/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/systemc/mem_slave_tlm.5.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-16 16:58:40,988 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-16 16:58:40,993 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-16 16:58:41,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-10-16 16:58:41,056 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-16 16:58:41,058 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-16 16:58:41,059 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-16 16:58:41,061 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-16 16:58:41,062 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-16 16:58:41,063 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-16 16:58:41,065 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-16 16:58:41,068 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-16 16:58:41,070 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-16 16:58:41,072 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-16 16:58:41,073 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-16 16:58:41,075 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-16 16:58:41,080 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-16 16:58:41,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-16 16:58:41,092 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-16 16:58:41,093 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-16 16:58:41,094 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Overflow-32bit-Automizer_Default.epf [2022-10-16 16:58:41,125 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-16 16:58:41,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-16 16:58:41,126 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-16 16:58:41,126 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-16 16:58:41,127 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-16 16:58:41,127 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-16 16:58:41,128 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-16 16:58:41,128 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-16 16:58:41,129 INFO L138 SettingsManager]: * Use SBE=true [2022-10-16 16:58:41,129 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-16 16:58:41,129 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-16 16:58:41,129 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-16 16:58:41,130 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-16 16:58:41,130 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-16 16:58:41,130 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-16 16:58:41,130 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-16 16:58:41,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-16 16:58:41,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-16 16:58:41,131 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-16 16:58:41,131 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-16 16:58:41,132 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-16 16:58:41,132 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-16 16:58:41,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-16 16:58:41,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-16 16:58:41,133 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-16 16:58:41,133 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-16 16:58:41,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:58:41,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-16 16:58:41,134 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-16 16:58:41,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-16 16:58:41,134 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-16 16:58:41,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-16 16:58:41,134 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-16 16:58:41,137 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-16 16:58:41,510 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-16 16:58:41,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-16 16:58:41,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-16 16:58:41,543 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-16 16:58:41,544 INFO L275 PluginConnector]: CDTParser initialized [2022-10-16 16:58:41,545 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/systemc/mem_slave_tlm.5.cil.c [2022-10-16 16:58:41,632 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c0562576/74c62768ea5f49619418693feb5ad8d6/FLAG99fc025a7 [2022-10-16 16:58:42,390 INFO L306 CDTParser]: Found 1 translation units. [2022-10-16 16:58:42,391 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/systemc/mem_slave_tlm.5.cil.c [2022-10-16 16:58:42,425 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c0562576/74c62768ea5f49619418693feb5ad8d6/FLAG99fc025a7 [2022-10-16 16:58:42,689 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c0562576/74c62768ea5f49619418693feb5ad8d6 [2022-10-16 16:58:42,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-16 16:58:42,703 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-16 16:58:42,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-16 16:58:42,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-16 16:58:42,712 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-16 16:58:42,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:58:42" (1/1) ... [2022-10-16 16:58:42,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5925a172 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:58:42, skipping insertion in model container [2022-10-16 16:58:42,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 04:58:42" (1/1) ... [2022-10-16 16:58:42,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-16 16:58:42,804 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-16 16:58:43,043 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/systemc/mem_slave_tlm.5.cil.c[646,659] [2022-10-16 16:58:43,257 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:58:43,270 INFO L203 MainTranslator]: Completed pre-run [2022-10-16 16:58:43,284 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/systemc/mem_slave_tlm.5.cil.c[646,659] [2022-10-16 16:58:43,359 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-16 16:58:43,383 INFO L208 MainTranslator]: Completed translation [2022-10-16 16:58:43,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:58:43 WrapperNode [2022-10-16 16:58:43,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-16 16:58:43,386 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-16 16:58:43,386 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-16 16:58:43,386 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-16 16:58:43,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:58:43" (1/1) ... [2022-10-16 16:58:43,429 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:58:43" (1/1) ... [2022-10-16 16:58:43,494 INFO L138 Inliner]: procedures = 19, calls = 18, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 874 [2022-10-16 16:58:43,495 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-16 16:58:43,496 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-16 16:58:43,496 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-16 16:58:43,496 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-16 16:58:43,508 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:58:43" (1/1) ... [2022-10-16 16:58:43,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:58:43" (1/1) ... [2022-10-16 16:58:43,512 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:58:43" (1/1) ... [2022-10-16 16:58:43,513 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:58:43" (1/1) ... [2022-10-16 16:58:43,540 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:58:43" (1/1) ... [2022-10-16 16:58:43,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:58:43" (1/1) ... [2022-10-16 16:58:43,581 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:58:43" (1/1) ... [2022-10-16 16:58:43,588 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:58:43" (1/1) ... [2022-10-16 16:58:43,601 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-16 16:58:43,602 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-16 16:58:43,603 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-16 16:58:43,603 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-16 16:58:43,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:58:43" (1/1) ... [2022-10-16 16:58:43,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-16 16:58:43,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:58:43,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-16 16:58:43,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-16 16:58:43,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-16 16:58:43,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-16 16:58:43,732 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-10-16 16:58:43,733 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-10-16 16:58:43,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-16 16:58:43,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-16 16:58:43,835 INFO L235 CfgBuilder]: Building ICFG [2022-10-16 16:58:43,838 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-16 16:58:44,877 INFO L276 CfgBuilder]: Performing block encoding [2022-10-16 16:58:44,892 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-16 16:58:44,892 INFO L300 CfgBuilder]: Removed 13 assume(true) statements. [2022-10-16 16:58:44,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:58:44 BoogieIcfgContainer [2022-10-16 16:58:44,896 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-16 16:58:44,898 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-16 16:58:44,899 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-16 16:58:44,905 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-16 16:58:44,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 04:58:42" (1/3) ... [2022-10-16 16:58:44,906 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3893aeb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:58:44, skipping insertion in model container [2022-10-16 16:58:44,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 04:58:43" (2/3) ... [2022-10-16 16:58:44,907 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3893aeb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 04:58:44, skipping insertion in model container [2022-10-16 16:58:44,907 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 04:58:44" (3/3) ... [2022-10-16 16:58:44,909 INFO L112 eAbstractionObserver]: Analyzing ICFG mem_slave_tlm.5.cil.c [2022-10-16 16:58:44,931 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-16 16:58:44,932 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-10-16 16:58:45,012 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-16 16:58:45,022 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;@603d0c5b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-16 16:58:45,022 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-10-16 16:58:45,030 INFO L276 IsEmpty]: Start isEmpty. Operand has 293 states, 278 states have (on average 1.8597122302158273) internal successors, (517), 291 states have internal predecessors, (517), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2022-10-16 16:58:45,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-16 16:58:45,041 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:58:45,042 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] [2022-10-16 16:58:45,043 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:58:45,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:58:45,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1773166344, now seen corresponding path program 1 times [2022-10-16 16:58:45,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:58:45,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536885232] [2022-10-16 16:58:45,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:58:45,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:58:45,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:45,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:58:45,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:58:45,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536885232] [2022-10-16 16:58:45,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536885232] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:58:45,401 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:58:45,401 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:58:45,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222085626] [2022-10-16 16:58:45,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:58:45,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:58:45,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:58:45,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:58:45,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:58:45,464 INFO L87 Difference]: Start difference. First operand has 293 states, 278 states have (on average 1.8597122302158273) internal successors, (517), 291 states have internal predecessors, (517), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:58:45,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:58:45,882 INFO L93 Difference]: Finished difference Result 778 states and 1395 transitions. [2022-10-16 16:58:45,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:58:45,885 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2022-10-16 16:58:45,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:58:45,901 INFO L225 Difference]: With dead ends: 778 [2022-10-16 16:58:45,902 INFO L226 Difference]: Without dead ends: 470 [2022-10-16 16:58:45,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:58:45,912 INFO L413 NwaCegarLoop]: 497 mSDtfsCounter, 285 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 825 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:58:45,913 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 825 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:58:45,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2022-10-16 16:58:46,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 456. [2022-10-16 16:58:46,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 456 states, 448 states have (on average 1.6004464285714286) internal successors, (717), 455 states have internal predecessors, (717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:58:46,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 456 states and 717 transitions. [2022-10-16 16:58:46,076 INFO L78 Accepts]: Start accepts. Automaton has 456 states and 717 transitions. Word has length 20 [2022-10-16 16:58:46,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:58:46,077 INFO L495 AbstractCegarLoop]: Abstraction has 456 states and 717 transitions. [2022-10-16 16:58:46,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:58:46,079 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 717 transitions. [2022-10-16 16:58:46,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-16 16:58:46,080 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:58:46,081 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:58:46,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-16 16:58:46,081 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:58:46,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:58:46,083 INFO L85 PathProgramCache]: Analyzing trace with hash 282207273, now seen corresponding path program 1 times [2022-10-16 16:58:46,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:58:46,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294657546] [2022-10-16 16:58:46,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:58:46,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:58:46,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:46,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:58:46,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:58:46,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294657546] [2022-10-16 16:58:46,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294657546] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:58:46,247 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:58:46,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:58:46,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184307599] [2022-10-16 16:58:46,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:58:46,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:58:46,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:58:46,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:58:46,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:58:46,251 INFO L87 Difference]: Start difference. First operand 456 states and 717 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:58:46,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:58:46,377 INFO L93 Difference]: Finished difference Result 1241 states and 1977 transitions. [2022-10-16 16:58:46,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:58:46,378 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2022-10-16 16:58:46,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:58:46,384 INFO L225 Difference]: With dead ends: 1241 [2022-10-16 16:58:46,384 INFO L226 Difference]: Without dead ends: 799 [2022-10-16 16:58:46,392 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 16:58:46,394 INFO L413 NwaCegarLoop]: 770 mSDtfsCounter, 406 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 406 SdHoareTripleChecker+Valid, 1199 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:58:46,395 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [406 Valid, 1199 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:58:46,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2022-10-16 16:58:46,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 698. [2022-10-16 16:58:46,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 698 states, 690 states have (on average 1.5869565217391304) internal successors, (1095), 697 states have internal predecessors, (1095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:58:46,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 698 states and 1095 transitions. [2022-10-16 16:58:46,463 INFO L78 Accepts]: Start accepts. Automaton has 698 states and 1095 transitions. Word has length 24 [2022-10-16 16:58:46,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:58:46,464 INFO L495 AbstractCegarLoop]: Abstraction has 698 states and 1095 transitions. [2022-10-16 16:58:46,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:58:46,465 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 1095 transitions. [2022-10-16 16:58:46,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-16 16:58:46,475 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:58:46,475 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:58:46,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-16 16:58:46,476 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:58:46,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:58:46,478 INFO L85 PathProgramCache]: Analyzing trace with hash -1592332409, now seen corresponding path program 1 times [2022-10-16 16:58:46,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:58:46,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477641407] [2022-10-16 16:58:46,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:58:46,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:58:46,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:46,717 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:58:46,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:58:46,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477641407] [2022-10-16 16:58:46,718 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477641407] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:58:46,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:58:46,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:58:46,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659121357] [2022-10-16 16:58:46,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:58:46,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:58:46,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:58:46,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:58:46,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:58:46,723 INFO L87 Difference]: Start difference. First operand 698 states and 1095 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:58:47,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:58:47,095 INFO L93 Difference]: Finished difference Result 1680 states and 2652 transitions. [2022-10-16 16:58:47,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:58:47,096 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 55 [2022-10-16 16:58:47,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:58:47,103 INFO L225 Difference]: With dead ends: 1680 [2022-10-16 16:58:47,103 INFO L226 Difference]: Without dead ends: 996 [2022-10-16 16:58:47,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:58:47,106 INFO L413 NwaCegarLoop]: 665 mSDtfsCounter, 664 mSDsluCounter, 890 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 664 SdHoareTripleChecker+Valid, 1555 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:58:47,107 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [664 Valid, 1555 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:58:47,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2022-10-16 16:58:47,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 872. [2022-10-16 16:58:47,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 872 states, 864 states have (on average 1.5949074074074074) internal successors, (1378), 871 states have internal predecessors, (1378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:58:47,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 872 states and 1378 transitions. [2022-10-16 16:58:47,192 INFO L78 Accepts]: Start accepts. Automaton has 872 states and 1378 transitions. Word has length 55 [2022-10-16 16:58:47,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:58:47,192 INFO L495 AbstractCegarLoop]: Abstraction has 872 states and 1378 transitions. [2022-10-16 16:58:47,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:58:47,193 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1378 transitions. [2022-10-16 16:58:47,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-16 16:58:47,195 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:58:47,195 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:58:47,196 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-16 16:58:47,196 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:58:47,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:58:47,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1505519144, now seen corresponding path program 1 times [2022-10-16 16:58:47,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:58:47,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854397841] [2022-10-16 16:58:47,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:58:47,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:58:47,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:47,298 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:58:47,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:58:47,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854397841] [2022-10-16 16:58:47,299 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854397841] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:58:47,299 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:58:47,299 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:58:47,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988390008] [2022-10-16 16:58:47,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:58:47,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:58:47,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:58:47,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:58:47,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:58:47,301 INFO L87 Difference]: Start difference. First operand 872 states and 1378 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:58:47,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:58:47,628 INFO L93 Difference]: Finished difference Result 2160 states and 3390 transitions. [2022-10-16 16:58:47,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:58:47,629 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58 [2022-10-16 16:58:47,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:58:47,639 INFO L225 Difference]: With dead ends: 2160 [2022-10-16 16:58:47,639 INFO L226 Difference]: Without dead ends: 1302 [2022-10-16 16:58:47,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:58:47,653 INFO L413 NwaCegarLoop]: 673 mSDtfsCounter, 445 mSDsluCounter, 894 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 445 SdHoareTripleChecker+Valid, 1567 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:58:47,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [445 Valid, 1567 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:58:47,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1302 states. [2022-10-16 16:58:47,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1302 to 1215. [2022-10-16 16:58:47,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1215 states, 1207 states have (on average 1.5758077879038939) internal successors, (1902), 1214 states have internal predecessors, (1902), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:58:47,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 1902 transitions. [2022-10-16 16:58:47,737 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 1902 transitions. Word has length 58 [2022-10-16 16:58:47,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:58:47,737 INFO L495 AbstractCegarLoop]: Abstraction has 1215 states and 1902 transitions. [2022-10-16 16:58:47,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:58:47,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1902 transitions. [2022-10-16 16:58:47,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-16 16:58:47,740 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:58:47,741 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:58:47,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-16 16:58:47,742 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:58:47,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:58:47,742 INFO L85 PathProgramCache]: Analyzing trace with hash 93056873, now seen corresponding path program 1 times [2022-10-16 16:58:47,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:58:47,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162165228] [2022-10-16 16:58:47,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:58:47,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:58:47,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:47,886 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:58:47,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:58:47,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162165228] [2022-10-16 16:58:47,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162165228] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:58:47,887 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:58:47,887 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:58:47,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745081888] [2022-10-16 16:58:47,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:58:47,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:58:47,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:58:47,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:58:47,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:58:47,889 INFO L87 Difference]: Start difference. First operand 1215 states and 1902 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:58:48,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:58:48,446 INFO L93 Difference]: Finished difference Result 3830 states and 5883 transitions. [2022-10-16 16:58:48,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-16 16:58:48,447 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-10-16 16:58:48,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:58:48,466 INFO L225 Difference]: With dead ends: 3830 [2022-10-16 16:58:48,466 INFO L226 Difference]: Without dead ends: 2626 [2022-10-16 16:58:48,469 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:58:48,472 INFO L413 NwaCegarLoop]: 457 mSDtfsCounter, 717 mSDsluCounter, 681 mSDsCounter, 0 mSdLazyCounter, 331 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 717 SdHoareTripleChecker+Valid, 1138 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 331 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-10-16 16:58:48,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [717 Valid, 1138 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 331 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-10-16 16:58:48,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2626 states. [2022-10-16 16:58:48,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2626 to 2272. [2022-10-16 16:58:48,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2272 states, 2264 states have (on average 1.5472614840989398) internal successors, (3503), 2271 states have internal predecessors, (3503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:58:48,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2272 states to 2272 states and 3503 transitions. [2022-10-16 16:58:48,674 INFO L78 Accepts]: Start accepts. Automaton has 2272 states and 3503 transitions. Word has length 69 [2022-10-16 16:58:48,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:58:48,675 INFO L495 AbstractCegarLoop]: Abstraction has 2272 states and 3503 transitions. [2022-10-16 16:58:48,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:58:48,675 INFO L276 IsEmpty]: Start isEmpty. Operand 2272 states and 3503 transitions. [2022-10-16 16:58:48,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-16 16:58:48,679 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:58:48,679 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:58:48,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-10-16 16:58:48,684 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:58:48,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:58:48,689 INFO L85 PathProgramCache]: Analyzing trace with hash 848997769, now seen corresponding path program 1 times [2022-10-16 16:58:48,690 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:58:48,693 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [108006095] [2022-10-16 16:58:48,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:58:48,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:58:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:48,810 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:58:48,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:58:48,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [108006095] [2022-10-16 16:58:48,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [108006095] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:58:48,811 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:58:48,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:58:48,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493452297] [2022-10-16 16:58:48,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:58:48,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:58:48,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:58:48,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:58:48,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:58:48,816 INFO L87 Difference]: Start difference. First operand 2272 states and 3503 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:58:49,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:58:49,032 INFO L93 Difference]: Finished difference Result 4790 states and 7480 transitions. [2022-10-16 16:58:49,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:58:49,033 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 69 [2022-10-16 16:58:49,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:58:49,050 INFO L225 Difference]: With dead ends: 4790 [2022-10-16 16:58:49,050 INFO L226 Difference]: Without dead ends: 2531 [2022-10-16 16:58:49,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:58:49,061 INFO L413 NwaCegarLoop]: 456 mSDtfsCounter, 378 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 726 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:58:49,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [378 Valid, 726 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:58:49,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2531 states. [2022-10-16 16:58:49,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2531 to 2324. [2022-10-16 16:58:49,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2324 states, 2316 states have (on average 1.5816062176165804) internal successors, (3663), 2323 states have internal predecessors, (3663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:58:49,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2324 states to 2324 states and 3663 transitions. [2022-10-16 16:58:49,290 INFO L78 Accepts]: Start accepts. Automaton has 2324 states and 3663 transitions. Word has length 69 [2022-10-16 16:58:49,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:58:49,292 INFO L495 AbstractCegarLoop]: Abstraction has 2324 states and 3663 transitions. [2022-10-16 16:58:49,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:58:49,293 INFO L276 IsEmpty]: Start isEmpty. Operand 2324 states and 3663 transitions. [2022-10-16 16:58:49,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-16 16:58:49,297 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:58:49,297 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:58:49,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-10-16 16:58:49,298 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:58:49,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:58:49,300 INFO L85 PathProgramCache]: Analyzing trace with hash 918653916, now seen corresponding path program 1 times [2022-10-16 16:58:49,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:58:49,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594948396] [2022-10-16 16:58:49,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:58:49,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:58:49,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:49,423 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:58:49,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:58:49,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594948396] [2022-10-16 16:58:49,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594948396] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:58:49,424 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:58:49,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:58:49,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221921021] [2022-10-16 16:58:49,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:58:49,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:58:49,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:58:49,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:58:49,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:58:49,430 INFO L87 Difference]: Start difference. First operand 2324 states and 3663 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:58:49,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:58:49,669 INFO L93 Difference]: Finished difference Result 4975 states and 7842 transitions. [2022-10-16 16:58:49,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:58:49,670 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 87 [2022-10-16 16:58:49,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:58:49,687 INFO L225 Difference]: With dead ends: 4975 [2022-10-16 16:58:49,687 INFO L226 Difference]: Without dead ends: 2663 [2022-10-16 16:58:49,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:58:49,695 INFO L413 NwaCegarLoop]: 457 mSDtfsCounter, 209 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 209 SdHoareTripleChecker+Valid, 855 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:58:49,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [209 Valid, 855 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:58:49,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2663 states. [2022-10-16 16:58:49,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2663 to 2649. [2022-10-16 16:58:49,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2649 states, 2641 states have (on average 1.5778114350624763) internal successors, (4167), 2648 states have internal predecessors, (4167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:58:49,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2649 states to 2649 states and 4167 transitions. [2022-10-16 16:58:49,912 INFO L78 Accepts]: Start accepts. Automaton has 2649 states and 4167 transitions. Word has length 87 [2022-10-16 16:58:49,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:58:49,913 INFO L495 AbstractCegarLoop]: Abstraction has 2649 states and 4167 transitions. [2022-10-16 16:58:49,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:58:49,916 INFO L276 IsEmpty]: Start isEmpty. Operand 2649 states and 4167 transitions. [2022-10-16 16:58:49,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-10-16 16:58:49,925 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:58:49,929 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:58:49,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-10-16 16:58:49,929 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:58:49,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:58:49,930 INFO L85 PathProgramCache]: Analyzing trace with hash -165416756, now seen corresponding path program 1 times [2022-10-16 16:58:49,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:58:49,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584319630] [2022-10-16 16:58:49,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:58:49,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:58:49,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:50,030 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:58:50,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:58:50,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584319630] [2022-10-16 16:58:50,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584319630] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:58:50,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:58:50,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:58:50,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272655952] [2022-10-16 16:58:50,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:58:50,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:58:50,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:58:50,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:58:50,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:58:50,036 INFO L87 Difference]: Start difference. First operand 2649 states and 4167 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:58:50,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:58:50,488 INFO L93 Difference]: Finished difference Result 6281 states and 10006 transitions. [2022-10-16 16:58:50,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:58:50,489 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 96 [2022-10-16 16:58:50,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:58:50,511 INFO L225 Difference]: With dead ends: 6281 [2022-10-16 16:58:50,511 INFO L226 Difference]: Without dead ends: 3808 [2022-10-16 16:58:50,516 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:58:50,517 INFO L413 NwaCegarLoop]: 599 mSDtfsCounter, 264 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 264 SdHoareTripleChecker+Valid, 900 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:58:50,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [264 Valid, 900 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:58:50,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3808 states. [2022-10-16 16:58:50,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3808 to 3127. [2022-10-16 16:58:50,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3127 states, 3119 states have (on average 1.5094581596665597) internal successors, (4708), 3126 states have internal predecessors, (4708), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:58:50,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3127 states to 3127 states and 4708 transitions. [2022-10-16 16:58:50,719 INFO L78 Accepts]: Start accepts. Automaton has 3127 states and 4708 transitions. Word has length 96 [2022-10-16 16:58:50,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:58:50,721 INFO L495 AbstractCegarLoop]: Abstraction has 3127 states and 4708 transitions. [2022-10-16 16:58:50,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:58:50,721 INFO L276 IsEmpty]: Start isEmpty. Operand 3127 states and 4708 transitions. [2022-10-16 16:58:50,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-16 16:58:50,727 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:58:50,727 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:58:50,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-10-16 16:58:50,728 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:58:50,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:58:50,728 INFO L85 PathProgramCache]: Analyzing trace with hash -2092912800, now seen corresponding path program 1 times [2022-10-16 16:58:50,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:58:50,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941630523] [2022-10-16 16:58:50,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:58:50,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:58:50,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:50,821 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 16:58:50,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:58:50,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941630523] [2022-10-16 16:58:50,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941630523] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:58:50,822 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:58:50,822 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:58:50,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445506508] [2022-10-16 16:58:50,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:58:50,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:58:50,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:58:50,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:58:50,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:58:50,824 INFO L87 Difference]: Start difference. First operand 3127 states and 4708 transitions. Second operand has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:58:51,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:58:51,291 INFO L93 Difference]: Finished difference Result 6281 states and 9452 transitions. [2022-10-16 16:58:51,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:58:51,299 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 0 states have call successors, (0), 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 104 [2022-10-16 16:58:51,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:58:51,319 INFO L225 Difference]: With dead ends: 6281 [2022-10-16 16:58:51,319 INFO L226 Difference]: Without dead ends: 3371 [2022-10-16 16:58:51,327 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:58:51,328 INFO L413 NwaCegarLoop]: 572 mSDtfsCounter, 615 mSDsluCounter, 755 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 615 SdHoareTripleChecker+Valid, 1327 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:58:51,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [615 Valid, 1327 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:58:51,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3371 states. [2022-10-16 16:58:51,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3371 to 3296. [2022-10-16 16:58:51,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3296 states, 3288 states have (on average 1.5030413625304135) internal successors, (4942), 3295 states have internal predecessors, (4942), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:58:51,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3296 states to 3296 states and 4942 transitions. [2022-10-16 16:58:51,651 INFO L78 Accepts]: Start accepts. Automaton has 3296 states and 4942 transitions. Word has length 104 [2022-10-16 16:58:51,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:58:51,652 INFO L495 AbstractCegarLoop]: Abstraction has 3296 states and 4942 transitions. [2022-10-16 16:58:51,652 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.0) internal successors, (100), 4 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:58:51,652 INFO L276 IsEmpty]: Start isEmpty. Operand 3296 states and 4942 transitions. [2022-10-16 16:58:51,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-10-16 16:58:51,655 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:58:51,656 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:58:51,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-10-16 16:58:51,656 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:58:51,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:58:51,657 INFO L85 PathProgramCache]: Analyzing trace with hash 837666612, now seen corresponding path program 1 times [2022-10-16 16:58:51,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:58:51,657 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231160684] [2022-10-16 16:58:51,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:58:51,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:58:51,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:51,728 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:58:51,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:58:51,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231160684] [2022-10-16 16:58:51,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231160684] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:58:51,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:58:51,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:58:51,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479261360] [2022-10-16 16:58:51,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:58:51,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:58:51,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:58:51,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:58:51,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:58:51,731 INFO L87 Difference]: Start difference. First operand 3296 states and 4942 transitions. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:58:52,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:58:52,039 INFO L93 Difference]: Finished difference Result 6406 states and 9638 transitions. [2022-10-16 16:58:52,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:58:52,040 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 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 104 [2022-10-16 16:58:52,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:58:52,058 INFO L225 Difference]: With dead ends: 6406 [2022-10-16 16:58:52,058 INFO L226 Difference]: Without dead ends: 3296 [2022-10-16 16:58:52,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:58:52,065 INFO L413 NwaCegarLoop]: 424 mSDtfsCounter, 352 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:58:52,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 452 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:58:52,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3296 states. [2022-10-16 16:58:52,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3296 to 3296. [2022-10-16 16:58:52,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3296 states, 3288 states have (on average 1.4723236009732361) internal successors, (4841), 3295 states have internal predecessors, (4841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:58:52,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3296 states to 3296 states and 4841 transitions. [2022-10-16 16:58:52,316 INFO L78 Accepts]: Start accepts. Automaton has 3296 states and 4841 transitions. Word has length 104 [2022-10-16 16:58:52,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:58:52,317 INFO L495 AbstractCegarLoop]: Abstraction has 3296 states and 4841 transitions. [2022-10-16 16:58:52,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:58:52,317 INFO L276 IsEmpty]: Start isEmpty. Operand 3296 states and 4841 transitions. [2022-10-16 16:58:52,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-16 16:58:52,321 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:58:52,321 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:58:52,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-10-16 16:58:52,322 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:58:52,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:58:52,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1273847527, now seen corresponding path program 1 times [2022-10-16 16:58:52,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:58:52,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383219438] [2022-10-16 16:58:52,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:58:52,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:58:52,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:52,373 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-16 16:58:52,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:58:52,373 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383219438] [2022-10-16 16:58:52,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383219438] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:58:52,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:58:52,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:58:52,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031074645] [2022-10-16 16:58:52,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:58:52,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:58:52,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:58:52,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:58:52,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:58:52,376 INFO L87 Difference]: Start difference. First operand 3296 states and 4841 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:58:52,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:58:52,793 INFO L93 Difference]: Finished difference Result 8511 states and 12624 transitions. [2022-10-16 16:58:52,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:58:52,794 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-10-16 16:58:52,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:58:52,824 INFO L225 Difference]: With dead ends: 8511 [2022-10-16 16:58:52,824 INFO L226 Difference]: Without dead ends: 5227 [2022-10-16 16:58:52,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:58:52,836 INFO L413 NwaCegarLoop]: 685 mSDtfsCounter, 330 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 330 SdHoareTripleChecker+Valid, 1069 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:58:52,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [330 Valid, 1069 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:58:52,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5227 states. [2022-10-16 16:58:53,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5227 to 4737. [2022-10-16 16:58:53,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4737 states, 4729 states have (on average 1.4882639035736942) internal successors, (7038), 4736 states have internal predecessors, (7038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:58:53,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4737 states to 4737 states and 7038 transitions. [2022-10-16 16:58:53,228 INFO L78 Accepts]: Start accepts. Automaton has 4737 states and 7038 transitions. Word has length 105 [2022-10-16 16:58:53,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:58:53,229 INFO L495 AbstractCegarLoop]: Abstraction has 4737 states and 7038 transitions. [2022-10-16 16:58:53,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:58:53,229 INFO L276 IsEmpty]: Start isEmpty. Operand 4737 states and 7038 transitions. [2022-10-16 16:58:53,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-16 16:58:53,257 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:58:53,258 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:58:53,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-10-16 16:58:53,258 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:58:53,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:58:53,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1848537809, now seen corresponding path program 1 times [2022-10-16 16:58:53,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:58:53,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167043630] [2022-10-16 16:58:53,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:58:53,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:58:53,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:53,358 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-16 16:58:53,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:58:53,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167043630] [2022-10-16 16:58:53,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167043630] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:58:53,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:58:53,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:58:53,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179865798] [2022-10-16 16:58:53,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:58:53,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:58:53,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:58:53,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:58:53,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:58:53,362 INFO L87 Difference]: Start difference. First operand 4737 states and 7038 transitions. Second operand has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:58:54,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:58:54,184 INFO L93 Difference]: Finished difference Result 12749 states and 18814 transitions. [2022-10-16 16:58:54,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:58:54,185 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 107 [2022-10-16 16:58:54,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:58:54,209 INFO L225 Difference]: With dead ends: 12749 [2022-10-16 16:58:54,209 INFO L226 Difference]: Without dead ends: 7915 [2022-10-16 16:58:54,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:58:54,220 INFO L413 NwaCegarLoop]: 628 mSDtfsCounter, 667 mSDsluCounter, 749 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 667 SdHoareTripleChecker+Valid, 1377 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:58:54,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [667 Valid, 1377 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:58:54,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7915 states. [2022-10-16 16:58:54,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7915 to 6934. [2022-10-16 16:58:54,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6934 states, 6926 states have (on average 1.4579844065838867) internal successors, (10098), 6933 states have internal predecessors, (10098), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:58:54,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6934 states to 6934 states and 10098 transitions. [2022-10-16 16:58:54,820 INFO L78 Accepts]: Start accepts. Automaton has 6934 states and 10098 transitions. Word has length 107 [2022-10-16 16:58:54,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:58:54,821 INFO L495 AbstractCegarLoop]: Abstraction has 6934 states and 10098 transitions. [2022-10-16 16:58:54,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.0) internal successors, (104), 4 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:58:54,822 INFO L276 IsEmpty]: Start isEmpty. Operand 6934 states and 10098 transitions. [2022-10-16 16:58:54,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-10-16 16:58:54,827 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:58:54,828 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:58:54,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-10-16 16:58:54,828 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:58:54,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:58:54,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1377302363, now seen corresponding path program 1 times [2022-10-16 16:58:54,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:58:54,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140500302] [2022-10-16 16:58:54,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:58:54,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:58:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:54,934 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:58:54,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:58:54,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140500302] [2022-10-16 16:58:54,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140500302] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:58:54,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:58:54,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:58:54,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768464663] [2022-10-16 16:58:54,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:58:54,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:58:54,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:58:54,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:58:54,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:58:54,937 INFO L87 Difference]: Start difference. First operand 6934 states and 10098 transitions. Second operand has 5 states, 5 states have (on average 22.6) internal successors, (113), 5 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:58:57,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:58:57,137 INFO L93 Difference]: Finished difference Result 31002 states and 44693 transitions. [2022-10-16 16:58:57,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-10-16 16:58:57,138 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 5 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 113 [2022-10-16 16:58:57,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:58:57,215 INFO L225 Difference]: With dead ends: 31002 [2022-10-16 16:58:57,216 INFO L226 Difference]: Without dead ends: 24402 [2022-10-16 16:58:57,235 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-10-16 16:58:57,237 INFO L413 NwaCegarLoop]: 956 mSDtfsCounter, 2000 mSDsluCounter, 2292 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2000 SdHoareTripleChecker+Valid, 3248 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:58:57,238 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2000 Valid, 3248 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:58:57,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24402 states. [2022-10-16 16:58:58,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24402 to 10578. [2022-10-16 16:58:58,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10578 states, 10570 states have (on average 1.4608325449385051) internal successors, (15441), 10577 states have internal predecessors, (15441), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:58:58,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10578 states to 10578 states and 15441 transitions. [2022-10-16 16:58:58,304 INFO L78 Accepts]: Start accepts. Automaton has 10578 states and 15441 transitions. Word has length 113 [2022-10-16 16:58:58,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:58:58,304 INFO L495 AbstractCegarLoop]: Abstraction has 10578 states and 15441 transitions. [2022-10-16 16:58:58,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.6) internal successors, (113), 5 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:58:58,305 INFO L276 IsEmpty]: Start isEmpty. Operand 10578 states and 15441 transitions. [2022-10-16 16:58:58,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-16 16:58:58,309 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:58:58,310 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:58:58,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-10-16 16:58:58,311 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:58:58,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:58:58,311 INFO L85 PathProgramCache]: Analyzing trace with hash -1900665354, now seen corresponding path program 1 times [2022-10-16 16:58:58,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:58:58,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604249082] [2022-10-16 16:58:58,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:58:58,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:58:58,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:58:58,377 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-16 16:58:58,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:58:58,377 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604249082] [2022-10-16 16:58:58,377 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604249082] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:58:58,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:58:58,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:58:58,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8179377] [2022-10-16 16:58:58,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:58:58,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:58:58,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:58:58,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:58:58,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:58:58,380 INFO L87 Difference]: Start difference. First operand 10578 states and 15441 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:58:59,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:58:59,675 INFO L93 Difference]: Finished difference Result 20931 states and 30578 transitions. [2022-10-16 16:58:59,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:58:59,675 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-10-16 16:58:59,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:58:59,706 INFO L225 Difference]: With dead ends: 20931 [2022-10-16 16:58:59,706 INFO L226 Difference]: Without dead ends: 10437 [2022-10-16 16:58:59,725 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:58:59,726 INFO L413 NwaCegarLoop]: 503 mSDtfsCounter, 364 mSDsluCounter, 372 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 875 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:58:59,727 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 875 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:58:59,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10437 states. [2022-10-16 16:59:00,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10437 to 10376. [2022-10-16 16:59:00,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10376 states, 10368 states have (on average 1.4221643518518519) internal successors, (14745), 10375 states have internal predecessors, (14745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:59:00,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10376 states to 10376 states and 14745 transitions. [2022-10-16 16:59:00,755 INFO L78 Accepts]: Start accepts. Automaton has 10376 states and 14745 transitions. Word has length 115 [2022-10-16 16:59:00,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:00,756 INFO L495 AbstractCegarLoop]: Abstraction has 10376 states and 14745 transitions. [2022-10-16 16:59:00,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:59:00,756 INFO L276 IsEmpty]: Start isEmpty. Operand 10376 states and 14745 transitions. [2022-10-16 16:59:00,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-10-16 16:59:00,759 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:00,759 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:59:00,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-10-16 16:59:00,760 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:59:00,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:00,761 INFO L85 PathProgramCache]: Analyzing trace with hash -1970190876, now seen corresponding path program 1 times [2022-10-16 16:59:00,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:00,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313821840] [2022-10-16 16:59:00,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:00,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:00,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:00,903 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-16 16:59:00,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:00,903 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313821840] [2022-10-16 16:59:00,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313821840] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:59:00,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265403775] [2022-10-16 16:59:00,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:00,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:00,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:59:00,907 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:59:00,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-16 16:59:01,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:01,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 419 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 16:59:01,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:59:01,288 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 16:59:01,289 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:59:01,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [265403775] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:01,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:59:01,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-10-16 16:59:01,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329450238] [2022-10-16 16:59:01,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:01,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:59:01,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:01,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:59:01,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:59:01,293 INFO L87 Difference]: Start difference. First operand 10376 states and 14745 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:59:02,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:02,130 INFO L93 Difference]: Finished difference Result 19447 states and 27702 transitions. [2022-10-16 16:59:02,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:59:02,131 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2022-10-16 16:59:02,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:02,159 INFO L225 Difference]: With dead ends: 19447 [2022-10-16 16:59:02,160 INFO L226 Difference]: Without dead ends: 9014 [2022-10-16 16:59:02,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:59:02,178 INFO L413 NwaCegarLoop]: 425 mSDtfsCounter, 309 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 309 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:02,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [309 Valid, 481 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:59:02,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9014 states. [2022-10-16 16:59:03,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9014 to 8443. [2022-10-16 16:59:03,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8443 states, 8435 states have (on average 1.4232365145228216) internal successors, (12005), 8442 states have internal predecessors, (12005), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:59:03,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8443 states to 8443 states and 12005 transitions. [2022-10-16 16:59:03,032 INFO L78 Accepts]: Start accepts. Automaton has 8443 states and 12005 transitions. Word has length 115 [2022-10-16 16:59:03,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:03,033 INFO L495 AbstractCegarLoop]: Abstraction has 8443 states and 12005 transitions. [2022-10-16 16:59:03,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:59:03,033 INFO L276 IsEmpty]: Start isEmpty. Operand 8443 states and 12005 transitions. [2022-10-16 16:59:03,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-16 16:59:03,035 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:03,036 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:59:03,073 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-16 16:59:03,249 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-10-16 16:59:03,249 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:59:03,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:03,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1699723847, now seen corresponding path program 1 times [2022-10-16 16:59:03,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:03,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76896528] [2022-10-16 16:59:03,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:03,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:03,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:03,372 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 16:59:03,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:03,372 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76896528] [2022-10-16 16:59:03,373 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76896528] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:03,373 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:59:03,373 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:59:03,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843527229] [2022-10-16 16:59:03,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:03,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-16 16:59:03,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:03,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-16 16:59:03,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-16 16:59:03,375 INFO L87 Difference]: Start difference. First operand 8443 states and 12005 transitions. Second operand has 4 states, 3 states have (on average 38.0) internal successors, (114), 4 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 16:59:04,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:04,846 INFO L93 Difference]: Finished difference Result 19782 states and 28147 transitions. [2022-10-16 16:59:04,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-10-16 16:59:04,846 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 38.0) internal successors, (114), 4 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 117 [2022-10-16 16:59:04,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:04,909 INFO L225 Difference]: With dead ends: 19782 [2022-10-16 16:59:04,909 INFO L226 Difference]: Without dead ends: 19778 [2022-10-16 16:59:04,917 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:59:04,918 INFO L413 NwaCegarLoop]: 447 mSDtfsCounter, 999 mSDsluCounter, 1003 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 999 SdHoareTripleChecker+Valid, 1450 SdHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:04,918 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [999 Valid, 1450 Invalid, 102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:59:04,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19778 states. [2022-10-16 16:59:06,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19778 to 15433. [2022-10-16 16:59:06,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15433 states, 15425 states have (on average 1.4372771474878443) internal successors, (22170), 15432 states have internal predecessors, (22170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:59:06,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15433 states to 15433 states and 22170 transitions. [2022-10-16 16:59:06,264 INFO L78 Accepts]: Start accepts. Automaton has 15433 states and 22170 transitions. Word has length 117 [2022-10-16 16:59:06,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:06,265 INFO L495 AbstractCegarLoop]: Abstraction has 15433 states and 22170 transitions. [2022-10-16 16:59:06,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 38.0) internal successors, (114), 4 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 16:59:06,265 INFO L276 IsEmpty]: Start isEmpty. Operand 15433 states and 22170 transitions. [2022-10-16 16:59:06,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-10-16 16:59:06,268 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:06,268 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:59:06,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-10-16 16:59:06,269 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:59:06,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:06,269 INFO L85 PathProgramCache]: Analyzing trace with hash -1804655426, now seen corresponding path program 1 times [2022-10-16 16:59:06,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:06,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456822990] [2022-10-16 16:59:06,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:06,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:06,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:06,360 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-16 16:59:06,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:06,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456822990] [2022-10-16 16:59:06,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456822990] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:06,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:59:06,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-16 16:59:06,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040229914] [2022-10-16 16:59:06,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:06,362 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:59:06,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:06,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:59:06,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:59:06,363 INFO L87 Difference]: Start difference. First operand 15433 states and 22170 transitions. Second operand has 3 states, 2 states have (on average 57.0) 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 16:59:08,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:08,524 INFO L93 Difference]: Finished difference Result 21095 states and 30291 transitions. [2022-10-16 16:59:08,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:59:08,529 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 57.0) 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 122 [2022-10-16 16:59:08,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:08,579 INFO L225 Difference]: With dead ends: 21095 [2022-10-16 16:59:08,579 INFO L226 Difference]: Without dead ends: 21094 [2022-10-16 16:59:08,589 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 16:59:08,593 INFO L413 NwaCegarLoop]: 551 mSDtfsCounter, 313 mSDsluCounter, 399 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 313 SdHoareTripleChecker+Valid, 950 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:08,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [313 Valid, 950 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:59:08,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21094 states. [2022-10-16 16:59:10,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21094 to 15432. [2022-10-16 16:59:10,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15432 states, 15425 states have (on average 1.4359157212317666) internal successors, (22149), 15431 states have internal predecessors, (22149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:59:10,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15432 states to 15432 states and 22149 transitions. [2022-10-16 16:59:10,136 INFO L78 Accepts]: Start accepts. Automaton has 15432 states and 22149 transitions. Word has length 122 [2022-10-16 16:59:10,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:10,137 INFO L495 AbstractCegarLoop]: Abstraction has 15432 states and 22149 transitions. [2022-10-16 16:59:10,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 57.0) 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 16:59:10,137 INFO L276 IsEmpty]: Start isEmpty. Operand 15432 states and 22149 transitions. [2022-10-16 16:59:10,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-16 16:59:10,139 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:10,140 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:59:10,140 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-10-16 16:59:10,140 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:59:10,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:10,141 INFO L85 PathProgramCache]: Analyzing trace with hash -109743123, now seen corresponding path program 1 times [2022-10-16 16:59:10,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:10,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843477497] [2022-10-16 16:59:10,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:10,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:10,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:10,274 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 16:59:10,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:10,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1843477497] [2022-10-16 16:59:10,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1843477497] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:59:10,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [459707401] [2022-10-16 16:59:10,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:10,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:10,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:59:10,276 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:59:10,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-16 16:59:10,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:10,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-16 16:59:10,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:59:10,439 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-16 16:59:10,440 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:59:10,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [459707401] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:10,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:59:10,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-10-16 16:59:10,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737875764] [2022-10-16 16:59:10,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:10,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:59:10,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:10,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:59:10,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:59:10,442 INFO L87 Difference]: Start difference. First operand 15432 states and 22149 transitions. Second operand has 3 states, 2 states have (on average 58.0) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:59:12,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:12,641 INFO L93 Difference]: Finished difference Result 23814 states and 34488 transitions. [2022-10-16 16:59:12,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:59:12,642 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 58.0) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 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 16:59:12,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:12,694 INFO L225 Difference]: With dead ends: 23814 [2022-10-16 16:59:12,694 INFO L226 Difference]: Without dead ends: 23813 [2022-10-16 16:59:12,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:59:12,709 INFO L413 NwaCegarLoop]: 549 mSDtfsCounter, 312 mSDsluCounter, 397 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 312 SdHoareTripleChecker+Valid, 946 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:12,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [312 Valid, 946 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:59:12,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23813 states. [2022-10-16 16:59:14,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23813 to 15431. [2022-10-16 16:59:14,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15431 states, 15425 states have (on average 1.4345542949756889) internal successors, (22128), 15430 states have internal predecessors, (22128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:59:14,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15431 states to 15431 states and 22128 transitions. [2022-10-16 16:59:14,262 INFO L78 Accepts]: Start accepts. Automaton has 15431 states and 22128 transitions. Word has length 123 [2022-10-16 16:59:14,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:14,263 INFO L495 AbstractCegarLoop]: Abstraction has 15431 states and 22128 transitions. [2022-10-16 16:59:14,263 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 58.0) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:59:14,263 INFO L276 IsEmpty]: Start isEmpty. Operand 15431 states and 22128 transitions. [2022-10-16 16:59:14,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-10-16 16:59:14,273 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:14,274 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:59:14,312 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-16 16:59:14,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-10-16 16:59:14,488 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:59:14,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:14,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1338357632, now seen corresponding path program 1 times [2022-10-16 16:59:14,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:14,490 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13718224] [2022-10-16 16:59:14,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:14,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:14,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:14,729 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 16:59:14,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:14,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13718224] [2022-10-16 16:59:14,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13718224] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:59:14,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1456128220] [2022-10-16 16:59:14,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:14,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:14,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:59:14,735 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:59:14,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-16 16:59:14,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:14,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 16:59:14,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:59:14,920 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-16 16:59:14,920 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:59:14,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1456128220] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:14,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:59:14,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-10-16 16:59:14,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115658130] [2022-10-16 16:59:14,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:14,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:59:14,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:14,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:59:14,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:59:14,922 INFO L87 Difference]: Start difference. First operand 15431 states and 22128 transitions. Second operand has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:59:16,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:16,442 INFO L93 Difference]: Finished difference Result 30746 states and 44127 transitions. [2022-10-16 16:59:16,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:59:16,443 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 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 205 [2022-10-16 16:59:16,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:16,469 INFO L225 Difference]: With dead ends: 30746 [2022-10-16 16:59:16,469 INFO L226 Difference]: Without dead ends: 15431 [2022-10-16 16:59:16,493 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 206 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:59:16,498 INFO L413 NwaCegarLoop]: 402 mSDtfsCounter, 314 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:16,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [314 Valid, 452 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:59:16,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15431 states. [2022-10-16 16:59:18,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15431 to 15431. [2022-10-16 16:59:18,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15431 states, 15425 states have (on average 1.399805510534846) internal successors, (21592), 15430 states have internal predecessors, (21592), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:59:18,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15431 states to 15431 states and 21592 transitions. [2022-10-16 16:59:18,111 INFO L78 Accepts]: Start accepts. Automaton has 15431 states and 21592 transitions. Word has length 205 [2022-10-16 16:59:18,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:18,111 INFO L495 AbstractCegarLoop]: Abstraction has 15431 states and 21592 transitions. [2022-10-16 16:59:18,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 66.0) internal successors, (198), 3 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:59:18,112 INFO L276 IsEmpty]: Start isEmpty. Operand 15431 states and 21592 transitions. [2022-10-16 16:59:18,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-10-16 16:59:18,122 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:18,122 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:59:18,159 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-10-16 16:59:18,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:18,339 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:59:18,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:18,340 INFO L85 PathProgramCache]: Analyzing trace with hash 174428952, now seen corresponding path program 1 times [2022-10-16 16:59:18,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:18,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258628583] [2022-10-16 16:59:18,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:18,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:18,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:18,528 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 50 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 16:59:18,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:18,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258628583] [2022-10-16 16:59:18,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258628583] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:59:18,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [89891181] [2022-10-16 16:59:18,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:18,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:18,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:59:18,531 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:59:18,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-16 16:59:18,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:18,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 665 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 16:59:18,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:59:18,754 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-10-16 16:59:18,755 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:59:18,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [89891181] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:18,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:59:18,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-10-16 16:59:18,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138241131] [2022-10-16 16:59:18,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:18,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:59:18,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:18,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:59:18,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:59:18,761 INFO L87 Difference]: Start difference. First operand 15431 states and 21592 transitions. Second operand has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:59:20,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:20,727 INFO L93 Difference]: Finished difference Result 32588 states and 45926 transitions. [2022-10-16 16:59:20,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:59:20,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 208 [2022-10-16 16:59:20,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:20,753 INFO L225 Difference]: With dead ends: 32588 [2022-10-16 16:59:20,754 INFO L226 Difference]: Without dead ends: 17273 [2022-10-16 16:59:20,777 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 213 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:59:20,778 INFO L413 NwaCegarLoop]: 358 mSDtfsCounter, 327 mSDsluCounter, 172 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:20,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 530 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:59:20,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17273 states. [2022-10-16 16:59:22,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17273 to 17019. [2022-10-16 16:59:22,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17019 states, 17013 states have (on average 1.3912302357021102) internal successors, (23669), 17018 states have internal predecessors, (23669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:59:22,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17019 states to 17019 states and 23669 transitions. [2022-10-16 16:59:22,362 INFO L78 Accepts]: Start accepts. Automaton has 17019 states and 23669 transitions. Word has length 208 [2022-10-16 16:59:22,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:22,363 INFO L495 AbstractCegarLoop]: Abstraction has 17019 states and 23669 transitions. [2022-10-16 16:59:22,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:59:22,363 INFO L276 IsEmpty]: Start isEmpty. Operand 17019 states and 23669 transitions. [2022-10-16 16:59:22,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-10-16 16:59:22,374 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:22,374 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:59:22,402 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-10-16 16:59:22,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:22,588 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:59:22,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:22,589 INFO L85 PathProgramCache]: Analyzing trace with hash -69417518, now seen corresponding path program 1 times [2022-10-16 16:59:22,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:22,590 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173089525] [2022-10-16 16:59:22,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:22,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:22,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,755 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 50 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 16:59:22,756 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:22,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173089525] [2022-10-16 16:59:22,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173089525] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:59:22,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [890323499] [2022-10-16 16:59:22,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:22,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:22,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:59:22,758 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:59:22,777 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-16 16:59:22,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:22,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 16:59:22,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:59:22,908 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-16 16:59:22,908 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:59:22,908 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [890323499] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:22,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:59:22,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-10-16 16:59:22,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373739464] [2022-10-16 16:59:22,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:22,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:59:22,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:22,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:59:22,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:59:22,911 INFO L87 Difference]: Start difference. First operand 17019 states and 23669 transitions. Second operand has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:59:24,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:24,300 INFO L93 Difference]: Finished difference Result 33064 states and 45959 transitions. [2022-10-16 16:59:24,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:59:24,300 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 209 [2022-10-16 16:59:24,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:24,325 INFO L225 Difference]: With dead ends: 33064 [2022-10-16 16:59:24,325 INFO L226 Difference]: Without dead ends: 16169 [2022-10-16 16:59:24,343 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:59:24,344 INFO L413 NwaCegarLoop]: 379 mSDtfsCounter, 357 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 402 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:24,345 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 402 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:59:24,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16169 states. [2022-10-16 16:59:25,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16169 to 16169. [2022-10-16 16:59:25,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16169 states, 16163 states have (on average 1.3626801955082597) internal successors, (22025), 16168 states have internal predecessors, (22025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:59:25,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16169 states to 16169 states and 22025 transitions. [2022-10-16 16:59:25,842 INFO L78 Accepts]: Start accepts. Automaton has 16169 states and 22025 transitions. Word has length 209 [2022-10-16 16:59:25,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:25,843 INFO L495 AbstractCegarLoop]: Abstraction has 16169 states and 22025 transitions. [2022-10-16 16:59:25,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 3 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:59:25,843 INFO L276 IsEmpty]: Start isEmpty. Operand 16169 states and 22025 transitions. [2022-10-16 16:59:25,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-10-16 16:59:25,851 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:25,851 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:59:25,875 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-10-16 16:59:26,051 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:26,052 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:59:26,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:26,053 INFO L85 PathProgramCache]: Analyzing trace with hash 711626324, now seen corresponding path program 1 times [2022-10-16 16:59:26,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:26,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107835686] [2022-10-16 16:59:26,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:26,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:26,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:26,262 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 51 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 16:59:26,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:26,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107835686] [2022-10-16 16:59:26,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107835686] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:59:26,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1545913860] [2022-10-16 16:59:26,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:26,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:26,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:59:26,265 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:59:26,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-16 16:59:26,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:26,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 666 conjuncts, 2 conjunts are in the unsatisfiable core [2022-10-16 16:59:26,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:59:26,486 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-16 16:59:26,486 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-16 16:59:26,486 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1545913860] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:26,486 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-16 16:59:26,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-10-16 16:59:26,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390298877] [2022-10-16 16:59:26,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:26,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:59:26,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:26,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:59:26,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:59:26,488 INFO L87 Difference]: Start difference. First operand 16169 states and 22025 transitions. Second operand has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:59:28,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:28,537 INFO L93 Difference]: Finished difference Result 36982 states and 50996 transitions. [2022-10-16 16:59:28,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:59:28,540 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 217 [2022-10-16 16:59:28,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:28,575 INFO L225 Difference]: With dead ends: 36982 [2022-10-16 16:59:28,575 INFO L226 Difference]: Without dead ends: 20937 [2022-10-16 16:59:28,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-10-16 16:59:28,601 INFO L413 NwaCegarLoop]: 513 mSDtfsCounter, 207 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 763 SdHoareTripleChecker+Invalid, 245 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:28,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 763 Invalid, 245 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:59:28,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20937 states. [2022-10-16 16:59:30,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20937 to 20511. [2022-10-16 16:59:30,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20511 states, 20505 states have (on average 1.3341136308217507) internal successors, (27356), 20510 states have internal predecessors, (27356), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:59:30,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20511 states to 20511 states and 27356 transitions. [2022-10-16 16:59:30,487 INFO L78 Accepts]: Start accepts. Automaton has 20511 states and 27356 transitions. Word has length 217 [2022-10-16 16:59:30,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:30,488 INFO L495 AbstractCegarLoop]: Abstraction has 20511 states and 27356 transitions. [2022-10-16 16:59:30,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:59:30,488 INFO L276 IsEmpty]: Start isEmpty. Operand 20511 states and 27356 transitions. [2022-10-16 16:59:30,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2022-10-16 16:59:30,496 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:30,497 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:59:30,521 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-16 16:59:30,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:30,703 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:59:30,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:30,704 INFO L85 PathProgramCache]: Analyzing trace with hash -983898627, now seen corresponding path program 1 times [2022-10-16 16:59:30,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:30,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003304948] [2022-10-16 16:59:30,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:30,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:30,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:31,074 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 72 proven. 46 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 16:59:31,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:31,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003304948] [2022-10-16 16:59:31,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003304948] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:59:31,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [242282552] [2022-10-16 16:59:31,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:31,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:31,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:59:31,078 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:59:31,084 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-16 16:59:31,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:31,213 INFO L263 TraceCheckSpWp]: Trace formula consists of 680 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-16 16:59:31,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:59:31,419 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 75 proven. 43 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 16:59:31,419 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 16:59:31,679 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 75 proven. 43 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-16 16:59:31,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [242282552] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 16:59:31,681 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 16:59:31,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 13 [2022-10-16 16:59:31,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606482142] [2022-10-16 16:59:31,682 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 16:59:31,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 16:59:31,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:31,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 16:59:31,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-10-16 16:59:31,686 INFO L87 Difference]: Start difference. First operand 20511 states and 27356 transitions. Second operand has 13 states, 13 states have (on average 25.23076923076923) internal successors, (328), 13 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:59:40,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:40,324 INFO L93 Difference]: Finished difference Result 86608 states and 114235 transitions. [2022-10-16 16:59:40,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2022-10-16 16:59:40,325 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 25.23076923076923) internal successors, (328), 13 states have internal predecessors, (328), 0 states have call successors, (0), 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 220 [2022-10-16 16:59:40,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:40,651 INFO L225 Difference]: With dead ends: 86608 [2022-10-16 16:59:40,652 INFO L226 Difference]: Without dead ends: 66221 [2022-10-16 16:59:40,688 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 510 GetRequests, 453 SyntacticMatches, 8 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 780 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=540, Invalid=2010, Unknown=0, NotChecked=0, Total=2550 [2022-10-16 16:59:40,695 INFO L413 NwaCegarLoop]: 1687 mSDtfsCounter, 6295 mSDsluCounter, 11065 mSDsCounter, 0 mSdLazyCounter, 1075 mSolverCounterSat, 176 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6295 SdHoareTripleChecker+Valid, 12752 SdHoareTripleChecker+Invalid, 1251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 176 IncrementalHoareTripleChecker+Valid, 1075 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:40,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6295 Valid, 12752 Invalid, 1251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [176 Valid, 1075 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 16:59:40,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66221 states. [2022-10-16 16:59:43,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66221 to 21116. [2022-10-16 16:59:43,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21116 states, 21112 states have (on average 1.3289598332701782) internal successors, (28057), 21115 states have internal predecessors, (28057), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:59:43,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21116 states to 21116 states and 28057 transitions. [2022-10-16 16:59:43,593 INFO L78 Accepts]: Start accepts. Automaton has 21116 states and 28057 transitions. Word has length 220 [2022-10-16 16:59:43,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:43,593 INFO L495 AbstractCegarLoop]: Abstraction has 21116 states and 28057 transitions. [2022-10-16 16:59:43,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 25.23076923076923) internal successors, (328), 13 states have internal predecessors, (328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:59:43,594 INFO L276 IsEmpty]: Start isEmpty. Operand 21116 states and 28057 transitions. [2022-10-16 16:59:43,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-10-16 16:59:43,602 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:43,602 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:59:43,628 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-10-16 16:59:43,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:43,805 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:59:43,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:43,806 INFO L85 PathProgramCache]: Analyzing trace with hash -563153515, now seen corresponding path program 1 times [2022-10-16 16:59:43,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:43,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278469787] [2022-10-16 16:59:43,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:43,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:43,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:44,174 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 10 proven. 104 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 16:59:44,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:44,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278469787] [2022-10-16 16:59:44,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278469787] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:59:44,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [862840888] [2022-10-16 16:59:44,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:44,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:44,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:59:44,178 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:59:44,187 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-10-16 16:59:44,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:44,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 681 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-16 16:59:44,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:59:44,534 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 10 proven. 104 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 16:59:44,535 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 16:59:44,802 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 10 proven. 104 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-16 16:59:44,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [862840888] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 16:59:44,803 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 16:59:44,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-10-16 16:59:44,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727267130] [2022-10-16 16:59:44,805 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 16:59:44,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-16 16:59:44,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:44,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-16 16:59:44,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-10-16 16:59:44,807 INFO L87 Difference]: Start difference. First operand 21116 states and 28057 transitions. Second operand has 12 states, 11 states have (on average 46.27272727272727) internal successors, (509), 12 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:59:49,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:49,619 INFO L93 Difference]: Finished difference Result 54279 states and 71805 transitions. [2022-10-16 16:59:49,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-10-16 16:59:49,619 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 46.27272727272727) internal successors, (509), 12 states have internal predecessors, (509), 0 states have call successors, (0), 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 221 [2022-10-16 16:59:49,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:49,676 INFO L225 Difference]: With dead ends: 54279 [2022-10-16 16:59:49,676 INFO L226 Difference]: Without dead ends: 33287 [2022-10-16 16:59:49,696 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 461 GetRequests, 441 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=146, Invalid=274, Unknown=0, NotChecked=0, Total=420 [2022-10-16 16:59:49,697 INFO L413 NwaCegarLoop]: 427 mSDtfsCounter, 5229 mSDsluCounter, 2207 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5229 SdHoareTripleChecker+Valid, 2634 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 198 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:49,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5229 Valid, 2634 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [198 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 16:59:49,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33287 states. [2022-10-16 16:59:52,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33287 to 18666. [2022-10-16 16:59:52,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18666 states, 18664 states have (on average 1.3216352336048007) internal successors, (24667), 18665 states have internal predecessors, (24667), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:59:52,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18666 states to 18666 states and 24667 transitions. [2022-10-16 16:59:52,388 INFO L78 Accepts]: Start accepts. Automaton has 18666 states and 24667 transitions. Word has length 221 [2022-10-16 16:59:52,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:52,388 INFO L495 AbstractCegarLoop]: Abstraction has 18666 states and 24667 transitions. [2022-10-16 16:59:52,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 46.27272727272727) internal successors, (509), 12 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:59:52,389 INFO L276 IsEmpty]: Start isEmpty. Operand 18666 states and 24667 transitions. [2022-10-16 16:59:52,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2022-10-16 16:59:52,401 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:52,402 INFO L195 NwaCegarLoop]: trace histogram [6, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:59:52,445 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-10-16 16:59:52,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-10-16 16:59:52,616 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:59:52,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:52,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1700636780, now seen corresponding path program 1 times [2022-10-16 16:59:52,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:52,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840834329] [2022-10-16 16:59:52,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:52,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:52,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:52,738 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2022-10-16 16:59:52,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:52,738 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840834329] [2022-10-16 16:59:52,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840834329] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:52,739 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:59:52,739 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 16:59:52,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371168497] [2022-10-16 16:59:52,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:52,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 16:59:52,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:52,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 16:59:52,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:59:52,741 INFO L87 Difference]: Start difference. First operand 18666 states and 24667 transitions. Second operand has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:59:53,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:53,774 INFO L93 Difference]: Finished difference Result 22606 states and 29628 transitions. [2022-10-16 16:59:53,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 16:59:53,775 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 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 325 [2022-10-16 16:59:53,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:53,780 INFO L225 Difference]: With dead ends: 22606 [2022-10-16 16:59:53,780 INFO L226 Difference]: Without dead ends: 3944 [2022-10-16 16:59:53,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 16:59:53,795 INFO L413 NwaCegarLoop]: 359 mSDtfsCounter, 172 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 514 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:53,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 514 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 16:59:53,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3944 states. [2022-10-16 16:59:54,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3944 to 3360. [2022-10-16 16:59:54,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3360 states, 3358 states have (on average 1.2248362120309708) internal successors, (4113), 3359 states have internal predecessors, (4113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:59:54,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3360 states to 3360 states and 4113 transitions. [2022-10-16 16:59:54,412 INFO L78 Accepts]: Start accepts. Automaton has 3360 states and 4113 transitions. Word has length 325 [2022-10-16 16:59:54,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:54,413 INFO L495 AbstractCegarLoop]: Abstraction has 3360 states and 4113 transitions. [2022-10-16 16:59:54,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 3 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:59:54,413 INFO L276 IsEmpty]: Start isEmpty. Operand 3360 states and 4113 transitions. [2022-10-16 16:59:54,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2022-10-16 16:59:54,417 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:54,417 INFO L195 NwaCegarLoop]: trace histogram [6, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:59:54,417 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-10-16 16:59:54,418 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:59:54,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:54,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1690645998, now seen corresponding path program 1 times [2022-10-16 16:59:54,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:54,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666607449] [2022-10-16 16:59:54,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:54,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:54,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:54,593 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2022-10-16 16:59:54,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:54,593 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666607449] [2022-10-16 16:59:54,593 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666607449] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:54,593 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:59:54,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-16 16:59:54,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254257783] [2022-10-16 16:59:54,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:54,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:59:54,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:54,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:59:54,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:59:54,595 INFO L87 Difference]: Start difference. First operand 3360 states and 4113 transitions. Second operand has 5 states, 5 states have (on average 46.2) internal successors, (231), 5 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:59:55,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:55,465 INFO L93 Difference]: Finished difference Result 6771 states and 8298 transitions. [2022-10-16 16:59:55,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-10-16 16:59:55,465 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 46.2) internal successors, (231), 5 states have internal predecessors, (231), 0 states have call successors, (0), 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 329 [2022-10-16 16:59:55,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:55,472 INFO L225 Difference]: With dead ends: 6771 [2022-10-16 16:59:55,472 INFO L226 Difference]: Without dead ends: 5241 [2022-10-16 16:59:55,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:59:55,475 INFO L413 NwaCegarLoop]: 442 mSDtfsCounter, 651 mSDsluCounter, 867 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 651 SdHoareTripleChecker+Valid, 1309 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:55,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [651 Valid, 1309 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:59:55,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5241 states. [2022-10-16 16:59:55,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5241 to 3192. [2022-10-16 16:59:55,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3192 states, 3190 states have (on average 1.1915360501567398) internal successors, (3801), 3191 states have internal predecessors, (3801), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:59:55,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3192 states to 3192 states and 3801 transitions. [2022-10-16 16:59:55,940 INFO L78 Accepts]: Start accepts. Automaton has 3192 states and 3801 transitions. Word has length 329 [2022-10-16 16:59:55,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:55,940 INFO L495 AbstractCegarLoop]: Abstraction has 3192 states and 3801 transitions. [2022-10-16 16:59:55,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 46.2) internal successors, (231), 5 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:59:55,941 INFO L276 IsEmpty]: Start isEmpty. Operand 3192 states and 3801 transitions. [2022-10-16 16:59:55,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2022-10-16 16:59:55,944 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:55,945 INFO L195 NwaCegarLoop]: trace histogram [6, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:59:55,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-10-16 16:59:55,945 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:59:55,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:55,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1618467147, now seen corresponding path program 1 times [2022-10-16 16:59:55,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:55,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328649843] [2022-10-16 16:59:55,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:55,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:55,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:56,209 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2022-10-16 16:59:56,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:56,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328649843] [2022-10-16 16:59:56,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328649843] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 16:59:56,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 16:59:56,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-10-16 16:59:56,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430720913] [2022-10-16 16:59:56,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 16:59:56,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-10-16 16:59:56,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:56,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-10-16 16:59:56,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-10-16 16:59:56,213 INFO L87 Difference]: Start difference. First operand 3192 states and 3801 transitions. Second operand has 5 states, 4 states have (on average 57.75) internal successors, (231), 5 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:59:56,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 16:59:56,960 INFO L93 Difference]: Finished difference Result 4315 states and 5150 transitions. [2022-10-16 16:59:56,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-16 16:59:56,961 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 57.75) internal successors, (231), 5 states have internal predecessors, (231), 0 states have call successors, (0), 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 331 [2022-10-16 16:59:56,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 16:59:56,966 INFO L225 Difference]: With dead ends: 4315 [2022-10-16 16:59:56,966 INFO L226 Difference]: Without dead ends: 4313 [2022-10-16 16:59:56,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-10-16 16:59:56,968 INFO L413 NwaCegarLoop]: 381 mSDtfsCounter, 704 mSDsluCounter, 800 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 704 SdHoareTripleChecker+Valid, 1181 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 16:59:56,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [704 Valid, 1181 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 16:59:56,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4313 states. [2022-10-16 16:59:57,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4313 to 3255. [2022-10-16 16:59:57,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3255 states, 3253 states have (on average 1.1872118044881648) internal successors, (3862), 3254 states have internal predecessors, (3862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:59:57,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3255 states to 3255 states and 3862 transitions. [2022-10-16 16:59:57,461 INFO L78 Accepts]: Start accepts. Automaton has 3255 states and 3862 transitions. Word has length 331 [2022-10-16 16:59:57,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 16:59:57,461 INFO L495 AbstractCegarLoop]: Abstraction has 3255 states and 3862 transitions. [2022-10-16 16:59:57,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 57.75) internal successors, (231), 5 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 16:59:57,462 INFO L276 IsEmpty]: Start isEmpty. Operand 3255 states and 3862 transitions. [2022-10-16 16:59:57,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 442 [2022-10-16 16:59:57,468 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 16:59:57,468 INFO L195 NwaCegarLoop]: trace histogram [8, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 16:59:57,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-10-16 16:59:57,468 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 16:59:57,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 16:59:57,469 INFO L85 PathProgramCache]: Analyzing trace with hash 329587913, now seen corresponding path program 1 times [2022-10-16 16:59:57,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 16:59:57,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055449178] [2022-10-16 16:59:57,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:57,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 16:59:57,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:57,887 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 204 proven. 109 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-10-16 16:59:57,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 16:59:57,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055449178] [2022-10-16 16:59:57,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055449178] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 16:59:57,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755116088] [2022-10-16 16:59:57,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 16:59:57,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 16:59:57,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 16:59:57,889 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 16:59:57,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-10-16 16:59:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 16:59:58,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 1225 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-16 16:59:58,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 16:59:58,327 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 204 proven. 109 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-10-16 16:59:58,327 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 16:59:58,610 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 204 proven. 109 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2022-10-16 16:59:58,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [755116088] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 16:59:58,610 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 16:59:58,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2022-10-16 16:59:58,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854058217] [2022-10-16 16:59:58,611 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 16:59:58,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 16:59:58,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 16:59:58,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 16:59:58,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-10-16 16:59:58,614 INFO L87 Difference]: Start difference. First operand 3255 states and 3862 transitions. Second operand has 13 states, 13 states have (on average 48.23076923076923) internal successors, (627), 13 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:00:00,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:00:00,431 INFO L93 Difference]: Finished difference Result 11146 states and 13244 transitions. [2022-10-16 17:00:00,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-16 17:00:00,431 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 48.23076923076923) internal successors, (627), 13 states have internal predecessors, (627), 0 states have call successors, (0), 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 441 [2022-10-16 17:00:00,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:00:00,441 INFO L225 Difference]: With dead ends: 11146 [2022-10-16 17:00:00,441 INFO L226 Difference]: Without dead ends: 9478 [2022-10-16 17:00:00,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 901 GetRequests, 880 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=139, Invalid=281, Unknown=0, NotChecked=0, Total=420 [2022-10-16 17:00:00,445 INFO L413 NwaCegarLoop]: 323 mSDtfsCounter, 3431 mSDsluCounter, 2815 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 79 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3431 SdHoareTripleChecker+Valid, 3138 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 79 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 17:00:00,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3431 Valid, 3138 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [79 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 17:00:00,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9478 states. [2022-10-16 17:00:01,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9478 to 8097. [2022-10-16 17:00:01,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8097 states, 8095 states have (on average 1.188140827671402) internal successors, (9618), 8096 states have internal predecessors, (9618), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:00:01,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8097 states to 8097 states and 9618 transitions. [2022-10-16 17:00:01,817 INFO L78 Accepts]: Start accepts. Automaton has 8097 states and 9618 transitions. Word has length 441 [2022-10-16 17:00:01,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:00:01,818 INFO L495 AbstractCegarLoop]: Abstraction has 8097 states and 9618 transitions. [2022-10-16 17:00:01,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 48.23076923076923) internal successors, (627), 13 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:00:01,818 INFO L276 IsEmpty]: Start isEmpty. Operand 8097 states and 9618 transitions. [2022-10-16 17:00:01,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 745 [2022-10-16 17:00:01,834 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:00:01,834 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:00:01,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-10-16 17:00:02,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-10-16 17:00:02,051 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:00:02,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:00:02,052 INFO L85 PathProgramCache]: Analyzing trace with hash -1791814496, now seen corresponding path program 1 times [2022-10-16 17:00:02,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:00:02,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708145405] [2022-10-16 17:00:02,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:00:02,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:00:02,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:02,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1809 backedges. 371 proven. 0 refuted. 0 times theorem prover too weak. 1438 trivial. 0 not checked. [2022-10-16 17:00:02,278 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:00:02,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708145405] [2022-10-16 17:00:02,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708145405] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-16 17:00:02,279 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-16 17:00:02,279 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-16 17:00:02,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634955020] [2022-10-16 17:00:02,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-16 17:00:02,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-16 17:00:02,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:00:02,281 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-16 17:00:02,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-16 17:00:02,281 INFO L87 Difference]: Start difference. First operand 8097 states and 9618 transitions. Second operand has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:00:02,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:00:02,743 INFO L93 Difference]: Finished difference Result 9929 states and 11634 transitions. [2022-10-16 17:00:02,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-16 17:00:02,743 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 0 states have call successors, (0), 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 744 [2022-10-16 17:00:02,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:00:02,746 INFO L225 Difference]: With dead ends: 9929 [2022-10-16 17:00:02,747 INFO L226 Difference]: Without dead ends: 2046 [2022-10-16 17:00:02,754 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 17:00:02,760 INFO L413 NwaCegarLoop]: 251 mSDtfsCounter, 175 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-16 17:00:02,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 312 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-16 17:00:02,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2046 states. [2022-10-16 17:00:03,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2046 to 1514. [2022-10-16 17:00:03,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1514 states, 1512 states have (on average 1.0906084656084656) internal successors, (1649), 1513 states have internal predecessors, (1649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:00:03,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1514 states to 1514 states and 1649 transitions. [2022-10-16 17:00:03,032 INFO L78 Accepts]: Start accepts. Automaton has 1514 states and 1649 transitions. Word has length 744 [2022-10-16 17:00:03,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:00:03,033 INFO L495 AbstractCegarLoop]: Abstraction has 1514 states and 1649 transitions. [2022-10-16 17:00:03,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 84.33333333333333) internal successors, (253), 3 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:00:03,033 INFO L276 IsEmpty]: Start isEmpty. Operand 1514 states and 1649 transitions. [2022-10-16 17:00:03,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 754 [2022-10-16 17:00:03,038 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:00:03,039 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:00:03,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-10-16 17:00:03,039 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:00:03,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:00:03,040 INFO L85 PathProgramCache]: Analyzing trace with hash 451098547, now seen corresponding path program 2 times [2022-10-16 17:00:03,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:00:03,040 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241092787] [2022-10-16 17:00:03,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:00:03,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:00:03,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:04,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1751 backedges. 1182 proven. 39 refuted. 0 times theorem prover too weak. 530 trivial. 0 not checked. [2022-10-16 17:00:04,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:00:04,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241092787] [2022-10-16 17:00:04,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241092787] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:00:04,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [752045385] [2022-10-16 17:00:04,339 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-16 17:00:04,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:00:04,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:00:04,340 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:00:04,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-10-16 17:00:04,642 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-16 17:00:04,642 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-16 17:00:04,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 2023 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-16 17:00:04,663 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:00:05,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1751 backedges. 1044 proven. 93 refuted. 0 times theorem prover too weak. 614 trivial. 0 not checked. [2022-10-16 17:00:05,008 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:00:05,440 INFO L134 CoverageAnalysis]: Checked inductivity of 1751 backedges. 1044 proven. 93 refuted. 0 times theorem prover too weak. 614 trivial. 0 not checked. [2022-10-16 17:00:05,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [752045385] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:00:05,440 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:00:05,441 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11, 11] total 19 [2022-10-16 17:00:05,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451608537] [2022-10-16 17:00:05,441 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:00:05,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-10-16 17:00:05,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:00:05,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-10-16 17:00:05,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2022-10-16 17:00:05,444 INFO L87 Difference]: Start difference. First operand 1514 states and 1649 transitions. Second operand has 19 states, 19 states have (on average 33.10526315789474) internal successors, (629), 19 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 17:00:08,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:00:08,701 INFO L93 Difference]: Finished difference Result 4666 states and 5086 transitions. [2022-10-16 17:00:08,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2022-10-16 17:00:08,701 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 33.10526315789474) internal successors, (629), 19 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) Word has length 753 [2022-10-16 17:00:08,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:00:08,706 INFO L225 Difference]: With dead ends: 4666 [2022-10-16 17:00:08,706 INFO L226 Difference]: Without dead ends: 3614 [2022-10-16 17:00:08,710 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1617 GetRequests, 1520 SyntacticMatches, 11 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2415 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1570, Invalid=6086, Unknown=0, NotChecked=0, Total=7656 [2022-10-16 17:00:08,711 INFO L413 NwaCegarLoop]: 918 mSDtfsCounter, 3827 mSDsluCounter, 7592 mSDsCounter, 0 mSdLazyCounter, 1036 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3827 SdHoareTripleChecker+Valid, 8510 SdHoareTripleChecker+Invalid, 1133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 1036 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-10-16 17:00:08,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3827 Valid, 8510 Invalid, 1133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 1036 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-10-16 17:00:08,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3614 states. [2022-10-16 17:00:09,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3614 to 1720. [2022-10-16 17:00:09,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1720 states, 1718 states have (on average 1.0826542491268918) internal successors, (1860), 1719 states have internal predecessors, (1860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:00:09,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1720 states to 1720 states and 1860 transitions. [2022-10-16 17:00:09,079 INFO L78 Accepts]: Start accepts. Automaton has 1720 states and 1860 transitions. Word has length 753 [2022-10-16 17:00:09,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:00:09,079 INFO L495 AbstractCegarLoop]: Abstraction has 1720 states and 1860 transitions. [2022-10-16 17:00:09,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 33.10526315789474) internal successors, (629), 19 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 17:00:09,080 INFO L276 IsEmpty]: Start isEmpty. Operand 1720 states and 1860 transitions. [2022-10-16 17:00:09,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 757 [2022-10-16 17:00:09,087 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:00:09,087 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:00:09,112 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-10-16 17:00:09,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:00:09,289 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:00:09,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:00:09,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1195190392, now seen corresponding path program 1 times [2022-10-16 17:00:09,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:00:09,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184188126] [2022-10-16 17:00:09,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:00:09,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:00:09,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:10,445 INFO L134 CoverageAnalysis]: Checked inductivity of 1754 backedges. 1052 proven. 357 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2022-10-16 17:00:10,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:00:10,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184188126] [2022-10-16 17:00:10,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184188126] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:00:10,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [695328776] [2022-10-16 17:00:10,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:00:10,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:00:10,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:00:10,447 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:00:10,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-10-16 17:00:10,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:10,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 2026 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-16 17:00:10,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:00:11,221 INFO L134 CoverageAnalysis]: Checked inductivity of 1754 backedges. 1265 proven. 144 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2022-10-16 17:00:11,222 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:00:11,754 INFO L134 CoverageAnalysis]: Checked inductivity of 1754 backedges. 1265 proven. 144 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2022-10-16 17:00:11,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [695328776] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:00:11,754 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:00:11,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 17 [2022-10-16 17:00:11,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109028515] [2022-10-16 17:00:11,755 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:00:11,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-10-16 17:00:11,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:00:11,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-10-16 17:00:11,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2022-10-16 17:00:11,761 INFO L87 Difference]: Start difference. First operand 1720 states and 1860 transitions. Second operand has 17 states, 17 states have (on average 38.94117647058823) internal successors, (662), 17 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:00:13,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:00:13,422 INFO L93 Difference]: Finished difference Result 3637 states and 3923 transitions. [2022-10-16 17:00:13,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2022-10-16 17:00:13,423 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 38.94117647058823) internal successors, (662), 17 states have internal predecessors, (662), 0 states have call successors, (0), 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 756 [2022-10-16 17:00:13,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:00:13,427 INFO L225 Difference]: With dead ends: 3637 [2022-10-16 17:00:13,427 INFO L226 Difference]: Without dead ends: 2961 [2022-10-16 17:00:13,428 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1583 GetRequests, 1519 SyntacticMatches, 14 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 641 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=582, Invalid=2070, Unknown=0, NotChecked=0, Total=2652 [2022-10-16 17:00:13,429 INFO L413 NwaCegarLoop]: 1247 mSDtfsCounter, 2905 mSDsluCounter, 8348 mSDsCounter, 0 mSdLazyCounter, 870 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2905 SdHoareTripleChecker+Valid, 9595 SdHoareTripleChecker+Invalid, 950 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 870 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-16 17:00:13,429 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2905 Valid, 9595 Invalid, 950 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 870 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-16 17:00:13,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2961 states. [2022-10-16 17:00:13,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2961 to 1720. [2022-10-16 17:00:13,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1720 states, 1718 states have (on average 1.080325960419092) internal successors, (1856), 1719 states have internal predecessors, (1856), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:00:13,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1720 states to 1720 states and 1856 transitions. [2022-10-16 17:00:13,769 INFO L78 Accepts]: Start accepts. Automaton has 1720 states and 1856 transitions. Word has length 756 [2022-10-16 17:00:13,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:00:13,769 INFO L495 AbstractCegarLoop]: Abstraction has 1720 states and 1856 transitions. [2022-10-16 17:00:13,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 38.94117647058823) internal successors, (662), 17 states have internal predecessors, (662), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:00:13,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1720 states and 1856 transitions. [2022-10-16 17:00:13,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 759 [2022-10-16 17:00:13,777 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:00:13,777 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:00:13,803 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-10-16 17:00:13,982 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30 [2022-10-16 17:00:13,983 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:00:13,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:00:13,984 INFO L85 PathProgramCache]: Analyzing trace with hash 384158606, now seen corresponding path program 1 times [2022-10-16 17:00:13,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:00:13,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285584094] [2022-10-16 17:00:13,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:00:13,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:00:14,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:15,182 INFO L134 CoverageAnalysis]: Checked inductivity of 1755 backedges. 1053 proven. 514 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2022-10-16 17:00:15,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:00:15,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285584094] [2022-10-16 17:00:15,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285584094] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:00:15,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [84982169] [2022-10-16 17:00:15,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:00:15,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:00:15,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:00:15,185 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:00:15,210 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-10-16 17:00:15,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:15,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 2028 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-16 17:00:15,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:00:16,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1755 backedges. 1371 proven. 196 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2022-10-16 17:00:16,011 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:00:16,725 INFO L134 CoverageAnalysis]: Checked inductivity of 1755 backedges. 1371 proven. 196 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2022-10-16 17:00:16,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [84982169] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:00:16,725 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:00:16,725 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 19 [2022-10-16 17:00:16,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385769670] [2022-10-16 17:00:16,726 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:00:16,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-10-16 17:00:16,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:00:16,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-10-16 17:00:16,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2022-10-16 17:00:16,729 INFO L87 Difference]: Start difference. First operand 1720 states and 1856 transitions. Second operand has 19 states, 19 states have (on average 38.8421052631579) internal successors, (738), 19 states have internal predecessors, (738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:00:18,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:00:18,776 INFO L93 Difference]: Finished difference Result 3851 states and 4148 transitions. [2022-10-16 17:00:18,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-10-16 17:00:18,776 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 38.8421052631579) internal successors, (738), 19 states have internal predecessors, (738), 0 states have call successors, (0), 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 758 [2022-10-16 17:00:18,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:00:18,780 INFO L225 Difference]: With dead ends: 3851 [2022-10-16 17:00:18,780 INFO L226 Difference]: Without dead ends: 3273 [2022-10-16 17:00:18,782 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1598 GetRequests, 1524 SyntacticMatches, 17 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 862 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=766, Invalid=2656, Unknown=0, NotChecked=0, Total=3422 [2022-10-16 17:00:18,783 INFO L413 NwaCegarLoop]: 1569 mSDtfsCounter, 3192 mSDsluCounter, 12864 mSDsCounter, 0 mSdLazyCounter, 1356 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3192 SdHoareTripleChecker+Valid, 14433 SdHoareTripleChecker+Invalid, 1440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 1356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-10-16 17:00:18,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3192 Valid, 14433 Invalid, 1440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 1356 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-10-16 17:00:18,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3273 states. [2022-10-16 17:00:19,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3273 to 1720. [2022-10-16 17:00:19,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1720 states, 1718 states have (on average 1.0791618160651921) internal successors, (1854), 1719 states have internal predecessors, (1854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:00:19,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1720 states to 1720 states and 1854 transitions. [2022-10-16 17:00:19,135 INFO L78 Accepts]: Start accepts. Automaton has 1720 states and 1854 transitions. Word has length 758 [2022-10-16 17:00:19,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:00:19,136 INFO L495 AbstractCegarLoop]: Abstraction has 1720 states and 1854 transitions. [2022-10-16 17:00:19,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 38.8421052631579) internal successors, (738), 19 states have internal predecessors, (738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:00:19,136 INFO L276 IsEmpty]: Start isEmpty. Operand 1720 states and 1854 transitions. [2022-10-16 17:00:19,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 760 [2022-10-16 17:00:19,143 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:00:19,144 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:00:19,172 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-10-16 17:00:19,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2022-10-16 17:00:19,361 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:00:19,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:00:19,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1153472603, now seen corresponding path program 1 times [2022-10-16 17:00:19,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:00:19,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141538727] [2022-10-16 17:00:19,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:00:19,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:00:19,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:20,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1755 backedges. 551 proven. 48 refuted. 0 times theorem prover too weak. 1156 trivial. 0 not checked. [2022-10-16 17:00:20,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:00:20,249 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141538727] [2022-10-16 17:00:20,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141538727] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:00:20,250 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2101904156] [2022-10-16 17:00:20,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:00:20,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:00:20,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:00:20,252 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:00:20,278 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-10-16 17:00:20,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:20,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 2029 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-16 17:00:20,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:00:20,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1755 backedges. 554 proven. 45 refuted. 0 times theorem prover too weak. 1156 trivial. 0 not checked. [2022-10-16 17:00:20,826 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:00:21,035 INFO L134 CoverageAnalysis]: Checked inductivity of 1755 backedges. 554 proven. 45 refuted. 0 times theorem prover too weak. 1156 trivial. 0 not checked. [2022-10-16 17:00:21,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2101904156] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:00:21,036 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:00:21,036 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 13 [2022-10-16 17:00:21,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188490320] [2022-10-16 17:00:21,037 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:00:21,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-16 17:00:21,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:00:21,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-16 17:00:21,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-10-16 17:00:21,039 INFO L87 Difference]: Start difference. First operand 1720 states and 1854 transitions. Second operand has 13 states, 13 states have (on average 36.15384615384615) internal successors, (470), 13 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:00:22,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:00:22,285 INFO L93 Difference]: Finished difference Result 2921 states and 3166 transitions. [2022-10-16 17:00:22,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-10-16 17:00:22,286 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 36.15384615384615) internal successors, (470), 13 states have internal predecessors, (470), 0 states have call successors, (0), 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 759 [2022-10-16 17:00:22,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:00:22,290 INFO L225 Difference]: With dead ends: 2921 [2022-10-16 17:00:22,290 INFO L226 Difference]: Without dead ends: 2724 [2022-10-16 17:00:22,291 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1573 GetRequests, 1527 SyntacticMatches, 8 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 357 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=355, Invalid=1205, Unknown=0, NotChecked=0, Total=1560 [2022-10-16 17:00:22,292 INFO L413 NwaCegarLoop]: 644 mSDtfsCounter, 2210 mSDsluCounter, 3221 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2210 SdHoareTripleChecker+Valid, 3865 SdHoareTripleChecker+Invalid, 431 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-16 17:00:22,292 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2210 Valid, 3865 Invalid, 431 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-16 17:00:22,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2724 states. [2022-10-16 17:00:22,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2724 to 1720. [2022-10-16 17:00:22,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1720 states, 1718 states have (on average 1.0779976717112922) internal successors, (1852), 1719 states have internal predecessors, (1852), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:00:22,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1720 states to 1720 states and 1852 transitions. [2022-10-16 17:00:22,742 INFO L78 Accepts]: Start accepts. Automaton has 1720 states and 1852 transitions. Word has length 759 [2022-10-16 17:00:22,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:00:22,743 INFO L495 AbstractCegarLoop]: Abstraction has 1720 states and 1852 transitions. [2022-10-16 17:00:22,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 36.15384615384615) internal successors, (470), 13 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:00:22,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1720 states and 1852 transitions. [2022-10-16 17:00:22,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 761 [2022-10-16 17:00:22,749 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:00:22,750 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:00:22,775 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2022-10-16 17:00:22,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2022-10-16 17:00:22,957 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:00:22,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:00:22,958 INFO L85 PathProgramCache]: Analyzing trace with hash 75009882, now seen corresponding path program 1 times [2022-10-16 17:00:22,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:00:22,958 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633416046] [2022-10-16 17:00:22,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:00:22,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:00:23,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:23,629 INFO L134 CoverageAnalysis]: Checked inductivity of 1755 backedges. 482 proven. 113 refuted. 0 times theorem prover too weak. 1160 trivial. 0 not checked. [2022-10-16 17:00:23,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:00:23,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633416046] [2022-10-16 17:00:23,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633416046] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:00:23,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448885235] [2022-10-16 17:00:23,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:00:23,630 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:00:23,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:00:23,631 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:00:23,653 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-10-16 17:00:23,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:23,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 2030 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-16 17:00:23,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:00:24,224 INFO L134 CoverageAnalysis]: Checked inductivity of 1755 backedges. 482 proven. 113 refuted. 0 times theorem prover too weak. 1160 trivial. 0 not checked. [2022-10-16 17:00:24,224 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:00:24,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1755 backedges. 482 proven. 113 refuted. 0 times theorem prover too weak. 1160 trivial. 0 not checked. [2022-10-16 17:00:24,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [448885235] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:00:24,539 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:00:24,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2022-10-16 17:00:24,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665979542] [2022-10-16 17:00:24,540 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:00:24,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 17:00:24,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:00:24,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 17:00:24,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2022-10-16 17:00:24,543 INFO L87 Difference]: Start difference. First operand 1720 states and 1852 transitions. Second operand has 14 states, 13 states have (on average 51.46153846153846) internal successors, (669), 14 states have internal predecessors, (669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:00:25,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:00:25,406 INFO L93 Difference]: Finished difference Result 2260 states and 2443 transitions. [2022-10-16 17:00:25,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-10-16 17:00:25,407 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 51.46153846153846) internal successors, (669), 14 states have internal predecessors, (669), 0 states have call successors, (0), 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 760 [2022-10-16 17:00:25,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:00:25,410 INFO L225 Difference]: With dead ends: 2260 [2022-10-16 17:00:25,410 INFO L226 Difference]: Without dead ends: 2259 [2022-10-16 17:00:25,411 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1555 GetRequests, 1523 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=315, Invalid=741, Unknown=0, NotChecked=0, Total=1056 [2022-10-16 17:00:25,412 INFO L413 NwaCegarLoop]: 323 mSDtfsCounter, 3302 mSDsluCounter, 1469 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 90 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3302 SdHoareTripleChecker+Valid, 1792 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 90 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 17:00:25,413 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3302 Valid, 1792 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [90 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 17:00:25,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2259 states. [2022-10-16 17:00:25,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2259 to 1719. [2022-10-16 17:00:25,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1719 states, 1718 states have (on average 1.0774155995343422) internal successors, (1851), 1718 states have internal predecessors, (1851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:00:25,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1719 states to 1719 states and 1851 transitions. [2022-10-16 17:00:25,788 INFO L78 Accepts]: Start accepts. Automaton has 1719 states and 1851 transitions. Word has length 760 [2022-10-16 17:00:25,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:00:25,789 INFO L495 AbstractCegarLoop]: Abstraction has 1719 states and 1851 transitions. [2022-10-16 17:00:25,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 51.46153846153846) internal successors, (669), 14 states have internal predecessors, (669), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:00:25,789 INFO L276 IsEmpty]: Start isEmpty. Operand 1719 states and 1851 transitions. [2022-10-16 17:00:25,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 762 [2022-10-16 17:00:25,794 INFO L187 NwaCegarLoop]: Found error trace [2022-10-16 17:00:25,795 INFO L195 NwaCegarLoop]: trace histogram [14, 10, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-16 17:00:25,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-10-16 17:00:25,995 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:00:25,996 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-16 17:00:25,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-16 17:00:25,997 INFO L85 PathProgramCache]: Analyzing trace with hash -1969659954, now seen corresponding path program 1 times [2022-10-16 17:00:25,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-16 17:00:25,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390071998] [2022-10-16 17:00:25,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:00:25,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-16 17:00:26,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:26,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1756 backedges. 482 proven. 114 refuted. 0 times theorem prover too weak. 1160 trivial. 0 not checked. [2022-10-16 17:00:26,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-16 17:00:26,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390071998] [2022-10-16 17:00:26,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390071998] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-16 17:00:26,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1626138922] [2022-10-16 17:00:26,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-16 17:00:26,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:00:26,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-16 17:00:26,688 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-16 17:00:26,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-10-16 17:00:27,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-16 17:00:27,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 2031 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-16 17:00:27,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-16 17:00:27,253 INFO L134 CoverageAnalysis]: Checked inductivity of 1756 backedges. 485 proven. 111 refuted. 0 times theorem prover too weak. 1160 trivial. 0 not checked. [2022-10-16 17:00:27,253 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-16 17:00:27,602 INFO L134 CoverageAnalysis]: Checked inductivity of 1756 backedges. 485 proven. 111 refuted. 0 times theorem prover too weak. 1160 trivial. 0 not checked. [2022-10-16 17:00:27,603 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1626138922] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-16 17:00:27,603 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-16 17:00:27,603 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2022-10-16 17:00:27,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882657172] [2022-10-16 17:00:27,604 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-16 17:00:27,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-10-16 17:00:27,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-16 17:00:27,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-10-16 17:00:27,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2022-10-16 17:00:27,607 INFO L87 Difference]: Start difference. First operand 1719 states and 1851 transitions. Second operand has 14 states, 13 states have (on average 51.61538461538461) internal successors, (671), 14 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:00:28,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-16 17:00:28,524 INFO L93 Difference]: Finished difference Result 2447 states and 2647 transitions. [2022-10-16 17:00:28,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-16 17:00:28,524 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 51.61538461538461) internal successors, (671), 14 states have internal predecessors, (671), 0 states have call successors, (0), 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 761 [2022-10-16 17:00:28,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-16 17:00:28,525 INFO L225 Difference]: With dead ends: 2447 [2022-10-16 17:00:28,525 INFO L226 Difference]: Without dead ends: 0 [2022-10-16 17:00:28,528 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1550 GetRequests, 1523 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=212, Invalid=544, Unknown=0, NotChecked=0, Total=756 [2022-10-16 17:00:28,529 INFO L413 NwaCegarLoop]: 547 mSDtfsCounter, 2500 mSDsluCounter, 2227 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2500 SdHoareTripleChecker+Valid, 2774 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-16 17:00:28,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2500 Valid, 2774 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-16 17:00:28,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-10-16 17:00:28,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-10-16 17:00:28,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:00:28,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-10-16 17:00:28,530 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 761 [2022-10-16 17:00:28,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-16 17:00:28,530 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-16 17:00:28,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 51.61538461538461) internal successors, (671), 14 states have internal predecessors, (671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-16 17:00:28,531 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-10-16 17:00:28,531 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-16 17:00:28,534 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-10-16 17:00:28,534 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-10-16 17:00:28,534 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-10-16 17:00:28,534 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-10-16 17:00:28,535 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-10-16 17:00:28,535 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-10-16 17:00:28,535 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-10-16 17:00:28,535 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-10-16 17:00:28,564 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-10-16 17:00:28,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-16 17:00:28,755 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-10-16 17:00:34,727 WARN L233 SmtUtils]: Spent 5.94s on a formula simplification. DAG size of input: 134 DAG size of output: 132 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-10-16 17:01:33,452 WARN L233 SmtUtils]: Spent 58.72s on a formula simplification. DAG size of input: 206 DAG size of output: 202 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2022-10-16 17:01:38,798 WARN L233 SmtUtils]: Spent 5.34s on a formula simplification. DAG size of input: 134 DAG size of output: 132 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or)