/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/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:10:54,447 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:10:54,450 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:10:54,486 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-16 15:10:54,487 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-16 15:10:54,488 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-16 15:10:54,490 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-16 15:10:54,492 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-16 15:10:54,494 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-16 15:10:54,496 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-16 15:10:54,497 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-16 15:10:54,499 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-16 15:10:54,499 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 15:10:54,500 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 15:10:54,502 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 15:10:54,516 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 15:10:54,517 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 15:10:54,520 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 15:10:54,528 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 15:10:54,535 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 15:10:54,540 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 15:10:54,541 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 15:10:54,544 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 15:10:54,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 15:10:54,555 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 15:10:54,573 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:10:54,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:10:54,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:10:54,576 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 15:10:54,635 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:10:54,635 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:10:54,636 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:10:54,636 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:10:54,638 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:10:54,638 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:10:54,641 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:10:54,642 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:10:54,642 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:10:54,642 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:10:54,643 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:10:54,643 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:10:54,643 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:10:54,643 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:10:54,643 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:10:54,644 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:10:54,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:10:54,644 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:10:54,644 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:10:54,644 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:10:54,644 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:10:54,645 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:10:54,645 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:10:54,645 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:10:54,645 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:10:54,645 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:10:54,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:10:54,646 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:10:54,646 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:10:54,646 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:10:54,646 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:10:54,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:10:54,646 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:10:54,651 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:10:55,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:10:55,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:10:55,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:10:55,099 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:10:55,099 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:10:55,101 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c [2022-10-16 15:10:55,211 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46b126bee/3e4465ded66441f692c5bf7e063b6050/FLAG93ef776bf [2022-10-16 15:10:55,954 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:10:55,955 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c [2022-10-16 15:10:55,968 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46b126bee/3e4465ded66441f692c5bf7e063b6050/FLAG93ef776bf [2022-10-16 15:10:56,300 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/46b126bee/3e4465ded66441f692c5bf7e063b6050 [2022-10-16 15:10:56,304 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:10:56,312 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:10:56,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:10:56,319 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:10:56,326 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:10:56,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:10:56" (1/1) ... [2022-10-16 15:10:56,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a421e40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:10:56, skipping insertion in model container [2022-10-16 15:10:56,331 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:10:56" (1/1) ... [2022-10-16 15:10:56,342 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:10:56,414 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:10:56,788 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/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c[9376,9389] [2022-10-16 15:10:56,788 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:10:56,800 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:10:56,854 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/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c[9376,9389] [2022-10-16 15:10:56,854 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:10:56,874 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:10:56,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:10:56 WrapperNode [2022-10-16 15:10:56,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:10:56,876 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:10:56,876 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:10:56,876 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:10:56,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:10:56" (1/1) ... [2022-10-16 15:10:56,898 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:10:56" (1/1) ... [2022-10-16 15:10:56,940 INFO L138 Inliner]: procedures = 24, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 333 [2022-10-16 15:10:56,941 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:10:56,942 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:10:56,942 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:10:56,942 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:10:56,954 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:10:56" (1/1) ... [2022-10-16 15:10:56,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:10:56" (1/1) ... [2022-10-16 15:10:56,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:10:56" (1/1) ... [2022-10-16 15:10:56,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:10:56" (1/1) ... [2022-10-16 15:10:56,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:10:56" (1/1) ... [2022-10-16 15:10:56,979 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:10:56" (1/1) ... [2022-10-16 15:10:56,983 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:10:56" (1/1) ... [2022-10-16 15:10:56,986 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:10:56" (1/1) ... [2022-10-16 15:10:56,992 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:10:56,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:10:56,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:10:56,993 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:10:56,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:10:56" (1/1) ... [2022-10-16 15:10:57,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:10:57,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:10:57,071 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 15:10:57,091 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 15:10:57,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:10:57,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:10:57,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:10:57,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:10:57,235 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:10:57,237 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:10:57,925 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:10:57,935 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:10:57,935 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 15:10:57,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:10:57 BoogieIcfgContainer [2022-10-16 15:10:57,938 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:10:57,941 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:10:57,941 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:10:57,945 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:10:57,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:10:56" (1/3) ... [2022-10-16 15:10:57,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34694d4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:10:57, skipping insertion in model container [2022-10-16 15:10:57,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:10:56" (2/3) ... [2022-10-16 15:10:57,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34694d4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:10:57, skipping insertion in model container [2022-10-16 15:10:57,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:10:57" (3/3) ... [2022-10-16 15:10:57,949 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c [2022-10-16 15:10:57,980 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:10:57,981 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2022-10-16 15:10:58,082 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:10:58,099 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;@782395bd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:10:58,099 INFO L358 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-10-16 15:10:58,111 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 116 states have (on average 1.7413793103448276) internal successors, (202), 136 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:58,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 15:10:58,119 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:58,121 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 15:10:58,122 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:10:58,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:58,131 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-16 15:10:58,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:58,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613014156] [2022-10-16 15:10:58,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:58,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:58,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:58,348 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 15:10:58,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:58,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613014156] [2022-10-16 15:10:58,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613014156] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:58,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:58,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 15:10:58,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992611813] [2022-10-16 15:10:58,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:58,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 15:10:58,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:58,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 15:10:58,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:10:58,405 INFO L87 Difference]: Start difference. First operand has 137 states, 116 states have (on average 1.7413793103448276) internal successors, (202), 136 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) 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 15:10:58,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:58,467 INFO L93 Difference]: Finished difference Result 227 states and 335 transitions. [2022-10-16 15:10:58,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 15:10:58,469 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 15:10:58,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:58,484 INFO L225 Difference]: With dead ends: 227 [2022-10-16 15:10:58,485 INFO L226 Difference]: Without dead ends: 124 [2022-10-16 15:10:58,490 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 15:10:58,496 INFO L413 NwaCegarLoop]: 187 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, 187 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 15:10:58,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:10:58,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2022-10-16 15:10:58,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2022-10-16 15:10:58,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 112 states have (on average 1.6607142857142858) internal successors, (186), 123 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:58,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 186 transitions. [2022-10-16 15:10:58,575 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 186 transitions. Word has length 4 [2022-10-16 15:10:58,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:58,578 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 186 transitions. [2022-10-16 15:10:58,579 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 15:10:58,579 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 186 transitions. [2022-10-16 15:10:58,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-16 15:10:58,587 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:58,587 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] [2022-10-16 15:10:58,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:10:58,588 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:10:58,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:58,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1914289975, now seen corresponding path program 1 times [2022-10-16 15:10:58,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:58,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938454244] [2022-10-16 15:10:58,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:58,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:58,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:58,887 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 15:10:58,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:58,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938454244] [2022-10-16 15:10:58,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938454244] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:58,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:58,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:10:58,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923575250] [2022-10-16 15:10:58,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:58,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:10:58,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:58,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:10:58,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:10:58,893 INFO L87 Difference]: Start difference. First operand 124 states and 186 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:58,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:58,975 INFO L93 Difference]: Finished difference Result 216 states and 316 transitions. [2022-10-16 15:10:58,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:10:58,976 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2022-10-16 15:10:58,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:58,978 INFO L225 Difference]: With dead ends: 216 [2022-10-16 15:10:58,978 INFO L226 Difference]: Without dead ends: 124 [2022-10-16 15:10:58,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:10:58,981 INFO L413 NwaCegarLoop]: 184 mSDtfsCounter, 3 mSDsluCounter, 525 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 709 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:58,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 709 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:10:58,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2022-10-16 15:10:58,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2022-10-16 15:10:58,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 112 states have (on average 1.4464285714285714) internal successors, (162), 123 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:58,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 162 transitions. [2022-10-16 15:10:58,994 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 162 transitions. Word has length 25 [2022-10-16 15:10:58,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:58,995 INFO L495 AbstractCegarLoop]: Abstraction has 124 states and 162 transitions. [2022-10-16 15:10:58,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:58,995 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 162 transitions. [2022-10-16 15:10:58,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-16 15:10:58,998 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:58,998 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] [2022-10-16 15:10:58,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:10:58,999 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:10:58,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:58,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1502324790, now seen corresponding path program 1 times [2022-10-16 15:10:59,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:59,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882138130] [2022-10-16 15:10:59,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:59,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:59,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:59,158 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 15:10:59,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:59,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882138130] [2022-10-16 15:10:59,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882138130] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:59,160 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:59,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:10:59,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474720345] [2022-10-16 15:10:59,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:59,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:10:59,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:59,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:10:59,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:10:59,163 INFO L87 Difference]: Start difference. First operand 124 states and 162 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:59,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:59,215 INFO L93 Difference]: Finished difference Result 288 states and 394 transitions. [2022-10-16 15:10:59,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:10:59,216 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 54 [2022-10-16 15:10:59,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:59,219 INFO L225 Difference]: With dead ends: 288 [2022-10-16 15:10:59,219 INFO L226 Difference]: Without dead ends: 200 [2022-10-16 15:10:59,220 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 15:10:59,222 INFO L413 NwaCegarLoop]: 242 mSDtfsCounter, 110 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:59,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 369 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:10:59,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2022-10-16 15:10:59,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 188. [2022-10-16 15:10:59,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 176 states have (on average 1.5170454545454546) internal successors, (267), 187 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:59,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 267 transitions. [2022-10-16 15:10:59,243 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 267 transitions. Word has length 54 [2022-10-16 15:10:59,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:59,244 INFO L495 AbstractCegarLoop]: Abstraction has 188 states and 267 transitions. [2022-10-16 15:10:59,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:59,244 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 267 transitions. [2022-10-16 15:10:59,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-16 15:10:59,247 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:59,247 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] [2022-10-16 15:10:59,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:10:59,248 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:10:59,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:59,248 INFO L85 PathProgramCache]: Analyzing trace with hash 829614184, now seen corresponding path program 1 times [2022-10-16 15:10:59,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:59,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [278641641] [2022-10-16 15:10:59,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:59,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:59,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:59,435 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 15:10:59,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:59,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [278641641] [2022-10-16 15:10:59,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [278641641] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:59,437 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:59,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:10:59,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998425471] [2022-10-16 15:10:59,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:59,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:10:59,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:59,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:10:59,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:10:59,440 INFO L87 Difference]: Start difference. First operand 188 states and 267 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:59,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:59,473 INFO L93 Difference]: Finished difference Result 468 states and 689 transitions. [2022-10-16 15:10:59,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:10:59,474 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2022-10-16 15:10:59,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:59,482 INFO L225 Difference]: With dead ends: 468 [2022-10-16 15:10:59,482 INFO L226 Difference]: Without dead ends: 316 [2022-10-16 15:10:59,483 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 15:10:59,487 INFO L413 NwaCegarLoop]: 229 mSDtfsCounter, 105 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:59,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 360 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:10:59,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2022-10-16 15:10:59,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 304. [2022-10-16 15:10:59,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 292 states have (on average 1.5616438356164384) internal successors, (456), 303 states have internal predecessors, (456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:59,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 456 transitions. [2022-10-16 15:10:59,534 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 456 transitions. Word has length 55 [2022-10-16 15:10:59,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:59,535 INFO L495 AbstractCegarLoop]: Abstraction has 304 states and 456 transitions. [2022-10-16 15:10:59,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:59,535 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 456 transitions. [2022-10-16 15:10:59,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-16 15:10:59,537 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:59,537 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:10:59,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:10:59,538 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:10:59,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:59,539 INFO L85 PathProgramCache]: Analyzing trace with hash -126057446, now seen corresponding path program 1 times [2022-10-16 15:10:59,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:59,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890943752] [2022-10-16 15:10:59,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:59,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:59,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:59,635 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 15:10:59,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:59,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890943752] [2022-10-16 15:10:59,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890943752] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:59,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:59,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:10:59,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489824497] [2022-10-16 15:10:59,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:59,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:10:59,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:59,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:10:59,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:10:59,638 INFO L87 Difference]: Start difference. First operand 304 states and 456 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:59,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:10:59,681 INFO L93 Difference]: Finished difference Result 792 states and 1216 transitions. [2022-10-16 15:10:59,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:10:59,682 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2022-10-16 15:10:59,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:10:59,686 INFO L225 Difference]: With dead ends: 792 [2022-10-16 15:10:59,686 INFO L226 Difference]: Without dead ends: 524 [2022-10-16 15:10:59,688 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 15:10:59,690 INFO L413 NwaCegarLoop]: 216 mSDtfsCounter, 100 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:10:59,691 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 351 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:10:59,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2022-10-16 15:10:59,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 512. [2022-10-16 15:10:59,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 500 states have (on average 1.584) internal successors, (792), 511 states have internal predecessors, (792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:59,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 792 transitions. [2022-10-16 15:10:59,726 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 792 transitions. Word has length 56 [2022-10-16 15:10:59,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:10:59,726 INFO L495 AbstractCegarLoop]: Abstraction has 512 states and 792 transitions. [2022-10-16 15:10:59,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:10:59,727 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 792 transitions. [2022-10-16 15:10:59,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-16 15:10:59,729 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:10:59,729 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] [2022-10-16 15:10:59,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:10:59,729 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:10:59,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:10:59,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1147092792, now seen corresponding path program 1 times [2022-10-16 15:10:59,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:10:59,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822695978] [2022-10-16 15:10:59,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:10:59,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:10:59,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:10:59,839 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 15:10:59,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:10:59,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822695978] [2022-10-16 15:10:59,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822695978] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:10:59,840 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:10:59,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:10:59,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743855022] [2022-10-16 15:10:59,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:10:59,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:10:59,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:10:59,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:10:59,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:10:59,843 INFO L87 Difference]: Start difference. First operand 512 states and 792 transitions. Second operand has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:00,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:00,024 INFO L93 Difference]: Finished difference Result 1462 states and 2304 transitions. [2022-10-16 15:11:00,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:11:00,025 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57 [2022-10-16 15:11:00,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:00,034 INFO L225 Difference]: With dead ends: 1462 [2022-10-16 15:11:00,035 INFO L226 Difference]: Without dead ends: 1460 [2022-10-16 15:11:00,036 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 15:11:00,038 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 371 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:00,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [371 Valid, 425 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:11:00,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1460 states. [2022-10-16 15:11:00,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1460 to 976. [2022-10-16 15:11:00,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 976 states, 964 states have (on average 1.5892116182572613) internal successors, (1532), 975 states have internal predecessors, (1532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:00,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 976 states and 1532 transitions. [2022-10-16 15:11:00,128 INFO L78 Accepts]: Start accepts. Automaton has 976 states and 1532 transitions. Word has length 57 [2022-10-16 15:11:00,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:00,129 INFO L495 AbstractCegarLoop]: Abstraction has 976 states and 1532 transitions. [2022-10-16 15:11:00,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.0) internal successors, (57), 4 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:00,130 INFO L276 IsEmpty]: Start isEmpty. Operand 976 states and 1532 transitions. [2022-10-16 15:11:00,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-16 15:11:00,131 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:00,131 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] [2022-10-16 15:11:00,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:11:00,132 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:11:00,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:00,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1200138625, now seen corresponding path program 1 times [2022-10-16 15:11:00,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:00,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269268012] [2022-10-16 15:11:00,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:00,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:00,238 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 15:11:00,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:00,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269268012] [2022-10-16 15:11:00,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269268012] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:00,240 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:00,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:11:00,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273092150] [2022-10-16 15:11:00,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:00,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:11:00,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:00,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:11:00,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:11:00,242 INFO L87 Difference]: Start difference. First operand 976 states and 1532 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:00,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:00,391 INFO L93 Difference]: Finished difference Result 1450 states and 2288 transitions. [2022-10-16 15:11:00,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:11:00,392 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-10-16 15:11:00,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:00,400 INFO L225 Difference]: With dead ends: 1450 [2022-10-16 15:11:00,400 INFO L226 Difference]: Without dead ends: 1448 [2022-10-16 15:11:00,401 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 15:11:00,403 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 366 mSDsluCounter, 117 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:00,403 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [366 Valid, 251 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:11:00,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1448 states. [2022-10-16 15:11:00,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1448 to 1440. [2022-10-16 15:11:00,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1440 states, 1428 states have (on average 1.5798319327731092) internal successors, (2256), 1439 states have internal predecessors, (2256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:00,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1440 states to 1440 states and 2256 transitions. [2022-10-16 15:11:00,488 INFO L78 Accepts]: Start accepts. Automaton has 1440 states and 2256 transitions. Word has length 58 [2022-10-16 15:11:00,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:00,492 INFO L495 AbstractCegarLoop]: Abstraction has 1440 states and 2256 transitions. [2022-10-16 15:11:00,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:00,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 2256 transitions. [2022-10-16 15:11:00,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-16 15:11:00,495 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:00,496 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 15:11:00,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:11:00,496 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:11:00,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:00,498 INFO L85 PathProgramCache]: Analyzing trace with hash -1450407846, now seen corresponding path program 1 times [2022-10-16 15:11:00,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:00,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [98540331] [2022-10-16 15:11:00,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:00,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:00,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:00,682 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 15:11:00,683 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:00,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [98540331] [2022-10-16 15:11:00,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [98540331] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:00,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:00,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:11:00,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966651736] [2022-10-16 15:11:00,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:00,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:11:00,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:00,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:11:00,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:11:00,688 INFO L87 Difference]: Start difference. First operand 1440 states and 2256 transitions. Second operand has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 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 15:11:00,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:00,995 INFO L93 Difference]: Finished difference Result 2392 states and 3720 transitions. [2022-10-16 15:11:00,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 15:11:00,996 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 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 15:11:00,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:01,009 INFO L225 Difference]: With dead ends: 2392 [2022-10-16 15:11:01,009 INFO L226 Difference]: Without dead ends: 2390 [2022-10-16 15:11:01,010 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 15:11:01,011 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 711 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 711 SdHoareTripleChecker+Valid, 636 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:01,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [711 Valid, 636 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:11:01,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2390 states. [2022-10-16 15:11:01,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2390 to 1904. [2022-10-16 15:11:01,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1904 states, 1892 states have (on average 1.5665961945031712) internal successors, (2964), 1903 states have internal predecessors, (2964), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:01,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1904 states to 1904 states and 2964 transitions. [2022-10-16 15:11:01,119 INFO L78 Accepts]: Start accepts. Automaton has 1904 states and 2964 transitions. Word has length 59 [2022-10-16 15:11:01,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:01,120 INFO L495 AbstractCegarLoop]: Abstraction has 1904 states and 2964 transitions. [2022-10-16 15:11:01,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 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 15:11:01,120 INFO L276 IsEmpty]: Start isEmpty. Operand 1904 states and 2964 transitions. [2022-10-16 15:11:01,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 15:11:01,121 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:01,121 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 15:11:01,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:11:01,122 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:11:01,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:01,123 INFO L85 PathProgramCache]: Analyzing trace with hash -2012969821, now seen corresponding path program 1 times [2022-10-16 15:11:01,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:01,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255188261] [2022-10-16 15:11:01,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:01,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:01,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:01,221 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 15:11:01,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:01,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255188261] [2022-10-16 15:11:01,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255188261] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:01,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:01,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:11:01,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744986075] [2022-10-16 15:11:01,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:01,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:11:01,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:01,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:11:01,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:11:01,224 INFO L87 Difference]: Start difference. First operand 1904 states and 2964 transitions. Second operand has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 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 15:11:01,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:01,517 INFO L93 Difference]: Finished difference Result 2384 states and 3704 transitions. [2022-10-16 15:11:01,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:11:01,518 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 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 15:11:01,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:01,531 INFO L225 Difference]: With dead ends: 2384 [2022-10-16 15:11:01,531 INFO L226 Difference]: Without dead ends: 2382 [2022-10-16 15:11:01,532 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 15:11:01,533 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 633 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 633 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:01,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [633 Valid, 436 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:11:01,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2382 states. [2022-10-16 15:11:01,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2382 to 2368. [2022-10-16 15:11:01,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2368 states, 2356 states have (on average 1.5517826825127334) internal successors, (3656), 2367 states have internal predecessors, (3656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:01,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2368 states to 2368 states and 3656 transitions. [2022-10-16 15:11:01,688 INFO L78 Accepts]: Start accepts. Automaton has 2368 states and 3656 transitions. Word has length 60 [2022-10-16 15:11:01,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:01,689 INFO L495 AbstractCegarLoop]: Abstraction has 2368 states and 3656 transitions. [2022-10-16 15:11:01,689 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.0) internal successors, (60), 5 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 15:11:01,689 INFO L276 IsEmpty]: Start isEmpty. Operand 2368 states and 3656 transitions. [2022-10-16 15:11:01,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-16 15:11:01,690 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:01,690 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 15:11:01,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:11:01,691 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:11:01,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:01,692 INFO L85 PathProgramCache]: Analyzing trace with hash 2022445436, now seen corresponding path program 1 times [2022-10-16 15:11:01,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:01,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133673111] [2022-10-16 15:11:01,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:01,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:01,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:01,808 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 15:11:01,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:01,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133673111] [2022-10-16 15:11:01,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133673111] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:01,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:01,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:11:01,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146728705] [2022-10-16 15:11:01,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:01,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:11:01,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:01,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:11:01,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:11:01,812 INFO L87 Difference]: Start difference. First operand 2368 states and 3656 transitions. Second operand has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 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 15:11:02,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:02,243 INFO L93 Difference]: Finished difference Result 6112 states and 9432 transitions. [2022-10-16 15:11:02,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 15:11:02,244 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 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 15:11:02,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:02,263 INFO L225 Difference]: With dead ends: 6112 [2022-10-16 15:11:02,263 INFO L226 Difference]: Without dead ends: 3780 [2022-10-16 15:11:02,267 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 15:11:02,268 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 934 mSDsluCounter, 791 mSDsCounter, 0 mSdLazyCounter, 248 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 934 SdHoareTripleChecker+Valid, 937 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:02,268 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [934 Valid, 937 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 248 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:11:02,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3780 states. [2022-10-16 15:11:02,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3780 to 2832. [2022-10-16 15:11:02,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2832 states, 2820 states have (on average 1.5304964539007093) internal successors, (4316), 2831 states have internal predecessors, (4316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:02,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2832 states to 2832 states and 4316 transitions. [2022-10-16 15:11:02,441 INFO L78 Accepts]: Start accepts. Automaton has 2832 states and 4316 transitions. Word has length 61 [2022-10-16 15:11:02,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:02,442 INFO L495 AbstractCegarLoop]: Abstraction has 2832 states and 4316 transitions. [2022-10-16 15:11:02,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 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 15:11:02,442 INFO L276 IsEmpty]: Start isEmpty. Operand 2832 states and 4316 transitions. [2022-10-16 15:11:02,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-16 15:11:02,443 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:02,443 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] [2022-10-16 15:11:02,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:11:02,444 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:11:02,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:02,444 INFO L85 PathProgramCache]: Analyzing trace with hash -1728700475, now seen corresponding path program 1 times [2022-10-16 15:11:02,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:02,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574394040] [2022-10-16 15:11:02,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:02,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:02,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:02,551 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 15:11:02,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:02,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574394040] [2022-10-16 15:11:02,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574394040] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:02,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:02,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:11:02,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064866035] [2022-10-16 15:11:02,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:02,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:11:02,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:02,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:11:02,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:11:02,554 INFO L87 Difference]: Start difference. First operand 2832 states and 4316 transitions. Second operand has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 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 15:11:03,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:03,086 INFO L93 Difference]: Finished difference Result 4718 states and 7244 transitions. [2022-10-16 15:11:03,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 15:11:03,087 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 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 15:11:03,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:03,114 INFO L225 Difference]: With dead ends: 4718 [2022-10-16 15:11:03,115 INFO L226 Difference]: Without dead ends: 4716 [2022-10-16 15:11:03,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-10-16 15:11:03,119 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 1144 mSDsluCounter, 666 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1144 SdHoareTripleChecker+Valid, 800 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:03,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1144 Valid, 800 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:11:03,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4716 states. [2022-10-16 15:11:03,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4716 to 4688. [2022-10-16 15:11:03,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4688 states, 4676 states have (on average 1.5286569717707443) internal successors, (7148), 4687 states have internal predecessors, (7148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:03,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4688 states to 4688 states and 7148 transitions. [2022-10-16 15:11:03,415 INFO L78 Accepts]: Start accepts. Automaton has 4688 states and 7148 transitions. Word has length 62 [2022-10-16 15:11:03,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:03,415 INFO L495 AbstractCegarLoop]: Abstraction has 4688 states and 7148 transitions. [2022-10-16 15:11:03,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 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 15:11:03,416 INFO L276 IsEmpty]: Start isEmpty. Operand 4688 states and 7148 transitions. [2022-10-16 15:11:03,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 15:11:03,416 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:03,417 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 15:11:03,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:11:03,417 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:11:03,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:03,418 INFO L85 PathProgramCache]: Analyzing trace with hash -336569401, now seen corresponding path program 1 times [2022-10-16 15:11:03,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:03,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773910204] [2022-10-16 15:11:03,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:03,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:03,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:03,483 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 15:11:03,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:03,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773910204] [2022-10-16 15:11:03,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773910204] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:03,484 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:03,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:11:03,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968602224] [2022-10-16 15:11:03,485 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:03,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:11:03,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:03,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:11:03,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:11:03,486 INFO L87 Difference]: Start difference. First operand 4688 states and 7148 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 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 15:11:03,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:03,926 INFO L93 Difference]: Finished difference Result 13032 states and 19852 transitions. [2022-10-16 15:11:03,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:11:03,926 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 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 15:11:03,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:03,984 INFO L225 Difference]: With dead ends: 13032 [2022-10-16 15:11:03,984 INFO L226 Difference]: Without dead ends: 8380 [2022-10-16 15:11:03,991 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 15:11:03,992 INFO L413 NwaCegarLoop]: 263 mSDtfsCounter, 110 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:03,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 391 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:11:04,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8380 states. [2022-10-16 15:11:04,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8380 to 8368. [2022-10-16 15:11:04,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8368 states, 8356 states have (on average 1.5150789851603639) internal successors, (12660), 8367 states have internal predecessors, (12660), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:04,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8368 states to 8368 states and 12660 transitions. [2022-10-16 15:11:04,555 INFO L78 Accepts]: Start accepts. Automaton has 8368 states and 12660 transitions. Word has length 63 [2022-10-16 15:11:04,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:04,556 INFO L495 AbstractCegarLoop]: Abstraction has 8368 states and 12660 transitions. [2022-10-16 15:11:04,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 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 15:11:04,556 INFO L276 IsEmpty]: Start isEmpty. Operand 8368 states and 12660 transitions. [2022-10-16 15:11:04,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-10-16 15:11:04,558 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:04,559 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:11:04,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:11:04,560 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:11:04,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:04,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1136456656, now seen corresponding path program 1 times [2022-10-16 15:11:04,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:04,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90953996] [2022-10-16 15:11:04,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:04,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:04,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:04,637 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:11:04,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:04,637 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90953996] [2022-10-16 15:11:04,637 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90953996] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:04,637 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:04,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:11:04,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922655645] [2022-10-16 15:11:04,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:04,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:11:04,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:04,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:11:04,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:11:04,640 INFO L87 Difference]: Start difference. First operand 8368 states and 12660 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:05,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:05,580 INFO L93 Difference]: Finished difference Result 24472 states and 36948 transitions. [2022-10-16 15:11:05,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:11:05,581 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89 [2022-10-16 15:11:05,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:05,626 INFO L225 Difference]: With dead ends: 24472 [2022-10-16 15:11:05,626 INFO L226 Difference]: Without dead ends: 16140 [2022-10-16 15:11:05,642 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 15:11:05,643 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 84 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:05,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 325 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:11:05,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16140 states. [2022-10-16 15:11:06,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16140 to 16128. [2022-10-16 15:11:06,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16128 states, 16116 states have (on average 1.499379498634897) internal successors, (24164), 16127 states have internal predecessors, (24164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:06,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16128 states to 16128 states and 24164 transitions. [2022-10-16 15:11:06,777 INFO L78 Accepts]: Start accepts. Automaton has 16128 states and 24164 transitions. Word has length 89 [2022-10-16 15:11:06,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:06,778 INFO L495 AbstractCegarLoop]: Abstraction has 16128 states and 24164 transitions. [2022-10-16 15:11:06,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:06,779 INFO L276 IsEmpty]: Start isEmpty. Operand 16128 states and 24164 transitions. [2022-10-16 15:11:06,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-10-16 15:11:06,782 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:06,783 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:11:06,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:11:06,784 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:11:06,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:06,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1085592733, now seen corresponding path program 1 times [2022-10-16 15:11:06,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:06,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97641557] [2022-10-16 15:11:06,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:06,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:06,932 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 15:11:06,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:06,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97641557] [2022-10-16 15:11:06,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97641557] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:06,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:06,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:11:06,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818679240] [2022-10-16 15:11:06,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:06,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:11:06,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:06,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:11:06,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:11:06,936 INFO L87 Difference]: Start difference. First operand 16128 states and 24164 transitions. Second operand has 4 states, 3 states have (on average 28.333333333333332) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:08,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:08,181 INFO L93 Difference]: Finished difference Result 22576 states and 34020 transitions. [2022-10-16 15:11:08,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:11:08,182 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 28.333333333333332) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 90 [2022-10-16 15:11:08,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:08,327 INFO L225 Difference]: With dead ends: 22576 [2022-10-16 15:11:08,327 INFO L226 Difference]: Without dead ends: 22574 [2022-10-16 15:11:08,334 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 15:11:08,335 INFO L413 NwaCegarLoop]: 236 mSDtfsCounter, 194 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:08,335 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 461 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:11:08,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22574 states. [2022-10-16 15:11:09,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22574 to 19344. [2022-10-16 15:11:09,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19344 states, 19332 states have (on average 1.5015518311607696) internal successors, (29028), 19343 states have internal predecessors, (29028), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:09,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19344 states to 19344 states and 29028 transitions. [2022-10-16 15:11:09,491 INFO L78 Accepts]: Start accepts. Automaton has 19344 states and 29028 transitions. Word has length 90 [2022-10-16 15:11:09,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:09,492 INFO L495 AbstractCegarLoop]: Abstraction has 19344 states and 29028 transitions. [2022-10-16 15:11:09,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 28.333333333333332) internal successors, (85), 4 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:09,492 INFO L276 IsEmpty]: Start isEmpty. Operand 19344 states and 29028 transitions. [2022-10-16 15:11:09,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-10-16 15:11:09,495 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:09,496 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:11:09,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:11:09,496 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:11:09,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:09,497 INFO L85 PathProgramCache]: Analyzing trace with hash 1444535266, now seen corresponding path program 1 times [2022-10-16 15:11:09,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:09,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305031260] [2022-10-16 15:11:09,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:09,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:09,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:09,586 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:11:09,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:09,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305031260] [2022-10-16 15:11:09,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305031260] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:09,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:09,587 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:11:09,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41834961] [2022-10-16 15:11:09,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:09,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:11:09,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:09,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:11:09,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:11:09,589 INFO L87 Difference]: Start difference. First operand 19344 states and 29028 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 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 15:11:11,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:11,313 INFO L93 Difference]: Finished difference Result 56616 states and 84708 transitions. [2022-10-16 15:11:11,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:11:11,313 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 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 15:11:11,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:11,420 INFO L225 Difference]: With dead ends: 56616 [2022-10-16 15:11:11,421 INFO L226 Difference]: Without dead ends: 37308 [2022-10-16 15:11:11,460 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 15:11:11,462 INFO L413 NwaCegarLoop]: 188 mSDtfsCounter, 85 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:11,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 338 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:11:11,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37308 states. [2022-10-16 15:11:13,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37308 to 37296. [2022-10-16 15:11:13,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37296 states, 37284 states have (on average 1.484068233022208) internal successors, (55332), 37295 states have internal predecessors, (55332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:13,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37296 states to 37296 states and 55332 transitions. [2022-10-16 15:11:13,607 INFO L78 Accepts]: Start accepts. Automaton has 37296 states and 55332 transitions. Word has length 91 [2022-10-16 15:11:13,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:13,608 INFO L495 AbstractCegarLoop]: Abstraction has 37296 states and 55332 transitions. [2022-10-16 15:11:13,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 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 15:11:13,608 INFO L276 IsEmpty]: Start isEmpty. Operand 37296 states and 55332 transitions. [2022-10-16 15:11:13,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 15:11:13,613 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:13,614 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:11:13,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:11:13,614 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:11:13,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:13,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1337572183, now seen corresponding path program 1 times [2022-10-16 15:11:13,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:13,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090516765] [2022-10-16 15:11:13,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:13,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:13,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:13,929 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 15:11:13,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:13,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090516765] [2022-10-16 15:11:13,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090516765] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:13,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:13,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:11:13,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778578054] [2022-10-16 15:11:13,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:13,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:11:13,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:13,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:11:13,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:11:13,936 INFO L87 Difference]: Start difference. First operand 37296 states and 55332 transitions. Second operand has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:15,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:15,853 INFO L93 Difference]: Finished difference Result 43520 states and 64356 transitions. [2022-10-16 15:11:15,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:11:15,854 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2022-10-16 15:11:15,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:15,965 INFO L225 Difference]: With dead ends: 43520 [2022-10-16 15:11:15,965 INFO L226 Difference]: Without dead ends: 43518 [2022-10-16 15:11:15,982 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 15:11:15,984 INFO L413 NwaCegarLoop]: 236 mSDtfsCounter, 442 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 442 SdHoareTripleChecker+Valid, 586 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:15,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [442 Valid, 586 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:11:16,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43518 states. [2022-10-16 15:11:17,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43518 to 40400. [2022-10-16 15:11:17,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40400 states, 40388 states have (on average 1.4801426166187976) internal successors, (59780), 40399 states have internal predecessors, (59780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:18,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40400 states to 40400 states and 59780 transitions. [2022-10-16 15:11:18,057 INFO L78 Accepts]: Start accepts. Automaton has 40400 states and 59780 transitions. Word has length 92 [2022-10-16 15:11:18,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:18,058 INFO L495 AbstractCegarLoop]: Abstraction has 40400 states and 59780 transitions. [2022-10-16 15:11:18,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:18,058 INFO L276 IsEmpty]: Start isEmpty. Operand 40400 states and 59780 transitions. [2022-10-16 15:11:18,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 15:11:18,075 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:18,075 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:11:18,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:11:18,077 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:11:18,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:18,078 INFO L85 PathProgramCache]: Analyzing trace with hash 2043330903, now seen corresponding path program 1 times [2022-10-16 15:11:18,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:18,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546678683] [2022-10-16 15:11:18,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:18,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:18,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:18,201 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:11:18,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:18,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546678683] [2022-10-16 15:11:18,202 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546678683] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:18,202 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:18,202 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:11:18,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541265917] [2022-10-16 15:11:18,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:18,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:11:18,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:18,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:11:18,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:11:18,204 INFO L87 Difference]: Start difference. First operand 40400 states and 59780 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 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 15:11:20,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:20,345 INFO L93 Difference]: Finished difference Result 90290 states and 133078 transitions. [2022-10-16 15:11:20,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:11:20,345 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 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 92 [2022-10-16 15:11:20,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:20,481 INFO L225 Difference]: With dead ends: 90290 [2022-10-16 15:11:20,481 INFO L226 Difference]: Without dead ends: 49926 [2022-10-16 15:11:20,558 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 15:11:20,559 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 65 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:20,559 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 280 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:11:20,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49926 states. [2022-10-16 15:11:23,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49926 to 49474. [2022-10-16 15:11:23,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49474 states, 49462 states have (on average 1.4645182160042052) internal successors, (72438), 49473 states have internal predecessors, (72438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:23,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49474 states to 49474 states and 72438 transitions. [2022-10-16 15:11:23,281 INFO L78 Accepts]: Start accepts. Automaton has 49474 states and 72438 transitions. Word has length 92 [2022-10-16 15:11:23,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:23,282 INFO L495 AbstractCegarLoop]: Abstraction has 49474 states and 72438 transitions. [2022-10-16 15:11:23,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 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 15:11:23,282 INFO L276 IsEmpty]: Start isEmpty. Operand 49474 states and 72438 transitions. [2022-10-16 15:11:23,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 15:11:23,288 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:23,289 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:11:23,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 15:11:23,289 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:11:23,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:23,290 INFO L85 PathProgramCache]: Analyzing trace with hash -2032781675, now seen corresponding path program 1 times [2022-10-16 15:11:23,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:23,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137587852] [2022-10-16 15:11:23,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:23,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:23,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:23,602 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:11:23,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:23,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137587852] [2022-10-16 15:11:23,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137587852] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:23,603 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:23,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:11:23,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636431054] [2022-10-16 15:11:23,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:23,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:11:23,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:23,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:11:23,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:11:23,605 INFO L87 Difference]: Start difference. First operand 49474 states and 72438 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 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 15:11:27,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:27,590 INFO L93 Difference]: Finished difference Result 146234 states and 213654 transitions. [2022-10-16 15:11:27,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:11:27,591 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 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 15:11:27,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:27,798 INFO L225 Difference]: With dead ends: 146234 [2022-10-16 15:11:27,798 INFO L226 Difference]: Without dead ends: 96798 [2022-10-16 15:11:27,868 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 15:11:27,869 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 81 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:27,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 322 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:11:28,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96798 states. [2022-10-16 15:11:32,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96798 to 96786. [2022-10-16 15:11:32,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96786 states, 96774 states have (on average 1.448715564097795) internal successors, (140198), 96785 states have internal predecessors, (140198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:33,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96786 states to 96786 states and 140198 transitions. [2022-10-16 15:11:33,303 INFO L78 Accepts]: Start accepts. Automaton has 96786 states and 140198 transitions. Word has length 92 [2022-10-16 15:11:33,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:33,303 INFO L495 AbstractCegarLoop]: Abstraction has 96786 states and 140198 transitions. [2022-10-16 15:11:33,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 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 15:11:33,304 INFO L276 IsEmpty]: Start isEmpty. Operand 96786 states and 140198 transitions. [2022-10-16 15:11:33,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-16 15:11:33,316 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:33,316 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:11:33,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 15:11:33,317 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:11:33,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:33,318 INFO L85 PathProgramCache]: Analyzing trace with hash -422422401, now seen corresponding path program 1 times [2022-10-16 15:11:33,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:33,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028280235] [2022-10-16 15:11:33,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:33,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:33,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:33,466 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 15:11:33,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:33,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028280235] [2022-10-16 15:11:33,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028280235] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:33,467 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:33,467 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:11:33,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42707620] [2022-10-16 15:11:33,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:33,468 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:11:33,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:33,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:11:33,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:11:33,469 INFO L87 Difference]: Start difference. First operand 96786 states and 140198 transitions. Second operand has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:39,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:39,067 INFO L93 Difference]: Finished difference Result 122628 states and 177126 transitions. [2022-10-16 15:11:39,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:11:39,068 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2022-10-16 15:11:39,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:39,285 INFO L225 Difference]: With dead ends: 122628 [2022-10-16 15:11:39,285 INFO L226 Difference]: Without dead ends: 122626 [2022-10-16 15:11:39,317 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 15:11:39,318 INFO L413 NwaCegarLoop]: 237 mSDtfsCounter, 437 mSDsluCounter, 389 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 626 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:39,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [437 Valid, 626 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:11:39,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122626 states. [2022-10-16 15:11:45,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122626 to 118330. [2022-10-16 15:11:45,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118330 states, 118318 states have (on average 1.4426714447505875) internal successors, (170694), 118329 states have internal predecessors, (170694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:45,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118330 states to 118330 states and 170694 transitions. [2022-10-16 15:11:45,761 INFO L78 Accepts]: Start accepts. Automaton has 118330 states and 170694 transitions. Word has length 92 [2022-10-16 15:11:45,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:45,763 INFO L495 AbstractCegarLoop]: Abstraction has 118330 states and 170694 transitions. [2022-10-16 15:11:45,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.75) internal successors, (87), 5 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:45,763 INFO L276 IsEmpty]: Start isEmpty. Operand 118330 states and 170694 transitions. [2022-10-16 15:11:45,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 15:11:45,772 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:45,772 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:11:45,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 15:11:45,773 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:11:45,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:45,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1351314324, now seen corresponding path program 1 times [2022-10-16 15:11:45,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:45,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818567387] [2022-10-16 15:11:45,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:45,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:45,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:45,845 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:11:45,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:45,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818567387] [2022-10-16 15:11:45,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818567387] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:45,846 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:45,846 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:11:45,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140847311] [2022-10-16 15:11:45,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:45,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:11:45,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:45,847 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:11:45,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:11:45,848 INFO L87 Difference]: Start difference. First operand 118330 states and 170694 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:56,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:56,876 INFO L93 Difference]: Finished difference Result 345842 states and 496454 transitions. [2022-10-16 15:11:56,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:11:56,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2022-10-16 15:11:56,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:57,530 INFO L225 Difference]: With dead ends: 345842 [2022-10-16 15:11:57,531 INFO L226 Difference]: Without dead ends: 226558 [2022-10-16 15:11:57,673 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 15:11:57,674 INFO L413 NwaCegarLoop]: 197 mSDtfsCounter, 86 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 347 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:57,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 347 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:11:57,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226558 states. [2022-10-16 15:12:09,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226558 to 226546. [2022-10-16 15:12:09,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226546 states, 226534 states have (on average 1.4210935223851606) internal successors, (321926), 226545 states have internal predecessors, (321926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:12:10,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226546 states to 226546 states and 321926 transitions. [2022-10-16 15:12:10,755 INFO L78 Accepts]: Start accepts. Automaton has 226546 states and 321926 transitions. Word has length 93 [2022-10-16 15:12:10,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:12:10,755 INFO L495 AbstractCegarLoop]: Abstraction has 226546 states and 321926 transitions. [2022-10-16 15:12:10,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:12:10,756 INFO L276 IsEmpty]: Start isEmpty. Operand 226546 states and 321926 transitions. [2022-10-16 15:12:10,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 15:12:10,766 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:12:10,767 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:12:10,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 15:12:10,767 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:12:10,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:12:10,768 INFO L85 PathProgramCache]: Analyzing trace with hash -210192098, now seen corresponding path program 1 times [2022-10-16 15:12:10,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:12:10,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896646022] [2022-10-16 15:12:10,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:12:10,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:12:10,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:12:10,934 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-10-16 15:12:10,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:12:10,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896646022] [2022-10-16 15:12:10,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896646022] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:12:10,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:12:10,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:12:10,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326054468] [2022-10-16 15:12:10,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:12:10,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:12:10,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:12:10,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:12:10,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:12:10,938 INFO L87 Difference]: Start difference. First operand 226546 states and 321926 transitions. Second operand has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:12:24,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:12:24,634 INFO L93 Difference]: Finished difference Result 296840 states and 427526 transitions. [2022-10-16 15:12:24,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:12:24,635 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2022-10-16 15:12:24,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:12:25,221 INFO L225 Difference]: With dead ends: 296840 [2022-10-16 15:12:25,221 INFO L226 Difference]: Without dead ends: 296838 [2022-10-16 15:12:25,311 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 15:12:25,315 INFO L413 NwaCegarLoop]: 232 mSDtfsCounter, 453 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 453 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:12:25,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [453 Valid, 479 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:12:25,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296838 states. [2022-10-16 15:12:38,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296838 to 227530. [2022-10-16 15:12:38,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 227530 states, 227518 states have (on average 1.4250388980212554) internal successors, (324222), 227529 states have internal predecessors, (324222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:12:39,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227530 states to 227530 states and 324222 transitions. [2022-10-16 15:12:39,330 INFO L78 Accepts]: Start accepts. Automaton has 227530 states and 324222 transitions. Word has length 93 [2022-10-16 15:12:39,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:12:39,330 INFO L495 AbstractCegarLoop]: Abstraction has 227530 states and 324222 transitions. [2022-10-16 15:12:39,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.0) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:12:39,330 INFO L276 IsEmpty]: Start isEmpty. Operand 227530 states and 324222 transitions. [2022-10-16 15:12:39,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 15:12:39,341 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:12:39,342 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:12:39,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 15:12:39,342 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:12:39,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:12:39,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1211632117, now seen corresponding path program 1 times [2022-10-16 15:12:39,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:12:39,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599010291] [2022-10-16 15:12:39,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:12:39,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:12:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:12:39,505 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-10-16 15:12:39,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:12:39,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599010291] [2022-10-16 15:12:39,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599010291] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:12:39,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:12:39,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:12:39,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632018340] [2022-10-16 15:12:39,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:12:39,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:12:39,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:12:39,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:12:39,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:12:39,507 INFO L87 Difference]: Start difference. First operand 227530 states and 324222 transitions. Second operand has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:12:54,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:12:54,315 INFO L93 Difference]: Finished difference Result 438570 states and 627206 transitions. [2022-10-16 15:12:54,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 15:12:54,318 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2022-10-16 15:12:54,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:12:54,823 INFO L225 Difference]: With dead ends: 438570 [2022-10-16 15:12:54,823 INFO L226 Difference]: Without dead ends: 261214 [2022-10-16 15:12:55,396 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 15:12:55,397 INFO L413 NwaCegarLoop]: 239 mSDtfsCounter, 731 mSDsluCounter, 553 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 731 SdHoareTripleChecker+Valid, 792 SdHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:12:55,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [731 Valid, 792 Invalid, 192 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:12:55,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261214 states. [2022-10-16 15:13:09,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261214 to 255082. [2022-10-16 15:13:10,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255082 states, 255070 states have (on average 1.4119653428470615) internal successors, (360150), 255081 states have internal predecessors, (360150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:11,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255082 states to 255082 states and 360150 transitions. [2022-10-16 15:13:11,498 INFO L78 Accepts]: Start accepts. Automaton has 255082 states and 360150 transitions. Word has length 94 [2022-10-16 15:13:11,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:13:11,498 INFO L495 AbstractCegarLoop]: Abstraction has 255082 states and 360150 transitions. [2022-10-16 15:13:11,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.6) internal successors, (88), 6 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:11,498 INFO L276 IsEmpty]: Start isEmpty. Operand 255082 states and 360150 transitions. [2022-10-16 15:13:11,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 15:13:11,510 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:13:11,512 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:13:11,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 15:13:11,512 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2022-10-16 15:13:11,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:13:11,513 INFO L85 PathProgramCache]: Analyzing trace with hash -285577919, now seen corresponding path program 1 times [2022-10-16 15:13:11,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:13:11,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102150815] [2022-10-16 15:13:11,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:13:11,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:13:11,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:13:11,661 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-16 15:13:11,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:13:11,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102150815] [2022-10-16 15:13:11,662 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102150815] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:13:11,662 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:13:11,662 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:13:11,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206278796] [2022-10-16 15:13:11,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:13:11,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:13:11,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:13:11,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:13:11,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:13:11,664 INFO L87 Difference]: Start difference. First operand 255082 states and 360150 transitions. Second operand has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)