/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.ufo.BOUNDED-8.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:11:00,406 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:11:00,409 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:11:00,443 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 15:11:00,516 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:11:00,517 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:11:00,518 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:11:00,519 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 15:11:00,560 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:11:00,561 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:11:00,561 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:11:00,561 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:11:00,562 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:11:00,563 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:11:00,563 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:11:00,564 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:11:00,564 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:11:00,564 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:11:00,564 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:11:00,565 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:11:00,565 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:11:00,565 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:11:00,565 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:11:00,566 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:11:00,566 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:11:00,566 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:11:00,566 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:11:00,567 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:11:00,567 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:11:00,567 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:11:00,567 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:11:00,568 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:11:00,568 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:11:00,568 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:11:00,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:11:00,569 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:11:00,569 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:11:00,569 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:11:00,569 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:11:00,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:11:00,570 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:11:00,570 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:11:00,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:11:00,943 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:11:00,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:11:00,948 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:11:00,949 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:11:00,950 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c [2022-10-16 15:11:01,032 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55d79f750/371ed82218514857b2d7bb60b9d88666/FLAG4556151f4 [2022-10-16 15:11:01,693 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:11:01,695 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c [2022-10-16 15:11:01,714 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55d79f750/371ed82218514857b2d7bb60b9d88666/FLAG4556151f4 [2022-10-16 15:11:01,964 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55d79f750/371ed82218514857b2d7bb60b9d88666 [2022-10-16 15:11:01,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:11:01,978 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:11:01,981 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:11:01,981 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:11:01,986 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:11:01,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:11:01" (1/1) ... [2022-10-16 15:11:01,988 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@289f8f47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:11:01, skipping insertion in model container [2022-10-16 15:11:01,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:11:01" (1/1) ... [2022-10-16 15:11:01,999 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:11:02,058 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:11:02,377 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.ufo.BOUNDED-8.pals.c[9392,9405] [2022-10-16 15:11:02,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:11:02,393 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:11:02,445 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.ufo.BOUNDED-8.pals.c[9392,9405] [2022-10-16 15:11:02,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:11:02,467 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:11:02,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:11:02 WrapperNode [2022-10-16 15:11:02,468 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:11:02,474 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:11:02,475 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:11:02,475 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:11:02,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:11:02" (1/1) ... [2022-10-16 15:11:02,494 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:11:02" (1/1) ... [2022-10-16 15:11:02,537 INFO L138 Inliner]: procedures = 22, calls = 14, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 341 [2022-10-16 15:11:02,537 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:11:02,538 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:11:02,538 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:11:02,538 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:11:02,549 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:11:02" (1/1) ... [2022-10-16 15:11:02,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:11:02" (1/1) ... [2022-10-16 15:11:02,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:11:02" (1/1) ... [2022-10-16 15:11:02,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:11:02" (1/1) ... [2022-10-16 15:11:02,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:11:02" (1/1) ... [2022-10-16 15:11:02,573 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:11:02" (1/1) ... [2022-10-16 15:11:02,576 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:11:02" (1/1) ... [2022-10-16 15:11:02,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:11:02" (1/1) ... [2022-10-16 15:11:02,583 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:11:02,584 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:11:02,584 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:11:02,584 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:11:02,585 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:11:02" (1/1) ... [2022-10-16 15:11:02,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:11:02,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:11:02,623 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 15:11:02,633 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 15:11:02,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:11:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:11:02,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:11:02,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:11:02,804 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:11:02,806 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:11:03,535 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:11:03,544 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:11:03,544 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 15:11:03,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:11:03 BoogieIcfgContainer [2022-10-16 15:11:03,547 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:11:03,549 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:11:03,550 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:11:03,553 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:11:03,553 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:11:01" (1/3) ... [2022-10-16 15:11:03,554 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2edd556c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:11:03, skipping insertion in model container [2022-10-16 15:11:03,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:11:02" (2/3) ... [2022-10-16 15:11:03,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2edd556c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:11:03, skipping insertion in model container [2022-10-16 15:11:03,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:11:03" (3/3) ... [2022-10-16 15:11:03,556 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_lcr-var-start-time.4.ufo.BOUNDED-8.pals.c [2022-10-16 15:11:03,577 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:11:03,577 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2022-10-16 15:11:03,638 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:11:03,646 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;@72333527, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:11:03,647 INFO L358 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2022-10-16 15:11:03,660 INFO L276 IsEmpty]: Start isEmpty. Operand has 143 states, 120 states have (on average 1.7416666666666667) internal successors, (209), 142 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:03,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-10-16 15:11:03,668 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:03,669 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-10-16 15:11:03,670 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:11:03,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:03,677 INFO L85 PathProgramCache]: Analyzing trace with hash 925604, now seen corresponding path program 1 times [2022-10-16 15:11:03,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:03,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218025989] [2022-10-16 15:11:03,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:03,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:03,872 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 15:11:03,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:03,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218025989] [2022-10-16 15:11:03,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218025989] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:03,875 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:03,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-10-16 15:11:03,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983588304] [2022-10-16 15:11:03,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:03,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 15:11:03,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:03,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 15:11:03,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:11:03,918 INFO L87 Difference]: Start difference. First operand has 143 states, 120 states have (on average 1.7416666666666667) internal successors, (209), 142 states have internal predecessors, (209), 0 states have call successors, (0), 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 15:11:03,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:03,953 INFO L93 Difference]: Finished difference Result 245 states and 352 transitions. [2022-10-16 15:11:03,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 15:11:03,955 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 15:11:03,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:03,967 INFO L225 Difference]: With dead ends: 245 [2022-10-16 15:11:03,967 INFO L226 Difference]: Without dead ends: 132 [2022-10-16 15:11:03,971 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 15:11:03,975 INFO L413 NwaCegarLoop]: 200 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, 200 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 15:11:03,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:11:03,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2022-10-16 15:11:04,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2022-10-16 15:11:04,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 116 states have (on average 1.6810344827586208) internal successors, (195), 131 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:04,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 195 transitions. [2022-10-16 15:11:04,026 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 195 transitions. Word has length 4 [2022-10-16 15:11:04,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:04,027 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 195 transitions. [2022-10-16 15:11:04,027 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 15:11:04,027 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 195 transitions. [2022-10-16 15:11:04,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-16 15:11:04,028 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:04,028 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:11:04,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:11:04,029 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:11:04,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:04,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1773365716, now seen corresponding path program 1 times [2022-10-16 15:11:04,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:04,030 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377374912] [2022-10-16 15:11:04,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:04,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:04,271 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 15:11:04,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:04,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377374912] [2022-10-16 15:11:04,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377374912] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:04,272 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:04,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:11:04,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139220731] [2022-10-16 15:11:04,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:04,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:11:04,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:04,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:11:04,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:11:04,276 INFO L87 Difference]: Start difference. First operand 132 states and 195 transitions. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:04,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:04,424 INFO L93 Difference]: Finished difference Result 328 states and 469 transitions. [2022-10-16 15:11:04,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:11:04,427 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2022-10-16 15:11:04,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:04,432 INFO L225 Difference]: With dead ends: 328 [2022-10-16 15:11:04,432 INFO L226 Difference]: Without dead ends: 228 [2022-10-16 15:11:04,434 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 15:11:04,436 INFO L413 NwaCegarLoop]: 191 mSDtfsCounter, 137 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 734 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:04,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 734 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:11:04,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2022-10-16 15:11:04,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 132. [2022-10-16 15:11:04,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 116 states have (on average 1.4741379310344827) internal successors, (171), 131 states have internal predecessors, (171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:04,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 171 transitions. [2022-10-16 15:11:04,454 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 171 transitions. Word has length 10 [2022-10-16 15:11:04,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:04,454 INFO L495 AbstractCegarLoop]: Abstraction has 132 states and 171 transitions. [2022-10-16 15:11:04,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:04,455 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 171 transitions. [2022-10-16 15:11:04,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-16 15:11:04,456 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:04,457 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] [2022-10-16 15:11:04,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:11:04,457 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:11:04,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:04,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1335157343, now seen corresponding path program 1 times [2022-10-16 15:11:04,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:04,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445491477] [2022-10-16 15:11:04,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:04,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:04,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:04,607 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 15:11:04,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:04,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445491477] [2022-10-16 15:11:04,608 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445491477] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:04,608 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:04,608 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:11:04,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313623944] [2022-10-16 15:11:04,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:04,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:11:04,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:04,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:11:04,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:11:04,613 INFO L87 Difference]: Start difference. First operand 132 states and 171 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:04,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:04,663 INFO L93 Difference]: Finished difference Result 308 states and 417 transitions. [2022-10-16 15:11:04,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:11:04,664 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2022-10-16 15:11:04,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:04,672 INFO L225 Difference]: With dead ends: 308 [2022-10-16 15:11:04,672 INFO L226 Difference]: Without dead ends: 212 [2022-10-16 15:11:04,673 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 15:11:04,677 INFO L413 NwaCegarLoop]: 278 mSDtfsCounter, 119 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 410 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 15:11:04,680 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 410 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:11:04,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2022-10-16 15:11:04,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 198. [2022-10-16 15:11:04,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 182 states have (on average 1.543956043956044) internal successors, (281), 197 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:04,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 281 transitions. [2022-10-16 15:11:04,709 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 281 transitions. Word has length 39 [2022-10-16 15:11:04,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:04,709 INFO L495 AbstractCegarLoop]: Abstraction has 198 states and 281 transitions. [2022-10-16 15:11:04,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:04,710 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 281 transitions. [2022-10-16 15:11:04,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-16 15:11:04,712 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:04,712 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 15:11:04,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:11:04,713 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:11:04,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:04,714 INFO L85 PathProgramCache]: Analyzing trace with hash -1606368898, now seen corresponding path program 1 times [2022-10-16 15:11:04,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:04,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829206508] [2022-10-16 15:11:04,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:04,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:04,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:04,898 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 15:11:04,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:04,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829206508] [2022-10-16 15:11:04,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829206508] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:04,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:04,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:11:04,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281027950] [2022-10-16 15:11:04,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:04,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:11:04,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:04,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:11:04,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:11:04,902 INFO L87 Difference]: Start difference. First operand 198 states and 281 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 15:11:04,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:04,953 INFO L93 Difference]: Finished difference Result 498 states and 731 transitions. [2022-10-16 15:11:04,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:11:04,954 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 15:11:04,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:04,957 INFO L225 Difference]: With dead ends: 498 [2022-10-16 15:11:04,957 INFO L226 Difference]: Without dead ends: 336 [2022-10-16 15:11:04,958 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 15:11:04,960 INFO L413 NwaCegarLoop]: 269 mSDtfsCounter, 118 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 405 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 15:11:04,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 405 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:11:04,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2022-10-16 15:11:05,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 320. [2022-10-16 15:11:05,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 320 states, 304 states have (on average 1.5921052631578947) internal successors, (484), 319 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:05,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 484 transitions. [2022-10-16 15:11:05,015 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 484 transitions. Word has length 55 [2022-10-16 15:11:05,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:05,016 INFO L495 AbstractCegarLoop]: Abstraction has 320 states and 484 transitions. [2022-10-16 15:11:05,016 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 15:11:05,016 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 484 transitions. [2022-10-16 15:11:05,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-16 15:11:05,018 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:05,019 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 15:11:05,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:11:05,019 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:11:05,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:05,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1899214138, now seen corresponding path program 1 times [2022-10-16 15:11:05,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:05,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442363395] [2022-10-16 15:11:05,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:05,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:05,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:05,130 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 15:11:05,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:05,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442363395] [2022-10-16 15:11:05,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442363395] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:05,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:05,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:11:05,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88135542] [2022-10-16 15:11:05,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:05,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:11:05,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:05,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:11:05,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:11:05,135 INFO L87 Difference]: Start difference. First operand 320 states and 484 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 15:11:05,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:05,199 INFO L93 Difference]: Finished difference Result 840 states and 1300 transitions. [2022-10-16 15:11:05,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:11:05,199 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 15:11:05,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:05,205 INFO L225 Difference]: With dead ends: 840 [2022-10-16 15:11:05,205 INFO L226 Difference]: Without dead ends: 556 [2022-10-16 15:11:05,210 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 15:11:05,218 INFO L413 NwaCegarLoop]: 256 mSDtfsCounter, 113 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 396 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 15:11:05,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 396 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:11:05,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2022-10-16 15:11:05,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 540. [2022-10-16 15:11:05,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 524 states have (on average 1.618320610687023) internal successors, (848), 539 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:05,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 848 transitions. [2022-10-16 15:11:05,269 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 848 transitions. Word has length 56 [2022-10-16 15:11:05,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:05,272 INFO L495 AbstractCegarLoop]: Abstraction has 540 states and 848 transitions. [2022-10-16 15:11:05,272 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 15:11:05,273 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 848 transitions. [2022-10-16 15:11:05,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-16 15:11:05,280 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:05,280 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 15:11:05,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:11:05,282 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:11:05,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:05,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1328197234, now seen corresponding path program 1 times [2022-10-16 15:11:05,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:05,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479228417] [2022-10-16 15:11:05,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:05,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:05,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:05,417 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 15:11:05,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:05,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479228417] [2022-10-16 15:11:05,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479228417] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:05,418 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:05,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:11:05,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339409445] [2022-10-16 15:11:05,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:05,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:11:05,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:05,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:11:05,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:11:05,421 INFO L87 Difference]: Start difference. First operand 540 states and 848 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 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 15:11:05,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:05,475 INFO L93 Difference]: Finished difference Result 1452 states and 2312 transitions. [2022-10-16 15:11:05,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:11:05,476 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 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 15:11:05,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:05,482 INFO L225 Difference]: With dead ends: 1452 [2022-10-16 15:11:05,482 INFO L226 Difference]: Without dead ends: 948 [2022-10-16 15:11:05,483 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 15:11:05,485 INFO L413 NwaCegarLoop]: 243 mSDtfsCounter, 108 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 387 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 15:11:05,485 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 387 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:11:05,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 948 states. [2022-10-16 15:11:05,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 948 to 932. [2022-10-16 15:11:05,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 932 states, 916 states have (on average 1.6288209606986899) internal successors, (1492), 931 states have internal predecessors, (1492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:05,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 932 states to 932 states and 1492 transitions. [2022-10-16 15:11:05,535 INFO L78 Accepts]: Start accepts. Automaton has 932 states and 1492 transitions. Word has length 57 [2022-10-16 15:11:05,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:05,536 INFO L495 AbstractCegarLoop]: Abstraction has 932 states and 1492 transitions. [2022-10-16 15:11:05,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 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 15:11:05,536 INFO L276 IsEmpty]: Start isEmpty. Operand 932 states and 1492 transitions. [2022-10-16 15:11:05,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-16 15:11:05,537 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:05,537 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, 1, 1] [2022-10-16 15:11:05,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:11:05,538 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:11:05,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:05,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1759502262, now seen corresponding path program 1 times [2022-10-16 15:11:05,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:05,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505561447] [2022-10-16 15:11:05,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:05,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:05,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:05,683 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 15:11:05,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:05,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505561447] [2022-10-16 15:11:05,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505561447] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:05,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:05,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:11:05,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326852188] [2022-10-16 15:11:05,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:05,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:11:05,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:05,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:11:05,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:11:05,690 INFO L87 Difference]: Start difference. First operand 932 states and 1492 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 15:11:05,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:05,910 INFO L93 Difference]: Finished difference Result 2722 states and 4404 transitions. [2022-10-16 15:11:05,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:11:05,912 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 15:11:05,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:05,927 INFO L225 Difference]: With dead ends: 2722 [2022-10-16 15:11:05,927 INFO L226 Difference]: Without dead ends: 2720 [2022-10-16 15:11:05,929 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 15:11:05,930 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 397 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 397 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:05,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [397 Valid, 397 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:11:05,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2720 states. [2022-10-16 15:11:06,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2720 to 1812. [2022-10-16 15:11:06,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1812 states, 1796 states have (on average 1.623608017817372) internal successors, (2916), 1811 states have internal predecessors, (2916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:06,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1812 states to 1812 states and 2916 transitions. [2022-10-16 15:11:06,046 INFO L78 Accepts]: Start accepts. Automaton has 1812 states and 2916 transitions. Word has length 58 [2022-10-16 15:11:06,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:06,046 INFO L495 AbstractCegarLoop]: Abstraction has 1812 states and 2916 transitions. [2022-10-16 15:11:06,047 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 15:11:06,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1812 states and 2916 transitions. [2022-10-16 15:11:06,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-16 15:11:06,048 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:06,048 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 15:11:06,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:11:06,051 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:11:06,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:06,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1290005173, now seen corresponding path program 1 times [2022-10-16 15:11:06,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:06,052 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615158920] [2022-10-16 15:11:06,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:06,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:06,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:06,173 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 15:11:06,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:06,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615158920] [2022-10-16 15:11:06,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615158920] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:06,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:06,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:11:06,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835448450] [2022-10-16 15:11:06,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:06,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:11:06,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:06,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:11:06,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:11:06,176 INFO L87 Difference]: Start difference. First operand 1812 states and 2916 transitions. Second operand has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:06,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:06,370 INFO L93 Difference]: Finished difference Result 2706 states and 4372 transitions. [2022-10-16 15:11:06,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:11:06,371 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 59 [2022-10-16 15:11:06,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:06,385 INFO L225 Difference]: With dead ends: 2706 [2022-10-16 15:11:06,385 INFO L226 Difference]: Without dead ends: 2704 [2022-10-16 15:11:06,386 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 15:11:06,388 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 396 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:06,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 269 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:11:06,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2704 states. [2022-10-16 15:11:06,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2704 to 2692. [2022-10-16 15:11:06,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2692 states, 2676 states have (on average 1.609865470852018) internal successors, (4308), 2691 states have internal predecessors, (4308), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:06,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2692 states to 2692 states and 4308 transitions. [2022-10-16 15:11:06,566 INFO L78 Accepts]: Start accepts. Automaton has 2692 states and 4308 transitions. Word has length 59 [2022-10-16 15:11:06,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:06,567 INFO L495 AbstractCegarLoop]: Abstraction has 2692 states and 4308 transitions. [2022-10-16 15:11:06,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.666666666666668) internal successors, (59), 4 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:06,568 INFO L276 IsEmpty]: Start isEmpty. Operand 2692 states and 4308 transitions. [2022-10-16 15:11:06,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-16 15:11:06,568 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:06,568 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 15:11:06,569 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:11:06,569 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:11:06,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:06,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1335455148, now seen corresponding path program 1 times [2022-10-16 15:11:06,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:06,570 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537078172] [2022-10-16 15:11:06,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:06,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:06,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:06,663 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 15:11:06,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:06,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537078172] [2022-10-16 15:11:06,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537078172] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:06,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:06,664 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:11:06,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570742380] [2022-10-16 15:11:06,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:06,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:11:06,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:06,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:11:06,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:11:06,666 INFO L87 Difference]: Start difference. First operand 2692 states and 4308 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 15:11:07,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:07,015 INFO L93 Difference]: Finished difference Result 4488 states and 7124 transitions. [2022-10-16 15:11:07,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 15:11:07,016 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 15:11:07,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:07,039 INFO L225 Difference]: With dead ends: 4488 [2022-10-16 15:11:07,039 INFO L226 Difference]: Without dead ends: 4486 [2022-10-16 15:11:07,041 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 15:11:07,042 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 666 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 666 SdHoareTripleChecker+Valid, 636 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:07,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [666 Valid, 636 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:11:07,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4486 states. [2022-10-16 15:11:07,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4486 to 3572. [2022-10-16 15:11:07,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3572 states, 3556 states have (on average 1.59392575928009) internal successors, (5668), 3571 states have internal predecessors, (5668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:07,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3572 states to 3572 states and 5668 transitions. [2022-10-16 15:11:07,275 INFO L78 Accepts]: Start accepts. Automaton has 3572 states and 5668 transitions. Word has length 60 [2022-10-16 15:11:07,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:07,275 INFO L495 AbstractCegarLoop]: Abstraction has 3572 states and 5668 transitions. [2022-10-16 15:11:07,276 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 15:11:07,276 INFO L276 IsEmpty]: Start isEmpty. Operand 3572 states and 5668 transitions. [2022-10-16 15:11:07,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-16 15:11:07,276 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:07,277 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 15:11:07,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:11:07,277 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:11:07,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:07,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1550562921, now seen corresponding path program 1 times [2022-10-16 15:11:07,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:07,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555546305] [2022-10-16 15:11:07,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:07,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:07,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:07,438 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 15:11:07,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:07,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555546305] [2022-10-16 15:11:07,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555546305] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:07,439 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:07,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:11:07,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064934364] [2022-10-16 15:11:07,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:07,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:11:07,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:07,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:11:07,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:11:07,441 INFO L87 Difference]: Start difference. First operand 3572 states and 5668 transitions. Second operand has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:07,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:07,779 INFO L93 Difference]: Finished difference Result 4476 states and 7092 transitions. [2022-10-16 15:11:07,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:11:07,780 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 61 [2022-10-16 15:11:07,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:07,802 INFO L225 Difference]: With dead ends: 4476 [2022-10-16 15:11:07,802 INFO L226 Difference]: Without dead ends: 4474 [2022-10-16 15:11:07,808 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 15:11:07,810 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 765 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 765 SdHoareTripleChecker+Valid, 410 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:07,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [765 Valid, 410 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:11:07,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4474 states. [2022-10-16 15:11:08,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4474 to 4452. [2022-10-16 15:11:08,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4452 states, 4436 states have (on average 1.5770964833183048) internal successors, (6996), 4451 states have internal predecessors, (6996), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:08,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4452 states to 4452 states and 6996 transitions. [2022-10-16 15:11:08,096 INFO L78 Accepts]: Start accepts. Automaton has 4452 states and 6996 transitions. Word has length 61 [2022-10-16 15:11:08,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:08,097 INFO L495 AbstractCegarLoop]: Abstraction has 4452 states and 6996 transitions. [2022-10-16 15:11:08,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 15.25) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:08,097 INFO L276 IsEmpty]: Start isEmpty. Operand 4452 states and 6996 transitions. [2022-10-16 15:11:08,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-16 15:11:08,098 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:08,098 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 15:11:08,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:11:08,098 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:11:08,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:08,099 INFO L85 PathProgramCache]: Analyzing trace with hash -822809842, now seen corresponding path program 1 times [2022-10-16 15:11:08,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:08,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49039951] [2022-10-16 15:11:08,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:08,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:08,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:08,221 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 15:11:08,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:08,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49039951] [2022-10-16 15:11:08,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49039951] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:08,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:08,222 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:11:08,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818934695] [2022-10-16 15:11:08,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:08,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:11:08,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:08,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:11:08,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:11:08,224 INFO L87 Difference]: Start difference. First operand 4452 states and 6996 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 15:11:08,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:08,759 INFO L93 Difference]: Finished difference Result 11544 states and 18100 transitions. [2022-10-16 15:11:08,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-10-16 15:11:08,760 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 15:11:08,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:08,817 INFO L225 Difference]: With dead ends: 11544 [2022-10-16 15:11:08,818 INFO L226 Difference]: Without dead ends: 7128 [2022-10-16 15:11:08,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-10-16 15:11:08,827 INFO L413 NwaCegarLoop]: 145 mSDtfsCounter, 1011 mSDsluCounter, 751 mSDsCounter, 0 mSdLazyCounter, 200 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1011 SdHoareTripleChecker+Valid, 896 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:08,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1011 Valid, 896 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 200 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:11:08,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7128 states. [2022-10-16 15:11:09,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7128 to 5332. [2022-10-16 15:11:09,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5332 states, 5316 states have (on average 1.5537998495109104) internal successors, (8260), 5331 states have internal predecessors, (8260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:09,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5332 states to 5332 states and 8260 transitions. [2022-10-16 15:11:09,187 INFO L78 Accepts]: Start accepts. Automaton has 5332 states and 8260 transitions. Word has length 62 [2022-10-16 15:11:09,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:09,188 INFO L495 AbstractCegarLoop]: Abstraction has 5332 states and 8260 transitions. [2022-10-16 15:11:09,188 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 15:11:09,188 INFO L276 IsEmpty]: Start isEmpty. Operand 5332 states and 8260 transitions. [2022-10-16 15:11:09,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-16 15:11:09,191 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:09,192 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 15:11:09,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:11:09,192 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:11:09,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:09,193 INFO L85 PathProgramCache]: Analyzing trace with hash 262699129, now seen corresponding path program 1 times [2022-10-16 15:11:09,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:09,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354401107] [2022-10-16 15:11:09,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:09,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:09,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:09,304 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 15:11:09,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:09,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354401107] [2022-10-16 15:11:09,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354401107] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:09,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:09,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:11:09,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670522647] [2022-10-16 15:11:09,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:09,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:11:09,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:09,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:11:09,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:11:09,307 INFO L87 Difference]: Start difference. First operand 5332 states and 8260 transitions. Second operand has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:09,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:09,984 INFO L93 Difference]: Finished difference Result 8902 states and 13892 transitions. [2022-10-16 15:11:09,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 15:11:09,985 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2022-10-16 15:11:09,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:10,005 INFO L225 Difference]: With dead ends: 8902 [2022-10-16 15:11:10,006 INFO L226 Difference]: Without dead ends: 8900 [2022-10-16 15:11:10,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2022-10-16 15:11:10,010 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 1323 mSDsluCounter, 635 mSDsCounter, 0 mSdLazyCounter, 210 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1323 SdHoareTripleChecker+Valid, 778 SdHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:10,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1323 Valid, 778 Invalid, 242 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 210 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:11:10,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8900 states. [2022-10-16 15:11:10,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8900 to 8852. [2022-10-16 15:11:10,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8852 states, 8836 states have (on average 1.5504753282028068) internal successors, (13700), 8851 states have internal predecessors, (13700), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:10,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8852 states to 8852 states and 13700 transitions. [2022-10-16 15:11:10,579 INFO L78 Accepts]: Start accepts. Automaton has 8852 states and 13700 transitions. Word has length 63 [2022-10-16 15:11:10,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:10,580 INFO L495 AbstractCegarLoop]: Abstraction has 8852 states and 13700 transitions. [2022-10-16 15:11:10,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.6) internal successors, (63), 6 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:10,580 INFO L276 IsEmpty]: Start isEmpty. Operand 8852 states and 13700 transitions. [2022-10-16 15:11:10,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-16 15:11:10,581 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:10,581 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:11:10,581 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:11:10,582 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:11:10,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:10,582 INFO L85 PathProgramCache]: Analyzing trace with hash -67749230, now seen corresponding path program 1 times [2022-10-16 15:11:10,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:10,583 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981569647] [2022-10-16 15:11:10,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:10,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:10,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:10,674 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 15:11:10,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:10,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981569647] [2022-10-16 15:11:10,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981569647] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:10,675 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:10,675 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:11:10,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082732806] [2022-10-16 15:11:10,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:10,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:11:10,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:10,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:11:10,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:11:10,677 INFO L87 Difference]: Start difference. First operand 8852 states and 13700 transitions. Second operand has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:11,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:11,112 INFO L93 Difference]: Finished difference Result 8912 states and 13777 transitions. [2022-10-16 15:11:11,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:11:11,113 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 70 [2022-10-16 15:11:11,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:11,138 INFO L225 Difference]: With dead ends: 8912 [2022-10-16 15:11:11,138 INFO L226 Difference]: Without dead ends: 8910 [2022-10-16 15:11:11,143 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:11:11,145 INFO L413 NwaCegarLoop]: 167 mSDtfsCounter, 43 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:11,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 495 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:11:11,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8910 states. [2022-10-16 15:11:11,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8910 to 8910. [2022-10-16 15:11:11,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8910 states, 8894 states have (on average 1.5487969417584888) internal successors, (13775), 8909 states have internal predecessors, (13775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:11,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8910 states to 8910 states and 13775 transitions. [2022-10-16 15:11:11,711 INFO L78 Accepts]: Start accepts. Automaton has 8910 states and 13775 transitions. Word has length 70 [2022-10-16 15:11:11,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:11,711 INFO L495 AbstractCegarLoop]: Abstraction has 8910 states and 13775 transitions. [2022-10-16 15:11:11,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 23.333333333333332) internal successors, (70), 4 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:11,712 INFO L276 IsEmpty]: Start isEmpty. Operand 8910 states and 13775 transitions. [2022-10-16 15:11:11,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-10-16 15:11:11,713 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:11,713 INFO L195 NwaCegarLoop]: trace histogram [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 15:11:11,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:11:11,715 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:11:11,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:11,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1262030447, now seen corresponding path program 1 times [2022-10-16 15:11:11,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:11,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403013061] [2022-10-16 15:11:11,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:11,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:11,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:11,798 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:11:11,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:11,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403013061] [2022-10-16 15:11:11,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403013061] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:11,799 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:11,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:11:11,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658458845] [2022-10-16 15:11:11,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:11,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:11:11,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:11,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:11:11,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:11:11,801 INFO L87 Difference]: Start difference. First operand 8910 states and 13775 transitions. Second operand has 3 states, 2 states have (on average 36.5) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:12,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:12,165 INFO L93 Difference]: Finished difference Result 8910 states and 13775 transitions. [2022-10-16 15:11:12,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:11:12,166 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 36.5) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2022-10-16 15:11:12,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:12,187 INFO L225 Difference]: With dead ends: 8910 [2022-10-16 15:11:12,187 INFO L226 Difference]: Without dead ends: 8909 [2022-10-16 15:11:12,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:11:12,192 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 97 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:12,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 164 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:11:12,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8909 states. [2022-10-16 15:11:12,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8909 to 8909. [2022-10-16 15:11:12,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8909 states, 8894 states have (on average 1.5398021137845739) internal successors, (13695), 8908 states have internal predecessors, (13695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:12,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8909 states to 8909 states and 13695 transitions. [2022-10-16 15:11:12,750 INFO L78 Accepts]: Start accepts. Automaton has 8909 states and 13695 transitions. Word has length 74 [2022-10-16 15:11:12,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:12,751 INFO L495 AbstractCegarLoop]: Abstraction has 8909 states and 13695 transitions. [2022-10-16 15:11:12,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 36.5) internal successors, (73), 3 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:12,751 INFO L276 IsEmpty]: Start isEmpty. Operand 8909 states and 13695 transitions. [2022-10-16 15:11:12,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-16 15:11:12,752 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:12,752 INFO L195 NwaCegarLoop]: trace histogram [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 15:11:12,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:11:12,753 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:11:12,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:12,754 INFO L85 PathProgramCache]: Analyzing trace with hash 468238407, now seen corresponding path program 1 times [2022-10-16 15:11:12,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:12,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344478414] [2022-10-16 15:11:12,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:12,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:12,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:12,850 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:11:12,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:12,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344478414] [2022-10-16 15:11:12,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344478414] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:12,851 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:12,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:11:12,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956159460] [2022-10-16 15:11:12,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:12,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:11:12,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:12,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:11:12,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:11:12,853 INFO L87 Difference]: Start difference. First operand 8909 states and 13695 transitions. Second operand has 3 states, 2 states have (on average 37.0) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:13,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:13,372 INFO L93 Difference]: Finished difference Result 8909 states and 13695 transitions. [2022-10-16 15:11:13,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:11:13,372 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 37.0) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 75 [2022-10-16 15:11:13,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:13,391 INFO L225 Difference]: With dead ends: 8909 [2022-10-16 15:11:13,391 INFO L226 Difference]: Without dead ends: 8908 [2022-10-16 15:11:13,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:11:13,395 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 95 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:13,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 164 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:11:13,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8908 states. [2022-10-16 15:11:13,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8908 to 8908. [2022-10-16 15:11:13,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8908 states, 8894 states have (on average 1.530807285810659) internal successors, (13615), 8907 states have internal predecessors, (13615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:13,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8908 states to 8908 states and 13615 transitions. [2022-10-16 15:11:13,878 INFO L78 Accepts]: Start accepts. Automaton has 8908 states and 13615 transitions. Word has length 75 [2022-10-16 15:11:13,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:13,879 INFO L495 AbstractCegarLoop]: Abstraction has 8908 states and 13615 transitions. [2022-10-16 15:11:13,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 37.0) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:13,879 INFO L276 IsEmpty]: Start isEmpty. Operand 8908 states and 13615 transitions. [2022-10-16 15:11:13,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-16 15:11:13,881 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:13,881 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:11:13,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:11:13,882 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:11:13,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:13,882 INFO L85 PathProgramCache]: Analyzing trace with hash 1332226032, now seen corresponding path program 1 times [2022-10-16 15:11:13,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:13,883 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123548546] [2022-10-16 15:11:13,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:13,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:13,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:13,953 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:11:13,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:13,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123548546] [2022-10-16 15:11:13,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123548546] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:13,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:13,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:11:13,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220252207] [2022-10-16 15:11:13,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:13,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:11:13,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:13,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:11:13,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:11:13,956 INFO L87 Difference]: Start difference. First operand 8908 states and 13615 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 15:11:14,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:14,822 INFO L93 Difference]: Finished difference Result 26017 states and 39713 transitions. [2022-10-16 15:11:14,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:11:14,823 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 15:11:14,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:14,867 INFO L225 Difference]: With dead ends: 26017 [2022-10-16 15:11:14,867 INFO L226 Difference]: Without dead ends: 17203 [2022-10-16 15:11:14,882 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 15:11:14,883 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 88 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 340 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 15:11:14,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 340 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:11:14,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17203 states. [2022-10-16 15:11:15,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17203 to 17189. [2022-10-16 15:11:15,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17189 states, 17175 states have (on average 1.5166812227074236) internal successors, (26049), 17188 states have internal predecessors, (26049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:15,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17189 states to 17189 states and 26049 transitions. [2022-10-16 15:11:15,969 INFO L78 Accepts]: Start accepts. Automaton has 17189 states and 26049 transitions. Word has length 93 [2022-10-16 15:11:15,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:15,970 INFO L495 AbstractCegarLoop]: Abstraction has 17189 states and 26049 transitions. [2022-10-16 15:11:15,970 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 15:11:15,970 INFO L276 IsEmpty]: Start isEmpty. Operand 17189 states and 26049 transitions. [2022-10-16 15:11:15,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 15:11:15,974 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:15,974 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, 1, 1] [2022-10-16 15:11:15,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:11:15,975 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:11:15,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:15,975 INFO L85 PathProgramCache]: Analyzing trace with hash 244188690, now seen corresponding path program 1 times [2022-10-16 15:11:15,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:15,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948485839] [2022-10-16 15:11:15,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:15,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:15,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:16,055 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 15:11:16,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:16,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948485839] [2022-10-16 15:11:16,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948485839] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:16,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:16,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:11:16,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476795066] [2022-10-16 15:11:16,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:16,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:11:16,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:16,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:11:16,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:11:16,058 INFO L87 Difference]: Start difference. First operand 17189 states and 26049 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:17,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:17,384 INFO L93 Difference]: Finished difference Result 50268 states and 76018 transitions. [2022-10-16 15:11:17,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:11:17,385 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 94 [2022-10-16 15:11:17,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:17,461 INFO L225 Difference]: With dead ends: 50268 [2022-10-16 15:11:17,461 INFO L226 Difference]: Without dead ends: 33214 [2022-10-16 15:11:17,486 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 15:11:17,487 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 86 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 329 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 15:11:17,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 329 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:11:17,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33214 states. [2022-10-16 15:11:19,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33214 to 33200. [2022-10-16 15:11:19,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33200 states, 33186 states have (on average 1.5009341288495148) internal successors, (49810), 33199 states have internal predecessors, (49810), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:19,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33200 states to 33200 states and 49810 transitions. [2022-10-16 15:11:19,218 INFO L78 Accepts]: Start accepts. Automaton has 33200 states and 49810 transitions. Word has length 94 [2022-10-16 15:11:19,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:19,219 INFO L495 AbstractCegarLoop]: Abstraction has 33200 states and 49810 transitions. [2022-10-16 15:11:19,219 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:19,219 INFO L276 IsEmpty]: Start isEmpty. Operand 33200 states and 49810 transitions. [2022-10-16 15:11:19,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-10-16 15:11:19,225 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:19,225 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:11:19,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 15:11:19,226 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:11:19,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:19,227 INFO L85 PathProgramCache]: Analyzing trace with hash 555878657, now seen corresponding path program 1 times [2022-10-16 15:11:19,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:19,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010603069] [2022-10-16 15:11:19,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:19,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:19,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:19,364 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 15:11:19,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:19,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010603069] [2022-10-16 15:11:19,365 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010603069] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:19,365 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:19,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:11:19,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303085606] [2022-10-16 15:11:19,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:19,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:11:19,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:19,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:11:19,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:11:19,367 INFO L87 Difference]: Start difference. First operand 33200 states and 49810 transitions. Second operand has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 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 15:11:21,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:21,373 INFO L93 Difference]: Finished difference Result 46404 states and 70034 transitions. [2022-10-16 15:11:21,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:11:21,373 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 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 15:11:21,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:21,457 INFO L225 Difference]: With dead ends: 46404 [2022-10-16 15:11:21,457 INFO L226 Difference]: Without dead ends: 46402 [2022-10-16 15:11:21,471 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 15:11:21,472 INFO L413 NwaCegarLoop]: 250 mSDtfsCounter, 203 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:21,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 498 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:11:21,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46402 states. [2022-10-16 15:11:23,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46402 to 39792. [2022-10-16 15:11:23,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39792 states, 39778 states have (on average 1.5031927195937453) internal successors, (59794), 39791 states have internal predecessors, (59794), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:23,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39792 states to 39792 states and 59794 transitions. [2022-10-16 15:11:23,605 INFO L78 Accepts]: Start accepts. Automaton has 39792 states and 59794 transitions. Word has length 94 [2022-10-16 15:11:23,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:23,607 INFO L495 AbstractCegarLoop]: Abstraction has 39792 states and 59794 transitions. [2022-10-16 15:11:23,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 29.333333333333332) internal successors, (88), 4 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 15:11:23,608 INFO L276 IsEmpty]: Start isEmpty. Operand 39792 states and 59794 transitions. [2022-10-16 15:11:23,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 15:11:23,621 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:23,622 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, 1, 1, 1] [2022-10-16 15:11:23,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 15:11:23,622 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:11:23,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:23,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1808543739, now seen corresponding path program 1 times [2022-10-16 15:11:23,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:23,623 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196786215] [2022-10-16 15:11:23,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:23,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:23,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:23,764 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 15:11:23,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:23,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196786215] [2022-10-16 15:11:23,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196786215] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:23,764 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:23,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:11:23,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009869159] [2022-10-16 15:11:23,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:23,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:11:23,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:23,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:11:23,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:11:23,767 INFO L87 Difference]: Start difference. First operand 39792 states and 59794 transitions. Second operand has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:25,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:25,769 INFO L93 Difference]: Finished difference Result 52998 states and 80018 transitions. [2022-10-16 15:11:25,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:11:25,770 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2022-10-16 15:11:25,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:25,837 INFO L225 Difference]: With dead ends: 52998 [2022-10-16 15:11:25,837 INFO L226 Difference]: Without dead ends: 52996 [2022-10-16 15:11:25,848 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 15:11:25,849 INFO L413 NwaCegarLoop]: 250 mSDtfsCounter, 203 mSDsluCounter, 240 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:25,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 490 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:11:25,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52996 states. [2022-10-16 15:11:28,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52996 to 49696. [2022-10-16 15:11:28,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49696 states, 49682 states have (on average 1.5088361982206835) internal successors, (74962), 49695 states have internal predecessors, (74962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:28,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49696 states to 49696 states and 74962 transitions. [2022-10-16 15:11:28,201 INFO L78 Accepts]: Start accepts. Automaton has 49696 states and 74962 transitions. Word has length 95 [2022-10-16 15:11:28,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:28,201 INFO L495 AbstractCegarLoop]: Abstraction has 49696 states and 74962 transitions. [2022-10-16 15:11:28,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.333333333333332) internal successors, (94), 4 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:28,202 INFO L276 IsEmpty]: Start isEmpty. Operand 49696 states and 74962 transitions. [2022-10-16 15:11:28,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-10-16 15:11:28,208 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:28,208 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:11:28,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 15:11:28,208 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:11:28,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:28,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1268316062, now seen corresponding path program 1 times [2022-10-16 15:11:28,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:28,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020526327] [2022-10-16 15:11:28,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:28,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:28,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:28,275 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:11:28,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:28,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020526327] [2022-10-16 15:11:28,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020526327] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:28,276 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:28,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:11:28,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806522213] [2022-10-16 15:11:28,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:28,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:11:28,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:28,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:11:28,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:11:28,278 INFO L87 Difference]: Start difference. First operand 49696 states and 74962 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:32,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:32,477 INFO L93 Difference]: Finished difference Result 145404 states and 218726 transitions. [2022-10-16 15:11:32,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:11:32,480 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 95 [2022-10-16 15:11:32,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:32,634 INFO L225 Difference]: With dead ends: 145404 [2022-10-16 15:11:32,634 INFO L226 Difference]: Without dead ends: 95934 [2022-10-16 15:11:32,692 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 15:11:32,695 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 89 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 357 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 15:11:32,696 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 357 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:11:32,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95934 states. [2022-10-16 15:11:37,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95934 to 95920. [2022-10-16 15:11:37,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95920 states, 95906 states have (on average 1.491856609596897) internal successors, (143078), 95919 states have internal predecessors, (143078), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:37,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95920 states to 95920 states and 143078 transitions. [2022-10-16 15:11:37,623 INFO L78 Accepts]: Start accepts. Automaton has 95920 states and 143078 transitions. Word has length 95 [2022-10-16 15:11:37,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:37,624 INFO L495 AbstractCegarLoop]: Abstraction has 95920 states and 143078 transitions. [2022-10-16 15:11:37,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:37,624 INFO L276 IsEmpty]: Start isEmpty. Operand 95920 states and 143078 transitions. [2022-10-16 15:11:37,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 15:11:37,633 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:37,633 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:11:37,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 15:11:37,634 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:11:37,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:37,634 INFO L85 PathProgramCache]: Analyzing trace with hash 230281508, now seen corresponding path program 1 times [2022-10-16 15:11:37,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:37,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680040434] [2022-10-16 15:11:37,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:37,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:37,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:38,072 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:11:38,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:38,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680040434] [2022-10-16 15:11:38,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680040434] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:38,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:38,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:11:38,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711673716] [2022-10-16 15:11:38,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:38,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:11:38,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:38,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:11:38,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:11:38,074 INFO L87 Difference]: Start difference. First operand 95920 states and 143078 transitions. Second operand has 4 states, 3 states have (on average 31.666666666666668) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:41,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:41,934 INFO L93 Difference]: Finished difference Result 95930 states and 143078 transitions. [2022-10-16 15:11:41,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:11:41,935 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.666666666666668) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2022-10-16 15:11:41,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:42,065 INFO L225 Difference]: With dead ends: 95930 [2022-10-16 15:11:42,065 INFO L226 Difference]: Without dead ends: 95928 [2022-10-16 15:11:42,083 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 15:11:42,084 INFO L413 NwaCegarLoop]: 246 mSDtfsCounter, 200 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:42,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 394 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:11:42,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95928 states. [2022-10-16 15:11:46,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95928 to 88014. [2022-10-16 15:11:46,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88014 states, 88002 states have (on average 1.4783982182223132) internal successors, (130102), 88013 states have internal predecessors, (130102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:46,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88014 states to 88014 states and 130102 transitions. [2022-10-16 15:11:46,635 INFO L78 Accepts]: Start accepts. Automaton has 88014 states and 130102 transitions. Word has length 96 [2022-10-16 15:11:46,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:46,635 INFO L495 AbstractCegarLoop]: Abstraction has 88014 states and 130102 transitions. [2022-10-16 15:11:46,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.666666666666668) internal successors, (95), 4 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:46,636 INFO L276 IsEmpty]: Start isEmpty. Operand 88014 states and 130102 transitions. [2022-10-16 15:11:46,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 15:11:46,645 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:46,645 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:11:46,646 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 15:11:46,646 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:11:46,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:46,646 INFO L85 PathProgramCache]: Analyzing trace with hash -139033767, now seen corresponding path program 1 times [2022-10-16 15:11:46,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:46,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954450362] [2022-10-16 15:11:46,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:46,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:46,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:46,774 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 15:11:46,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:46,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954450362] [2022-10-16 15:11:46,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954450362] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:46,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:46,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:11:46,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033437502] [2022-10-16 15:11:46,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:46,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:11:46,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:46,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:11:46,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:11:46,776 INFO L87 Difference]: Start difference. First operand 88014 states and 130102 transitions. Second operand has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 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 15:11:50,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:11:50,752 INFO L93 Difference]: Finished difference Result 95940 states and 141542 transitions. [2022-10-16 15:11:50,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:11:50,757 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 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 96 [2022-10-16 15:11:50,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:11:50,865 INFO L225 Difference]: With dead ends: 95940 [2022-10-16 15:11:50,865 INFO L226 Difference]: Without dead ends: 95938 [2022-10-16 15:11:50,881 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-10-16 15:11:50,882 INFO L413 NwaCegarLoop]: 248 mSDtfsCounter, 467 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 467 SdHoareTripleChecker+Valid, 623 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:11:50,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [467 Valid, 623 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:11:50,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95938 states. [2022-10-16 15:11:55,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95938 to 87982. [2022-10-16 15:11:55,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87982 states, 87970 states have (on average 1.4760259179265658) internal successors, (129846), 87981 states have internal predecessors, (129846), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:11:55,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87982 states to 87982 states and 129846 transitions. [2022-10-16 15:11:55,494 INFO L78 Accepts]: Start accepts. Automaton has 87982 states and 129846 transitions. Word has length 96 [2022-10-16 15:11:55,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:11:55,495 INFO L495 AbstractCegarLoop]: Abstraction has 87982 states and 129846 transitions. [2022-10-16 15:11:55,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.25) internal successors, (89), 5 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 15:11:55,495 INFO L276 IsEmpty]: Start isEmpty. Operand 87982 states and 129846 transitions. [2022-10-16 15:11:55,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 15:11:55,523 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:11:55,524 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:11:55,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-10-16 15:11:55,525 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:11:55,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:11:55,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1623458979, now seen corresponding path program 1 times [2022-10-16 15:11:55,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:11:55,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401212501] [2022-10-16 15:11:55,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:11:55,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:11:55,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:11:55,650 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 15:11:55,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:11:55,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401212501] [2022-10-16 15:11:55,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401212501] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:11:55,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:11:55,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:11:55,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685246611] [2022-10-16 15:11:55,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:11:55,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:11:55,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:11:55,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:11:55,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:11:55,653 INFO L87 Difference]: Start difference. First operand 87982 states and 129846 transitions. Second operand has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:12:00,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:12:00,350 INFO L93 Difference]: Finished difference Result 108678 states and 160102 transitions. [2022-10-16 15:12:00,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:12:00,351 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2022-10-16 15:12:00,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:12:00,503 INFO L225 Difference]: With dead ends: 108678 [2022-10-16 15:12:00,503 INFO L226 Difference]: Without dead ends: 108676 [2022-10-16 15:12:00,525 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 15:12:00,526 INFO L413 NwaCegarLoop]: 250 mSDtfsCounter, 462 mSDsluCounter, 414 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 462 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:12:00,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [462 Valid, 664 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:12:00,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108676 states. [2022-10-16 15:12:05,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108676 to 103918. [2022-10-16 15:12:05,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103918 states, 103906 states have (on average 1.4716955709968627) internal successors, (152918), 103917 states have internal predecessors, (152918), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:12:05,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103918 states to 103918 states and 152918 transitions. [2022-10-16 15:12:05,730 INFO L78 Accepts]: Start accepts. Automaton has 103918 states and 152918 transitions. Word has length 96 [2022-10-16 15:12:05,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:12:05,731 INFO L495 AbstractCegarLoop]: Abstraction has 103918 states and 152918 transitions. [2022-10-16 15:12:05,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.5) internal successors, (90), 5 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:12:05,731 INFO L276 IsEmpty]: Start isEmpty. Operand 103918 states and 152918 transitions. [2022-10-16 15:12:05,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 15:12:05,974 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:12:05,974 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:12:05,974 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-10-16 15:12:05,975 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:12:05,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:12:05,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1451207395, now seen corresponding path program 1 times [2022-10-16 15:12:05,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:12:05,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446317299] [2022-10-16 15:12:05,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:12:05,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:12:06,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:12:06,126 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:12:06,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:12:06,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446317299] [2022-10-16 15:12:06,127 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446317299] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:12:06,127 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:12:06,127 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:12:06,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167212306] [2022-10-16 15:12:06,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:12:06,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:12:06,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:12:06,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:12:06,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:12:06,132 INFO L87 Difference]: Start difference. First operand 103918 states and 152918 transitions. Second operand has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:12:11,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:12:11,143 INFO L93 Difference]: Finished difference Result 121414 states and 178662 transitions. [2022-10-16 15:12:11,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:12:11,145 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2022-10-16 15:12:11,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:12:11,312 INFO L225 Difference]: With dead ends: 121414 [2022-10-16 15:12:11,312 INFO L226 Difference]: Without dead ends: 121412 [2022-10-16 15:12:11,336 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 15:12:11,336 INFO L413 NwaCegarLoop]: 252 mSDtfsCounter, 456 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 456 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:12:11,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [456 Valid, 647 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:12:11,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121412 states. [2022-10-16 15:12:17,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121412 to 116678. [2022-10-16 15:12:17,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116678 states, 116666 states have (on average 1.4698198275418717) internal successors, (171478), 116677 states have internal predecessors, (171478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:12:17,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116678 states to 116678 states and 171478 transitions. [2022-10-16 15:12:17,353 INFO L78 Accepts]: Start accepts. Automaton has 116678 states and 171478 transitions. Word has length 97 [2022-10-16 15:12:17,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:12:17,353 INFO L495 AbstractCegarLoop]: Abstraction has 116678 states and 171478 transitions. [2022-10-16 15:12:17,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 24.0) internal successors, (96), 5 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:12:17,354 INFO L276 IsEmpty]: Start isEmpty. Operand 116678 states and 171478 transitions. [2022-10-16 15:12:17,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 15:12:17,362 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:12:17,362 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:12:17,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-10-16 15:12:17,363 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:12:17,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:12:17,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1346336980, now seen corresponding path program 1 times [2022-10-16 15:12:17,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:12:17,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595879710] [2022-10-16 15:12:17,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:12:17,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:12:17,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:12:17,426 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:12:17,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:12:17,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595879710] [2022-10-16 15:12:17,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595879710] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:12:17,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:12:17,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:12:17,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850877806] [2022-10-16 15:12:17,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:12:17,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:12:17,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:12:17,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:12:17,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:12:17,429 INFO L87 Difference]: Start difference. First operand 116678 states and 171478 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:12:28,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:12:28,151 INFO L93 Difference]: Finished difference Result 341334 states and 499766 transitions. [2022-10-16 15:12:28,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:12:28,152 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 97 [2022-10-16 15:12:28,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:12:28,704 INFO L225 Difference]: With dead ends: 341334 [2022-10-16 15:12:28,704 INFO L226 Difference]: Without dead ends: 225010 [2022-10-16 15:12:28,824 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 15:12:28,830 INFO L413 NwaCegarLoop]: 211 mSDtfsCounter, 88 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 366 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 15:12:28,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 366 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:12:28,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225010 states. [2022-10-16 15:12:40,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225010 to 224998. [2022-10-16 15:12:40,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224998 states, 224986 states have (on average 1.4506413732410017) internal successors, (326374), 224997 states have internal predecessors, (326374), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:12:41,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224998 states to 224998 states and 326374 transitions. [2022-10-16 15:12:41,241 INFO L78 Accepts]: Start accepts. Automaton has 224998 states and 326374 transitions. Word has length 97 [2022-10-16 15:12:41,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:12:41,242 INFO L495 AbstractCegarLoop]: Abstraction has 224998 states and 326374 transitions. [2022-10-16 15:12:41,242 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:12:41,242 INFO L276 IsEmpty]: Start isEmpty. Operand 224998 states and 326374 transitions. [2022-10-16 15:12:41,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-16 15:12:41,254 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:12:41,254 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, 1, 1, 1] [2022-10-16 15:12:41,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 15:12:41,255 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:12:41,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:12:41,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1212378752, now seen corresponding path program 1 times [2022-10-16 15:12:41,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:12:41,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406569214] [2022-10-16 15:12:41,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:12:41,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:12:41,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:12:41,367 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-16 15:12:41,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:12:41,368 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406569214] [2022-10-16 15:12:41,368 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406569214] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:12:41,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:12:41,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:12:41,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666427811] [2022-10-16 15:12:41,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:12:41,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:12:41,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:12:41,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:12:41,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:12:41,370 INFO L87 Difference]: Start difference. First operand 224998 states and 326374 transitions. Second operand has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 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 15:12:56,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:12:56,630 INFO L93 Difference]: Finished difference Result 329374 states and 482406 transitions. [2022-10-16 15:12:56,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:12:56,630 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 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 97 [2022-10-16 15:12:56,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:12:57,180 INFO L225 Difference]: With dead ends: 329374 [2022-10-16 15:12:57,180 INFO L226 Difference]: Without dead ends: 329372 [2022-10-16 15:12:57,250 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 15:12:57,251 INFO L413 NwaCegarLoop]: 246 mSDtfsCounter, 479 mSDsluCounter, 246 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 479 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:12:57,251 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [479 Valid, 492 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:12:57,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329372 states. [2022-10-16 15:13:11,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329372 to 253614. [2022-10-16 15:13:11,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 253614 states, 253602 states have (on average 1.4521257718787706) internal successors, (368262), 253613 states have internal predecessors, (368262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:13:12,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253614 states to 253614 states and 368262 transitions. [2022-10-16 15:13:12,825 INFO L78 Accepts]: Start accepts. Automaton has 253614 states and 368262 transitions. Word has length 97 [2022-10-16 15:13:12,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:13:12,825 INFO L495 AbstractCegarLoop]: Abstraction has 253614 states and 368262 transitions. [2022-10-16 15:13:12,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 22.75) internal successors, (91), 5 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 15:13:12,826 INFO L276 IsEmpty]: Start isEmpty. Operand 253614 states and 368262 transitions. [2022-10-16 15:13:12,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-10-16 15:13:12,840 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:13:12,840 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:13:12,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 15:13:12,844 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2022-10-16 15:13:12,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:13:12,844 INFO L85 PathProgramCache]: Analyzing trace with hash -2037755834, now seen corresponding path program 1 times [2022-10-16 15:13:12,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:13:12,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819305564] [2022-10-16 15:13:12,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:13:12,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:13:12,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:13:12,996 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-16 15:13:12,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:13:12,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819305564] [2022-10-16 15:13:12,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819305564] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:13:12,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:13:12,997 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:13:12,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515103106] [2022-10-16 15:13:12,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:13:12,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:13:12,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:13:12,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:13:12,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:13:12,998 INFO L87 Difference]: Start difference. First operand 253614 states and 368262 transitions. Second operand has 5 states, 4 states have (on average 24.25) internal successors, (97), 5 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)