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:43:02,983 INFO L85 PathProgramCache]: Analyzing trace with hash -2003271807, now seen corresponding path program 1 times [2022-10-16 14:43:02,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:43:02,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057453872] [2022-10-16 14:43:02,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:43:02,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:43:03,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:43:03,336 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:43:03,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:43:03,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057453872] [2022-10-16 14:43:03,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057453872] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:43:03,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1453017344] [2022-10-16 14:43:03,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:43:03,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:43:03,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:43:03,338 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:43:03,339 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2022-10-16 14:43:03,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:43:03,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 18 conjunts are in the unsatisfiable core [2022-10-16 14:43:03,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:43:03,934 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:43:03,935 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:43:04,416 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:43:04,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1453017344] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:43:04,417 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:43:04,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 16] total 48 [2022-10-16 14:43:04,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783775723] [2022-10-16 14:43:04,417 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:43:04,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2022-10-16 14:43:04,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:43:04,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-10-16 14:43:04,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=312, Invalid=2040, Unknown=0, NotChecked=0, Total=2352 [2022-10-16 14:43:04,420 INFO L87 Difference]: Start difference. First operand 3037 states and 3985 transitions. Second operand has 49 states, 48 states have (on average 3.5833333333333335) internal successors, (172), 49 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:43:09,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:43:09,082 INFO L93 Difference]: Finished difference Result 6979 states and 8742 transitions. [2022-10-16 14:43:09,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2022-10-16 14:43:09,082 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 48 states have (on average 3.5833333333333335) internal successors, (172), 49 states have internal predecessors, (172), 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 [2022-10-16 14:43:09,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:43:09,087 INFO L225 Difference]: With dead ends: 6979 [2022-10-16 14:43:09,087 INFO L226 Difference]: Without dead ends: 5770 [2022-10-16 14:43:09,091 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7460 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=3040, Invalid=19012, Unknown=0, NotChecked=0, Total=22052 [2022-10-16 14:43:09,091 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 2773 mSDsluCounter, 843 mSDsCounter, 0 mSdLazyCounter, 2113 mSolverCounterSat, 211 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2773 SdHoareTripleChecker+Valid, 883 SdHoareTripleChecker+Invalid, 2324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 211 IncrementalHoareTripleChecker+Valid, 2113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-10-16 14:43:09,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2773 Valid, 883 Invalid, 2324 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [211 Valid, 2113 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-10-16 14:43:09,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5770 states. [2022-10-16 14:43:09,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5770 to 2891. [2022-10-16 14:43:09,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2891 states, 2885 states have (on average 1.3081455805892548) internal successors, (3774), 2890 states have internal predecessors, (3774), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:43:09,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2891 states to 2891 states and 3774 transitions. [2022-10-16 14:43:09,333 INFO L78 Accepts]: Start accepts. Automaton has 2891 states and 3774 transitions. Word has length 90 [2022-10-16 14:43:09,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:43:09,333 INFO L495 AbstractCegarLoop]: Abstraction has 2891 states and 3774 transitions. [2022-10-16 14:43:09,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 48 states have (on average 3.5833333333333335) internal successors, (172), 49 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:43:09,333 INFO L276 IsEmpty]: Start isEmpty. Operand 2891 states and 3774 transitions. [2022-10-16 14:43:09,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 14:43:09,334 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:43:09,335 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:43:09,360 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2022-10-16 14:43:09,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2022-10-16 14:43:09,548 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:43:09,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:43:09,549 INFO L85 PathProgramCache]: Analyzing trace with hash 358423154, now seen corresponding path program 1 times [2022-10-16 14:43:09,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:43:09,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874249885] [2022-10-16 14:43:09,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:43:09,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:43:09,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:43:09,841 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:43:09,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:43:09,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874249885] [2022-10-16 14:43:09,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874249885] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:43:09,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237815565] [2022-10-16 14:43:09,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:43:09,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:43:09,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:43:09,844 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:43:09,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2022-10-16 14:43:10,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:43:10,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-16 14:43:10,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:43:10,382 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:43:10,383 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:43:10,762 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:43:10,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1237815565] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:43:10,763 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:43:10,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 14] total 42 [2022-10-16 14:43:10,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739961248] [2022-10-16 14:43:10,764 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:43:10,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2022-10-16 14:43:10,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:43:10,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2022-10-16 14:43:10,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=1528, Unknown=0, NotChecked=0, Total=1806 [2022-10-16 14:43:10,765 INFO L87 Difference]: Start difference. First operand 2891 states and 3774 transitions. Second operand has 43 states, 42 states have (on average 4.166666666666667) internal successors, (175), 43 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:43:14,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:43:14,325 INFO L93 Difference]: Finished difference Result 5591 states and 6919 transitions. [2022-10-16 14:43:14,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2022-10-16 14:43:14,325 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 4.166666666666667) internal successors, (175), 43 states have internal predecessors, (175), 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 [2022-10-16 14:43:14,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:43:14,332 INFO L225 Difference]: With dead ends: 5591 [2022-10-16 14:43:14,332 INFO L226 Difference]: Without dead ends: 5589 [2022-10-16 14:43:14,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 265 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3823 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=2002, Invalid=10654, Unknown=0, NotChecked=0, Total=12656 [2022-10-16 14:43:14,334 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 2321 mSDsluCounter, 912 mSDsCounter, 0 mSdLazyCounter, 1888 mSolverCounterSat, 155 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2321 SdHoareTripleChecker+Valid, 966 SdHoareTripleChecker+Invalid, 2043 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 155 IncrementalHoareTripleChecker+Valid, 1888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:43:14,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2321 Valid, 966 Invalid, 2043 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [155 Valid, 1888 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-10-16 14:43:14,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5589 states. [2022-10-16 14:43:14,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5589 to 3017. [2022-10-16 14:43:14,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3017 states, 3011 states have (on average 1.3095317170375291) internal successors, (3943), 3016 states have internal predecessors, (3943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:43:14,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3017 states to 3017 states and 3943 transitions. [2022-10-16 14:43:14,582 INFO L78 Accepts]: Start accepts. Automaton has 3017 states and 3943 transitions. Word has length 91 [2022-10-16 14:43:14,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:43:14,583 INFO L495 AbstractCegarLoop]: Abstraction has 3017 states and 3943 transitions. [2022-10-16 14:43:14,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 4.166666666666667) internal successors, (175), 43 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:43:14,583 INFO L276 IsEmpty]: Start isEmpty. Operand 3017 states and 3943 transitions. [2022-10-16 14:43:14,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 14:43:14,585 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:43:14,585 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:43:14,620 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2022-10-16 14:43:14,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2022-10-16 14:43:14,799 INFO L420 AbstractCegarLoop]: === Iteration 57 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:43:14,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:43:14,800 INFO L85 PathProgramCache]: Analyzing trace with hash 432813142, now seen corresponding path program 1 times [2022-10-16 14:43:14,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:43:14,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138911299] [2022-10-16 14:43:14,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:43:14,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:43:14,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:43:15,152 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:43:15,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:43:15,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138911299] [2022-10-16 14:43:15,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138911299] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:43:15,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1960740422] [2022-10-16 14:43:15,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:43:15,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:43:15,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:43:15,154 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:43:15,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2022-10-16 14:43:15,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:43:15,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 18 conjunts are in the unsatisfiable core [2022-10-16 14:43:15,312 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:43:15,778 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:43:15,779 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:43:16,225 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:43:16,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1960740422] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:43:16,226 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:43:16,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 15] total 47 [2022-10-16 14:43:16,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449896698] [2022-10-16 14:43:16,227 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:43:16,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-10-16 14:43:16,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:43:16,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-10-16 14:43:16,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=312, Invalid=1944, Unknown=0, NotChecked=0, Total=2256 [2022-10-16 14:43:16,229 INFO L87 Difference]: Start difference. First operand 3017 states and 3943 transitions. Second operand has 48 states, 47 states have (on average 3.851063829787234) internal successors, (181), 48 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:43:21,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:43:21,322 INFO L93 Difference]: Finished difference Result 6621 states and 8291 transitions. [2022-10-16 14:43:21,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2022-10-16 14:43:21,323 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 3.851063829787234) internal successors, (181), 48 states have internal predecessors, (181), 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 [2022-10-16 14:43:21,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:43:21,328 INFO L225 Difference]: With dead ends: 6621 [2022-10-16 14:43:21,328 INFO L226 Difference]: Without dead ends: 5476 [2022-10-16 14:43:21,331 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7523 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=2911, Invalid=19141, Unknown=0, NotChecked=0, Total=22052 [2022-10-16 14:43:21,331 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 2248 mSDsluCounter, 1172 mSDsCounter, 0 mSdLazyCounter, 2862 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2248 SdHoareTripleChecker+Valid, 1234 SdHoareTripleChecker+Invalid, 3023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 2862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-16 14:43:21,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2248 Valid, 1234 Invalid, 3023 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 2862 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-16 14:43:21,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5476 states. [2022-10-16 14:43:21,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5476 to 2901. [2022-10-16 14:43:21,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2901 states, 2895 states have (on average 1.3101899827288428) internal successors, (3793), 2900 states have internal predecessors, (3793), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:43:21,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2901 states to 2901 states and 3793 transitions. [2022-10-16 14:43:21,546 INFO L78 Accepts]: Start accepts. Automaton has 2901 states and 3793 transitions. Word has length 93 [2022-10-16 14:43:21,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:43:21,546 INFO L495 AbstractCegarLoop]: Abstraction has 2901 states and 3793 transitions. [2022-10-16 14:43:21,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 3.851063829787234) internal successors, (181), 48 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:43:21,547 INFO L276 IsEmpty]: Start isEmpty. Operand 2901 states and 3793 transitions. [2022-10-16 14:43:21,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 14:43:21,548 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:43:21,549 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:43:21,580 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2022-10-16 14:43:21,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2022-10-16 14:43:21,762 INFO L420 AbstractCegarLoop]: === Iteration 58 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:43:21,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:43:21,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1712022134, now seen corresponding path program 1 times [2022-10-16 14:43:21,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:43:21,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393829251] [2022-10-16 14:43:21,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:43:21,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:43:21,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:43:21,926 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:43:21,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:43:21,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393829251] [2022-10-16 14:43:21,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393829251] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:43:21,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94428082] [2022-10-16 14:43:21,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:43:21,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:43:21,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:43:21,928 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:43:21,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2022-10-16 14:43:22,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:43:22,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-16 14:43:22,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:43:22,180 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:43:22,181 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:43:22,302 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:43:22,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94428082] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:43:22,303 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:43:22,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2022-10-16 14:43:22,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135175263] [2022-10-16 14:43:22,303 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:43:22,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-10-16 14:43:22,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:43:22,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-10-16 14:43:22,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2022-10-16 14:43:22,305 INFO L87 Difference]: Start difference. First operand 2901 states and 3793 transitions. Second operand has 16 states, 15 states have (on average 8.466666666666667) internal successors, (127), 16 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:43:23,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:43:23,259 INFO L93 Difference]: Finished difference Result 4364 states and 5566 transitions. [2022-10-16 14:43:23,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-10-16 14:43:23,260 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 8.466666666666667) internal successors, (127), 16 states have internal predecessors, (127), 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 [2022-10-16 14:43:23,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:43:23,263 INFO L225 Difference]: With dead ends: 4364 [2022-10-16 14:43:23,263 INFO L226 Difference]: Without dead ends: 4363 [2022-10-16 14:43:23,264 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 366 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=342, Invalid=1218, Unknown=0, NotChecked=0, Total=1560 [2022-10-16 14:43:23,265 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 875 mSDsluCounter, 454 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 875 SdHoareTripleChecker+Valid, 501 SdHoareTripleChecker+Invalid, 500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 14:43:23,265 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [875 Valid, 501 Invalid, 500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 14:43:23,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4363 states. [2022-10-16 14:43:23,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4363 to 3029. [2022-10-16 14:43:23,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3029 states, 3023 states have (on average 1.308303010254714) internal successors, (3955), 3028 states have internal predecessors, (3955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:43:23,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3029 states to 3029 states and 3955 transitions. [2022-10-16 14:43:23,487 INFO L78 Accepts]: Start accepts. Automaton has 3029 states and 3955 transitions. Word has length 95 [2022-10-16 14:43:23,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:43:23,487 INFO L495 AbstractCegarLoop]: Abstraction has 3029 states and 3955 transitions. [2022-10-16 14:43:23,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 8.466666666666667) internal successors, (127), 16 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:43:23,488 INFO L276 IsEmpty]: Start isEmpty. Operand 3029 states and 3955 transitions. [2022-10-16 14:43:23,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 14:43:23,489 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:43:23,489 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:43:23,513 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2022-10-16 14:43:23,689 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57,43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:43:23,690 INFO L420 AbstractCegarLoop]: === Iteration 59 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:43:23,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:43:23,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1984778319, now seen corresponding path program 1 times [2022-10-16 14:43:23,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:43:23,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707535444] [2022-10-16 14:43:23,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:43:23,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:43:23,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:43:24,018 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 5 proven. 58 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:43:24,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:43:24,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707535444] [2022-10-16 14:43:24,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707535444] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:43:24,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [370458304] [2022-10-16 14:43:24,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:43:24,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:43:24,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:43:24,023 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:43:24,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2022-10-16 14:43:24,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:43:24,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 287 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-16 14:43:24,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:43:24,596 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 5 proven. 58 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:43:24,597 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:43:25,063 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 5 proven. 58 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:43:25,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [370458304] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:43:25,064 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:43:25,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 43 [2022-10-16 14:43:25,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90652738] [2022-10-16 14:43:25,065 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:43:25,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2022-10-16 14:43:25,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:43:25,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2022-10-16 14:43:25,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=335, Invalid=1557, Unknown=0, NotChecked=0, Total=1892 [2022-10-16 14:43:25,067 INFO L87 Difference]: Start difference. First operand 3029 states and 3955 transitions. Second operand has 44 states, 43 states have (on average 4.348837209302325) internal successors, (187), 44 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:43:27,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:43:27,799 INFO L93 Difference]: Finished difference Result 5413 states and 6758 transitions. [2022-10-16 14:43:27,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-10-16 14:43:27,800 INFO L78 Accepts]: Start accepts. Automaton has has 44 states, 43 states have (on average 4.348837209302325) internal successors, (187), 44 states have internal predecessors, (187), 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 [2022-10-16 14:43:27,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:43:27,804 INFO L225 Difference]: With dead ends: 5413 [2022-10-16 14:43:27,804 INFO L226 Difference]: Without dead ends: 5411 [2022-10-16 14:43:27,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2454 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1806, Invalid=7506, Unknown=0, NotChecked=0, Total=9312 [2022-10-16 14:43:27,805 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 1812 mSDsluCounter, 731 mSDsCounter, 0 mSdLazyCounter, 1270 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1812 SdHoareTripleChecker+Valid, 766 SdHoareTripleChecker+Invalid, 1375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 1270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-10-16 14:43:27,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1812 Valid, 766 Invalid, 1375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 1270 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-10-16 14:43:27,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5411 states. [2022-10-16 14:43:28,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5411 to 3184. [2022-10-16 14:43:28,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3184 states, 3178 states have (on average 1.3121460037759598) internal successors, (4170), 3183 states have internal predecessors, (4170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:43:28,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3184 states to 3184 states and 4170 transitions. [2022-10-16 14:43:28,065 INFO L78 Accepts]: Start accepts. Automaton has 3184 states and 4170 transitions. Word has length 95 [2022-10-16 14:43:28,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:43:28,065 INFO L495 AbstractCegarLoop]: Abstraction has 3184 states and 4170 transitions. [2022-10-16 14:43:28,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 43 states have (on average 4.348837209302325) internal successors, (187), 44 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:43:28,065 INFO L276 IsEmpty]: Start isEmpty. Operand 3184 states and 4170 transitions. [2022-10-16 14:43:28,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 14:43:28,066 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:43:28,067 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:43:28,090 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2022-10-16 14:43:28,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2022-10-16 14:43:28,268 INFO L420 AbstractCegarLoop]: === Iteration 60 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:43:28,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:43:28,268 INFO L85 PathProgramCache]: Analyzing trace with hash -279000202, now seen corresponding path program 1 times [2022-10-16 14:43:28,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:43:28,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461031735] [2022-10-16 14:43:28,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:43:28,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:43:28,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:43:28,394 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:43:28,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:43:28,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461031735] [2022-10-16 14:43:28,395 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461031735] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:43:28,395 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1492524684] [2022-10-16 14:43:28,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:43:28,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:43:28,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:43:28,401 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:43:28,427 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2022-10-16 14:43:28,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:43:28,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-16 14:43:28,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:43:28,655 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:43:28,655 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:43:28,791 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:43:28,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1492524684] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:43:28,791 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:43:28,792 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 15 [2022-10-16 14:43:28,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842464809] [2022-10-16 14:43:28,792 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:43:28,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-10-16 14:43:28,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:43:28,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-10-16 14:43:28,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2022-10-16 14:43:28,794 INFO L87 Difference]: Start difference. First operand 3184 states and 4170 transitions. Second operand has 16 states, 15 states have (on average 8.733333333333333) internal successors, (131), 16 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:43:29,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:43:29,613 INFO L93 Difference]: Finished difference Result 4300 states and 5484 transitions. [2022-10-16 14:43:29,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-10-16 14:43:29,614 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 8.733333333333333) internal successors, (131), 16 states have internal predecessors, (131), 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 97 [2022-10-16 14:43:29,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:43:29,618 INFO L225 Difference]: With dead ends: 4300 [2022-10-16 14:43:29,618 INFO L226 Difference]: Without dead ends: 4299 [2022-10-16 14:43:29,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 246 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=262, Invalid=928, Unknown=0, NotChecked=0, Total=1190 [2022-10-16 14:43:29,619 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 857 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 451 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 857 SdHoareTripleChecker+Valid, 493 SdHoareTripleChecker+Invalid, 475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 14:43:29,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [857 Valid, 493 Invalid, 475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 451 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 14:43:29,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4299 states. [2022-10-16 14:43:29,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4299 to 3204. [2022-10-16 14:43:29,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3204 states, 3198 states have (on average 1.310193871169481) internal successors, (4190), 3203 states have internal predecessors, (4190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:43:29,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3204 states to 3204 states and 4190 transitions. [2022-10-16 14:43:29,895 INFO L78 Accepts]: Start accepts. Automaton has 3204 states and 4190 transitions. Word has length 97 [2022-10-16 14:43:29,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:43:29,895 INFO L495 AbstractCegarLoop]: Abstraction has 3204 states and 4190 transitions. [2022-10-16 14:43:29,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 8.733333333333333) internal successors, (131), 16 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:43:29,896 INFO L276 IsEmpty]: Start isEmpty. Operand 3204 states and 4190 transitions. [2022-10-16 14:43:29,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 14:43:29,897 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:43:29,897 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:43:29,921 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Ended with exit code 0 [2022-10-16 14:43:30,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2022-10-16 14:43:30,098 INFO L420 AbstractCegarLoop]: === Iteration 61 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:43:30,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:43:30,099 INFO L85 PathProgramCache]: Analyzing trace with hash -367422636, now seen corresponding path program 1 times [2022-10-16 14:43:30,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:43:30,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079328563] [2022-10-16 14:43:30,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:43:30,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:43:30,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:43:30,497 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:43:30,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:43:30,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079328563] [2022-10-16 14:43:30,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079328563] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:43:30,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [121611113] [2022-10-16 14:43:30,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:43:30,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:43:30,499 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:43:30,500 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:43:30,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2022-10-16 14:43:30,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:43:30,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 20 conjunts are in the unsatisfiable core [2022-10-16 14:43:30,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:43:31,224 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:43:31,224 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:43:31,778 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 8 proven. 33 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:43:31,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [121611113] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:43:31,778 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:43:31,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 17] total 53 [2022-10-16 14:43:31,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580362097] [2022-10-16 14:43:31,779 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:43:31,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2022-10-16 14:43:31,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:43:31,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2022-10-16 14:43:31,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=346, Invalid=2516, Unknown=0, NotChecked=0, Total=2862 [2022-10-16 14:43:31,780 INFO L87 Difference]: Start difference. First operand 3204 states and 4190 transitions. Second operand has 54 states, 53 states have (on average 3.641509433962264) internal successors, (193), 54 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:43:38,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:43:38,203 INFO L93 Difference]: Finished difference Result 7036 states and 8836 transitions. [2022-10-16 14:43:38,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2022-10-16 14:43:38,204 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 53 states have (on average 3.641509433962264) internal successors, (193), 54 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2022-10-16 14:43:38,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:43:38,209 INFO L225 Difference]: With dead ends: 7036 [2022-10-16 14:43:38,209 INFO L226 Difference]: Without dead ends: 5709 [2022-10-16 14:43:38,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10643 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=3774, Invalid=26328, Unknown=0, NotChecked=0, Total=30102 [2022-10-16 14:43:38,212 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 2469 mSDsluCounter, 1281 mSDsCounter, 0 mSdLazyCounter, 3852 mSolverCounterSat, 233 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2469 SdHoareTripleChecker+Valid, 1333 SdHoareTripleChecker+Invalid, 4085 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 233 IncrementalHoareTripleChecker+Valid, 3852 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:43:38,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2469 Valid, 1333 Invalid, 4085 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [233 Valid, 3852 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-10-16 14:43:38,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5709 states. [2022-10-16 14:43:38,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5709 to 3197. [2022-10-16 14:43:38,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3197 states, 3191 states have (on average 1.307113757442808) internal successors, (4171), 3196 states have internal predecessors, (4171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:43:38,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3197 states to 3197 states and 4171 transitions. [2022-10-16 14:43:38,491 INFO L78 Accepts]: Start accepts. Automaton has 3197 states and 4171 transitions. Word has length 97 [2022-10-16 14:43:38,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:43:38,492 INFO L495 AbstractCegarLoop]: Abstraction has 3197 states and 4171 transitions. [2022-10-16 14:43:38,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 53 states have (on average 3.641509433962264) internal successors, (193), 54 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:43:38,492 INFO L276 IsEmpty]: Start isEmpty. Operand 3197 states and 4171 transitions. [2022-10-16 14:43:38,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 14:43:38,493 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:43:38,493 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:43:38,516 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2022-10-16 14:43:38,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable60 [2022-10-16 14:43:38,694 INFO L420 AbstractCegarLoop]: === Iteration 62 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:43:38,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:43:38,695 INFO L85 PathProgramCache]: Analyzing trace with hash 730158421, now seen corresponding path program 1 times [2022-10-16 14:43:38,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:43:38,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231344948] [2022-10-16 14:43:38,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:43:38,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:43:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:43:39,074 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 5 proven. 58 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:43:39,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:43:39,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231344948] [2022-10-16 14:43:39,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231344948] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:43:39,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [933908093] [2022-10-16 14:43:39,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:43:39,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:43:39,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:43:39,077 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:43:39,077 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2022-10-16 14:43:39,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:43:39,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 18 conjunts are in the unsatisfiable core [2022-10-16 14:43:39,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:43:39,693 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 5 proven. 58 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:43:39,693 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:43:40,181 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 5 proven. 58 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:43:40,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [933908093] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:43:40,182 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:43:40,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 16] total 48 [2022-10-16 14:43:40,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052106407] [2022-10-16 14:43:40,182 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:43:40,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2022-10-16 14:43:40,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:43:40,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-10-16 14:43:40,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=372, Invalid=1980, Unknown=0, NotChecked=0, Total=2352 [2022-10-16 14:43:40,184 INFO L87 Difference]: Start difference. First operand 3197 states and 4171 transitions. Second operand has 49 states, 48 states have (on average 4.020833333333333) internal successors, (193), 49 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:43:44,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:43:44,381 INFO L93 Difference]: Finished difference Result 5843 states and 7189 transitions. [2022-10-16 14:43:44,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2022-10-16 14:43:44,382 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 48 states have (on average 4.020833333333333) internal successors, (193), 49 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2022-10-16 14:43:44,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:43:44,387 INFO L225 Difference]: With dead ends: 5843 [2022-10-16 14:43:44,387 INFO L226 Difference]: Without dead ends: 5841 [2022-10-16 14:43:44,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5259 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=2605, Invalid=13907, Unknown=0, NotChecked=0, Total=16512 [2022-10-16 14:43:44,390 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 3112 mSDsluCounter, 958 mSDsCounter, 0 mSdLazyCounter, 2137 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3112 SdHoareTripleChecker+Valid, 1002 SdHoareTripleChecker+Invalid, 2307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 2137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:43:44,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3112 Valid, 1002 Invalid, 2307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [170 Valid, 2137 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-10-16 14:43:44,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5841 states. [2022-10-16 14:43:44,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5841 to 3205. [2022-10-16 14:43:44,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3205 states, 3199 states have (on average 1.301969365426696) internal successors, (4165), 3204 states have internal predecessors, (4165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:43:44,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3205 states to 3205 states and 4165 transitions. [2022-10-16 14:43:44,686 INFO L78 Accepts]: Start accepts. Automaton has 3205 states and 4165 transitions. Word has length 97 [2022-10-16 14:43:44,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:43:44,686 INFO L495 AbstractCegarLoop]: Abstraction has 3205 states and 4165 transitions. [2022-10-16 14:43:44,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 48 states have (on average 4.020833333333333) internal successors, (193), 49 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:43:44,686 INFO L276 IsEmpty]: Start isEmpty. Operand 3205 states and 4165 transitions. [2022-10-16 14:43:44,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-16 14:43:44,688 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:43:44,688 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 6, 6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:43:44,711 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Ended with exit code 0 [2022-10-16 14:43:44,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,47 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:43:44,894 INFO L420 AbstractCegarLoop]: === Iteration 63 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:43:44,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:43:44,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1959070163, now seen corresponding path program 1 times [2022-10-16 14:43:44,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:43:44,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469055358] [2022-10-16 14:43:44,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:43:44,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:43:44,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:43:45,314 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:43:45,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:43:45,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469055358] [2022-10-16 14:43:45,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469055358] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:43:45,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [729646000] [2022-10-16 14:43:45,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:43:45,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:43:45,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:43:45,317 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:43:45,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2022-10-16 14:43:45,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:43:45,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 20 conjunts are in the unsatisfiable core [2022-10-16 14:43:45,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:43:46,040 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:43:46,040 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:43:46,629 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:43:46,630 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [729646000] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:43:46,630 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:43:46,630 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 18] total 54 [2022-10-16 14:43:46,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910481149] [2022-10-16 14:43:46,631 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:43:46,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2022-10-16 14:43:46,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:43:46,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2022-10-16 14:43:46,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=482, Invalid=2488, Unknown=0, NotChecked=0, Total=2970 [2022-10-16 14:43:46,633 INFO L87 Difference]: Start difference. First operand 3205 states and 4165 transitions. Second operand has 55 states, 54 states have (on average 3.685185185185185) internal successors, (199), 55 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:43:52,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:43:52,053 INFO L93 Difference]: Finished difference Result 6693 states and 8195 transitions. [2022-10-16 14:43:52,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2022-10-16 14:43:52,055 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 54 states have (on average 3.685185185185185) internal successors, (199), 55 states have internal predecessors, (199), 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 99 [2022-10-16 14:43:52,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:43:52,062 INFO L225 Difference]: With dead ends: 6693 [2022-10-16 14:43:52,062 INFO L226 Difference]: Without dead ends: 6691 [2022-10-16 14:43:52,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 314 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7725 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=3620, Invalid=19942, Unknown=0, NotChecked=0, Total=23562 [2022-10-16 14:43:52,065 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 5160 mSDsluCounter, 991 mSDsCounter, 0 mSdLazyCounter, 2253 mSolverCounterSat, 250 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5160 SdHoareTripleChecker+Valid, 1034 SdHoareTripleChecker+Invalid, 2503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 250 IncrementalHoareTripleChecker+Valid, 2253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-10-16 14:43:52,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5160 Valid, 1034 Invalid, 2503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [250 Valid, 2253 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-10-16 14:43:52,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6691 states. [2022-10-16 14:43:52,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6691 to 3189. [2022-10-16 14:43:52,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3189 states, 3183 states have (on average 1.3009739239710965) internal successors, (4141), 3188 states have internal predecessors, (4141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:43:52,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3189 states to 3189 states and 4141 transitions. [2022-10-16 14:43:52,395 INFO L78 Accepts]: Start accepts. Automaton has 3189 states and 4141 transitions. Word has length 99 [2022-10-16 14:43:52,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:43:52,396 INFO L495 AbstractCegarLoop]: Abstraction has 3189 states and 4141 transitions. [2022-10-16 14:43:52,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 54 states have (on average 3.685185185185185) internal successors, (199), 55 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:43:52,396 INFO L276 IsEmpty]: Start isEmpty. Operand 3189 states and 4141 transitions. [2022-10-16 14:43:52,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-10-16 14:43:52,397 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:43:52,397 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:43:52,421 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Forceful destruction successful, exit code 0 [2022-10-16 14:43:52,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,48 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:43:52,604 INFO L420 AbstractCegarLoop]: === Iteration 64 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:43:52,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:43:52,605 INFO L85 PathProgramCache]: Analyzing trace with hash -728393440, now seen corresponding path program 1 times [2022-10-16 14:43:52,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:43:52,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746214125] [2022-10-16 14:43:52,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:43:52,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:43:52,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:43:53,012 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 5 proven. 61 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:43:53,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:43:53,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746214125] [2022-10-16 14:43:53,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746214125] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:43:53,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2048858518] [2022-10-16 14:43:53,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:43:53,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:43:53,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:43:53,015 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:43:53,016 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2022-10-16 14:43:53,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:43:53,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 20 conjunts are in the unsatisfiable core [2022-10-16 14:43:53,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:43:53,729 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 8 proven. 58 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:43:53,729 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:43:54,323 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 8 proven. 58 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:43:54,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2048858518] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:43:54,323 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:43:54,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 18] total 54 [2022-10-16 14:43:54,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128295619] [2022-10-16 14:43:54,324 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:43:54,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2022-10-16 14:43:54,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:43:54,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2022-10-16 14:43:54,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=406, Invalid=2564, Unknown=0, NotChecked=0, Total=2970 [2022-10-16 14:43:54,331 INFO L87 Difference]: Start difference. First operand 3189 states and 4141 transitions. Second operand has 55 states, 54 states have (on average 3.740740740740741) internal successors, (202), 55 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:44:01,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:44:01,013 INFO L93 Difference]: Finished difference Result 7048 states and 8660 transitions. [2022-10-16 14:44:01,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2022-10-16 14:44:01,014 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 54 states have (on average 3.740740740740741) internal successors, (202), 55 states have internal predecessors, (202), 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 100 [2022-10-16 14:44:01,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:44:01,021 INFO L225 Difference]: With dead ends: 7048 [2022-10-16 14:44:01,022 INFO L226 Difference]: Without dead ends: 7046 [2022-10-16 14:44:01,026 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 181 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11505 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=4701, Invalid=28605, Unknown=0, NotChecked=0, Total=33306 [2022-10-16 14:44:01,026 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 4003 mSDsluCounter, 955 mSDsCounter, 0 mSdLazyCounter, 2377 mSolverCounterSat, 324 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4003 SdHoareTripleChecker+Valid, 1001 SdHoareTripleChecker+Invalid, 2701 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 324 IncrementalHoareTripleChecker+Valid, 2377 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 14:44:01,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4003 Valid, 1001 Invalid, 2701 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [324 Valid, 2377 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 14:44:01,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7046 states. [2022-10-16 14:44:01,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7046 to 3390. [2022-10-16 14:44:01,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3390 states, 3384 states have (on average 1.3058510638297873) internal successors, (4419), 3389 states have internal predecessors, (4419), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:44:01,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3390 states to 3390 states and 4419 transitions. [2022-10-16 14:44:01,386 INFO L78 Accepts]: Start accepts. Automaton has 3390 states and 4419 transitions. Word has length 100 [2022-10-16 14:44:01,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:44:01,387 INFO L495 AbstractCegarLoop]: Abstraction has 3390 states and 4419 transitions. [2022-10-16 14:44:01,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 54 states have (on average 3.740740740740741) internal successors, (202), 55 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:44:01,387 INFO L276 IsEmpty]: Start isEmpty. Operand 3390 states and 4419 transitions. [2022-10-16 14:44:01,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-16 14:44:01,389 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:44:01,389 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:44:01,415 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Forceful destruction successful, exit code 0 [2022-10-16 14:44:01,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,49 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:44:01,590 INFO L420 AbstractCegarLoop]: === Iteration 65 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:44:01,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:44:01,591 INFO L85 PathProgramCache]: Analyzing trace with hash 1715971229, now seen corresponding path program 1 times [2022-10-16 14:44:01,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:44:01,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382870501] [2022-10-16 14:44:01,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:44:01,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:44:01,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:44:01,744 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:44:01,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:44:01,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382870501] [2022-10-16 14:44:01,745 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382870501] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:44:01,745 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1124754268] [2022-10-16 14:44:01,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:44:01,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:44:01,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:44:01,747 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:44:01,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2022-10-16 14:44:01,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:44:01,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-16 14:44:01,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:44:02,015 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:44:02,016 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:44:02,197 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:44:02,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1124754268] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:44:02,197 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:44:02,197 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 19 [2022-10-16 14:44:02,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016716826] [2022-10-16 14:44:02,198 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:44:02,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-10-16 14:44:02,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:44:02,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-10-16 14:44:02,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=314, Unknown=0, NotChecked=0, Total=380 [2022-10-16 14:44:02,199 INFO L87 Difference]: Start difference. First operand 3390 states and 4419 transitions. Second operand has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:44:03,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:44:03,792 INFO L93 Difference]: Finished difference Result 6233 states and 7865 transitions. [2022-10-16 14:44:03,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-10-16 14:44:03,792 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 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 102 [2022-10-16 14:44:03,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:44:03,798 INFO L225 Difference]: With dead ends: 6233 [2022-10-16 14:44:03,798 INFO L226 Difference]: Without dead ends: 6232 [2022-10-16 14:44:03,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1021 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=667, Invalid=2993, Unknown=0, NotChecked=0, Total=3660 [2022-10-16 14:44:03,800 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 1185 mSDsluCounter, 680 mSDsCounter, 0 mSdLazyCounter, 744 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1185 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 802 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 744 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 14:44:03,800 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1185 Valid, 723 Invalid, 802 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 744 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 14:44:03,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6232 states. [2022-10-16 14:44:04,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6232 to 3477. [2022-10-16 14:44:04,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3477 states, 3471 states have (on average 1.3091328147507924) internal successors, (4544), 3476 states have internal predecessors, (4544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:44:04,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3477 states to 3477 states and 4544 transitions. [2022-10-16 14:44:04,162 INFO L78 Accepts]: Start accepts. Automaton has 3477 states and 4544 transitions. Word has length 102 [2022-10-16 14:44:04,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:44:04,162 INFO L495 AbstractCegarLoop]: Abstraction has 3477 states and 4544 transitions. [2022-10-16 14:44:04,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 7.421052631578948) internal successors, (141), 20 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:44:04,163 INFO L276 IsEmpty]: Start isEmpty. Operand 3477 states and 4544 transitions. [2022-10-16 14:44:04,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-16 14:44:04,165 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:44:04,165 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 5, 5, 5, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:44:04,191 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Forceful destruction successful, exit code 0 [2022-10-16 14:44:04,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable64 [2022-10-16 14:44:04,375 INFO L420 AbstractCegarLoop]: === Iteration 66 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:44:04,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:44:04,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1798151158, now seen corresponding path program 1 times [2022-10-16 14:44:04,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:44:04,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777216233] [2022-10-16 14:44:04,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:44:04,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:44:04,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:44:04,764 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 5 proven. 61 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:44:04,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:44:04,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777216233] [2022-10-16 14:44:04,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777216233] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:44:04,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [531235290] [2022-10-16 14:44:04,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:44:04,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:44:04,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:44:04,766 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:44:04,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2022-10-16 14:44:04,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:44:04,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 20 conjunts are in the unsatisfiable core [2022-10-16 14:44:04,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:44:05,522 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 8 proven. 58 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:44:05,522 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:44:06,080 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 8 proven. 58 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:44:06,080 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [531235290] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:44:06,080 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:44:06,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 17] total 53 [2022-10-16 14:44:06,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493578196] [2022-10-16 14:44:06,081 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:44:06,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2022-10-16 14:44:06,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:44:06,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2022-10-16 14:44:06,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=410, Invalid=2452, Unknown=0, NotChecked=0, Total=2862 [2022-10-16 14:44:06,083 INFO L87 Difference]: Start difference. First operand 3477 states and 4544 transitions. Second operand has 54 states, 53 states have (on average 3.9245283018867925) internal successors, (208), 54 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:44:12,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:44:12,693 INFO L93 Difference]: Finished difference Result 6328 states and 7802 transitions. [2022-10-16 14:44:12,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2022-10-16 14:44:12,693 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 53 states have (on average 3.9245283018867925) internal successors, (208), 54 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 102 [2022-10-16 14:44:12,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:44:12,700 INFO L225 Difference]: With dead ends: 6328 [2022-10-16 14:44:12,700 INFO L226 Difference]: Without dead ends: 6326 [2022-10-16 14:44:12,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 175 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10801 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=4152, Invalid=27000, Unknown=0, NotChecked=0, Total=31152 [2022-10-16 14:44:12,703 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 3671 mSDsluCounter, 1195 mSDsCounter, 0 mSdLazyCounter, 3254 mSolverCounterSat, 257 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3671 SdHoareTripleChecker+Valid, 1250 SdHoareTripleChecker+Invalid, 3511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 257 IncrementalHoareTripleChecker+Valid, 3254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-10-16 14:44:12,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3671 Valid, 1250 Invalid, 3511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [257 Valid, 3254 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-10-16 14:44:12,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6326 states. [2022-10-16 14:44:13,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6326 to 3338. [2022-10-16 14:44:13,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3338 states, 3332 states have (on average 1.3109243697478992) internal successors, (4368), 3337 states have internal predecessors, (4368), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:44:13,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3338 states to 3338 states and 4368 transitions. [2022-10-16 14:44:13,030 INFO L78 Accepts]: Start accepts. Automaton has 3338 states and 4368 transitions. Word has length 102 [2022-10-16 14:44:13,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:44:13,030 INFO L495 AbstractCegarLoop]: Abstraction has 3338 states and 4368 transitions. [2022-10-16 14:44:13,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 53 states have (on average 3.9245283018867925) internal successors, (208), 54 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:44:13,030 INFO L276 IsEmpty]: Start isEmpty. Operand 3338 states and 4368 transitions. [2022-10-16 14:44:13,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-16 14:44:13,032 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:44:13,032 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:44:13,056 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Forceful destruction successful, exit code 0 [2022-10-16 14:44:13,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable65 [2022-10-16 14:44:13,233 INFO L420 AbstractCegarLoop]: === Iteration 67 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:44:13,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:44:13,234 INFO L85 PathProgramCache]: Analyzing trace with hash -91367958, now seen corresponding path program 1 times [2022-10-16 14:44:13,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:44:13,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107205568] [2022-10-16 14:44:13,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:44:13,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:44:13,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:44:13,418 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:44:13,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:44:13,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107205568] [2022-10-16 14:44:13,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107205568] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:44:13,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956866015] [2022-10-16 14:44:13,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:44:13,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:44:13,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:44:13,420 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:44:13,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2022-10-16 14:44:13,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:44:13,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-16 14:44:13,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:44:13,729 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:44:13,729 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:44:13,924 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:44:13,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1956866015] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:44:13,924 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:44:13,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2022-10-16 14:44:13,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227783307] [2022-10-16 14:44:13,925 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:44:13,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-10-16 14:44:13,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:44:13,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-10-16 14:44:13,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=456, Unknown=0, NotChecked=0, Total=552 [2022-10-16 14:44:13,926 INFO L87 Difference]: Start difference. First operand 3338 states and 4368 transitions. Second operand has 24 states, 23 states have (on average 6.391304347826087) internal successors, (147), 24 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:44:15,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:44:15,953 INFO L93 Difference]: Finished difference Result 7885 states and 9932 transitions. [2022-10-16 14:44:15,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-10-16 14:44:15,954 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 6.391304347826087) internal successors, (147), 24 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-10-16 14:44:15,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:44:15,961 INFO L225 Difference]: With dead ends: 7885 [2022-10-16 14:44:15,962 INFO L226 Difference]: Without dead ends: 7884 [2022-10-16 14:44:15,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1770 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1186, Invalid=4514, Unknown=0, NotChecked=0, Total=5700 [2022-10-16 14:44:15,964 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 1639 mSDsluCounter, 740 mSDsCounter, 0 mSdLazyCounter, 697 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1639 SdHoareTripleChecker+Valid, 787 SdHoareTripleChecker+Invalid, 781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 14:44:15,964 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1639 Valid, 787 Invalid, 781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 697 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 14:44:15,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7884 states. [2022-10-16 14:44:16,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7884 to 3573. [2022-10-16 14:44:16,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3573 states, 3567 states have (on average 1.3100644799551444) internal successors, (4673), 3572 states have internal predecessors, (4673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:44:16,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3573 states to 3573 states and 4673 transitions. [2022-10-16 14:44:16,335 INFO L78 Accepts]: Start accepts. Automaton has 3573 states and 4673 transitions. Word has length 105 [2022-10-16 14:44:16,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:44:16,335 INFO L495 AbstractCegarLoop]: Abstraction has 3573 states and 4673 transitions. [2022-10-16 14:44:16,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 6.391304347826087) internal successors, (147), 24 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:44:16,336 INFO L276 IsEmpty]: Start isEmpty. Operand 3573 states and 4673 transitions. [2022-10-16 14:44:16,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-16 14:44:16,337 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:44:16,338 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 6, 6, 6, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:44:16,362 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Ended with exit code 0 [2022-10-16 14:44:16,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2022-10-16 14:44:16,539 INFO L420 AbstractCegarLoop]: === Iteration 68 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:44:16,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:44:16,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1182016884, now seen corresponding path program 1 times [2022-10-16 14:44:16,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:44:16,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068243328] [2022-10-16 14:44:16,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:44:16,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:44:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:44:16,968 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 5 proven. 93 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:44:16,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:44:16,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068243328] [2022-10-16 14:44:16,968 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068243328] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:44:16,968 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1611614293] [2022-10-16 14:44:16,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:44:16,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:44:16,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:44:16,971 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:44:16,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2022-10-16 14:44:17,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:44:17,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 20 conjunts are in the unsatisfiable core [2022-10-16 14:44:17,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:44:17,714 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 8 proven. 90 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:44:17,714 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:44:18,333 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 8 proven. 90 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:44:18,334 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1611614293] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:44:18,334 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:44:18,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 18] total 54 [2022-10-16 14:44:18,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580503717] [2022-10-16 14:44:18,334 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:44:18,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2022-10-16 14:44:18,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:44:18,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2022-10-16 14:44:18,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=482, Invalid=2488, Unknown=0, NotChecked=0, Total=2970 [2022-10-16 14:44:18,337 INFO L87 Difference]: Start difference. First operand 3573 states and 4673 transitions. Second operand has 55 states, 54 states have (on average 4.12962962962963) internal successors, (223), 55 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:44:24,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:44:24,204 INFO L93 Difference]: Finished difference Result 6675 states and 8217 transitions. [2022-10-16 14:44:24,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2022-10-16 14:44:24,207 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 54 states have (on average 4.12962962962963) internal successors, (223), 55 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-10-16 14:44:24,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:44:24,215 INFO L225 Difference]: With dead ends: 6675 [2022-10-16 14:44:24,215 INFO L226 Difference]: Without dead ends: 6673 [2022-10-16 14:44:24,245 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8820 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=4188, Invalid=21894, Unknown=0, NotChecked=0, Total=26082 [2022-10-16 14:44:24,246 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 3967 mSDsluCounter, 1177 mSDsCounter, 0 mSdLazyCounter, 2621 mSolverCounterSat, 231 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3967 SdHoareTripleChecker+Valid, 1226 SdHoareTripleChecker+Invalid, 2852 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 231 IncrementalHoareTripleChecker+Valid, 2621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-10-16 14:44:24,246 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3967 Valid, 1226 Invalid, 2852 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [231 Valid, 2621 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-10-16 14:44:24,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6673 states. [2022-10-16 14:44:24,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6673 to 3562. [2022-10-16 14:44:24,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3562 states, 3556 states have (on average 1.3090551181102361) internal successors, (4655), 3561 states have internal predecessors, (4655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:44:24,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3562 states to 3562 states and 4655 transitions. [2022-10-16 14:44:24,540 INFO L78 Accepts]: Start accepts. Automaton has 3562 states and 4655 transitions. Word has length 107 [2022-10-16 14:44:24,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:44:24,541 INFO L495 AbstractCegarLoop]: Abstraction has 3562 states and 4655 transitions. [2022-10-16 14:44:24,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 54 states have (on average 4.12962962962963) internal successors, (223), 55 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:44:24,541 INFO L276 IsEmpty]: Start isEmpty. Operand 3562 states and 4655 transitions. [2022-10-16 14:44:24,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 14:44:24,543 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:44:24,543 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 6, 6, 6, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:44:24,566 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Ended with exit code 0 [2022-10-16 14:44:24,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 53 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable67 [2022-10-16 14:44:24,744 INFO L420 AbstractCegarLoop]: === Iteration 69 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:44:24,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:44:24,744 INFO L85 PathProgramCache]: Analyzing trace with hash 780265264, now seen corresponding path program 1 times [2022-10-16 14:44:24,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:44:24,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632061505] [2022-10-16 14:44:24,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:44:24,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:44:24,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:44:25,195 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 5 proven. 93 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:44:25,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:44:25,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632061505] [2022-10-16 14:44:25,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632061505] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:44:25,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027723272] [2022-10-16 14:44:25,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:44:25,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:44:25,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:44:25,200 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:44:25,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2022-10-16 14:44:25,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:44:25,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 22 conjunts are in the unsatisfiable core [2022-10-16 14:44:25,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:44:26,031 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 8 proven. 90 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:44:26,031 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:44:26,720 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 8 proven. 90 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:44:26,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027723272] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:44:26,720 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:44:26,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 20] total 60 [2022-10-16 14:44:26,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630339863] [2022-10-16 14:44:26,721 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:44:26,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2022-10-16 14:44:26,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:44:26,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2022-10-16 14:44:26,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=516, Invalid=3144, Unknown=0, NotChecked=0, Total=3660 [2022-10-16 14:44:26,723 INFO L87 Difference]: Start difference. First operand 3562 states and 4655 transitions. Second operand has 61 states, 60 states have (on average 3.816666666666667) internal successors, (229), 61 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:44:33,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:44:33,627 INFO L93 Difference]: Finished difference Result 6866 states and 8446 transitions. [2022-10-16 14:44:33,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2022-10-16 14:44:33,627 INFO L78 Accepts]: Start accepts. Automaton has has 61 states, 60 states have (on average 3.816666666666667) internal successors, (229), 61 states have internal predecessors, (229), 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 109 [2022-10-16 14:44:33,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:44:33,633 INFO L225 Difference]: With dead ends: 6866 [2022-10-16 14:44:33,633 INFO L226 Difference]: Without dead ends: 6864 [2022-10-16 14:44:33,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 364 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 186 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11835 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=5200, Invalid=29956, Unknown=0, NotChecked=0, Total=35156 [2022-10-16 14:44:33,636 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 3922 mSDsluCounter, 1129 mSDsCounter, 0 mSdLazyCounter, 2825 mSolverCounterSat, 307 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3922 SdHoareTripleChecker+Valid, 1174 SdHoareTripleChecker+Invalid, 3132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 307 IncrementalHoareTripleChecker+Valid, 2825 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-10-16 14:44:33,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3922 Valid, 1174 Invalid, 3132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [307 Valid, 2825 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-10-16 14:44:33,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6864 states. [2022-10-16 14:44:33,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6864 to 3473. [2022-10-16 14:44:33,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3473 states, 3467 states have (on average 1.3071820017306028) internal successors, (4532), 3472 states have internal predecessors, (4532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:44:33,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3473 states to 3473 states and 4532 transitions. [2022-10-16 14:44:33,968 INFO L78 Accepts]: Start accepts. Automaton has 3473 states and 4532 transitions. Word has length 109 [2022-10-16 14:44:33,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:44:33,969 INFO L495 AbstractCegarLoop]: Abstraction has 3473 states and 4532 transitions. [2022-10-16 14:44:33,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 60 states have (on average 3.816666666666667) internal successors, (229), 61 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:44:33,969 INFO L276 IsEmpty]: Start isEmpty. Operand 3473 states and 4532 transitions. [2022-10-16 14:44:33,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 14:44:33,971 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:44:33,971 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:44:33,997 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Forceful destruction successful, exit code 0 [2022-10-16 14:44:34,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable68 [2022-10-16 14:44:34,183 INFO L420 AbstractCegarLoop]: === Iteration 70 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:44:34,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:44:34,184 INFO L85 PathProgramCache]: Analyzing trace with hash 704034952, now seen corresponding path program 1 times [2022-10-16 14:44:34,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:44:34,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505076512] [2022-10-16 14:44:34,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:44:34,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:44:34,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:44:34,646 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:44:34,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:44:34,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505076512] [2022-10-16 14:44:34,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505076512] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:44:34,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1549295195] [2022-10-16 14:44:34,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:44:34,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:44:34,647 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:44:34,648 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:44:34,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2022-10-16 14:44:34,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:44:34,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 24 conjunts are in the unsatisfiable core [2022-10-16 14:44:34,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:44:35,519 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 3 proven. 129 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:44:35,519 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:44:36,289 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 3 proven. 129 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:44:36,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1549295195] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:44:36,290 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:44:36,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 21] total 65 [2022-10-16 14:44:36,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067695129] [2022-10-16 14:44:36,291 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:44:36,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2022-10-16 14:44:36,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:44:36,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2022-10-16 14:44:36,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=654, Invalid=3636, Unknown=0, NotChecked=0, Total=4290 [2022-10-16 14:44:36,293 INFO L87 Difference]: Start difference. First operand 3473 states and 4532 transitions. Second operand has 66 states, 65 states have (on average 3.523076923076923) internal successors, (229), 66 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:44:45,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:44:45,817 INFO L93 Difference]: Finished difference Result 7710 states and 9440 transitions. [2022-10-16 14:44:45,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2022-10-16 14:44:45,818 INFO L78 Accepts]: Start accepts. Automaton has has 66 states, 65 states have (on average 3.523076923076923) internal successors, (229), 66 states have internal predecessors, (229), 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 109 [2022-10-16 14:44:45,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:44:45,825 INFO L225 Difference]: With dead ends: 7710 [2022-10-16 14:44:45,825 INFO L226 Difference]: Without dead ends: 7708 [2022-10-16 14:44:45,829 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 412 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 237 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20157 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=6873, Invalid=50009, Unknown=0, NotChecked=0, Total=56882 [2022-10-16 14:44:45,830 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 5861 mSDsluCounter, 1257 mSDsCounter, 0 mSdLazyCounter, 3464 mSolverCounterSat, 378 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5861 SdHoareTripleChecker+Valid, 1308 SdHoareTripleChecker+Invalid, 3842 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 378 IncrementalHoareTripleChecker+Valid, 3464 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-10-16 14:44:45,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5861 Valid, 1308 Invalid, 3842 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [378 Valid, 3464 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-10-16 14:44:45,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7708 states. [2022-10-16 14:44:46,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7708 to 3676. [2022-10-16 14:44:46,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3676 states, 3670 states have (on average 1.312534059945504) internal successors, (4817), 3675 states have internal predecessors, (4817), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:44:46,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3676 states and 4817 transitions. [2022-10-16 14:44:46,216 INFO L78 Accepts]: Start accepts. Automaton has 3676 states and 4817 transitions. Word has length 109 [2022-10-16 14:44:46,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:44:46,216 INFO L495 AbstractCegarLoop]: Abstraction has 3676 states and 4817 transitions. [2022-10-16 14:44:46,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 65 states have (on average 3.523076923076923) internal successors, (229), 66 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:44:46,216 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 4817 transitions. [2022-10-16 14:44:46,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-10-16 14:44:46,218 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:44:46,218 INFO L195 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1] [2022-10-16 14:44:46,241 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Ended with exit code 0 [2022-10-16 14:44:46,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 55 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2022-10-16 14:44:46,419 INFO L420 AbstractCegarLoop]: === Iteration 71 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:44:46,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:44:46,420 INFO L85 PathProgramCache]: Analyzing trace with hash -1269317205, now seen corresponding path program 5 times [2022-10-16 14:44:46,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:44:46,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802263831] [2022-10-16 14:44:46,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:44:46,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:44:46,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:44:46,816 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:44:46,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:44:46,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802263831] [2022-10-16 14:44:46,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802263831] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:44:46,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1677936068] [2022-10-16 14:44:46,817 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-10-16 14:44:46,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:44:46,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:44:46,818 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:44:46,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Waiting until timeout for monitored process [2022-10-16 14:44:47,013 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2022-10-16 14:44:47,014 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:44:47,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-16 14:44:47,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:44:47,099 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:44:47,100 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:44:47,626 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 0 proven. 335 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:44:47,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1677936068] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:44:47,627 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:44:47,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 45 [2022-10-16 14:44:47,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100917961] [2022-10-16 14:44:47,627 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:44:47,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2022-10-16 14:44:47,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:44:47,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2022-10-16 14:44:47,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=551, Invalid=1519, Unknown=0, NotChecked=0, Total=2070 [2022-10-16 14:44:47,628 INFO L87 Difference]: Start difference. First operand 3676 states and 4817 transitions. Second operand has 46 states, 45 states have (on average 3.4444444444444446) internal successors, (155), 46 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:44:49,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:44:49,208 INFO L93 Difference]: Finished difference Result 9416 states and 12511 transitions. [2022-10-16 14:44:49,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-10-16 14:44:49,209 INFO L78 Accepts]: Start accepts. Automaton has has 46 states, 45 states have (on average 3.4444444444444446) internal successors, (155), 46 states have internal predecessors, (155), 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 109 [2022-10-16 14:44:49,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:44:49,217 INFO L225 Difference]: With dead ends: 9416 [2022-10-16 14:44:49,218 INFO L226 Difference]: Without dead ends: 9414 [2022-10-16 14:44:49,220 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 261 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 862 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1332, Invalid=3224, Unknown=0, NotChecked=0, Total=4556 [2022-10-16 14:44:49,220 INFO L413 NwaCegarLoop]: 75 mSDtfsCounter, 3166 mSDsluCounter, 1453 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3166 SdHoareTripleChecker+Valid, 1528 SdHoareTripleChecker+Invalid, 274 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:44:49,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3166 Valid, 1528 Invalid, 274 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 14:44:49,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9414 states. [2022-10-16 14:44:50,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9414 to 9329. [2022-10-16 14:44:50,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9329 states, 9323 states have (on average 1.3268261289284564) internal successors, (12370), 9328 states have internal predecessors, (12370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:44:50,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9329 states to 9329 states and 12370 transitions. [2022-10-16 14:44:50,170 INFO L78 Accepts]: Start accepts. Automaton has 9329 states and 12370 transitions. Word has length 109 [2022-10-16 14:44:50,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:44:50,170 INFO L495 AbstractCegarLoop]: Abstraction has 9329 states and 12370 transitions. [2022-10-16 14:44:50,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 45 states have (on average 3.4444444444444446) internal successors, (155), 46 states have internal predecessors, (155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:44:50,170 INFO L276 IsEmpty]: Start isEmpty. Operand 9329 states and 12370 transitions. [2022-10-16 14:44:50,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-16 14:44:50,172 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:44:50,172 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:44:50,196 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Ended with exit code 0 [2022-10-16 14:44:50,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,56 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:44:50,373 INFO L420 AbstractCegarLoop]: === Iteration 72 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:44:50,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:44:50,374 INFO L85 PathProgramCache]: Analyzing trace with hash 231751741, now seen corresponding path program 2 times [2022-10-16 14:44:50,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:44:50,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60595386] [2022-10-16 14:44:50,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:44:50,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:44:50,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:44:50,579 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:44:50,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:44:50,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60595386] [2022-10-16 14:44:50,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60595386] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:44:50,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2043340755] [2022-10-16 14:44:50,580 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:44:50,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:44:50,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:44:50,583 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:44:50,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Waiting until timeout for monitored process [2022-10-16 14:44:50,771 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 14:44:50,771 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:44:50,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-16 14:44:50,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:44:50,868 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:44:50,868 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:44:51,129 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 53 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:44:51,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2043340755] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:44:51,130 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:44:51,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 27 [2022-10-16 14:44:51,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513452380] [2022-10-16 14:44:51,130 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:44:51,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-10-16 14:44:51,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:44:51,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-10-16 14:44:51,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=638, Unknown=0, NotChecked=0, Total=756 [2022-10-16 14:44:51,132 INFO L87 Difference]: Start difference. First operand 9329 states and 12370 transitions. Second operand has 28 states, 27 states have (on average 5.962962962962963) internal successors, (161), 28 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:44:55,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:44:55,529 INFO L93 Difference]: Finished difference Result 21817 states and 27406 transitions. [2022-10-16 14:44:55,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2022-10-16 14:44:55,532 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 5.962962962962963) internal successors, (161), 28 states have internal predecessors, (161), 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 112 [2022-10-16 14:44:55,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:44:55,558 INFO L225 Difference]: With dead ends: 21817 [2022-10-16 14:44:55,558 INFO L226 Difference]: Without dead ends: 21816 [2022-10-16 14:44:55,563 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3964 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1997, Invalid=9775, Unknown=0, NotChecked=0, Total=11772 [2022-10-16 14:44:55,563 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 3139 mSDsluCounter, 814 mSDsCounter, 0 mSdLazyCounter, 888 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3139 SdHoareTripleChecker+Valid, 860 SdHoareTripleChecker+Invalid, 1018 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 888 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 14:44:55,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3139 Valid, 860 Invalid, 1018 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 888 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 14:44:55,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21816 states. [2022-10-16 14:44:56,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21816 to 9329. [2022-10-16 14:44:56,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9329 states, 9323 states have (on average 1.3276842218170117) internal successors, (12378), 9328 states have internal predecessors, (12378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:44:56,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9329 states to 9329 states and 12378 transitions. [2022-10-16 14:44:56,638 INFO L78 Accepts]: Start accepts. Automaton has 9329 states and 12378 transitions. Word has length 112 [2022-10-16 14:44:56,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:44:56,638 INFO L495 AbstractCegarLoop]: Abstraction has 9329 states and 12378 transitions. [2022-10-16 14:44:56,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 5.962962962962963) internal successors, (161), 28 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:44:56,639 INFO L276 IsEmpty]: Start isEmpty. Operand 9329 states and 12378 transitions. [2022-10-16 14:44:56,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-16 14:44:56,641 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:44:56,641 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:44:56,664 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Forceful destruction successful, exit code 0 [2022-10-16 14:44:56,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,57 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:44:56,842 INFO L420 AbstractCegarLoop]: === Iteration 73 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:44:56,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:44:56,843 INFO L85 PathProgramCache]: Analyzing trace with hash 880604974, now seen corresponding path program 1 times [2022-10-16 14:44:56,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:44:56,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181062276] [2022-10-16 14:44:56,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:44:56,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:44:56,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:44:56,996 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2022-10-16 14:44:56,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:44:56,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181062276] [2022-10-16 14:44:56,997 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181062276] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:44:56,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438989726] [2022-10-16 14:44:56,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:44:56,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:44:56,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:44:56,999 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:44:57,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Waiting until timeout for monitored process [2022-10-16 14:44:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:44:57,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-16 14:44:57,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:44:57,280 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2022-10-16 14:44:57,280 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:44:57,397 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2022-10-16 14:44:57,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [438989726] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:44:57,397 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:44:57,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 11 [2022-10-16 14:44:57,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422775815] [2022-10-16 14:44:57,398 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:44:57,398 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-10-16 14:44:57,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:44:57,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-10-16 14:44:57,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-10-16 14:44:57,399 INFO L87 Difference]: Start difference. First operand 9329 states and 12378 transitions. Second operand has 11 states, 11 states have (on average 7.636363636363637) internal successors, (84), 11 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) [2022-10-16 14:44:58,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:44:58,932 INFO L93 Difference]: Finished difference Result 19620 states and 25895 transitions. [2022-10-16 14:44:58,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 14:44:58,933 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.636363636363637) internal successors, (84), 11 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 113 [2022-10-16 14:44:58,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:44:58,945 INFO L225 Difference]: With dead ends: 19620 [2022-10-16 14:44:58,946 INFO L226 Difference]: Without dead ends: 13990 [2022-10-16 14:44:58,950 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 218 SyntacticMatches, 8 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2022-10-16 14:44:58,950 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 380 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 380 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:44:58,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [380 Valid, 405 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:44:58,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13990 states. [2022-10-16 14:44:59,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13990 to 9359. [2022-10-16 14:44:59,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9359 states, 9353 states have (on average 1.312413129477173) internal successors, (12275), 9358 states have internal predecessors, (12275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:44:59,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9359 states to 9359 states and 12275 transitions. [2022-10-16 14:44:59,970 INFO L78 Accepts]: Start accepts. Automaton has 9359 states and 12275 transitions. Word has length 113 [2022-10-16 14:44:59,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:44:59,970 INFO L495 AbstractCegarLoop]: Abstraction has 9359 states and 12275 transitions. [2022-10-16 14:44:59,971 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.636363636363637) internal successors, (84), 11 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) [2022-10-16 14:44:59,971 INFO L276 IsEmpty]: Start isEmpty. Operand 9359 states and 12275 transitions. [2022-10-16 14:44:59,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-16 14:44:59,972 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:44:59,973 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:44:59,998 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Forceful destruction successful, exit code 0 [2022-10-16 14:45:00,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,58 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:45:00,174 INFO L420 AbstractCegarLoop]: === Iteration 74 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:45:00,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:45:00,174 INFO L85 PathProgramCache]: Analyzing trace with hash -1691605943, now seen corresponding path program 1 times [2022-10-16 14:45:00,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:45:00,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771336899] [2022-10-16 14:45:00,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:45:00,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:45:00,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:45:00,269 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2022-10-16 14:45:00,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:45:00,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771336899] [2022-10-16 14:45:00,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771336899] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:45:00,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:45:00,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 14:45:00,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649374815] [2022-10-16 14:45:00,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:45:00,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 14:45:00,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:45:00,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 14:45:00,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-10-16 14:45:00,271 INFO L87 Difference]: Start difference. First operand 9359 states and 12275 transitions. Second operand has 7 states, 6 states have (on average 14.0) internal successors, (84), 7 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) [2022-10-16 14:45:02,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:45:02,051 INFO L93 Difference]: Finished difference Result 17449 states and 22578 transitions. [2022-10-16 14:45:02,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 14:45:02,052 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 14.0) internal successors, (84), 7 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 115 [2022-10-16 14:45:02,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:45:02,063 INFO L225 Difference]: With dead ends: 17449 [2022-10-16 14:45:02,063 INFO L226 Difference]: Without dead ends: 11787 [2022-10-16 14:45:02,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-10-16 14:45:02,069 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 136 mSDsluCounter, 337 mSDsCounter, 0 mSdLazyCounter, 452 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 452 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 14:45:02,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 457 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 452 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 14:45:02,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11787 states. [2022-10-16 14:45:03,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11787 to 9787. [2022-10-16 14:45:03,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9787 states, 9781 states have (on average 1.3149984664144772) internal successors, (12862), 9786 states have internal predecessors, (12862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:45:03,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9787 states to 9787 states and 12862 transitions. [2022-10-16 14:45:03,165 INFO L78 Accepts]: Start accepts. Automaton has 9787 states and 12862 transitions. Word has length 115 [2022-10-16 14:45:03,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:45:03,166 INFO L495 AbstractCegarLoop]: Abstraction has 9787 states and 12862 transitions. [2022-10-16 14:45:03,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 14.0) internal successors, (84), 7 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) [2022-10-16 14:45:03,166 INFO L276 IsEmpty]: Start isEmpty. Operand 9787 states and 12862 transitions. [2022-10-16 14:45:03,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-16 14:45:03,168 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:45:03,168 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 6, 6, 6, 5, 5, 5, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:45:03,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2022-10-16 14:45:03,168 INFO L420 AbstractCegarLoop]: === Iteration 75 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:45:03,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:45:03,169 INFO L85 PathProgramCache]: Analyzing trace with hash -49784937, now seen corresponding path program 1 times [2022-10-16 14:45:03,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:45:03,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032143572] [2022-10-16 14:45:03,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:45:03,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:45:03,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:45:03,284 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2022-10-16 14:45:03,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:45:03,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032143572] [2022-10-16 14:45:03,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032143572] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 14:45:03,285 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 14:45:03,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 14:45:03,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811505310] [2022-10-16 14:45:03,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 14:45:03,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 14:45:03,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:45:03,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 14:45:03,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:45:03,287 INFO L87 Difference]: Start difference. First operand 9787 states and 12862 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:45:04,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 14:45:04,549 INFO L93 Difference]: Finished difference Result 16860 states and 21942 transitions. [2022-10-16 14:45:04,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 14:45:04,549 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 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 118 [2022-10-16 14:45:04,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 14:45:04,560 INFO L225 Difference]: With dead ends: 16860 [2022-10-16 14:45:04,560 INFO L226 Difference]: Without dead ends: 10713 [2022-10-16 14:45:04,567 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 14:45:04,567 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 71 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 14:45:04,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 120 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 14:45:04,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10713 states. [2022-10-16 14:45:05,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10713 to 10023. [2022-10-16 14:45:05,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10023 states, 10017 states have (on average 1.313267445342917) internal successors, (13155), 10022 states have internal predecessors, (13155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:45:05,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10023 states to 10023 states and 13155 transitions. [2022-10-16 14:45:05,706 INFO L78 Accepts]: Start accepts. Automaton has 10023 states and 13155 transitions. Word has length 118 [2022-10-16 14:45:05,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 14:45:05,706 INFO L495 AbstractCegarLoop]: Abstraction has 10023 states and 13155 transitions. [2022-10-16 14:45:05,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 14:45:05,707 INFO L276 IsEmpty]: Start isEmpty. Operand 10023 states and 13155 transitions. [2022-10-16 14:45:05,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-10-16 14:45:05,709 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 14:45:05,709 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 14:45:05,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2022-10-16 14:45:05,709 INFO L420 AbstractCegarLoop]: === Iteration 76 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 29 more)] === [2022-10-16 14:45:05,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 14:45:05,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1958772804, now seen corresponding path program 2 times [2022-10-16 14:45:05,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 14:45:05,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580702286] [2022-10-16 14:45:05,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 14:45:05,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 14:45:05,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 14:45:06,305 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 178 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:45:06,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 14:45:06,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580702286] [2022-10-16 14:45:06,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580702286] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 14:45:06,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [906605417] [2022-10-16 14:45:06,306 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 14:45:06,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 14:45:06,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 14:45:06,307 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 14:45:06,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Waiting until timeout for monitored process [2022-10-16 14:45:06,500 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 14:45:06,501 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 14:45:06,502 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 26 conjunts are in the unsatisfiable core [2022-10-16 14:45:06,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 14:45:07,333 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 3 proven. 175 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:45:07,333 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 14:45:08,228 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 3 proven. 175 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2022-10-16 14:45:08,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [906605417] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 14:45:08,229 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 14:45:08,229 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 23] total 71 [2022-10-16 14:45:08,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579166663] [2022-10-16 14:45:08,229 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 14:45:08,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2022-10-16 14:45:08,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 14:45:08,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2022-10-16 14:45:08,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=800, Invalid=4312, Unknown=0, NotChecked=0, Total=5112 [2022-10-16 14:45:08,231 INFO L87 Difference]: Start difference. First operand 10023 states and 13155 transitions. Second operand has 72 states, 71 states have (on average 3.6056338028169015) internal successors, (256), 72 states have internal predecessors, (256), 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)