/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:10:34,780 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:10:34,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:10:34,843 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 16:10:34,844 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 16:10:34,849 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 16:10:34,854 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 16:10:34,862 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 16:10:34,865 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 16:10:34,874 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 16:10:34,875 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 16:10:34,878 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2022-10-16 16:10:34,938 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:10:34,939 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:10:34,940 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:10:34,941 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 16:10:34,996 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:10:34,997 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:10:34,997 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:10:34,998 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:10:34,999 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:10:34,999 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:10:35,002 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:10:35,003 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:10:35,003 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:10:35,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:10:35,005 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:10:35,005 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:10:35,005 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:10:35,005 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:10:35,006 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:10:35,006 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:10:35,006 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:10:35,006 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:10:35,006 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:10:35,006 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:10:35,007 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:10:35,007 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:10:35,007 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:10:35,007 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:10:35,008 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:10:35,008 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:10:35,008 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:10:35,008 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:10:35,008 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:10:35,009 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:10:35,009 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:10:35,009 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:10:35,009 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:10:35,010 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:10:35,427 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:10:35,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:10:35,460 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:10:35,461 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:10:35,462 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:10:35,464 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-16 16:10:35,548 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e710e8493/65e6cb9082194f469b54cf0bc105ecb5/FLAG4265e724d [2022-10-16 16:10:36,694 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:10:36,695 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-16 16:10:36,746 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e710e8493/65e6cb9082194f469b54cf0bc105ecb5/FLAG4265e724d [2022-10-16 16:10:37,040 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e710e8493/65e6cb9082194f469b54cf0bc105ecb5 [2022-10-16 16:10:37,044 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:10:37,056 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:10:37,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:10:37,058 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:10:37,062 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:10:37,063 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:10:37" (1/1) ... [2022-10-16 16:10:37,065 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67f60c8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:10:37, skipping insertion in model container [2022-10-16 16:10:37,065 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:10:37" (1/1) ... [2022-10-16 16:10:37,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:10:37,452 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:10:38,093 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[19354,19367] [2022-10-16 16:10:39,695 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:10:39,741 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:10:39,841 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded-reduced/pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c[19354,19367] [2022-10-16 16:10:40,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:10:40,986 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:10:40,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:10:40 WrapperNode [2022-10-16 16:10:40,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:10:40,990 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:10:40,990 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:10:40,990 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:10:40,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:10:40" (1/1) ... [2022-10-16 16:10:41,111 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:10:40" (1/1) ... [2022-10-16 16:10:41,564 INFO L138 Inliner]: procedures = 25, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22199 [2022-10-16 16:10:41,565 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:10:41,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:10:41,566 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:10:41,566 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:10:41,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:10:40" (1/1) ... [2022-10-16 16:10:41,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:10:40" (1/1) ... [2022-10-16 16:10:41,753 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:10:40" (1/1) ... [2022-10-16 16:10:41,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:10:40" (1/1) ... [2022-10-16 16:10:42,004 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:10:40" (1/1) ... [2022-10-16 16:10:42,059 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:10:40" (1/1) ... [2022-10-16 16:10:42,115 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:10:40" (1/1) ... [2022-10-16 16:10:42,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:10:40" (1/1) ... [2022-10-16 16:10:42,227 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:10:42,228 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:10:42,229 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:10:42,229 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:10:42,230 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:10:40" (1/1) ... [2022-10-16 16:10:42,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:10:42,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:10:42,269 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 16:10:42,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 16:10:42,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:10:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:10:42,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:10:42,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:10:42,965 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:10:42,968 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:10:55,544 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:10:55,618 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:10:55,619 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-16 16:10:55,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:10:55 BoogieIcfgContainer [2022-10-16 16:10:55,632 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:10:55,635 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:10:55,636 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:10:55,639 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:10:55,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:10:37" (1/3) ... [2022-10-16 16:10:55,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3616ac7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:10:55, skipping insertion in model container [2022-10-16 16:10:55,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:10:40" (2/3) ... [2022-10-16 16:10:55,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3616ac7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:10:55, skipping insertion in model container [2022-10-16 16:10:55,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:10:55" (3/3) ... [2022-10-16 16:10:55,643 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.5.1.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2022-10-16 16:10:55,665 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:10:55,667 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3612 error locations. [2022-10-16 16:10:55,892 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:10:55,902 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;@19a1395a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:10:55,903 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3612 error locations. [2022-10-16 16:10:55,935 INFO L276 IsEmpty]: Start isEmpty. Operand has 10089 states, 6476 states have (on average 1.9598517603458925) internal successors, (12692), 10088 states have internal predecessors, (12692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:55,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 16:10:55,943 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:10:55,943 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 16:10:55,944 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3609 more)] === [2022-10-16 16:10:55,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:10:55,951 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-16 16:10:55,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:10:55,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209076437] [2022-10-16 16:10:55,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:10:55,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:10:56,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:10:56,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:10:56,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:10:56,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209076437] [2022-10-16 16:10:56,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209076437] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:10:56,485 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:10:56,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 16:10:56,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118569602] [2022-10-16 16:10:56,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:10:56,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 16:10:56,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:10:56,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 16:10:56,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:10:56,573 INFO L87 Difference]: Start difference. First operand has 10089 states, 6476 states have (on average 1.9598517603458925) internal successors, (12692), 10088 states have internal predecessors, (12692), 0 states have call successors, (0), 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 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:56,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:10:56,825 INFO L93 Difference]: Finished difference Result 10092 states and 12694 transitions. [2022-10-16 16:10:56,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 16:10:56,829 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 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 4 [2022-10-16 16:10:56,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:10:56,898 INFO L225 Difference]: With dead ends: 10092 [2022-10-16 16:10:56,898 INFO L226 Difference]: Without dead ends: 10074 [2022-10-16 16:10:56,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 16:10:56,914 INFO L413 NwaCegarLoop]: 12679 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12679 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:10:56,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12679 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:10:56,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10074 states. [2022-10-16 16:10:57,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10074 to 10074. [2022-10-16 16:10:57,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10074 states, 6474 states have (on average 1.67516218721038) internal successors, (10845), 10073 states have internal predecessors, (10845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:57,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10074 states to 10074 states and 10845 transitions. [2022-10-16 16:10:57,465 INFO L78 Accepts]: Start accepts. Automaton has 10074 states and 10845 transitions. Word has length 4 [2022-10-16 16:10:57,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:10:57,465 INFO L495 AbstractCegarLoop]: Abstraction has 10074 states and 10845 transitions. [2022-10-16 16:10:57,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:10:57,466 INFO L276 IsEmpty]: Start isEmpty. Operand 10074 states and 10845 transitions. [2022-10-16 16:10:57,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-16 16:10:57,473 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:10:57,473 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:10:57,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:10:57,474 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1924ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3609 more)] === [2022-10-16 16:10:57,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:10:57,475 INFO L85 PathProgramCache]: Analyzing trace with hash -489982834, now seen corresponding path program 1 times [2022-10-16 16:10:57,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:10:57,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981622344] [2022-10-16 16:10:57,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:10:57,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:10:57,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:10:58,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:10:58,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:10:58,141 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981622344] [2022-10-16 16:10:58,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981622344] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:10:58,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:10:58,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:10:58,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486589804] [2022-10-16 16:10:58,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:10:58,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:10:58,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:10:58,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:10:58,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:10:58,148 INFO L87 Difference]: Start difference. First operand 10074 states and 10845 transitions. Second operand has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:06,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:11:06,122 INFO L93 Difference]: Finished difference Result 10336 states and 11227 transitions. [2022-10-16 16:11:06,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:11:06,123 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 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 59 [2022-10-16 16:11:06,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:11:06,171 INFO L225 Difference]: With dead ends: 10336 [2022-10-16 16:11:06,172 INFO L226 Difference]: Without dead ends: 9895 [2022-10-16 16:11:06,187 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 16:11:06,189 INFO L413 NwaCegarLoop]: 3313 mSDtfsCounter, 20253 mSDsluCounter, 744 mSDsCounter, 0 mSdLazyCounter, 7471 mSolverCounterSat, 455 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20253 SdHoareTripleChecker+Valid, 4057 SdHoareTripleChecker+Invalid, 7926 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 455 IncrementalHoareTripleChecker+Valid, 7471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2022-10-16 16:11:06,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20253 Valid, 4057 Invalid, 7926 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [455 Valid, 7471 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2022-10-16 16:11:06,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9895 states. [2022-10-16 16:11:06,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9895 to 9751. [2022-10-16 16:11:06,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9751 states, 6590 states have (on average 1.6077389984825494) internal successors, (10595), 9750 states have internal predecessors, (10595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:06,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9751 states to 9751 states and 10595 transitions. [2022-10-16 16:11:06,448 INFO L78 Accepts]: Start accepts. Automaton has 9751 states and 10595 transitions. Word has length 59 [2022-10-16 16:11:06,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:11:06,451 INFO L495 AbstractCegarLoop]: Abstraction has 9751 states and 10595 transitions. [2022-10-16 16:11:06,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:06,452 INFO L276 IsEmpty]: Start isEmpty. Operand 9751 states and 10595 transitions. [2022-10-16 16:11:06,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 16:11:06,462 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:11:06,462 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:11:06,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:11:06,463 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1925ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3609 more)] === [2022-10-16 16:11:06,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:11:06,465 INFO L85 PathProgramCache]: Analyzing trace with hash 1990412845, now seen corresponding path program 1 times [2022-10-16 16:11:06,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:11:06,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77219501] [2022-10-16 16:11:06,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:11:06,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:11:06,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:11:06,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:11:06,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:11:06,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77219501] [2022-10-16 16:11:06,770 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77219501] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:11:06,771 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:11:06,771 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:11:06,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752351016] [2022-10-16 16:11:06,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:11:06,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:11:06,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:11:06,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:11:06,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:11:06,773 INFO L87 Difference]: Start difference. First operand 9751 states and 10595 transitions. Second operand has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:14,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:11:14,016 INFO L93 Difference]: Finished difference Result 9881 states and 10786 transitions. [2022-10-16 16:11:14,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:11:14,017 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 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 60 [2022-10-16 16:11:14,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:11:14,086 INFO L225 Difference]: With dead ends: 9881 [2022-10-16 16:11:14,087 INFO L226 Difference]: Without dead ends: 9435 [2022-10-16 16:11:14,092 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 16:11:14,093 INFO L413 NwaCegarLoop]: 3193 mSDtfsCounter, 19871 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 6872 mSolverCounterSat, 460 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19871 SdHoareTripleChecker+Valid, 3459 SdHoareTripleChecker+Invalid, 7332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 460 IncrementalHoareTripleChecker+Valid, 6872 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:11:14,094 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19871 Valid, 3459 Invalid, 7332 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [460 Valid, 6872 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2022-10-16 16:11:14,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9435 states. [2022-10-16 16:11:14,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9435 to 9423. [2022-10-16 16:11:14,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9423 states, 6706 states have (on average 1.5416045332538026) internal successors, (10338), 9422 states have internal predecessors, (10338), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:14,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9423 states to 9423 states and 10338 transitions. [2022-10-16 16:11:14,345 INFO L78 Accepts]: Start accepts. Automaton has 9423 states and 10338 transitions. Word has length 60 [2022-10-16 16:11:14,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:11:14,346 INFO L495 AbstractCegarLoop]: Abstraction has 9423 states and 10338 transitions. [2022-10-16 16:11:14,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.0) internal successors, (60), 4 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:14,346 INFO L276 IsEmpty]: Start isEmpty. Operand 9423 states and 10338 transitions. [2022-10-16 16:11:14,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-16 16:11:14,350 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:11:14,350 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:11:14,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:11:14,350 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1926ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3609 more)] === [2022-10-16 16:11:14,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:11:14,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1573267568, now seen corresponding path program 1 times [2022-10-16 16:11:14,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:11:14,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310796707] [2022-10-16 16:11:14,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:11:14,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:11:14,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:11:14,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:11:14,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:11:14,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310796707] [2022-10-16 16:11:14,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310796707] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:11:14,655 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:11:14,655 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:11:14,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566521773] [2022-10-16 16:11:14,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:11:14,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:11:14,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:11:14,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:11:14,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:11:14,658 INFO L87 Difference]: Start difference. First operand 9423 states and 10338 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:22,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:11:22,047 INFO L93 Difference]: Finished difference Result 9691 states and 10714 transitions. [2022-10-16 16:11:22,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 16:11:22,048 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 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 16:11:22,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:11:22,069 INFO L225 Difference]: With dead ends: 9691 [2022-10-16 16:11:22,070 INFO L226 Difference]: Without dead ends: 9253 [2022-10-16 16:11:22,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:11:22,074 INFO L413 NwaCegarLoop]: 3318 mSDtfsCounter, 27676 mSDsluCounter, 1356 mSDsCounter, 0 mSdLazyCounter, 6875 mSolverCounterSat, 462 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27676 SdHoareTripleChecker+Valid, 4674 SdHoareTripleChecker+Invalid, 7337 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 462 IncrementalHoareTripleChecker+Valid, 6875 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:11:22,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27676 Valid, 4674 Invalid, 7337 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [462 Valid, 6875 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2022-10-16 16:11:22,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9253 states. [2022-10-16 16:11:22,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9253 to 9103. [2022-10-16 16:11:22,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9103 states, 6822 states have (on average 1.4785986514218705) internal successors, (10087), 9102 states have internal predecessors, (10087), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:22,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9103 states to 9103 states and 10087 transitions. [2022-10-16 16:11:22,286 INFO L78 Accepts]: Start accepts. Automaton has 9103 states and 10087 transitions. Word has length 61 [2022-10-16 16:11:22,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:11:22,287 INFO L495 AbstractCegarLoop]: Abstraction has 9103 states and 10087 transitions. [2022-10-16 16:11:22,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:22,288 INFO L276 IsEmpty]: Start isEmpty. Operand 9103 states and 10087 transitions. [2022-10-16 16:11:22,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-16 16:11:22,292 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:11:22,292 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:11:22,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:11:22,293 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1927ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3609 more)] === [2022-10-16 16:11:22,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:11:22,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1526665871, now seen corresponding path program 1 times [2022-10-16 16:11:22,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:11:22,294 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659663868] [2022-10-16 16:11:22,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:11:22,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:11:22,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:11:22,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:11:22,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:11:22,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659663868] [2022-10-16 16:11:22,559 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659663868] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:11:22,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:11:22,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:11:22,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142279374] [2022-10-16 16:11:22,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:11:22,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:11:22,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:11:22,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:11:22,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:11:22,561 INFO L87 Difference]: Start difference. First operand 9103 states and 10087 transitions. Second operand has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:29,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:11:29,624 INFO L93 Difference]: Finished difference Result 9243 states and 10276 transitions. [2022-10-16 16:11:29,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:11:29,624 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 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 16:11:29,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:11:29,647 INFO L225 Difference]: With dead ends: 9243 [2022-10-16 16:11:29,648 INFO L226 Difference]: Without dead ends: 8801 [2022-10-16 16:11:29,653 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:11:29,655 INFO L413 NwaCegarLoop]: 3193 mSDtfsCounter, 27193 mSDsluCounter, 613 mSDsCounter, 0 mSdLazyCounter, 6198 mSolverCounterSat, 474 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27193 SdHoareTripleChecker+Valid, 3806 SdHoareTripleChecker+Invalid, 6672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 474 IncrementalHoareTripleChecker+Valid, 6198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:11:29,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27193 Valid, 3806 Invalid, 6672 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [474 Valid, 6198 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2022-10-16 16:11:29,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8801 states. [2022-10-16 16:11:29,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8801 to 8779. [2022-10-16 16:11:29,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8779 states, 6938 states have (on average 1.41683482271548) internal successors, (9830), 8778 states have internal predecessors, (9830), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:29,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8779 states to 8779 states and 9830 transitions. [2022-10-16 16:11:29,955 INFO L78 Accepts]: Start accepts. Automaton has 8779 states and 9830 transitions. Word has length 62 [2022-10-16 16:11:29,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:11:29,956 INFO L495 AbstractCegarLoop]: Abstraction has 8779 states and 9830 transitions. [2022-10-16 16:11:29,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.5) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:29,956 INFO L276 IsEmpty]: Start isEmpty. Operand 8779 states and 9830 transitions. [2022-10-16 16:11:29,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 16:11:29,962 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:11:29,962 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:11:29,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:11:29,962 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1928ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3609 more)] === [2022-10-16 16:11:29,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:11:29,963 INFO L85 PathProgramCache]: Analyzing trace with hash 82013266, now seen corresponding path program 1 times [2022-10-16 16:11:29,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:11:29,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358410847] [2022-10-16 16:11:29,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:11:29,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:11:30,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:11:30,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:11:30,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:11:30,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358410847] [2022-10-16 16:11:30,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358410847] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:11:30,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:11:30,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:11:30,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034793286] [2022-10-16 16:11:30,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:11:30,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:11:30,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:11:30,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:11:30,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:11:30,189 INFO L87 Difference]: Start difference. First operand 8779 states and 9830 transitions. Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:37,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:11:37,115 INFO L93 Difference]: Finished difference Result 9165 states and 10389 transitions. [2022-10-16 16:11:37,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 16:11:37,115 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 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 16:11:37,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:11:37,137 INFO L225 Difference]: With dead ends: 9165 [2022-10-16 16:11:37,137 INFO L226 Difference]: Without dead ends: 8729 [2022-10-16 16:11:37,141 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:11:37,142 INFO L413 NwaCegarLoop]: 3322 mSDtfsCounter, 33491 mSDsluCounter, 1979 mSDsCounter, 0 mSdLazyCounter, 6312 mSolverCounterSat, 473 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33491 SdHoareTripleChecker+Valid, 5301 SdHoareTripleChecker+Invalid, 6785 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 473 IncrementalHoareTripleChecker+Valid, 6312 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:11:37,142 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33491 Valid, 5301 Invalid, 6785 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [473 Valid, 6312 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-10-16 16:11:37,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8729 states. [2022-10-16 16:11:37,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8729 to 8461. [2022-10-16 16:11:37,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8461 states, 7054 states have (on average 1.3576694074284095) internal successors, (9577), 8460 states have internal predecessors, (9577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:37,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8461 states to 8461 states and 9577 transitions. [2022-10-16 16:11:37,355 INFO L78 Accepts]: Start accepts. Automaton has 8461 states and 9577 transitions. Word has length 63 [2022-10-16 16:11:37,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:11:37,357 INFO L495 AbstractCegarLoop]: Abstraction has 8461 states and 9577 transitions. [2022-10-16 16:11:37,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:37,358 INFO L276 IsEmpty]: Start isEmpty. Operand 8461 states and 9577 transitions. [2022-10-16 16:11:37,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-16 16:11:37,364 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:11:37,364 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:11:37,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:11:37,365 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1929ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3609 more)] === [2022-10-16 16:11:37,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:11:37,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1752544527, now seen corresponding path program 1 times [2022-10-16 16:11:37,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:11:37,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755784364] [2022-10-16 16:11:37,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:11:37,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:11:37,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:11:37,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:11:37,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:11:37,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755784364] [2022-10-16 16:11:37,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755784364] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:11:37,635 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:11:37,635 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:11:37,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867475014] [2022-10-16 16:11:37,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:11:37,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:11:37,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:11:37,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:11:37,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:11:37,641 INFO L87 Difference]: Start difference. First operand 8461 states and 9577 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:44,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:11:44,481 INFO L93 Difference]: Finished difference Result 8725 states and 9949 transitions. [2022-10-16 16:11:44,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:11:44,482 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2022-10-16 16:11:44,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:11:44,507 INFO L225 Difference]: With dead ends: 8725 [2022-10-16 16:11:44,508 INFO L226 Difference]: Without dead ends: 8286 [2022-10-16 16:11:44,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:11:44,514 INFO L413 NwaCegarLoop]: 3195 mSDtfsCounter, 32508 mSDsluCounter, 1171 mSDsCounter, 0 mSdLazyCounter, 5610 mSolverCounterSat, 491 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32508 SdHoareTripleChecker+Valid, 4366 SdHoareTripleChecker+Invalid, 6101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 491 IncrementalHoareTripleChecker+Valid, 5610 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-10-16 16:11:44,515 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32508 Valid, 4366 Invalid, 6101 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [491 Valid, 5610 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2022-10-16 16:11:44,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8286 states. [2022-10-16 16:11:44,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8286 to 8256. [2022-10-16 16:11:44,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8256 states, 7286 states have (on average 1.304419434531979) internal successors, (9504), 8255 states have internal predecessors, (9504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:44,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8256 states to 8256 states and 9504 transitions. [2022-10-16 16:11:44,805 INFO L78 Accepts]: Start accepts. Automaton has 8256 states and 9504 transitions. Word has length 64 [2022-10-16 16:11:44,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:11:44,806 INFO L495 AbstractCegarLoop]: Abstraction has 8256 states and 9504 transitions. [2022-10-16 16:11:44,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:44,806 INFO L276 IsEmpty]: Start isEmpty. Operand 8256 states and 9504 transitions. [2022-10-16 16:11:44,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-16 16:11:44,814 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:11:44,815 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:11:44,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:11:44,815 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1930ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3609 more)] === [2022-10-16 16:11:44,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:11:44,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1505706036, now seen corresponding path program 1 times [2022-10-16 16:11:44,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:11:44,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486616225] [2022-10-16 16:11:44,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:11:44,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:11:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:11:45,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:11:45,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:11:45,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486616225] [2022-10-16 16:11:45,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486616225] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:11:45,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:11:45,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:11:45,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349203379] [2022-10-16 16:11:45,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:11:45,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:11:45,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:11:45,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:11:45,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:11:45,105 INFO L87 Difference]: Start difference. First operand 8256 states and 9504 transitions. Second operand has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:51,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:11:51,652 INFO L93 Difference]: Finished difference Result 9698 states and 11724 transitions. [2022-10-16 16:11:51,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-10-16 16:11:51,653 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 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 16:11:51,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:11:51,668 INFO L225 Difference]: With dead ends: 9698 [2022-10-16 16:11:51,668 INFO L226 Difference]: Without dead ends: 8321 [2022-10-16 16:11:51,672 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2022-10-16 16:11:51,673 INFO L413 NwaCegarLoop]: 3324 mSDtfsCounter, 37718 mSDsluCounter, 2592 mSDsCounter, 0 mSdLazyCounter, 5782 mSolverCounterSat, 489 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37718 SdHoareTripleChecker+Valid, 5916 SdHoareTripleChecker+Invalid, 6271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 489 IncrementalHoareTripleChecker+Valid, 5782 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:11:51,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37718 Valid, 5916 Invalid, 6271 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [489 Valid, 5782 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-10-16 16:11:51,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8321 states. [2022-10-16 16:11:51,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8321 to 7939. [2022-10-16 16:11:51,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7939 states, 7402 states have (on average 1.2491218589570385) internal successors, (9246), 7938 states have internal predecessors, (9246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:51,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7939 states to 7939 states and 9246 transitions. [2022-10-16 16:11:51,898 INFO L78 Accepts]: Start accepts. Automaton has 7939 states and 9246 transitions. Word has length 65 [2022-10-16 16:11:51,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:11:51,899 INFO L495 AbstractCegarLoop]: Abstraction has 7939 states and 9246 transitions. [2022-10-16 16:11:51,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:51,899 INFO L276 IsEmpty]: Start isEmpty. Operand 7939 states and 9246 transitions. [2022-10-16 16:11:51,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-16 16:11:51,909 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:11:51,909 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:11:51,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:11:51,910 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr1931ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3609 more)] === [2022-10-16 16:11:51,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:11:51,910 INFO L85 PathProgramCache]: Analyzing trace with hash -567741613, now seen corresponding path program 1 times [2022-10-16 16:11:51,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:11:51,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076206742] [2022-10-16 16:11:51,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:11:51,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:11:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:11:52,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:11:52,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:11:52,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076206742] [2022-10-16 16:11:52,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076206742] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:11:52,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:11:52,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-10-16 16:11:52,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766822458] [2022-10-16 16:11:52,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:11:52,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-10-16 16:11:52,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:11:52,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-10-16 16:11:52,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:11:52,155 INFO L87 Difference]: Start difference. First operand 7939 states and 9246 transitions. Second operand has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 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 16:11:58,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:11:58,446 INFO L93 Difference]: Finished difference Result 8814 states and 10548 transitions. [2022-10-16 16:11:58,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-16 16:11:58,446 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 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 66 [2022-10-16 16:11:58,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:11:58,463 INFO L225 Difference]: With dead ends: 8814 [2022-10-16 16:11:58,464 INFO L226 Difference]: Without dead ends: 8377 [2022-10-16 16:11:58,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2022-10-16 16:11:58,470 INFO L413 NwaCegarLoop]: 3228 mSDtfsCounter, 36636 mSDsluCounter, 2161 mSDsCounter, 0 mSdLazyCounter, 5128 mSolverCounterSat, 532 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36636 SdHoareTripleChecker+Valid, 5389 SdHoareTripleChecker+Invalid, 5660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 532 IncrementalHoareTripleChecker+Valid, 5128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-10-16 16:11:58,470 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36636 Valid, 5389 Invalid, 5660 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [532 Valid, 5128 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2022-10-16 16:11:58,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8377 states. [2022-10-16 16:11:58,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8377 to 8317. [2022-10-16 16:11:58,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8317 states, 8215 states have (on average 1.2288496652465004) internal successors, (10095), 8316 states have internal predecessors, (10095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:11:58,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8317 states to 8317 states and 10095 transitions. [2022-10-16 16:11:58,791 INFO L78 Accepts]: Start accepts. Automaton has 8317 states and 10095 transitions. Word has length 66 [2022-10-16 16:11:58,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:11:58,791 INFO L495 AbstractCegarLoop]: Abstraction has 8317 states and 10095 transitions. [2022-10-16 16:11:58,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 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 16:11:58,792 INFO L276 IsEmpty]: Start isEmpty. Operand 8317 states and 10095 transitions. [2022-10-16 16:11:58,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 16:11:58,817 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:11:58,817 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:11:58,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:11:58,817 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr92ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3609 more)] === [2022-10-16 16:11:58,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:11:58,818 INFO L85 PathProgramCache]: Analyzing trace with hash 159604055, now seen corresponding path program 1 times [2022-10-16 16:11:58,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:11:58,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894445470] [2022-10-16 16:11:58,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:11:58,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:11:58,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:11:59,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:11:59,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:11:59,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894445470] [2022-10-16 16:11:59,098 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894445470] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:11:59,098 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:11:59,098 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:11:59,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724349416] [2022-10-16 16:11:59,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:11:59,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:11:59,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:11:59,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:11:59,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:11:59,100 INFO L87 Difference]: Start difference. First operand 8317 states and 10095 transitions. Second operand has 4 states, 3 states have (on average 30.333333333333332) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:04,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:12:04,865 INFO L93 Difference]: Finished difference Result 9037 states and 11211 transitions. [2022-10-16 16:12:04,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:12:04,866 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.333333333333332) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-10-16 16:12:04,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:12:04,882 INFO L225 Difference]: With dead ends: 9037 [2022-10-16 16:12:04,883 INFO L226 Difference]: Without dead ends: 9031 [2022-10-16 16:12:04,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:12:04,888 INFO L413 NwaCegarLoop]: 3463 mSDtfsCounter, 7369 mSDsluCounter, 3261 mSDsCounter, 0 mSdLazyCounter, 8190 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7369 SdHoareTripleChecker+Valid, 6724 SdHoareTripleChecker+Invalid, 8197 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 8190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:12:04,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7369 Valid, 6724 Invalid, 8197 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 8190 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-10-16 16:12:04,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9031 states. [2022-10-16 16:12:05,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9031 to 8545. [2022-10-16 16:12:05,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8545 states, 8447 states have (on average 1.238664614656091) internal successors, (10463), 8544 states have internal predecessors, (10463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:05,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8545 states to 8545 states and 10463 transitions. [2022-10-16 16:12:05,289 INFO L78 Accepts]: Start accepts. Automaton has 8545 states and 10463 transitions. Word has length 91 [2022-10-16 16:12:05,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:12:05,290 INFO L495 AbstractCegarLoop]: Abstraction has 8545 states and 10463 transitions. [2022-10-16 16:12:05,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.333333333333332) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:05,290 INFO L276 IsEmpty]: Start isEmpty. Operand 8545 states and 10463 transitions. [2022-10-16 16:12:05,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 16:12:05,305 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:12:05,305 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:12:05,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:12:05,305 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr124ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3609 more)] === [2022-10-16 16:12:05,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:12:05,306 INFO L85 PathProgramCache]: Analyzing trace with hash -262204789, now seen corresponding path program 1 times [2022-10-16 16:12:05,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:12:05,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575774428] [2022-10-16 16:12:05,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:12:05,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:12:05,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:12:05,566 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:12:05,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:12:05,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575774428] [2022-10-16 16:12:05,566 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575774428] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:12:05,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:12:05,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:12:05,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166482783] [2022-10-16 16:12:05,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:12:05,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:12:05,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:12:05,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:12:05,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:12:05,569 INFO L87 Difference]: Start difference. First operand 8545 states and 10463 transitions. Second operand has 4 states, 3 states have (on average 30.333333333333332) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:11,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:12:11,290 INFO L93 Difference]: Finished difference Result 9267 states and 11575 transitions. [2022-10-16 16:12:11,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:12:11,290 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.333333333333332) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 91 [2022-10-16 16:12:11,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:12:11,306 INFO L225 Difference]: With dead ends: 9267 [2022-10-16 16:12:11,306 INFO L226 Difference]: Without dead ends: 9261 [2022-10-16 16:12:11,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:12:11,312 INFO L413 NwaCegarLoop]: 3484 mSDtfsCounter, 7401 mSDsluCounter, 3251 mSDsCounter, 0 mSdLazyCounter, 8188 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7401 SdHoareTripleChecker+Valid, 6735 SdHoareTripleChecker+Invalid, 8195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 8188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:12:11,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7401 Valid, 6735 Invalid, 8195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 8188 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-10-16 16:12:11,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9261 states. [2022-10-16 16:12:11,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9261 to 9237. [2022-10-16 16:12:11,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9237 states, 9143 states have (on average 1.2651208574866017) internal successors, (11567), 9236 states have internal predecessors, (11567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:11,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9237 states to 9237 states and 11567 transitions. [2022-10-16 16:12:11,687 INFO L78 Accepts]: Start accepts. Automaton has 9237 states and 11567 transitions. Word has length 91 [2022-10-16 16:12:11,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:12:11,688 INFO L495 AbstractCegarLoop]: Abstraction has 9237 states and 11567 transitions. [2022-10-16 16:12:11,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.333333333333332) internal successors, (91), 4 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:11,688 INFO L276 IsEmpty]: Start isEmpty. Operand 9237 states and 11567 transitions. [2022-10-16 16:12:11,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 16:12:11,703 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:12:11,703 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:12:11,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:12:11,704 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr125ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3609 more)] === [2022-10-16 16:12:11,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:12:11,705 INFO L85 PathProgramCache]: Analyzing trace with hash 461587612, now seen corresponding path program 1 times [2022-10-16 16:12:11,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:12:11,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839341747] [2022-10-16 16:12:11,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:12:11,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:12:11,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:12:11,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:12:11,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:12:11,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839341747] [2022-10-16 16:12:11,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839341747] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:12:11,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:12:11,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:12:11,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125027181] [2022-10-16 16:12:11,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:12:11,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:12:11,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:12:11,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:12:11,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:12:11,932 INFO L87 Difference]: Start difference. First operand 9237 states and 11567 transitions. Second operand has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:17,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:12:17,504 INFO L93 Difference]: Finished difference Result 9249 states and 11567 transitions. [2022-10-16 16:12:17,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:12:17,504 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2022-10-16 16:12:17,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:12:17,516 INFO L225 Difference]: With dead ends: 9249 [2022-10-16 16:12:17,516 INFO L226 Difference]: Without dead ends: 9243 [2022-10-16 16:12:17,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:12:17,520 INFO L413 NwaCegarLoop]: 3319 mSDtfsCounter, 7688 mSDsluCounter, 3033 mSDsCounter, 0 mSdLazyCounter, 8235 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7688 SdHoareTripleChecker+Valid, 6352 SdHoareTripleChecker+Invalid, 8247 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 8235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:12:17,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7688 Valid, 6352 Invalid, 8247 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 8235 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-10-16 16:12:17,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9243 states. [2022-10-16 16:12:17,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9243 to 9231. [2022-10-16 16:12:17,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9231 states, 9143 states have (on average 1.2638083779940938) internal successors, (11555), 9230 states have internal predecessors, (11555), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:17,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9231 states to 9231 states and 11555 transitions. [2022-10-16 16:12:17,939 INFO L78 Accepts]: Start accepts. Automaton has 9231 states and 11555 transitions. Word has length 92 [2022-10-16 16:12:17,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:12:17,940 INFO L495 AbstractCegarLoop]: Abstraction has 9231 states and 11555 transitions. [2022-10-16 16:12:17,940 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 30.666666666666668) internal successors, (92), 4 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:17,940 INFO L276 IsEmpty]: Start isEmpty. Operand 9231 states and 11555 transitions. [2022-10-16 16:12:17,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 16:12:17,952 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:12:17,952 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:12:17,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:12:17,953 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr94ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3609 more)] === [2022-10-16 16:12:17,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:12:17,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1239288871, now seen corresponding path program 1 times [2022-10-16 16:12:17,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:12:17,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470004143] [2022-10-16 16:12:17,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:12:17,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:12:18,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:12:18,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:12:18,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:12:18,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470004143] [2022-10-16 16:12:18,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470004143] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:12:18,193 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:12:18,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:12:18,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1528555512] [2022-10-16 16:12:18,194 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:12:18,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:12:18,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:12:18,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:12:18,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:12:18,196 INFO L87 Difference]: Start difference. First operand 9231 states and 11555 transitions. Second operand has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:24,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:12:24,300 INFO L93 Difference]: Finished difference Result 9493 states and 11927 transitions. [2022-10-16 16:12:24,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:12:24,301 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2022-10-16 16:12:24,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:12:24,315 INFO L225 Difference]: With dead ends: 9493 [2022-10-16 16:12:24,315 INFO L226 Difference]: Without dead ends: 9488 [2022-10-16 16:12:24,320 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:12:24,321 INFO L413 NwaCegarLoop]: 3459 mSDtfsCounter, 14406 mSDsluCounter, 3635 mSDsCounter, 0 mSdLazyCounter, 8339 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14406 SdHoareTripleChecker+Valid, 7094 SdHoareTripleChecker+Invalid, 8346 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 8339 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:12:24,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14406 Valid, 7094 Invalid, 8346 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 8339 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-10-16 16:12:24,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9488 states. [2022-10-16 16:12:24,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9488 to 9460. [2022-10-16 16:12:24,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9460 states, 9375 states have (on average 1.2714666666666667) internal successors, (11920), 9459 states have internal predecessors, (11920), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:24,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9460 states to 9460 states and 11920 transitions. [2022-10-16 16:12:24,681 INFO L78 Accepts]: Start accepts. Automaton has 9460 states and 11920 transitions. Word has length 93 [2022-10-16 16:12:24,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:12:24,681 INFO L495 AbstractCegarLoop]: Abstraction has 9460 states and 11920 transitions. [2022-10-16 16:12:24,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:24,682 INFO L276 IsEmpty]: Start isEmpty. Operand 9460 states and 11920 transitions. [2022-10-16 16:12:24,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 16:12:24,695 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:12:24,695 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:12:24,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:12:24,696 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr70ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3609 more)] === [2022-10-16 16:12:24,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:12:24,696 INFO L85 PathProgramCache]: Analyzing trace with hash -270710964, now seen corresponding path program 1 times [2022-10-16 16:12:24,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:12:24,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480370922] [2022-10-16 16:12:24,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:12:24,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:12:24,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:12:24,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:12:24,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:12:24,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480370922] [2022-10-16 16:12:24,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480370922] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:12:24,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:12:24,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:12:24,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413910117] [2022-10-16 16:12:24,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:12:24,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:12:24,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:12:24,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:12:24,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:12:24,956 INFO L87 Difference]: Start difference. First operand 9460 states and 11920 transitions. Second operand has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:31,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:12:31,254 INFO L93 Difference]: Finished difference Result 9488 states and 11920 transitions. [2022-10-16 16:12:31,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:12:31,259 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2022-10-16 16:12:31,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:12:31,271 INFO L225 Difference]: With dead ends: 9488 [2022-10-16 16:12:31,272 INFO L226 Difference]: Without dead ends: 9483 [2022-10-16 16:12:31,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:12:31,275 INFO L413 NwaCegarLoop]: 3461 mSDtfsCounter, 14369 mSDsluCounter, 3646 mSDsCounter, 0 mSdLazyCounter, 8338 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14369 SdHoareTripleChecker+Valid, 7107 SdHoareTripleChecker+Invalid, 8345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 8338 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:12:31,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14369 Valid, 7107 Invalid, 8345 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 8338 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-10-16 16:12:31,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9483 states. [2022-10-16 16:12:31,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9483 to 9457. [2022-10-16 16:12:31,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9457 states, 9375 states have (on average 1.2702933333333333) internal successors, (11909), 9456 states have internal predecessors, (11909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:31,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9457 states to 9457 states and 11909 transitions. [2022-10-16 16:12:31,586 INFO L78 Accepts]: Start accepts. Automaton has 9457 states and 11909 transitions. Word has length 93 [2022-10-16 16:12:31,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:12:31,587 INFO L495 AbstractCegarLoop]: Abstraction has 9457 states and 11909 transitions. [2022-10-16 16:12:31,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:31,587 INFO L276 IsEmpty]: Start isEmpty. Operand 9457 states and 11909 transitions. [2022-10-16 16:12:31,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 16:12:31,600 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:12:31,601 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:12:31,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:12:31,601 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr126ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3609 more)] === [2022-10-16 16:12:31,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:12:31,602 INFO L85 PathProgramCache]: Analyzing trace with hash 1424315565, now seen corresponding path program 1 times [2022-10-16 16:12:31,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:12:31,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950762263] [2022-10-16 16:12:31,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:12:31,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:12:31,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:12:31,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:12:31,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:12:31,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950762263] [2022-10-16 16:12:31,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [950762263] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:12:31,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:12:31,862 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:12:31,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577121837] [2022-10-16 16:12:31,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:12:31,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:12:31,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:12:31,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:12:31,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:12:31,864 INFO L87 Difference]: Start difference. First operand 9457 states and 11909 transitions. Second operand has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:38,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:12:38,257 INFO L93 Difference]: Finished difference Result 9719 states and 12281 transitions. [2022-10-16 16:12:38,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:12:38,258 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2022-10-16 16:12:38,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:12:38,270 INFO L225 Difference]: With dead ends: 9719 [2022-10-16 16:12:38,270 INFO L226 Difference]: Without dead ends: 9714 [2022-10-16 16:12:38,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:12:38,274 INFO L413 NwaCegarLoop]: 3485 mSDtfsCounter, 14314 mSDsluCounter, 4004 mSDsCounter, 0 mSdLazyCounter, 8557 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14314 SdHoareTripleChecker+Valid, 7489 SdHoareTripleChecker+Invalid, 8564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 8557 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:12:38,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14314 Valid, 7489 Invalid, 8564 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 8557 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2022-10-16 16:12:38,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9714 states. [2022-10-16 16:12:38,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9714 to 9686. [2022-10-16 16:12:38,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9686 states, 9607 states have (on average 1.27761007598626) internal successors, (12274), 9685 states have internal predecessors, (12274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:38,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9686 states to 9686 states and 12274 transitions. [2022-10-16 16:12:38,632 INFO L78 Accepts]: Start accepts. Automaton has 9686 states and 12274 transitions. Word has length 93 [2022-10-16 16:12:38,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:12:38,633 INFO L495 AbstractCegarLoop]: Abstraction has 9686 states and 12274 transitions. [2022-10-16 16:12:38,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.25) internal successors, (93), 5 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:38,633 INFO L276 IsEmpty]: Start isEmpty. Operand 9686 states and 12274 transitions. [2022-10-16 16:12:38,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 16:12:38,647 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:12:38,647 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:12:38,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 16:12:38,647 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr156ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3609 more)] === [2022-10-16 16:12:38,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:12:38,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1217541548, now seen corresponding path program 1 times [2022-10-16 16:12:38,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:12:38,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745288522] [2022-10-16 16:12:38,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:12:38,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:12:38,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:12:38,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:12:38,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:12:38,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745288522] [2022-10-16 16:12:38,844 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745288522] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:12:38,844 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:12:38,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:12:38,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806889545] [2022-10-16 16:12:38,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:12:38,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:12:38,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:12:38,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:12:38,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:12:38,846 INFO L87 Difference]: Start difference. First operand 9686 states and 12274 transitions. Second operand has 4 states, 3 states have (on average 31.0) internal successors, (93), 4 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:44,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:12:44,872 INFO L93 Difference]: Finished difference Result 9944 states and 12650 transitions. [2022-10-16 16:12:44,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:12:44,873 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.0) internal successors, (93), 4 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2022-10-16 16:12:44,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:12:44,885 INFO L225 Difference]: With dead ends: 9944 [2022-10-16 16:12:44,886 INFO L226 Difference]: Without dead ends: 9941 [2022-10-16 16:12:44,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:12:44,890 INFO L413 NwaCegarLoop]: 7497 mSDtfsCounter, 593 mSDsluCounter, 6308 mSDsCounter, 0 mSdLazyCounter, 8349 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 593 SdHoareTripleChecker+Valid, 13805 SdHoareTripleChecker+Invalid, 8354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 8349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:12:44,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [593 Valid, 13805 Invalid, 8354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 8349 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2022-10-16 16:12:44,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9941 states. [2022-10-16 16:12:45,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9941 to 9685. [2022-10-16 16:12:45,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9685 states, 9607 states have (on average 1.2762568960133236) internal successors, (12261), 9684 states have internal predecessors, (12261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:45,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9685 states to 9685 states and 12261 transitions. [2022-10-16 16:12:45,169 INFO L78 Accepts]: Start accepts. Automaton has 9685 states and 12261 transitions. Word has length 93 [2022-10-16 16:12:45,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:12:45,170 INFO L495 AbstractCegarLoop]: Abstraction has 9685 states and 12261 transitions. [2022-10-16 16:12:45,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.0) internal successors, (93), 4 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:45,170 INFO L276 IsEmpty]: Start isEmpty. Operand 9685 states and 12261 transitions. [2022-10-16 16:12:45,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 16:12:45,180 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:12:45,180 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:12:45,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:12:45,180 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr95ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3609 more)] === [2022-10-16 16:12:45,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:12:45,181 INFO L85 PathProgramCache]: Analyzing trace with hash 236751821, now seen corresponding path program 1 times [2022-10-16 16:12:45,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:12:45,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755375427] [2022-10-16 16:12:45,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:12:45,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:12:45,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:12:45,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:12:45,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:12:45,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1755375427] [2022-10-16 16:12:45,413 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1755375427] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:12:45,413 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:12:45,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:12:45,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64151283] [2022-10-16 16:12:45,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:12:45,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:12:45,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:12:45,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:12:45,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:12:45,415 INFO L87 Difference]: Start difference. First operand 9685 states and 12261 transitions. Second operand has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:51,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:12:51,816 INFO L93 Difference]: Finished difference Result 10871 states and 14113 transitions. [2022-10-16 16:12:51,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:12:51,816 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2022-10-16 16:12:51,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:12:51,829 INFO L225 Difference]: With dead ends: 10871 [2022-10-16 16:12:51,829 INFO L226 Difference]: Without dead ends: 10866 [2022-10-16 16:12:51,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:12:51,833 INFO L413 NwaCegarLoop]: 3342 mSDtfsCounter, 14929 mSDsluCounter, 3267 mSDsCounter, 0 mSdLazyCounter, 8251 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14929 SdHoareTripleChecker+Valid, 6609 SdHoareTripleChecker+Invalid, 8269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 8251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-10-16 16:12:51,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14929 Valid, 6609 Invalid, 8269 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [18 Valid, 8251 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2022-10-16 16:12:51,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10866 states. [2022-10-16 16:12:52,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10866 to 10378. [2022-10-16 16:12:52,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10378 states, 10303 states have (on average 1.2972920508589731) internal successors, (13366), 10377 states have internal predecessors, (13366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:52,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10378 states to 10378 states and 13366 transitions. [2022-10-16 16:12:52,217 INFO L78 Accepts]: Start accepts. Automaton has 10378 states and 13366 transitions. Word has length 94 [2022-10-16 16:12:52,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:12:52,218 INFO L495 AbstractCegarLoop]: Abstraction has 10378 states and 13366 transitions. [2022-10-16 16:12:52,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:52,218 INFO L276 IsEmpty]: Start isEmpty. Operand 10378 states and 13366 transitions. [2022-10-16 16:12:52,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 16:12:52,224 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:12:52,224 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:12:52,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:12:52,225 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr127ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3609 more)] === [2022-10-16 16:12:52,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:12:52,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1204111038, now seen corresponding path program 1 times [2022-10-16 16:12:52,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:12:52,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132574214] [2022-10-16 16:12:52,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:12:52,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:12:52,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:12:52,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:12:52,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:12:52,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132574214] [2022-10-16 16:12:52,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132574214] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:12:52,474 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:12:52,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:12:52,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124051672] [2022-10-16 16:12:52,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:12:52,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:12:52,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:12:52,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:12:52,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:12:52,476 INFO L87 Difference]: Start difference. First operand 10378 states and 13366 transitions. Second operand has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:58,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:12:58,854 INFO L93 Difference]: Finished difference Result 11334 states and 14862 transitions. [2022-10-16 16:12:58,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:12:58,859 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2022-10-16 16:12:58,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:12:58,876 INFO L225 Difference]: With dead ends: 11334 [2022-10-16 16:12:58,877 INFO L226 Difference]: Without dead ends: 11328 [2022-10-16 16:12:58,881 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 16:12:58,882 INFO L413 NwaCegarLoop]: 3348 mSDtfsCounter, 14879 mSDsluCounter, 3260 mSDsCounter, 0 mSdLazyCounter, 8272 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14879 SdHoareTripleChecker+Valid, 6608 SdHoareTripleChecker+Invalid, 8292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 8272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-10-16 16:12:58,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14879 Valid, 6608 Invalid, 8292 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [20 Valid, 8272 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2022-10-16 16:12:58,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11328 states. [2022-10-16 16:12:59,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11328 to 11302. [2022-10-16 16:12:59,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11302 states, 11231 states have (on average 1.321164633603419) internal successors, (14838), 11301 states have internal predecessors, (14838), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:59,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11302 states to 11302 states and 14838 transitions. [2022-10-16 16:12:59,249 INFO L78 Accepts]: Start accepts. Automaton has 11302 states and 14838 transitions. Word has length 94 [2022-10-16 16:12:59,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:12:59,249 INFO L495 AbstractCegarLoop]: Abstraction has 11302 states and 14838 transitions. [2022-10-16 16:12:59,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.5) internal successors, (94), 5 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:12:59,249 INFO L276 IsEmpty]: Start isEmpty. Operand 11302 states and 14838 transitions. [2022-10-16 16:12:59,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 16:12:59,256 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:12:59,256 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:12:59,256 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 16:12:59,256 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3609 more)] === [2022-10-16 16:12:59,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:12:59,257 INFO L85 PathProgramCache]: Analyzing trace with hash 174599768, now seen corresponding path program 1 times [2022-10-16 16:12:59,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:12:59,257 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289433971] [2022-10-16 16:12:59,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:12:59,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:12:59,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:12:59,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:12:59,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:12:59,513 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289433971] [2022-10-16 16:12:59,513 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289433971] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:12:59,513 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:12:59,513 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:12:59,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255721238] [2022-10-16 16:12:59,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:12:59,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:12:59,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:12:59,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:12:59,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:12:59,515 INFO L87 Difference]: Start difference. First operand 11302 states and 14838 transitions. Second operand has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:07,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:07,404 INFO L93 Difference]: Finished difference Result 11562 states and 15206 transitions. [2022-10-16 16:13:07,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:13:07,405 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2022-10-16 16:13:07,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:07,417 INFO L225 Difference]: With dead ends: 11562 [2022-10-16 16:13:07,417 INFO L226 Difference]: Without dead ends: 11559 [2022-10-16 16:13:07,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 16:13:07,421 INFO L413 NwaCegarLoop]: 3596 mSDtfsCounter, 7564 mSDsluCounter, 6392 mSDsCounter, 0 mSdLazyCounter, 12202 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7564 SdHoareTripleChecker+Valid, 9988 SdHoareTripleChecker+Invalid, 12208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 12202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:07,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7564 Valid, 9988 Invalid, 12208 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 12202 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2022-10-16 16:13:07,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11559 states. [2022-10-16 16:13:07,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11559 to 11301. [2022-10-16 16:13:07,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11301 states, 11231 states have (on average 1.320363280206571) internal successors, (14829), 11300 states have internal predecessors, (14829), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:07,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11301 states to 11301 states and 14829 transitions. [2022-10-16 16:13:07,792 INFO L78 Accepts]: Start accepts. Automaton has 11301 states and 14829 transitions. Word has length 95 [2022-10-16 16:13:07,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:07,792 INFO L495 AbstractCegarLoop]: Abstraction has 11301 states and 14829 transitions. [2022-10-16 16:13:07,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:07,792 INFO L276 IsEmpty]: Start isEmpty. Operand 11301 states and 14829 transitions. [2022-10-16 16:13:07,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 16:13:07,799 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:07,799 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:13:07,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 16:13:07,799 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr96ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3609 more)] === [2022-10-16 16:13:07,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:07,800 INFO L85 PathProgramCache]: Analyzing trace with hash -1250626981, now seen corresponding path program 1 times [2022-10-16 16:13:07,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:07,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775096646] [2022-10-16 16:13:07,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:07,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:07,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:08,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:13:08,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:08,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775096646] [2022-10-16 16:13:08,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775096646] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:08,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:08,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:13:08,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328972298] [2022-10-16 16:13:08,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:08,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:13:08,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:08,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:13:08,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:13:08,066 INFO L87 Difference]: Start difference. First operand 11301 states and 14829 transitions. Second operand has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:14,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:14,798 INFO L93 Difference]: Finished difference Result 11793 states and 15557 transitions. [2022-10-16 16:13:14,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:13:14,799 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2022-10-16 16:13:14,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:14,809 INFO L225 Difference]: With dead ends: 11793 [2022-10-16 16:13:14,810 INFO L226 Difference]: Without dead ends: 11789 [2022-10-16 16:13:14,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:13:14,814 INFO L413 NwaCegarLoop]: 3463 mSDtfsCounter, 21491 mSDsluCounter, 4060 mSDsCounter, 0 mSdLazyCounter, 8568 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21491 SdHoareTripleChecker+Valid, 7523 SdHoareTripleChecker+Invalid, 8575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 8568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:14,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21491 Valid, 7523 Invalid, 8575 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 8568 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2022-10-16 16:13:14,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11789 states. [2022-10-16 16:13:15,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11789 to 11531. [2022-10-16 16:13:15,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11531 states, 11463 states have (on average 1.3248713251330366) internal successors, (15187), 11530 states have internal predecessors, (15187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:15,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11531 states to 11531 states and 15187 transitions. [2022-10-16 16:13:15,193 INFO L78 Accepts]: Start accepts. Automaton has 11531 states and 15187 transitions. Word has length 95 [2022-10-16 16:13:15,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:15,193 INFO L495 AbstractCegarLoop]: Abstraction has 11531 states and 15187 transitions. [2022-10-16 16:13:15,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:15,194 INFO L276 IsEmpty]: Start isEmpty. Operand 11531 states and 15187 transitions. [2022-10-16 16:13:15,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 16:13:15,200 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:15,201 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:13:15,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 16:13:15,201 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3609 more)] === [2022-10-16 16:13:15,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:15,202 INFO L85 PathProgramCache]: Analyzing trace with hash 938087790, now seen corresponding path program 1 times [2022-10-16 16:13:15,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:15,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986216566] [2022-10-16 16:13:15,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:15,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:15,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:15,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:13:15,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:15,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986216566] [2022-10-16 16:13:15,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986216566] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:15,356 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:15,356 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:13:15,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762537228] [2022-10-16 16:13:15,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:15,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:13:15,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:15,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:13:15,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:13:15,358 INFO L87 Difference]: Start difference. First operand 11531 states and 15187 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:16,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:16,685 INFO L93 Difference]: Finished difference Result 21914 states and 31302 transitions. [2022-10-16 16:13:16,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:13:16,685 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2022-10-16 16:13:16,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:16,715 INFO L225 Difference]: With dead ends: 21914 [2022-10-16 16:13:16,715 INFO L226 Difference]: Without dead ends: 16452 [2022-10-16 16:13:16,729 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:13:16,730 INFO L413 NwaCegarLoop]: 7334 mSDtfsCounter, 3688 mSDsluCounter, 4042 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3688 SdHoareTripleChecker+Valid, 11376 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:16,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3688 Valid, 11376 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:13:16,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16452 states. [2022-10-16 16:13:17,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16452 to 16180. [2022-10-16 16:13:17,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16180 states, 16112 states have (on average 1.3890268123138034) internal successors, (22380), 16179 states have internal predecessors, (22380), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:17,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16180 states to 16180 states and 22380 transitions. [2022-10-16 16:13:17,655 INFO L78 Accepts]: Start accepts. Automaton has 16180 states and 22380 transitions. Word has length 95 [2022-10-16 16:13:17,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:17,655 INFO L495 AbstractCegarLoop]: Abstraction has 16180 states and 22380 transitions. [2022-10-16 16:13:17,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:17,656 INFO L276 IsEmpty]: Start isEmpty. Operand 16180 states and 22380 transitions. [2022-10-16 16:13:17,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 16:13:17,665 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:17,665 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:13:17,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 16:13:17,666 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3609 more)] === [2022-10-16 16:13:17,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:17,666 INFO L85 PathProgramCache]: Analyzing trace with hash 1839799662, now seen corresponding path program 1 times [2022-10-16 16:13:17,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:17,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678877086] [2022-10-16 16:13:17,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:17,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:17,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:17,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:13:17,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:17,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678877086] [2022-10-16 16:13:17,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678877086] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:17,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:17,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:13:17,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800693142] [2022-10-16 16:13:17,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:17,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:13:17,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:17,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:13:17,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:13:17,931 INFO L87 Difference]: Start difference. First operand 16180 states and 22380 transitions. Second operand has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:25,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:25,071 INFO L93 Difference]: Finished difference Result 16650 states and 23068 transitions. [2022-10-16 16:13:25,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:13:25,073 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2022-10-16 16:13:25,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:25,091 INFO L225 Difference]: With dead ends: 16650 [2022-10-16 16:13:25,092 INFO L226 Difference]: Without dead ends: 16646 [2022-10-16 16:13:25,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:13:25,096 INFO L413 NwaCegarLoop]: 3491 mSDtfsCounter, 21316 mSDsluCounter, 4234 mSDsCounter, 0 mSdLazyCounter, 8611 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21316 SdHoareTripleChecker+Valid, 7725 SdHoareTripleChecker+Invalid, 8618 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 8611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:25,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21316 Valid, 7725 Invalid, 8618 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 8611 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-10-16 16:13:25,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16646 states. [2022-10-16 16:13:25,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16646 to 16620. [2022-10-16 16:13:25,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16620 states, 16554 states have (on average 1.3927751600821554) internal successors, (23056), 16619 states have internal predecessors, (23056), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:25,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16620 states to 16620 states and 23056 transitions. [2022-10-16 16:13:25,821 INFO L78 Accepts]: Start accepts. Automaton has 16620 states and 23056 transitions. Word has length 95 [2022-10-16 16:13:25,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:25,821 INFO L495 AbstractCegarLoop]: Abstraction has 16620 states and 23056 transitions. [2022-10-16 16:13:25,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:25,822 INFO L276 IsEmpty]: Start isEmpty. Operand 16620 states and 23056 transitions. [2022-10-16 16:13:25,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 16:13:25,828 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:25,828 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:13:25,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 16:13:25,828 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr150ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3609 more)] === [2022-10-16 16:13:25,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:25,829 INFO L85 PathProgramCache]: Analyzing trace with hash 97964748, now seen corresponding path program 1 times [2022-10-16 16:13:25,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:25,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385148396] [2022-10-16 16:13:25,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:25,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:25,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:26,082 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:13:26,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:26,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385148396] [2022-10-16 16:13:26,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385148396] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:26,083 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:26,083 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:13:26,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16996607] [2022-10-16 16:13:26,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:26,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:13:26,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:26,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:13:26,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:13:26,086 INFO L87 Difference]: Start difference. First operand 16620 states and 23056 transitions. Second operand has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:34,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:34,430 INFO L93 Difference]: Finished difference Result 17974 states and 25144 transitions. [2022-10-16 16:13:34,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:13:34,431 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2022-10-16 16:13:34,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:34,451 INFO L225 Difference]: With dead ends: 17974 [2022-10-16 16:13:34,451 INFO L226 Difference]: Without dead ends: 17971 [2022-10-16 16:13:34,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 16:13:34,456 INFO L413 NwaCegarLoop]: 3627 mSDtfsCounter, 7481 mSDsluCounter, 6584 mSDsCounter, 0 mSdLazyCounter, 12324 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7481 SdHoareTripleChecker+Valid, 10211 SdHoareTripleChecker+Invalid, 12330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 12324 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:34,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7481 Valid, 10211 Invalid, 12330 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 12324 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2022-10-16 16:13:34,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17971 states. [2022-10-16 16:13:35,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17971 to 17503. [2022-10-16 16:13:35,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17503 states, 17438 states have (on average 1.401422181442826) internal successors, (24438), 17502 states have internal predecessors, (24438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:35,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17503 states to 17503 states and 24438 transitions. [2022-10-16 16:13:35,248 INFO L78 Accepts]: Start accepts. Automaton has 17503 states and 24438 transitions. Word has length 95 [2022-10-16 16:13:35,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:35,249 INFO L495 AbstractCegarLoop]: Abstraction has 17503 states and 24438 transitions. [2022-10-16 16:13:35,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:35,249 INFO L276 IsEmpty]: Start isEmpty. Operand 17503 states and 24438 transitions. [2022-10-16 16:13:35,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 16:13:35,257 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:35,258 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:13:35,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 16:13:35,258 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr128ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3609 more)] === [2022-10-16 16:13:35,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:35,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1327262001, now seen corresponding path program 1 times [2022-10-16 16:13:35,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:35,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255600812] [2022-10-16 16:13:35,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:35,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:35,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:35,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:13:35,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:35,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255600812] [2022-10-16 16:13:35,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255600812] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:35,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:35,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:13:35,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432992233] [2022-10-16 16:13:35,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:35,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:13:35,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:35,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:13:35,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:13:35,513 INFO L87 Difference]: Start difference. First operand 17503 states and 24438 transitions. Second operand has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:42,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:42,885 INFO L93 Difference]: Finished difference Result 18415 states and 25814 transitions. [2022-10-16 16:13:42,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:13:42,885 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2022-10-16 16:13:42,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:42,909 INFO L225 Difference]: With dead ends: 18415 [2022-10-16 16:13:42,909 INFO L226 Difference]: Without dead ends: 18411 [2022-10-16 16:13:42,915 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:13:42,916 INFO L413 NwaCegarLoop]: 3490 mSDtfsCounter, 21333 mSDsluCounter, 4705 mSDsCounter, 0 mSdLazyCounter, 8881 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21333 SdHoareTripleChecker+Valid, 8195 SdHoareTripleChecker+Invalid, 8888 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 8881 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:42,916 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21333 Valid, 8195 Invalid, 8888 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 8881 Invalid, 0 Unknown, 0 Unchecked, 6.3s Time] [2022-10-16 16:13:42,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18411 states. [2022-10-16 16:13:43,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18411 to 17943. [2022-10-16 16:13:43,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17943 states, 17880 states have (on average 1.404586129753915) internal successors, (25114), 17942 states have internal predecessors, (25114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:43,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17943 states to 17943 states and 25114 transitions. [2022-10-16 16:13:43,888 INFO L78 Accepts]: Start accepts. Automaton has 17943 states and 25114 transitions. Word has length 95 [2022-10-16 16:13:43,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:43,888 INFO L495 AbstractCegarLoop]: Abstraction has 17943 states and 25114 transitions. [2022-10-16 16:13:43,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:43,889 INFO L276 IsEmpty]: Start isEmpty. Operand 17943 states and 25114 transitions. [2022-10-16 16:13:43,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 16:13:43,897 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:43,898 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:13:43,898 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 16:13:43,898 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr158ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3609 more)] === [2022-10-16 16:13:43,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:43,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1826266154, now seen corresponding path program 1 times [2022-10-16 16:13:43,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:43,899 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781801223] [2022-10-16 16:13:43,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:43,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:43,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:44,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:13:44,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:44,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781801223] [2022-10-16 16:13:44,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781801223] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:44,118 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:44,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:13:44,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739499575] [2022-10-16 16:13:44,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:44,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:13:44,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:44,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:13:44,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:13:44,120 INFO L87 Difference]: Start difference. First operand 17943 states and 25114 transitions. Second operand has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:52,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:13:52,365 INFO L93 Difference]: Finished difference Result 20187 states and 28610 transitions. [2022-10-16 16:13:52,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:13:52,366 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2022-10-16 16:13:52,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:13:52,388 INFO L225 Difference]: With dead ends: 20187 [2022-10-16 16:13:52,388 INFO L226 Difference]: Without dead ends: 20184 [2022-10-16 16:13:52,393 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 16:13:52,394 INFO L413 NwaCegarLoop]: 4500 mSDtfsCounter, 7511 mSDsluCounter, 6578 mSDsCounter, 0 mSdLazyCounter, 11434 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7511 SdHoareTripleChecker+Valid, 11078 SdHoareTripleChecker+Invalid, 11440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 11434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:13:52,394 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7511 Valid, 11078 Invalid, 11440 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 11434 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2022-10-16 16:13:52,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20184 states. [2022-10-16 16:13:53,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20184 to 20152. [2022-10-16 16:13:53,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20152 states, 20090 states have (on average 1.4231956197112992) internal successors, (28592), 20151 states have internal predecessors, (28592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:53,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20152 states to 20152 states and 28592 transitions. [2022-10-16 16:13:53,372 INFO L78 Accepts]: Start accepts. Automaton has 20152 states and 28592 transitions. Word has length 95 [2022-10-16 16:13:53,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:13:53,373 INFO L495 AbstractCegarLoop]: Abstraction has 20152 states and 28592 transitions. [2022-10-16 16:13:53,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 23.75) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:13:53,373 INFO L276 IsEmpty]: Start isEmpty. Operand 20152 states and 28592 transitions. [2022-10-16 16:13:53,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 16:13:53,379 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:13:53,379 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:13:53,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 16:13:53,379 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3609 more)] === [2022-10-16 16:13:53,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:13:53,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1594008017, now seen corresponding path program 1 times [2022-10-16 16:13:53,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:13:53,380 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274794499] [2022-10-16 16:13:53,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:13:53,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:13:53,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:13:53,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:13:53,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:13:53,618 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274794499] [2022-10-16 16:13:53,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274794499] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:13:53,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:13:53,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:13:53,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674085663] [2022-10-16 16:13:53,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:13:53,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:13:53,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:13:53,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:13:53,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:13:53,620 INFO L87 Difference]: Start difference. First operand 20152 states and 28592 transitions. Second operand has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:00,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:14:00,929 INFO L93 Difference]: Finished difference Result 20178 states and 28592 transitions. [2022-10-16 16:14:00,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:14:00,930 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2022-10-16 16:14:00,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:14:00,954 INFO L225 Difference]: With dead ends: 20178 [2022-10-16 16:14:00,955 INFO L226 Difference]: Without dead ends: 20174 [2022-10-16 16:14:00,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:14:00,962 INFO L413 NwaCegarLoop]: 3489 mSDtfsCounter, 21248 mSDsluCounter, 4564 mSDsCounter, 0 mSdLazyCounter, 8861 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21248 SdHoareTripleChecker+Valid, 8053 SdHoareTripleChecker+Invalid, 8871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 8861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:14:00,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21248 Valid, 8053 Invalid, 8871 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [10 Valid, 8861 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2022-10-16 16:14:00,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20174 states. [2022-10-16 16:14:02,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20174 to 20150. [2022-10-16 16:14:02,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20150 states, 20090 states have (on average 1.4226978596316575) internal successors, (28582), 20149 states have internal predecessors, (28582), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:02,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20150 states to 20150 states and 28582 transitions. [2022-10-16 16:14:02,073 INFO L78 Accepts]: Start accepts. Automaton has 20150 states and 28582 transitions. Word has length 95 [2022-10-16 16:14:02,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:14:02,073 INFO L495 AbstractCegarLoop]: Abstraction has 20150 states and 28582 transitions. [2022-10-16 16:14:02,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.0) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:02,073 INFO L276 IsEmpty]: Start isEmpty. Operand 20150 states and 28582 transitions. [2022-10-16 16:14:02,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 16:14:02,081 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:14:02,081 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:14:02,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 16:14:02,081 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr97ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3609 more)] === [2022-10-16 16:14:02,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:14:02,082 INFO L85 PathProgramCache]: Analyzing trace with hash -114729585, now seen corresponding path program 1 times [2022-10-16 16:14:02,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:14:02,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157444784] [2022-10-16 16:14:02,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:14:02,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:14:02,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:14:02,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:14:02,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:14:02,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157444784] [2022-10-16 16:14:02,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157444784] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:14:02,319 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:14:02,319 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:14:02,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405218176] [2022-10-16 16:14:02,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:14:02,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:14:02,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:14:02,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:14:02,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:14:02,321 INFO L87 Difference]: Start difference. First operand 20150 states and 28582 transitions. Second operand has 6 states, 5 states have (on average 19.2) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:09,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:14:09,997 INFO L93 Difference]: Finished difference Result 25050 states and 36246 transitions. [2022-10-16 16:14:09,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:14:09,997 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 19.2) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2022-10-16 16:14:09,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:14:10,024 INFO L225 Difference]: With dead ends: 25050 [2022-10-16 16:14:10,025 INFO L226 Difference]: Without dead ends: 25045 [2022-10-16 16:14:10,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:14:10,031 INFO L413 NwaCegarLoop]: 3352 mSDtfsCounter, 22048 mSDsluCounter, 3558 mSDsCounter, 0 mSdLazyCounter, 8402 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22048 SdHoareTripleChecker+Valid, 6910 SdHoareTripleChecker+Invalid, 8431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 8402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:14:10,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22048 Valid, 6910 Invalid, 8431 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [29 Valid, 8402 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2022-10-16 16:14:10,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25045 states. [2022-10-16 16:14:11,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25045 to 25009. [2022-10-16 16:14:11,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25009 states, 24952 states have (on average 1.450825585123437) internal successors, (36201), 25008 states have internal predecessors, (36201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:11,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25009 states to 25009 states and 36201 transitions. [2022-10-16 16:14:11,437 INFO L78 Accepts]: Start accepts. Automaton has 25009 states and 36201 transitions. Word has length 96 [2022-10-16 16:14:11,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:14:11,437 INFO L495 AbstractCegarLoop]: Abstraction has 25009 states and 36201 transitions. [2022-10-16 16:14:11,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 19.2) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:14:11,438 INFO L276 IsEmpty]: Start isEmpty. Operand 25009 states and 36201 transitions. [2022-10-16 16:14:11,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 16:14:11,443 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:14:11,443 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:14:11,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 16:14:11,443 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3609 more)] === [2022-10-16 16:14:11,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:14:11,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1199215647, now seen corresponding path program 1 times [2022-10-16 16:14:11,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:14:11,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008070449] [2022-10-16 16:14:11,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:14:11,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:14:11,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:14:11,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:14:11,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:14:11,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008070449] [2022-10-16 16:14:11,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008070449] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:14:11,663 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:14:11,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:14:11,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968978113] [2022-10-16 16:14:11,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:14:11,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 16:14:11,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:14:11,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 16:14:11,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:14:11,665 INFO L87 Difference]: Start difference. First operand 25009 states and 36201 transitions. Second operand has 6 states, 5 states have (on average 19.2) internal successors, (96), 6 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)