/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_floodmax.4.3.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 15:04:40,588 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 15:04:40,593 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 15:04:40,657 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 15:04:40,741 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 15:04:40,742 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 15:04:40,743 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 15:04:40,744 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 15:04:40,796 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 15:04:40,797 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 15:04:40,797 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 15:04:40,798 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 15:04:40,799 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 15:04:40,799 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 15:04:40,801 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 15:04:40,802 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 15:04:40,802 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 15:04:40,802 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 15:04:40,803 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 15:04:40,804 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 15:04:40,804 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 15:04:40,804 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 15:04:40,804 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 15:04:40,804 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 15:04:40,805 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 15:04:40,805 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 15:04:40,805 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 15:04:40,805 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 15:04:40,805 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 15:04:40,806 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 15:04:40,806 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 15:04:40,806 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 15:04:40,806 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 15:04:40,806 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 15:04:40,806 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:04:40,807 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 15:04:40,807 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 15:04:40,807 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 15:04:40,807 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 15:04:40,807 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 15:04:40,808 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 15:04:40,808 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 15:04:41,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 15:04:41,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 15:04:41,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 15:04:41,272 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 15:04:41,273 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 15:04:41,275 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.3.ufo.UNBOUNDED.pals.c [2022-10-16 15:04:41,353 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a97e88ee/eb9829ccc3844c2c8592b86d8eaa8acb/FLAG503c81a43 [2022-10-16 15:04:42,117 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 15:04:42,118 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/seq-mthreaded/pals_floodmax.4.3.ufo.UNBOUNDED.pals.c [2022-10-16 15:04:42,144 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a97e88ee/eb9829ccc3844c2c8592b86d8eaa8acb/FLAG503c81a43 [2022-10-16 15:04:42,162 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a97e88ee/eb9829ccc3844c2c8592b86d8eaa8acb [2022-10-16 15:04:42,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 15:04:42,171 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 15:04:42,173 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 15:04:42,174 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 15:04:42,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 15:04:42,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:04:42" (1/1) ... [2022-10-16 15:04:42,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28d05d51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:42, skipping insertion in model container [2022-10-16 15:04:42,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 03:04:42" (1/1) ... [2022-10-16 15:04:42,190 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 15:04:42,240 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 15:04:42,586 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_floodmax.4.3.ufo.UNBOUNDED.pals.c[28368,28381] [2022-10-16 15:04:42,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:04:42,605 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 15:04:42,712 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_floodmax.4.3.ufo.UNBOUNDED.pals.c[28368,28381] [2022-10-16 15:04:42,713 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 15:04:42,739 INFO L208 MainTranslator]: Completed translation [2022-10-16 15:04:42,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:42 WrapperNode [2022-10-16 15:04:42,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 15:04:42,745 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 15:04:42,746 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 15:04:42,746 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 15:04:42,754 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:42" (1/1) ... [2022-10-16 15:04:42,773 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:42" (1/1) ... [2022-10-16 15:04:42,881 INFO L138 Inliner]: procedures = 24, calls = 15, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 998 [2022-10-16 15:04:42,883 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 15:04:42,884 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 15:04:42,884 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 15:04:42,884 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 15:04:42,895 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:42" (1/1) ... [2022-10-16 15:04:42,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:42" (1/1) ... [2022-10-16 15:04:42,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:42" (1/1) ... [2022-10-16 15:04:42,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:42" (1/1) ... [2022-10-16 15:04:42,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:42" (1/1) ... [2022-10-16 15:04:42,966 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:42" (1/1) ... [2022-10-16 15:04:42,973 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:42" (1/1) ... [2022-10-16 15:04:42,986 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:42" (1/1) ... [2022-10-16 15:04:42,998 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 15:04:43,000 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 15:04:43,001 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 15:04:43,001 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 15:04:43,003 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:42" (1/1) ... [2022-10-16 15:04:43,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 15:04:43,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 15:04:43,043 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 15:04:43,071 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 15:04:43,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 15:04:43,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 15:04:43,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 15:04:43,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 15:04:43,385 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 15:04:43,390 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 15:04:44,843 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 15:04:44,866 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 15:04:44,867 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-16 15:04:44,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:04:44 BoogieIcfgContainer [2022-10-16 15:04:44,876 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 15:04:44,880 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 15:04:44,880 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 15:04:44,885 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 15:04:44,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 03:04:42" (1/3) ... [2022-10-16 15:04:44,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b69514f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:04:44, skipping insertion in model container [2022-10-16 15:04:44,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 03:04:42" (2/3) ... [2022-10-16 15:04:44,887 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b69514f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 03:04:44, skipping insertion in model container [2022-10-16 15:04:44,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 03:04:44" (3/3) ... [2022-10-16 15:04:44,888 INFO L112 eAbstractionObserver]: Analyzing ICFG pals_floodmax.4.3.ufo.UNBOUNDED.pals.c [2022-10-16 15:04:44,911 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 15:04:44,911 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 46 error locations. [2022-10-16 15:04:45,019 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 15:04:45,029 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;@53502ee7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 15:04:45,029 INFO L358 AbstractCegarLoop]: Starting to check reachability of 46 error locations. [2022-10-16 15:04:45,037 INFO L276 IsEmpty]: Start isEmpty. Operand has 399 states, 352 states have (on average 1.8323863636363635) internal successors, (645), 398 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:45,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-16 15:04:45,052 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:04:45,053 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 15:04:45,053 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:04:45,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:04:45,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1033662193, now seen corresponding path program 1 times [2022-10-16 15:04:45,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:04:45,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976217590] [2022-10-16 15:04:45,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:04:45,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:04:45,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:04:45,593 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 15:04:45,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:04:45,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976217590] [2022-10-16 15:04:45,595 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976217590] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:04:45,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:04:45,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:04:45,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692083143] [2022-10-16 15:04:45,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:04:45,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-16 15:04:45,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:04:45,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-16 15:04:45,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-16 15:04:45,643 INFO L87 Difference]: Start difference. First operand has 399 states, 352 states have (on average 1.8323863636363635) internal successors, (645), 398 states have internal predecessors, (645), 0 states have call successors, (0), 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, 2 states have (on average 29.5) internal successors, (59), 2 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 15:04:45,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:04:45,704 INFO L93 Difference]: Finished difference Result 595 states and 933 transitions. [2022-10-16 15:04:45,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-16 15:04:45,708 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 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 15:04:45,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:04:45,726 INFO L225 Difference]: With dead ends: 595 [2022-10-16 15:04:45,726 INFO L226 Difference]: Without dead ends: 386 [2022-10-16 15:04:45,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 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 15:04:45,735 INFO L413 NwaCegarLoop]: 630 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, 630 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 15:04:45,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 630 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:04:45,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2022-10-16 15:04:45,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 386. [2022-10-16 15:04:45,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 348 states have (on average 1.8074712643678161) internal successors, (629), 385 states have internal predecessors, (629), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:45,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 629 transitions. [2022-10-16 15:04:45,824 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 629 transitions. Word has length 59 [2022-10-16 15:04:45,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:04:45,825 INFO L495 AbstractCegarLoop]: Abstraction has 386 states and 629 transitions. [2022-10-16 15:04:45,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 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 15:04:45,826 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 629 transitions. [2022-10-16 15:04:45,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-10-16 15:04:45,830 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:04:45,831 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:04:45,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 15:04:45,832 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:04:45,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:04:45,832 INFO L85 PathProgramCache]: Analyzing trace with hash 404062639, now seen corresponding path program 1 times [2022-10-16 15:04:45,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:04:45,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155827635] [2022-10-16 15:04:45,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:04:45,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:04:45,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:04:46,271 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 15:04:46,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:04:46,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155827635] [2022-10-16 15:04:46,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155827635] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:04:46,274 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:04:46,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:04:46,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171547918] [2022-10-16 15:04:46,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:04:46,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:04:46,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:04:46,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:04:46,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:04:46,279 INFO L87 Difference]: Start difference. First operand 386 states and 629 transitions. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 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 15:04:46,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:04:46,445 INFO L93 Difference]: Finished difference Result 584 states and 908 transitions. [2022-10-16 15:04:46,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:04:46,446 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 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 73 [2022-10-16 15:04:46,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:04:46,452 INFO L225 Difference]: With dead ends: 584 [2022-10-16 15:04:46,453 INFO L226 Difference]: Without dead ends: 386 [2022-10-16 15:04:46,462 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 15:04:46,464 INFO L413 NwaCegarLoop]: 627 mSDtfsCounter, 3 mSDsluCounter, 1836 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 2463 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:04:46,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 2463 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:04:46,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2022-10-16 15:04:46,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 386. [2022-10-16 15:04:46,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 348 states have (on average 1.6867816091954022) internal successors, (587), 385 states have internal predecessors, (587), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:46,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 587 transitions. [2022-10-16 15:04:46,513 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 587 transitions. Word has length 73 [2022-10-16 15:04:46,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:04:46,514 INFO L495 AbstractCegarLoop]: Abstraction has 386 states and 587 transitions. [2022-10-16 15:04:46,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 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 15:04:46,514 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 587 transitions. [2022-10-16 15:04:46,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-10-16 15:04:46,520 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:04:46,520 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:04:46,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 15:04:46,521 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:04:46,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:04:46,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1451701943, now seen corresponding path program 1 times [2022-10-16 15:04:46,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:04:46,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973911685] [2022-10-16 15:04:46,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:04:46,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:04:46,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:04:46,787 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 15:04:46,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:04:46,788 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [973911685] [2022-10-16 15:04:46,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [973911685] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:04:46,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:04:46,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:04:46,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642460098] [2022-10-16 15:04:46,789 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:04:46,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:04:46,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:04:46,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:04:46,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:04:46,791 INFO L87 Difference]: Start difference. First operand 386 states and 587 transitions. Second operand has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:46,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:04:46,854 INFO L93 Difference]: Finished difference Result 739 states and 1092 transitions. [2022-10-16 15:04:46,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:04:46,854 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 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 114 [2022-10-16 15:04:46,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:04:46,858 INFO L225 Difference]: With dead ends: 739 [2022-10-16 15:04:46,859 INFO L226 Difference]: Without dead ends: 545 [2022-10-16 15:04:46,859 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 15:04:46,861 INFO L413 NwaCegarLoop]: 597 mSDtfsCounter, 221 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 221 SdHoareTripleChecker+Valid, 1131 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:04:46,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [221 Valid, 1131 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:04:46,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2022-10-16 15:04:46,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 517. [2022-10-16 15:04:46,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 479 states have (on average 1.6889352818371608) internal successors, (809), 516 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:46,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 809 transitions. [2022-10-16 15:04:46,882 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 809 transitions. Word has length 114 [2022-10-16 15:04:46,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:04:46,883 INFO L495 AbstractCegarLoop]: Abstraction has 517 states and 809 transitions. [2022-10-16 15:04:46,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.0) internal successors, (114), 3 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:46,884 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 809 transitions. [2022-10-16 15:04:46,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-16 15:04:46,887 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:04:46,888 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 15:04:46,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 15:04:46,888 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:04:46,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:04:46,889 INFO L85 PathProgramCache]: Analyzing trace with hash 1090417583, now seen corresponding path program 1 times [2022-10-16 15:04:46,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:04:46,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412347434] [2022-10-16 15:04:46,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:04:46,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:04:46,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:04:47,050 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 15:04:47,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:04:47,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412347434] [2022-10-16 15:04:47,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412347434] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:04:47,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:04:47,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:04:47,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458596738] [2022-10-16 15:04:47,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:04:47,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:04:47,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:04:47,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:04:47,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:04:47,054 INFO L87 Difference]: Start difference. First operand 517 states and 809 transitions. Second operand has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:47,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:04:47,100 INFO L93 Difference]: Finished difference Result 1149 states and 1769 transitions. [2022-10-16 15:04:47,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:04:47,101 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 117 [2022-10-16 15:04:47,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:04:47,106 INFO L225 Difference]: With dead ends: 1149 [2022-10-16 15:04:47,106 INFO L226 Difference]: Without dead ends: 824 [2022-10-16 15:04:47,107 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 15:04:47,109 INFO L413 NwaCegarLoop]: 584 mSDtfsCounter, 246 mSDsluCounter, 543 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 1127 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:04:47,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 1127 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:04:47,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 824 states. [2022-10-16 15:04:47,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 824 to 782. [2022-10-16 15:04:47,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 782 states, 744 states have (on average 1.6989247311827957) internal successors, (1264), 781 states have internal predecessors, (1264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:47,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 782 states and 1264 transitions. [2022-10-16 15:04:47,142 INFO L78 Accepts]: Start accepts. Automaton has 782 states and 1264 transitions. Word has length 117 [2022-10-16 15:04:47,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:04:47,143 INFO L495 AbstractCegarLoop]: Abstraction has 782 states and 1264 transitions. [2022-10-16 15:04:47,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:47,143 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1264 transitions. [2022-10-16 15:04:47,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-10-16 15:04:47,145 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:04:47,145 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:04:47,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 15:04:47,146 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:04:47,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:04:47,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1551377924, now seen corresponding path program 1 times [2022-10-16 15:04:47,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:04:47,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898545992] [2022-10-16 15:04:47,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:04:47,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:04:47,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:04:47,301 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 15:04:47,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:04:47,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898545992] [2022-10-16 15:04:47,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898545992] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:04:47,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:04:47,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:04:47,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358593199] [2022-10-16 15:04:47,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:04:47,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:04:47,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:04:47,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:04:47,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:04:47,305 INFO L87 Difference]: Start difference. First operand 782 states and 1264 transitions. Second operand has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:47,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:04:47,398 INFO L93 Difference]: Finished difference Result 1926 states and 3100 transitions. [2022-10-16 15:04:47,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:04:47,398 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 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 120 [2022-10-16 15:04:47,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:04:47,406 INFO L225 Difference]: With dead ends: 1926 [2022-10-16 15:04:47,407 INFO L226 Difference]: Without dead ends: 1336 [2022-10-16 15:04:47,408 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 15:04:47,409 INFO L413 NwaCegarLoop]: 584 mSDtfsCounter, 239 mSDsluCounter, 544 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 1128 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:04:47,410 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 1128 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:04:47,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1336 states. [2022-10-16 15:04:47,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1336 to 1290. [2022-10-16 15:04:47,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1290 states, 1252 states have (on average 1.7028753993610224) internal successors, (2132), 1289 states have internal predecessors, (2132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:47,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1290 states to 1290 states and 2132 transitions. [2022-10-16 15:04:47,461 INFO L78 Accepts]: Start accepts. Automaton has 1290 states and 2132 transitions. Word has length 120 [2022-10-16 15:04:47,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:04:47,462 INFO L495 AbstractCegarLoop]: Abstraction has 1290 states and 2132 transitions. [2022-10-16 15:04:47,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.0) internal successors, (120), 3 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:47,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1290 states and 2132 transitions. [2022-10-16 15:04:47,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-16 15:04:47,464 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:04:47,464 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:04:47,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 15:04:47,465 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:04:47,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:04:47,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1160820828, now seen corresponding path program 1 times [2022-10-16 15:04:47,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:04:47,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139780970] [2022-10-16 15:04:47,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:04:47,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:04:47,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:04:47,624 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 15:04:47,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:04:47,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139780970] [2022-10-16 15:04:47,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139780970] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:04:47,626 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:04:47,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:04:47,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157947612] [2022-10-16 15:04:47,626 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:04:47,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:04:47,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:04:47,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:04:47,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:04:47,628 INFO L87 Difference]: Start difference. First operand 1290 states and 2132 transitions. Second operand has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:47,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:04:47,716 INFO L93 Difference]: Finished difference Result 3414 states and 5636 transitions. [2022-10-16 15:04:47,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:04:47,716 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 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 123 [2022-10-16 15:04:47,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:04:47,730 INFO L225 Difference]: With dead ends: 3414 [2022-10-16 15:04:47,730 INFO L226 Difference]: Without dead ends: 2316 [2022-10-16 15:04:47,733 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 15:04:47,734 INFO L413 NwaCegarLoop]: 584 mSDtfsCounter, 232 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 232 SdHoareTripleChecker+Valid, 1129 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 15:04:47,734 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [232 Valid, 1129 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:04:47,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2316 states. [2022-10-16 15:04:47,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2316 to 2262. [2022-10-16 15:04:47,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2262 states, 2224 states have (on average 1.7014388489208634) internal successors, (3784), 2261 states have internal predecessors, (3784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:47,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2262 states to 2262 states and 3784 transitions. [2022-10-16 15:04:47,829 INFO L78 Accepts]: Start accepts. Automaton has 2262 states and 3784 transitions. Word has length 123 [2022-10-16 15:04:47,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:04:47,830 INFO L495 AbstractCegarLoop]: Abstraction has 2262 states and 3784 transitions. [2022-10-16 15:04:47,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.0) internal successors, (123), 3 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:47,830 INFO L276 IsEmpty]: Start isEmpty. Operand 2262 states and 3784 transitions. [2022-10-16 15:04:47,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-10-16 15:04:47,832 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:04:47,832 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:04:47,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 15:04:47,833 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:04:47,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:04:47,833 INFO L85 PathProgramCache]: Analyzing trace with hash 297940561, now seen corresponding path program 1 times [2022-10-16 15:04:47,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:04:47,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744268108] [2022-10-16 15:04:47,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:04:47,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:04:47,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:04:48,062 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 15:04:48,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:04:48,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744268108] [2022-10-16 15:04:48,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744268108] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:04:48,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:04:48,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:04:48,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812088833] [2022-10-16 15:04:48,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:04:48,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:04:48,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:04:48,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:04:48,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:04:48,065 INFO L87 Difference]: Start difference. First operand 2262 states and 3784 transitions. Second operand has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:48,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:04:48,302 INFO L93 Difference]: Finished difference Result 3893 states and 6536 transitions. [2022-10-16 15:04:48,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:04:48,303 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 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 126 [2022-10-16 15:04:48,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:04:48,325 INFO L225 Difference]: With dead ends: 3893 [2022-10-16 15:04:48,325 INFO L226 Difference]: Without dead ends: 3890 [2022-10-16 15:04:48,327 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 15:04:48,328 INFO L413 NwaCegarLoop]: 534 mSDtfsCounter, 457 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 457 SdHoareTripleChecker+Valid, 753 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:04:48,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [457 Valid, 753 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:04:48,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3890 states. [2022-10-16 15:04:48,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3890 to 3858. [2022-10-16 15:04:48,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3858 states, 3820 states have (on average 1.7005235602094242) internal successors, (6496), 3857 states have internal predecessors, (6496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:48,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3858 states to 3858 states and 6496 transitions. [2022-10-16 15:04:48,491 INFO L78 Accepts]: Start accepts. Automaton has 3858 states and 6496 transitions. Word has length 126 [2022-10-16 15:04:48,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:04:48,492 INFO L495 AbstractCegarLoop]: Abstraction has 3858 states and 6496 transitions. [2022-10-16 15:04:48,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 63.0) internal successors, (126), 3 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:48,492 INFO L276 IsEmpty]: Start isEmpty. Operand 3858 states and 6496 transitions. [2022-10-16 15:04:48,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-16 15:04:48,495 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:04:48,495 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:04:48,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 15:04:48,496 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:04:48,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:04:48,496 INFO L85 PathProgramCache]: Analyzing trace with hash 646224278, now seen corresponding path program 1 times [2022-10-16 15:04:48,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:04:48,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143656748] [2022-10-16 15:04:48,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:04:48,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:04:48,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:04:48,724 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 15:04:48,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:04:48,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143656748] [2022-10-16 15:04:48,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143656748] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:04:48,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:04:48,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 15:04:48,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113104268] [2022-10-16 15:04:48,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:04:48,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:04:48,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:04:48,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:04:48,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:04:48,730 INFO L87 Difference]: Start difference. First operand 3858 states and 6496 transitions. Second operand has 3 states, 2 states have (on average 63.5) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:48,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:04:48,997 INFO L93 Difference]: Finished difference Result 3893 states and 6496 transitions. [2022-10-16 15:04:48,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:04:48,998 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 63.5) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 127 [2022-10-16 15:04:48,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:04:49,020 INFO L225 Difference]: With dead ends: 3893 [2022-10-16 15:04:49,020 INFO L226 Difference]: Without dead ends: 3890 [2022-10-16 15:04:49,025 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 15:04:49,026 INFO L413 NwaCegarLoop]: 537 mSDtfsCounter, 453 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 453 SdHoareTripleChecker+Valid, 756 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:04:49,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [453 Valid, 756 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:04:49,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3890 states. [2022-10-16 15:04:49,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3890 to 3858. [2022-10-16 15:04:49,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3858 states, 3820 states have (on average 1.6900523560209424) internal successors, (6456), 3857 states have internal predecessors, (6456), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:49,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3858 states to 3858 states and 6456 transitions. [2022-10-16 15:04:49,220 INFO L78 Accepts]: Start accepts. Automaton has 3858 states and 6456 transitions. Word has length 127 [2022-10-16 15:04:49,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:04:49,221 INFO L495 AbstractCegarLoop]: Abstraction has 3858 states and 6456 transitions. [2022-10-16 15:04:49,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 63.5) internal successors, (127), 3 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:49,221 INFO L276 IsEmpty]: Start isEmpty. Operand 3858 states and 6456 transitions. [2022-10-16 15:04:49,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-10-16 15:04:49,224 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:04:49,224 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:04:49,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 15:04:49,225 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:04:49,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:04:49,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1441882381, now seen corresponding path program 1 times [2022-10-16 15:04:49,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:04:49,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833368214] [2022-10-16 15:04:49,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:04:49,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:04:49,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:04:49,423 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 15:04:49,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:04:49,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833368214] [2022-10-16 15:04:49,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833368214] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:04:49,424 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:04:49,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:04:49,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567824650] [2022-10-16 15:04:49,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:04:49,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:04:49,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:04:49,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:04:49,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:04:49,427 INFO L87 Difference]: Start difference. First operand 3858 states and 6456 transitions. Second operand has 5 states, 4 states have (on average 32.0) internal successors, (128), 5 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:49,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:04:49,968 INFO L93 Difference]: Finished difference Result 5597 states and 9252 transitions. [2022-10-16 15:04:49,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-10-16 15:04:49,969 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 32.0) internal successors, (128), 5 states have internal predecessors, (128), 0 states have call successors, (0), 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 128 [2022-10-16 15:04:49,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:04:50,001 INFO L225 Difference]: With dead ends: 5597 [2022-10-16 15:04:50,001 INFO L226 Difference]: Without dead ends: 5594 [2022-10-16 15:04:50,004 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 15:04:50,005 INFO L413 NwaCegarLoop]: 530 mSDtfsCounter, 1556 mSDsluCounter, 1735 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1556 SdHoareTripleChecker+Valid, 2265 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 15:04:50,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1556 Valid, 2265 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 15:04:50,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5594 states. [2022-10-16 15:04:50,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5594 to 4918. [2022-10-16 15:04:50,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4918 states, 4880 states have (on average 1.6795081967213115) internal successors, (8196), 4917 states have internal predecessors, (8196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:50,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4918 states to 4918 states and 8196 transitions. [2022-10-16 15:04:50,255 INFO L78 Accepts]: Start accepts. Automaton has 4918 states and 8196 transitions. Word has length 128 [2022-10-16 15:04:50,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:04:50,256 INFO L495 AbstractCegarLoop]: Abstraction has 4918 states and 8196 transitions. [2022-10-16 15:04:50,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 32.0) internal successors, (128), 5 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:50,256 INFO L276 IsEmpty]: Start isEmpty. Operand 4918 states and 8196 transitions. [2022-10-16 15:04:50,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-16 15:04:50,259 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:04:50,259 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:04:50,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 15:04:50,260 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:04:50,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:04:50,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1748679368, now seen corresponding path program 1 times [2022-10-16 15:04:50,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:04:50,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200415497] [2022-10-16 15:04:50,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:04:50,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:04:50,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:04:50,457 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 15:04:50,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:04:50,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200415497] [2022-10-16 15:04:50,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200415497] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:04:50,457 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:04:50,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 15:04:50,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983405665] [2022-10-16 15:04:50,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:04:50,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 15:04:50,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:04:50,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 15:04:50,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 15:04:50,460 INFO L87 Difference]: Start difference. First operand 4918 states and 8196 transitions. Second operand has 5 states, 4 states have (on average 32.25) internal successors, (129), 5 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:50,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:04:50,943 INFO L93 Difference]: Finished difference Result 6117 states and 10164 transitions. [2022-10-16 15:04:50,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 15:04:50,944 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 32.25) internal successors, (129), 5 states have internal predecessors, (129), 0 states have call successors, (0), 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 129 [2022-10-16 15:04:50,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:04:50,982 INFO L225 Difference]: With dead ends: 6117 [2022-10-16 15:04:50,982 INFO L226 Difference]: Without dead ends: 6111 [2022-10-16 15:04:50,986 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 15:04:50,987 INFO L413 NwaCegarLoop]: 527 mSDtfsCounter, 1513 mSDsluCounter, 1390 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1513 SdHoareTripleChecker+Valid, 1917 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:04:50,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1513 Valid, 1917 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:04:50,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6111 states. [2022-10-16 15:04:51,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6111 to 6050. [2022-10-16 15:04:51,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6050 states, 6012 states have (on average 1.6739853626081171) internal successors, (10064), 6049 states have internal predecessors, (10064), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:51,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6050 states to 6050 states and 10064 transitions. [2022-10-16 15:04:51,307 INFO L78 Accepts]: Start accepts. Automaton has 6050 states and 10064 transitions. Word has length 129 [2022-10-16 15:04:51,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:04:51,308 INFO L495 AbstractCegarLoop]: Abstraction has 6050 states and 10064 transitions. [2022-10-16 15:04:51,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 32.25) internal successors, (129), 5 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:51,308 INFO L276 IsEmpty]: Start isEmpty. Operand 6050 states and 10064 transitions. [2022-10-16 15:04:51,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-10-16 15:04:51,312 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:04:51,312 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:04:51,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 15:04:51,313 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:04:51,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:04:51,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1625515925, now seen corresponding path program 1 times [2022-10-16 15:04:51,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:04:51,314 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749090902] [2022-10-16 15:04:51,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:04:51,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:04:51,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:04:51,600 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 15:04:51,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:04:51,600 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749090902] [2022-10-16 15:04:51,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749090902] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:04:51,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:04:51,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:04:51,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787923056] [2022-10-16 15:04:51,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:04:51,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:04:51,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:04:51,603 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:04:51,603 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:04:51,604 INFO L87 Difference]: Start difference. First operand 6050 states and 10064 transitions. Second operand has 6 states, 5 states have (on average 26.0) internal successors, (130), 6 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:52,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:04:52,827 INFO L93 Difference]: Finished difference Result 18572 states and 30800 transitions. [2022-10-16 15:04:52,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-16 15:04:52,828 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.0) internal successors, (130), 6 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-10-16 15:04:52,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:04:52,862 INFO L225 Difference]: With dead ends: 18572 [2022-10-16 15:04:52,863 INFO L226 Difference]: Without dead ends: 12714 [2022-10-16 15:04:52,874 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2022-10-16 15:04:52,875 INFO L413 NwaCegarLoop]: 537 mSDtfsCounter, 2692 mSDsluCounter, 3438 mSDsCounter, 0 mSdLazyCounter, 649 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2692 SdHoareTripleChecker+Valid, 3975 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 649 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 15:04:52,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2692 Valid, 3975 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 649 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 15:04:52,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12714 states. [2022-10-16 15:04:53,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12714 to 10758. [2022-10-16 15:04:53,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10758 states, 10720 states have (on average 1.6625) internal successors, (17822), 10757 states have internal predecessors, (17822), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:53,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10758 states to 10758 states and 17822 transitions. [2022-10-16 15:04:53,383 INFO L78 Accepts]: Start accepts. Automaton has 10758 states and 17822 transitions. Word has length 130 [2022-10-16 15:04:53,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:04:53,383 INFO L495 AbstractCegarLoop]: Abstraction has 10758 states and 17822 transitions. [2022-10-16 15:04:53,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.0) internal successors, (130), 6 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:53,384 INFO L276 IsEmpty]: Start isEmpty. Operand 10758 states and 17822 transitions. [2022-10-16 15:04:53,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-10-16 15:04:53,395 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:04:53,395 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:04:53,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 15:04:53,396 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:04:53,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:04:53,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1198143046, now seen corresponding path program 1 times [2022-10-16 15:04:53,398 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:04:53,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271237603] [2022-10-16 15:04:53,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:04:53,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:04:53,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:04:53,548 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 15:04:53,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:04:53,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271237603] [2022-10-16 15:04:53,549 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271237603] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:04:53,549 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:04:53,549 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:04:53,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850734477] [2022-10-16 15:04:53,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:04:53,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:04:53,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:04:53,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:04:53,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:04:53,551 INFO L87 Difference]: Start difference. First operand 10758 states and 17822 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:54,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:04:54,126 INFO L93 Difference]: Finished difference Result 23673 states and 39259 transitions. [2022-10-16 15:04:54,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:04:54,127 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-10-16 15:04:54,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:04:54,175 INFO L225 Difference]: With dead ends: 23673 [2022-10-16 15:04:54,175 INFO L226 Difference]: Without dead ends: 16632 [2022-10-16 15:04:54,193 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 15:04:54,194 INFO L413 NwaCegarLoop]: 779 mSDtfsCounter, 244 mSDsluCounter, 557 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 1336 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 15:04:54,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 1336 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:04:54,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16632 states. [2022-10-16 15:04:54,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16632 to 16594. [2022-10-16 15:04:54,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16594 states, 16556 states have (on average 1.660727228799227) internal successors, (27495), 16593 states have internal predecessors, (27495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:55,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16594 states to 16594 states and 27495 transitions. [2022-10-16 15:04:55,029 INFO L78 Accepts]: Start accepts. Automaton has 16594 states and 27495 transitions. Word has length 130 [2022-10-16 15:04:55,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:04:55,030 INFO L495 AbstractCegarLoop]: Abstraction has 16594 states and 27495 transitions. [2022-10-16 15:04:55,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:55,030 INFO L276 IsEmpty]: Start isEmpty. Operand 16594 states and 27495 transitions. [2022-10-16 15:04:55,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-10-16 15:04:55,033 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:04:55,033 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:04:55,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 15:04:55,033 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:04:55,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:04:55,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1230368138, now seen corresponding path program 1 times [2022-10-16 15:04:55,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:04:55,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466625353] [2022-10-16 15:04:55,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:04:55,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:04:55,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:04:55,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 15:04:55,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:04:55,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466625353] [2022-10-16 15:04:55,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466625353] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:04:55,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:04:55,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:04:55,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884495630] [2022-10-16 15:04:55,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:04:55,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:04:55,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:04:55,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:04:55,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:04:55,161 INFO L87 Difference]: Start difference. First operand 16594 states and 27495 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:56,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:04:56,099 INFO L93 Difference]: Finished difference Result 36006 states and 60207 transitions. [2022-10-16 15:04:56,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:04:56,100 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2022-10-16 15:04:56,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:04:56,171 INFO L225 Difference]: With dead ends: 36006 [2022-10-16 15:04:56,171 INFO L226 Difference]: Without dead ends: 25386 [2022-10-16 15:04:56,190 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 15:04:56,191 INFO L413 NwaCegarLoop]: 785 mSDtfsCounter, 251 mSDsluCounter, 556 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 251 SdHoareTripleChecker+Valid, 1341 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 15:04:56,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [251 Valid, 1341 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:04:56,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25386 states. [2022-10-16 15:04:57,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25386 to 25348. [2022-10-16 15:04:57,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25348 states, 25310 states have (on average 1.6683524298696168) internal successors, (42226), 25347 states have internal predecessors, (42226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:57,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25348 states to 25348 states and 42226 transitions. [2022-10-16 15:04:57,263 INFO L78 Accepts]: Start accepts. Automaton has 25348 states and 42226 transitions. Word has length 130 [2022-10-16 15:04:57,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:04:57,263 INFO L495 AbstractCegarLoop]: Abstraction has 25348 states and 42226 transitions. [2022-10-16 15:04:57,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 3 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:57,264 INFO L276 IsEmpty]: Start isEmpty. Operand 25348 states and 42226 transitions. [2022-10-16 15:04:57,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-10-16 15:04:57,266 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:04:57,266 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:04:57,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 15:04:57,266 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:04:57,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:04:57,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1148612390, now seen corresponding path program 1 times [2022-10-16 15:04:57,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:04:57,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217860540] [2022-10-16 15:04:57,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:04:57,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:04:57,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:04:57,615 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 15:04:57,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:04:57,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217860540] [2022-10-16 15:04:57,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217860540] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:04:57,616 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:04:57,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 15:04:57,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991758128] [2022-10-16 15:04:57,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:04:57,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-16 15:04:57,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:04:57,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-16 15:04:57,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-10-16 15:04:57,619 INFO L87 Difference]: Start difference. First operand 25348 states and 42226 transitions. Second operand has 6 states, 5 states have (on average 26.2) internal successors, (131), 6 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:04:59,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:04:59,254 INFO L93 Difference]: Finished difference Result 34758 states and 58047 transitions. [2022-10-16 15:04:59,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-16 15:04:59,254 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.2) internal successors, (131), 6 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 131 [2022-10-16 15:04:59,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:04:59,357 INFO L225 Difference]: With dead ends: 34758 [2022-10-16 15:04:59,357 INFO L226 Difference]: Without dead ends: 34755 [2022-10-16 15:04:59,371 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 15:04:59,371 INFO L413 NwaCegarLoop]: 521 mSDtfsCounter, 2953 mSDsluCounter, 2347 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2953 SdHoareTripleChecker+Valid, 2868 SdHoareTripleChecker+Invalid, 474 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 15:04:59,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2953 Valid, 2868 Invalid, 474 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 15:04:59,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34755 states. [2022-10-16 15:05:00,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34755 to 34613. [2022-10-16 15:05:00,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34613 states, 34575 states have (on average 1.6622125813449025) internal successors, (57471), 34612 states have internal predecessors, (57471), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:05:00,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34613 states to 34613 states and 57471 transitions. [2022-10-16 15:05:00,977 INFO L78 Accepts]: Start accepts. Automaton has 34613 states and 57471 transitions. Word has length 131 [2022-10-16 15:05:00,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:05:00,977 INFO L495 AbstractCegarLoop]: Abstraction has 34613 states and 57471 transitions. [2022-10-16 15:05:00,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.2) internal successors, (131), 6 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:05:00,978 INFO L276 IsEmpty]: Start isEmpty. Operand 34613 states and 57471 transitions. [2022-10-16 15:05:00,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-16 15:05:00,980 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:05:00,980 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:05:00,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 15:05:00,981 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:05:00,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:05:00,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1417548118, now seen corresponding path program 1 times [2022-10-16 15:05:00,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:05:00,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854134060] [2022-10-16 15:05:00,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:05:00,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:05:01,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:05:01,093 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 15:05:01,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:05:01,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854134060] [2022-10-16 15:05:01,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854134060] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:05:01,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:05:01,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:05:01,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402372278] [2022-10-16 15:05:01,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:05:01,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:05:01,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:05:01,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:05:01,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:05:01,096 INFO L87 Difference]: Start difference. First operand 34613 states and 57471 transitions. Second operand has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:05:03,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:05:03,105 INFO L93 Difference]: Finished difference Result 76692 states and 127281 transitions. [2022-10-16 15:05:03,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:05:03,106 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 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 132 [2022-10-16 15:05:03,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:05:03,250 INFO L225 Difference]: With dead ends: 76692 [2022-10-16 15:05:03,250 INFO L226 Difference]: Without dead ends: 53485 [2022-10-16 15:05:03,289 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 15:05:03,290 INFO L413 NwaCegarLoop]: 777 mSDtfsCounter, 237 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 237 SdHoareTripleChecker+Valid, 1335 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 15:05:03,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [237 Valid, 1335 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:05:03,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53485 states. [2022-10-16 15:05:05,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53485 to 53447. [2022-10-16 15:05:05,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53447 states, 53409 states have (on average 1.6572113314235428) internal successors, (88510), 53446 states have internal predecessors, (88510), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:05:05,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53447 states to 53447 states and 88510 transitions. [2022-10-16 15:05:05,710 INFO L78 Accepts]: Start accepts. Automaton has 53447 states and 88510 transitions. Word has length 132 [2022-10-16 15:05:05,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:05:05,710 INFO L495 AbstractCegarLoop]: Abstraction has 53447 states and 88510 transitions. [2022-10-16 15:05:05,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.0) internal successors, (132), 3 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:05:05,710 INFO L276 IsEmpty]: Start isEmpty. Operand 53447 states and 88510 transitions. [2022-10-16 15:05:05,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-10-16 15:05:05,712 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:05:05,712 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:05:05,713 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-10-16 15:05:05,713 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:05:05,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:05:05,714 INFO L85 PathProgramCache]: Analyzing trace with hash -9864036, now seen corresponding path program 1 times [2022-10-16 15:05:05,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:05:05,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068719910] [2022-10-16 15:05:05,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:05:05,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:05:05,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:05:06,028 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 15:05:06,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:05:06,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068719910] [2022-10-16 15:05:06,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068719910] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:05:06,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:05:06,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:05:06,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903269615] [2022-10-16 15:05:06,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:05:06,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:05:06,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:05:06,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:05:06,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:05:06,033 INFO L87 Difference]: Start difference. First operand 53447 states and 88510 transitions. Second operand has 4 states, 3 states have (on average 44.333333333333336) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:05:08,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:05:08,618 INFO L93 Difference]: Finished difference Result 149351 states and 247806 transitions. [2022-10-16 15:05:08,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:05:08,618 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 44.333333333333336) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 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 133 [2022-10-16 15:05:08,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:05:09,043 INFO L225 Difference]: With dead ends: 149351 [2022-10-16 15:05:09,043 INFO L226 Difference]: Without dead ends: 96124 [2022-10-16 15:05:09,103 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 15:05:09,104 INFO L413 NwaCegarLoop]: 518 mSDtfsCounter, 784 mSDsluCounter, 1014 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 784 SdHoareTripleChecker+Valid, 1532 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:05:09,104 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [784 Valid, 1532 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:05:09,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96124 states. [2022-10-16 15:05:12,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96124 to 82001. [2022-10-16 15:05:12,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82001 states, 81963 states have (on average 1.6482071178458573) internal successors, (135092), 82000 states have internal predecessors, (135092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:05:12,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82001 states to 82001 states and 135092 transitions. [2022-10-16 15:05:12,874 INFO L78 Accepts]: Start accepts. Automaton has 82001 states and 135092 transitions. Word has length 133 [2022-10-16 15:05:12,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:05:12,874 INFO L495 AbstractCegarLoop]: Abstraction has 82001 states and 135092 transitions. [2022-10-16 15:05:12,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 44.333333333333336) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:05:12,875 INFO L276 IsEmpty]: Start isEmpty. Operand 82001 states and 135092 transitions. [2022-10-16 15:05:12,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-10-16 15:05:12,877 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:05:12,877 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:05:12,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 15:05:12,877 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:05:12,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:05:12,878 INFO L85 PathProgramCache]: Analyzing trace with hash -305783622, now seen corresponding path program 1 times [2022-10-16 15:05:12,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:05:12,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954364413] [2022-10-16 15:05:12,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:05:12,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:05:12,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:05:13,039 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 15:05:13,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:05:13,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954364413] [2022-10-16 15:05:13,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954364413] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:05:13,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:05:13,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:05:13,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213944376] [2022-10-16 15:05:13,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:05:13,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:05:13,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:05:13,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:05:13,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:05:13,042 INFO L87 Difference]: Start difference. First operand 82001 states and 135092 transitions. Second operand has 4 states, 3 states have (on average 44.666666666666664) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:05:15,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:05:15,841 INFO L93 Difference]: Finished difference Result 108534 states and 180282 transitions. [2022-10-16 15:05:15,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:05:15,842 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 44.666666666666664) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 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 134 [2022-10-16 15:05:15,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:05:16,124 INFO L225 Difference]: With dead ends: 108534 [2022-10-16 15:05:16,124 INFO L226 Difference]: Without dead ends: 108533 [2022-10-16 15:05:16,151 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 15:05:16,154 INFO L413 NwaCegarLoop]: 511 mSDtfsCounter, 787 mSDsluCounter, 788 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 787 SdHoareTripleChecker+Valid, 1299 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:05:16,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [787 Valid, 1299 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:05:16,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108533 states. [2022-10-16 15:05:19,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108533 to 108383. [2022-10-16 15:05:19,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108383 states, 108345 states have (on average 1.6551848262494808) internal successors, (179331), 108382 states have internal predecessors, (179331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:05:20,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108383 states to 108383 states and 179331 transitions. [2022-10-16 15:05:20,123 INFO L78 Accepts]: Start accepts. Automaton has 108383 states and 179331 transitions. Word has length 134 [2022-10-16 15:05:20,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:05:20,129 INFO L495 AbstractCegarLoop]: Abstraction has 108383 states and 179331 transitions. [2022-10-16 15:05:20,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 44.666666666666664) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:05:20,130 INFO L276 IsEmpty]: Start isEmpty. Operand 108383 states and 179331 transitions. [2022-10-16 15:05:20,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-10-16 15:05:20,135 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:05:20,135 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:05:20,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 15:05:20,136 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:05:20,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:05:20,136 INFO L85 PathProgramCache]: Analyzing trace with hash -463154626, now seen corresponding path program 1 times [2022-10-16 15:05:20,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:05:20,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880560503] [2022-10-16 15:05:20,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:05:20,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:05:20,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:05:20,276 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 15:05:20,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:05:20,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880560503] [2022-10-16 15:05:20,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880560503] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:05:20,277 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:05:20,277 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:05:20,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983864859] [2022-10-16 15:05:20,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:05:20,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 15:05:20,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:05:20,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 15:05:20,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 15:05:20,278 INFO L87 Difference]: Start difference. First operand 108383 states and 179331 transitions. Second operand has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:05:24,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:05:24,504 INFO L93 Difference]: Finished difference Result 215389 states and 356870 transitions. [2022-10-16 15:05:24,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 15:05:24,505 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 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 134 [2022-10-16 15:05:24,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:05:24,973 INFO L225 Difference]: With dead ends: 215389 [2022-10-16 15:05:24,974 INFO L226 Difference]: Without dead ends: 156165 [2022-10-16 15:05:25,093 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 15:05:25,095 INFO L413 NwaCegarLoop]: 759 mSDtfsCounter, 230 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 1318 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 15:05:25,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 1318 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 15:05:25,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156165 states. [2022-10-16 15:05:30,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156165 to 156127. [2022-10-16 15:05:30,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156127 states, 156089 states have (on average 1.6522624912710056) internal successors, (257900), 156126 states have internal predecessors, (257900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:05:30,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156127 states to 156127 states and 257900 transitions. [2022-10-16 15:05:30,748 INFO L78 Accepts]: Start accepts. Automaton has 156127 states and 257900 transitions. Word has length 134 [2022-10-16 15:05:30,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:05:30,748 INFO L495 AbstractCegarLoop]: Abstraction has 156127 states and 257900 transitions. [2022-10-16 15:05:30,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:05:30,749 INFO L276 IsEmpty]: Start isEmpty. Operand 156127 states and 257900 transitions. [2022-10-16 15:05:30,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-10-16 15:05:30,750 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:05:30,751 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:05:30,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-10-16 15:05:30,751 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:05:30,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:05:30,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1800236708, now seen corresponding path program 1 times [2022-10-16 15:05:30,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:05:30,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405753506] [2022-10-16 15:05:30,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:05:30,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:05:30,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:05:30,890 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 15:05:30,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:05:30,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405753506] [2022-10-16 15:05:30,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405753506] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:05:30,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:05:30,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:05:30,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471499525] [2022-10-16 15:05:30,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:05:30,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:05:30,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:05:30,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:05:30,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:05:30,893 INFO L87 Difference]: Start difference. First operand 156127 states and 257900 transitions. Second operand has 4 states, 3 states have (on average 45.333333333333336) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:05:37,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:05:37,837 INFO L93 Difference]: Finished difference Result 394704 states and 653289 transitions. [2022-10-16 15:05:37,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:05:37,838 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 45.333333333333336) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 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 136 [2022-10-16 15:05:37,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:05:38,531 INFO L225 Difference]: With dead ends: 394704 [2022-10-16 15:05:38,531 INFO L226 Difference]: Without dead ends: 238810 [2022-10-16 15:05:38,638 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 15:05:38,651 INFO L413 NwaCegarLoop]: 518 mSDtfsCounter, 789 mSDsluCounter, 1213 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 789 SdHoareTripleChecker+Valid, 1731 SdHoareTripleChecker+Invalid, 281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 15:05:38,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [789 Valid, 1731 Invalid, 281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 15:05:38,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238810 states. [2022-10-16 15:05:45,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238810 to 214685. [2022-10-16 15:05:45,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214685 states, 214647 states have (on average 1.642734349886092) internal successors, (352608), 214684 states have internal predecessors, (352608), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:05:46,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214685 states to 214685 states and 352608 transitions. [2022-10-16 15:05:46,926 INFO L78 Accepts]: Start accepts. Automaton has 214685 states and 352608 transitions. Word has length 136 [2022-10-16 15:05:46,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:05:46,926 INFO L495 AbstractCegarLoop]: Abstraction has 214685 states and 352608 transitions. [2022-10-16 15:05:46,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 45.333333333333336) internal successors, (136), 4 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:05:46,927 INFO L276 IsEmpty]: Start isEmpty. Operand 214685 states and 352608 transitions. [2022-10-16 15:05:46,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-10-16 15:05:46,928 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:05:46,928 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:05:46,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-10-16 15:05:46,929 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:05:46,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:05:46,929 INFO L85 PathProgramCache]: Analyzing trace with hash 27238401, now seen corresponding path program 1 times [2022-10-16 15:05:46,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:05:46,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484117842] [2022-10-16 15:05:46,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:05:46,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:05:46,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:05:47,067 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 15:05:47,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:05:47,067 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484117842] [2022-10-16 15:05:47,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484117842] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:05:47,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:05:47,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:05:47,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479686578] [2022-10-16 15:05:47,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:05:47,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:05:47,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:05:47,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:05:47,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:05:47,070 INFO L87 Difference]: Start difference. First operand 214685 states and 352608 transitions. Second operand has 4 states, 3 states have (on average 45.666666666666664) internal successors, (137), 4 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:05:55,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:05:55,003 INFO L93 Difference]: Finished difference Result 305973 states and 506040 transitions. [2022-10-16 15:05:55,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:05:55,004 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 45.666666666666664) internal successors, (137), 4 states have internal predecessors, (137), 0 states have call successors, (0), 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 137 [2022-10-16 15:05:55,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:05:55,618 INFO L225 Difference]: With dead ends: 305973 [2022-10-16 15:05:55,619 INFO L226 Difference]: Without dead ends: 305972 [2022-10-16 15:05:55,688 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 15:05:55,689 INFO L413 NwaCegarLoop]: 512 mSDtfsCounter, 781 mSDsluCounter, 790 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 781 SdHoareTripleChecker+Valid, 1302 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:05:55,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [781 Valid, 1302 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:05:55,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305972 states. [2022-10-16 15:06:05,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305972 to 305513. [2022-10-16 15:06:06,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305513 states, 305475 states have (on average 1.6472673704885834) internal successors, (503199), 305512 states have internal predecessors, (503199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:06:07,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305513 states to 305513 states and 503199 transitions. [2022-10-16 15:06:07,834 INFO L78 Accepts]: Start accepts. Automaton has 305513 states and 503199 transitions. Word has length 137 [2022-10-16 15:06:07,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:06:07,834 INFO L495 AbstractCegarLoop]: Abstraction has 305513 states and 503199 transitions. [2022-10-16 15:06:07,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 45.666666666666664) internal successors, (137), 4 states have internal predecessors, (137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:06:07,835 INFO L276 IsEmpty]: Start isEmpty. Operand 305513 states and 503199 transitions. [2022-10-16 15:06:07,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-10-16 15:06:07,836 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:06:07,836 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:06:07,836 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-10-16 15:06:07,836 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:06:07,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:06:07,837 INFO L85 PathProgramCache]: Analyzing trace with hash 406347715, now seen corresponding path program 1 times [2022-10-16 15:06:07,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:06:07,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841541554] [2022-10-16 15:06:07,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:06:07,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:06:07,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:06:07,997 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 15:06:07,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:06:07,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841541554] [2022-10-16 15:06:07,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841541554] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:06:07,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:06:07,999 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:06:07,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939654260] [2022-10-16 15:06:07,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:06:08,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:06:08,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:06:08,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:06:08,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:06:08,001 INFO L87 Difference]: Start difference. First operand 305513 states and 503199 transitions. Second operand has 4 states, 3 states have (on average 46.333333333333336) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:06:25,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:06:25,984 INFO L93 Difference]: Finished difference Result 855626 states and 1416701 transitions. [2022-10-16 15:06:25,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 15:06:25,985 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 46.333333333333336) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 139 [2022-10-16 15:06:25,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:06:27,945 INFO L225 Difference]: With dead ends: 855626 [2022-10-16 15:06:27,946 INFO L226 Difference]: Without dead ends: 550346 [2022-10-16 15:06:28,358 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 15:06:28,362 INFO L413 NwaCegarLoop]: 538 mSDtfsCounter, 785 mSDsluCounter, 1267 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 785 SdHoareTripleChecker+Valid, 1805 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 15:06:28,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [785 Valid, 1805 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 15:06:28,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550346 states. [2022-10-16 15:06:46,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550346 to 440551. [2022-10-16 15:06:47,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 440551 states, 440513 states have (on average 1.6437403663456016) internal successors, (724089), 440550 states have internal predecessors, (724089), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:06:49,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440551 states to 440551 states and 724089 transitions. [2022-10-16 15:06:49,564 INFO L78 Accepts]: Start accepts. Automaton has 440551 states and 724089 transitions. Word has length 139 [2022-10-16 15:06:49,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 15:06:49,569 INFO L495 AbstractCegarLoop]: Abstraction has 440551 states and 724089 transitions. [2022-10-16 15:06:49,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 46.333333333333336) internal successors, (139), 4 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:06:49,569 INFO L276 IsEmpty]: Start isEmpty. Operand 440551 states and 724089 transitions. [2022-10-16 15:06:49,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-10-16 15:06:49,570 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 15:06:49,570 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:06:49,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-10-16 15:06:49,570 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 43 more)] === [2022-10-16 15:06:49,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 15:06:49,571 INFO L85 PathProgramCache]: Analyzing trace with hash -288121215, now seen corresponding path program 1 times [2022-10-16 15:06:49,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 15:06:49,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124514102] [2022-10-16 15:06:49,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 15:06:49,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 15:06:49,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 15:06:49,709 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 15:06:49,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 15:06:49,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124514102] [2022-10-16 15:06:49,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124514102] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 15:06:49,709 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 15:06:49,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 15:06:49,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355124520] [2022-10-16 15:06:49,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 15:06:49,710 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 15:06:49,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 15:06:49,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 15:06:49,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 15:06:49,711 INFO L87 Difference]: Start difference. First operand 440551 states and 724089 transitions. Second operand has 4 states, 3 states have (on average 46.666666666666664) internal successors, (140), 4 states have internal predecessors, (140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 15:07:08,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 15:07:08,257 INFO L93 Difference]: Finished difference Result 651107 states and 1073415 transitions. [2022-10-16 15:07:08,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 15:07:08,259 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 46.666666666666664) internal successors, (140), 4 states have internal predecessors, (140), 0 states have call successors, (0), 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 140 [2022-10-16 15:07:08,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 15:07:10,170 INFO L225 Difference]: With dead ends: 651107 [2022-10-16 15:07:10,170 INFO L226 Difference]: Without dead ends: 651106 [2022-10-16 15:07:10,373 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 15:07:10,374 INFO L413 NwaCegarLoop]: 532 mSDtfsCounter, 777 mSDsluCounter, 812 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 777 SdHoareTripleChecker+Valid, 1344 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 15:07:10,374 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [777 Valid, 1344 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 15:07:10,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 651106 states. [2022-10-16 15:07:38,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 651106 to 650089.