/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/array-cav19/array_init_pair_symmetr2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-05d3305-m [2022-10-15 20:06:36,093 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-15 20:06:36,096 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-15 20:06:36,132 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-15 20:06:36,132 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-15 20:06:36,134 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-15 20:06:36,136 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-15 20:06:36,139 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-15 20:06:36,141 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-15 20:06:36,142 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-15 20:06:36,144 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-15 20:06:36,146 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-15 20:06:36,146 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-15 20:06:36,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-15 20:06:36,149 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-15 20:06:36,151 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-15 20:06:36,152 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-15 20:06:36,168 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-15 20:06:36,170 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-15 20:06:36,173 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-15 20:06:36,175 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-15 20:06:36,177 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-15 20:06:36,178 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-15 20:06:36,179 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-15 20:06:36,184 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-10-15 20:06:36,188 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-15 20:06:36,190 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-15 20:06:36,191 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-15 20:06:36,192 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-15 20:06:36,193 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-15 20:06:36,193 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-15 20:06:36,194 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-15 20:06:36,195 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-15 20:06:36,195 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-15 20:06:36,196 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-15 20:06:36,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-15 20:06:36,199 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 [2022-10-15 20:06:36,232 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-15 20:06:36,232 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-15 20:06:36,233 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-15 20:06:36,233 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-15 20:06:36,234 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-15 20:06:36,234 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-15 20:06:36,235 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-15 20:06:36,236 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-15 20:06:36,236 INFO L138 SettingsManager]: * Use SBE=true [2022-10-15 20:06:36,236 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-15 20:06:36,236 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-15 20:06:36,237 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-15 20:06:36,237 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-15 20:06:36,237 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-15 20:06:36,237 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-15 20:06:36,238 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-15 20:06:36,238 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-15 20:06:36,238 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-15 20:06:36,239 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-15 20:06:36,239 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-15 20:06:36,239 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-15 20:06:36,240 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-15 20:06:36,240 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-15 20:06:36,240 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-15 20:06:36,240 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-15 20:06:36,241 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-15 20:06:36,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 20:06:36,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-15 20:06:36,242 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-15 20:06:36,242 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-15 20:06:36,242 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-15 20:06:36,242 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-15 20:06:36,243 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-15 20:06:36,243 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-10-15 20:06:36,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-15 20:06:36,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-15 20:06:36,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-15 20:06:36,655 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-15 20:06:36,655 INFO L275 PluginConnector]: CDTParser initialized [2022-10-15 20:06:36,658 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-cav19/array_init_pair_symmetr2.c [2022-10-15 20:06:36,745 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80087709e/5dc48b52cdbd49fd93a9b72e23bbb5ac/FLAGfbbdcbb32 [2022-10-15 20:06:37,364 INFO L306 CDTParser]: Found 1 translation units. [2022-10-15 20:06:37,364 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-cav19/array_init_pair_symmetr2.c [2022-10-15 20:06:37,376 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80087709e/5dc48b52cdbd49fd93a9b72e23bbb5ac/FLAGfbbdcbb32 [2022-10-15 20:06:37,723 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80087709e/5dc48b52cdbd49fd93a9b72e23bbb5ac [2022-10-15 20:06:37,725 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-15 20:06:37,731 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-10-15 20:06:37,734 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-15 20:06:37,734 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-15 20:06:37,738 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-15 20:06:37,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:06:37" (1/1) ... [2022-10-15 20:06:37,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@651f17d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:06:37, skipping insertion in model container [2022-10-15 20:06:37,740 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:06:37" (1/1) ... [2022-10-15 20:06:37,748 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-15 20:06:37,763 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-15 20:06:37,922 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/array-cav19/array_init_pair_symmetr2.c[415,428] [2022-10-15 20:06:37,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 20:06:37,952 INFO L203 MainTranslator]: Completed pre-run [2022-10-15 20:06:37,967 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/array-cav19/array_init_pair_symmetr2.c[415,428] [2022-10-15 20:06:37,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-15 20:06:37,993 INFO L208 MainTranslator]: Completed translation [2022-10-15 20:06:37,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:06:37 WrapperNode [2022-10-15 20:06:37,993 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-15 20:06:37,995 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-15 20:06:37,995 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-15 20:06:37,995 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-15 20:06:38,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:06:37" (1/1) ... [2022-10-15 20:06:38,012 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:06:37" (1/1) ... [2022-10-15 20:06:38,038 INFO L138 Inliner]: procedures = 15, calls = 26, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 85 [2022-10-15 20:06:38,039 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-15 20:06:38,040 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-15 20:06:38,040 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-15 20:06:38,040 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-15 20:06:38,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:06:37" (1/1) ... [2022-10-15 20:06:38,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:06:37" (1/1) ... [2022-10-15 20:06:38,054 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:06:37" (1/1) ... [2022-10-15 20:06:38,054 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:06:37" (1/1) ... [2022-10-15 20:06:38,061 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:06:37" (1/1) ... [2022-10-15 20:06:38,066 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:06:37" (1/1) ... [2022-10-15 20:06:38,068 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:06:37" (1/1) ... [2022-10-15 20:06:38,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:06:37" (1/1) ... [2022-10-15 20:06:38,078 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-15 20:06:38,079 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-15 20:06:38,079 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-15 20:06:38,080 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-15 20:06:38,080 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:06:37" (1/1) ... [2022-10-15 20:06:38,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-15 20:06:38,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 20:06:38,127 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) [2022-10-15 20:06:38,135 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 [2022-10-15 20:06:38,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-15 20:06:38,204 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-10-15 20:06:38,205 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-10-15 20:06:38,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-15 20:06:38,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-15 20:06:38,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-15 20:06:38,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-15 20:06:38,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-15 20:06:38,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-15 20:06:38,206 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-15 20:06:38,339 INFO L235 CfgBuilder]: Building ICFG [2022-10-15 20:06:38,341 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-15 20:06:38,587 INFO L276 CfgBuilder]: Performing block encoding [2022-10-15 20:06:38,597 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-15 20:06:38,597 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-15 20:06:38,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:06:38 BoogieIcfgContainer [2022-10-15 20:06:38,600 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-15 20:06:38,603 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-15 20:06:38,603 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-15 20:06:38,616 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-15 20:06:38,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 08:06:37" (1/3) ... [2022-10-15 20:06:38,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@610625e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:06:38, skipping insertion in model container [2022-10-15 20:06:38,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:06:37" (2/3) ... [2022-10-15 20:06:38,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@610625e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:06:38, skipping insertion in model container [2022-10-15 20:06:38,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:06:38" (3/3) ... [2022-10-15 20:06:38,623 INFO L112 eAbstractionObserver]: Analyzing ICFG array_init_pair_symmetr2.c [2022-10-15 20:06:38,661 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-15 20:06:38,662 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-10-15 20:06:38,882 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-15 20:06:38,897 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;@16736ac, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-15 20:06:38,897 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-10-15 20:06:38,922 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 36 states have internal predecessors, (44), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-15 20:06:38,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-15 20:06:38,938 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 20:06:38,939 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-10-15 20:06:38,941 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-15 20:06:38,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 20:06:38,957 INFO L85 PathProgramCache]: Analyzing trace with hash 890030214, now seen corresponding path program 1 times [2022-10-15 20:06:38,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 20:06:38,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348577798] [2022-10-15 20:06:38,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:06:38,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 20:06:39,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:39,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 20:06:39,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 20:06:39,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348577798] [2022-10-15 20:06:39,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348577798] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 20:06:39,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 20:06:39,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-15 20:06:39,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423577034] [2022-10-15 20:06:39,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 20:06:39,336 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-10-15 20:06:39,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 20:06:39,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-10-15 20:06:39,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 20:06:39,393 INFO L87 Difference]: Start difference. First operand has 41 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 36 states have internal predecessors, (44), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 20:06:39,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 20:06:39,431 INFO L93 Difference]: Finished difference Result 80 states and 101 transitions. [2022-10-15 20:06:39,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-10-15 20:06:39,435 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 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 6 [2022-10-15 20:06:39,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 20:06:39,453 INFO L225 Difference]: With dead ends: 80 [2022-10-15 20:06:39,453 INFO L226 Difference]: Without dead ends: 36 [2022-10-15 20:06:39,462 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-10-15 20:06:39,469 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-10-15 20:06:39,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-10-15 20:06:39,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-10-15 20:06:39,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2022-10-15 20:06:39,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 31 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-15 20:06:39,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 40 transitions. [2022-10-15 20:06:39,538 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 40 transitions. Word has length 6 [2022-10-15 20:06:39,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 20:06:39,539 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 40 transitions. [2022-10-15 20:06:39,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 20:06:39,542 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 40 transitions. [2022-10-15 20:06:39,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-15 20:06:39,542 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 20:06:39,543 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-10-15 20:06:39,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-15 20:06:39,544 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-15 20:06:39,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 20:06:39,545 INFO L85 PathProgramCache]: Analyzing trace with hash 889613140, now seen corresponding path program 1 times [2022-10-15 20:06:39,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 20:06:39,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110023795] [2022-10-15 20:06:39,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:06:39,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 20:06:39,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:39,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-15 20:06:39,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 20:06:39,837 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110023795] [2022-10-15 20:06:39,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1110023795] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 20:06:39,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 20:06:39,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 20:06:39,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700693476] [2022-10-15 20:06:39,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 20:06:39,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 20:06:39,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 20:06:39,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 20:06:39,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 20:06:39,845 INFO L87 Difference]: Start difference. First operand 36 states and 40 transitions. Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 20:06:40,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 20:06:40,038 INFO L93 Difference]: Finished difference Result 76 states and 86 transitions. [2022-10-15 20:06:40,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 20:06:40,039 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 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 6 [2022-10-15 20:06:40,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 20:06:40,044 INFO L225 Difference]: With dead ends: 76 [2022-10-15 20:06:40,044 INFO L226 Difference]: Without dead ends: 56 [2022-10-15 20:06:40,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-10-15 20:06:40,054 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 74 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 20:06:40,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 47 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 20:06:40,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-10-15 20:06:40,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 38. [2022-10-15 20:06:40,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 26 states have (on average 1.3846153846153846) internal successors, (36), 33 states have internal predecessors, (36), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-10-15 20:06:40,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2022-10-15 20:06:40,089 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 6 [2022-10-15 20:06:40,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 20:06:40,093 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2022-10-15 20:06:40,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-15 20:06:40,093 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2022-10-15 20:06:40,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-15 20:06:40,094 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 20:06:40,096 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 20:06:40,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-15 20:06:40,098 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-15 20:06:40,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 20:06:40,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1246224054, now seen corresponding path program 1 times [2022-10-15 20:06:40,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 20:06:40,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240220636] [2022-10-15 20:06:40,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:06:40,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 20:06:40,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:40,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 20:06:40,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:40,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 20:06:40,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:40,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 20:06:40,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:40,289 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-15 20:06:40,289 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 20:06:40,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240220636] [2022-10-15 20:06:40,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240220636] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 20:06:40,290 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-15 20:06:40,290 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-15 20:06:40,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24107875] [2022-10-15 20:06:40,291 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 20:06:40,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-10-15 20:06:40,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 20:06:40,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-10-15 20:06:40,292 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-10-15 20:06:40,293 INFO L87 Difference]: Start difference. First operand 38 states and 42 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-15 20:06:40,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 20:06:40,365 INFO L93 Difference]: Finished difference Result 56 states and 63 transitions. [2022-10-15 20:06:40,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-10-15 20:06:40,366 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 21 [2022-10-15 20:06:40,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 20:06:40,368 INFO L225 Difference]: With dead ends: 56 [2022-10-15 20:06:40,368 INFO L226 Difference]: Without dead ends: 54 [2022-10-15 20:06:40,369 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-10-15 20:06:40,370 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 12 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 20:06:40,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 91 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 20:06:40,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-10-15 20:06:40,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 45. [2022-10-15 20:06:40,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 37 states have internal predecessors, (40), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-10-15 20:06:40,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 52 transitions. [2022-10-15 20:06:40,384 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 52 transitions. Word has length 21 [2022-10-15 20:06:40,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 20:06:40,384 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 52 transitions. [2022-10-15 20:06:40,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-10-15 20:06:40,385 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 52 transitions. [2022-10-15 20:06:40,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-15 20:06:40,387 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 20:06:40,387 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-15 20:06:40,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-15 20:06:40,388 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)] === [2022-10-15 20:06:40,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 20:06:40,389 INFO L85 PathProgramCache]: Analyzing trace with hash 391615182, now seen corresponding path program 1 times [2022-10-15 20:06:40,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 20:06:40,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129739247] [2022-10-15 20:06:40,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:06:40,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 20:06:40,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:40,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 20:06:40,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:40,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 20:06:40,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:40,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 20:06:40,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:40,723 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-15 20:06:40,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 20:06:40,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129739247] [2022-10-15 20:06:40,729 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129739247] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 20:06:40,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1993038085] [2022-10-15 20:06:40,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:06:40,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 20:06:40,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 20:06:40,732 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) [2022-10-15 20:06:40,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-15 20:06:40,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:40,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-15 20:06:40,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 20:06:41,002 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-15 20:06:41,003 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 20:06:41,079 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-15 20:06:41,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1993038085] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 20:06:41,079 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 20:06:41,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 13 [2022-10-15 20:06:41,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470923833] [2022-10-15 20:06:41,080 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 20:06:41,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-10-15 20:06:41,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 20:06:41,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-10-15 20:06:41,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2022-10-15 20:06:41,083 INFO L87 Difference]: Start difference. First operand 45 states and 52 transitions. Second operand has 13 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 13 states have internal predecessors, (32), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-10-15 20:06:41,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 20:06:41,321 INFO L93 Difference]: Finished difference Result 94 states and 107 transitions. [2022-10-15 20:06:41,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-10-15 20:06:41,321 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 13 states have internal predecessors, (32), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 26 [2022-10-15 20:06:41,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 20:06:41,323 INFO L225 Difference]: With dead ends: 94 [2022-10-15 20:06:41,323 INFO L226 Difference]: Without dead ends: 73 [2022-10-15 20:06:41,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=198, Unknown=0, NotChecked=0, Total=306 [2022-10-15 20:06:41,325 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 121 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-10-15 20:06:41,326 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 100 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-10-15 20:06:41,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2022-10-15 20:06:41,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 54. [2022-10-15 20:06:41,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 36 states have (on average 1.3333333333333333) internal successors, (48), 43 states have internal predecessors, (48), 9 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2022-10-15 20:06:41,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 66 transitions. [2022-10-15 20:06:41,339 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 66 transitions. Word has length 26 [2022-10-15 20:06:41,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 20:06:41,340 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 66 transitions. [2022-10-15 20:06:41,340 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.4615384615384617) internal successors, (32), 13 states have internal predecessors, (32), 3 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-10-15 20:06:41,340 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions. [2022-10-15 20:06:41,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-15 20:06:41,342 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 20:06:41,342 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-10-15 20:06:41,384 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-10-15 20:06:41,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 20:06:41,556 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)] === [2022-10-15 20:06:41,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 20:06:41,557 INFO L85 PathProgramCache]: Analyzing trace with hash 338138108, now seen corresponding path program 1 times [2022-10-15 20:06:41,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 20:06:41,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [145862275] [2022-10-15 20:06:41,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:06:41,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 20:06:41,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:41,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 20:06:41,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:41,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 20:06:41,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:41,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 20:06:41,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:41,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 20:06:41,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:41,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-15 20:06:41,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:41,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-15 20:06:41,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:41,741 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-15 20:06:41,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 20:06:41,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [145862275] [2022-10-15 20:06:41,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [145862275] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 20:06:41,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [838745465] [2022-10-15 20:06:41,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:06:41,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 20:06:41,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 20:06:41,744 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) [2022-10-15 20:06:41,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-10-15 20:06:41,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:41,823 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-15 20:06:41,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 20:06:41,879 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-15 20:06:41,879 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 20:06:41,952 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-15 20:06:41,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [838745465] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 20:06:41,953 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 20:06:41,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-10-15 20:06:41,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [99830213] [2022-10-15 20:06:41,954 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 20:06:41,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-10-15 20:06:41,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 20:06:41,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-10-15 20:06:41,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2022-10-15 20:06:41,956 INFO L87 Difference]: Start difference. First operand 54 states and 66 transitions. Second operand has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 12 states have internal predecessors, (30), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2022-10-15 20:06:42,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 20:06:42,141 INFO L93 Difference]: Finished difference Result 91 states and 110 transitions. [2022-10-15 20:06:42,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-10-15 20:06:42,141 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 12 states have internal predecessors, (30), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 41 [2022-10-15 20:06:42,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 20:06:42,143 INFO L225 Difference]: With dead ends: 91 [2022-10-15 20:06:42,143 INFO L226 Difference]: Without dead ends: 90 [2022-10-15 20:06:42,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2022-10-15 20:06:42,145 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 75 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 20:06:42,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 204 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 20:06:42,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-10-15 20:06:42,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 68. [2022-10-15 20:06:42,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 51 states have internal predecessors, (57), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-10-15 20:06:42,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 87 transitions. [2022-10-15 20:06:42,159 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 87 transitions. Word has length 41 [2022-10-15 20:06:42,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 20:06:42,159 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 87 transitions. [2022-10-15 20:06:42,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.727272727272727) internal successors, (30), 12 states have internal predecessors, (30), 5 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2022-10-15 20:06:42,160 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 87 transitions. [2022-10-15 20:06:42,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-15 20:06:42,161 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 20:06:42,161 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2022-10-15 20:06:42,201 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-10-15 20:06:42,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 20:06:42,375 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-15 20:06:42,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 20:06:42,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1892346806, now seen corresponding path program 1 times [2022-10-15 20:06:42,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 20:06:42,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13386156] [2022-10-15 20:06:42,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:06:42,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 20:06:42,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:42,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 20:06:42,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:42,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 20:06:42,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:42,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 20:06:42,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:42,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 20:06:42,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:42,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-15 20:06:42,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:42,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-15 20:06:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:42,556 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-15 20:06:42,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 20:06:42,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13386156] [2022-10-15 20:06:42,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13386156] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 20:06:42,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [983010703] [2022-10-15 20:06:42,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:06:42,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 20:06:42,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 20:06:42,562 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) [2022-10-15 20:06:42,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-10-15 20:06:42,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:42,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-15 20:06:42,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 20:06:42,714 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-10-15 20:06:42,714 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-10-15 20:06:42,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [983010703] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-15 20:06:42,715 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-10-15 20:06:42,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-10-15 20:06:42,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736517054] [2022-10-15 20:06:42,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-15 20:06:42,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-15 20:06:42,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 20:06:42,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-15 20:06:42,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-10-15 20:06:42,717 INFO L87 Difference]: Start difference. First operand 68 states and 87 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-15 20:06:42,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 20:06:42,794 INFO L93 Difference]: Finished difference Result 85 states and 104 transitions. [2022-10-15 20:06:42,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-15 20:06:42,795 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 42 [2022-10-15 20:06:42,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 20:06:42,796 INFO L225 Difference]: With dead ends: 85 [2022-10-15 20:06:42,796 INFO L226 Difference]: Without dead ends: 84 [2022-10-15 20:06:42,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-10-15 20:06:42,798 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 23 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 20:06:42,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 139 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 20:06:42,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-10-15 20:06:42,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 67. [2022-10-15 20:06:42,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 44 states have (on average 1.2272727272727273) internal successors, (54), 50 states have internal predecessors, (54), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2022-10-15 20:06:42,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 84 transitions. [2022-10-15 20:06:42,811 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 84 transitions. Word has length 42 [2022-10-15 20:06:42,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 20:06:42,812 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 84 transitions. [2022-10-15 20:06:42,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-10-15 20:06:42,812 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2022-10-15 20:06:42,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-15 20:06:42,814 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 20:06:42,814 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2022-10-15 20:06:42,848 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-10-15 20:06:43,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 20:06:43,032 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)] === [2022-10-15 20:06:43,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 20:06:43,033 INFO L85 PathProgramCache]: Analyzing trace with hash -576266558, now seen corresponding path program 2 times [2022-10-15 20:06:43,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 20:06:43,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929691020] [2022-10-15 20:06:43,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:06:43,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 20:06:43,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:43,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 20:06:43,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:43,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 20:06:43,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:43,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 20:06:43,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:43,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 20:06:43,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:43,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-15 20:06:43,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:43,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-15 20:06:43,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:43,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-15 20:06:43,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:43,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-10-15 20:06:43,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:43,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-15 20:06:43,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:43,369 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-10-15 20:06:43,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 20:06:43,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929691020] [2022-10-15 20:06:43,369 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929691020] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 20:06:43,369 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [506666199] [2022-10-15 20:06:43,370 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-15 20:06:43,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 20:06:43,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 20:06:43,371 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) [2022-10-15 20:06:43,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-10-15 20:06:43,462 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-10-15 20:06:43,462 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-15 20:06:43,464 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-15 20:06:43,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 20:06:43,686 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-10-15 20:06:43,687 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 20:06:43,828 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2022-10-15 20:06:43,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [506666199] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 20:06:43,830 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 20:06:43,830 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 10] total 25 [2022-10-15 20:06:43,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308662664] [2022-10-15 20:06:43,830 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 20:06:43,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-10-15 20:06:43,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 20:06:43,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-10-15 20:06:43,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=436, Unknown=0, NotChecked=0, Total=600 [2022-10-15 20:06:43,836 INFO L87 Difference]: Start difference. First operand 67 states and 84 transitions. Second operand has 25 states, 25 states have (on average 2.48) internal successors, (62), 25 states have internal predecessors, (62), 9 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2022-10-15 20:06:44,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 20:06:44,365 INFO L93 Difference]: Finished difference Result 125 states and 152 transitions. [2022-10-15 20:06:44,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-15 20:06:44,366 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.48) internal successors, (62), 25 states have internal predecessors, (62), 9 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 66 [2022-10-15 20:06:44,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 20:06:44,368 INFO L225 Difference]: With dead ends: 125 [2022-10-15 20:06:44,368 INFO L226 Difference]: Without dead ends: 104 [2022-10-15 20:06:44,370 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 367 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=324, Invalid=798, Unknown=0, NotChecked=0, Total=1122 [2022-10-15 20:06:44,371 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 205 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-10-15 20:06:44,371 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 152 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-10-15 20:06:44,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-10-15 20:06:44,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 85. [2022-10-15 20:06:44,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 56 states have (on average 1.1964285714285714) internal successors, (67), 62 states have internal predecessors, (67), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2022-10-15 20:06:44,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 109 transitions. [2022-10-15 20:06:44,389 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 109 transitions. Word has length 66 [2022-10-15 20:06:44,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 20:06:44,389 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 109 transitions. [2022-10-15 20:06:44,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.48) internal successors, (62), 25 states have internal predecessors, (62), 9 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2022-10-15 20:06:44,390 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 109 transitions. [2022-10-15 20:06:44,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-10-15 20:06:44,393 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 20:06:44,393 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1] [2022-10-15 20:06:44,420 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-10-15 20:06:44,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 20:06:44,605 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-15 20:06:44,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 20:06:44,606 INFO L85 PathProgramCache]: Analyzing trace with hash 17070542, now seen corresponding path program 2 times [2022-10-15 20:06:44,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 20:06:44,607 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878696916] [2022-10-15 20:06:44,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:06:44,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 20:06:44,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:44,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 20:06:44,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:44,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 20:06:44,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:44,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 20:06:44,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:44,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 20:06:44,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:44,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-15 20:06:45,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:45,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-15 20:06:45,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:45,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-15 20:06:45,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:45,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-10-15 20:06:45,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:45,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-15 20:06:45,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:45,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-15 20:06:45,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:45,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-15 20:06:45,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:45,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-15 20:06:45,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:45,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-15 20:06:45,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:45,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-10-15 20:06:45,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:45,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-10-15 20:06:45,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:45,054 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2022-10-15 20:06:45,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 20:06:45,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878696916] [2022-10-15 20:06:45,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878696916] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 20:06:45,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [403356423] [2022-10-15 20:06:45,055 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-10-15 20:06:45,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 20:06:45,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 20:06:45,062 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) [2022-10-15 20:06:45,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-10-15 20:06:45,131 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-10-15 20:06:45,131 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-15 20:06:45,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-15 20:06:45,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 20:06:45,265 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2022-10-15 20:06:45,265 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 20:06:45,373 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 472 trivial. 0 not checked. [2022-10-15 20:06:45,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [403356423] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 20:06:45,374 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 20:06:45,374 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 17 [2022-10-15 20:06:45,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993648637] [2022-10-15 20:06:45,375 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 20:06:45,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-10-15 20:06:45,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 20:06:45,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-10-15 20:06:45,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2022-10-15 20:06:45,377 INFO L87 Difference]: Start difference. First operand 85 states and 109 transitions. Second operand has 18 states, 17 states have (on average 3.176470588235294) internal successors, (54), 18 states have internal predecessors, (54), 9 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2022-10-15 20:06:45,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 20:06:45,677 INFO L93 Difference]: Finished difference Result 102 states and 126 transitions. [2022-10-15 20:06:45,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-10-15 20:06:45,677 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.176470588235294) internal successors, (54), 18 states have internal predecessors, (54), 9 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 101 [2022-10-15 20:06:45,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 20:06:45,679 INFO L225 Difference]: With dead ends: 102 [2022-10-15 20:06:45,679 INFO L226 Difference]: Without dead ends: 101 [2022-10-15 20:06:45,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=273, Invalid=657, Unknown=0, NotChecked=0, Total=930 [2022-10-15 20:06:45,681 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 170 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-10-15 20:06:45,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 105 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-10-15 20:06:45,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-10-15 20:06:45,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 84. [2022-10-15 20:06:45,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 56 states have (on average 1.1428571428571428) internal successors, (64), 61 states have internal predecessors, (64), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2022-10-15 20:06:45,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 106 transitions. [2022-10-15 20:06:45,697 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 106 transitions. Word has length 101 [2022-10-15 20:06:45,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 20:06:45,698 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 106 transitions. [2022-10-15 20:06:45,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.176470588235294) internal successors, (54), 18 states have internal predecessors, (54), 9 states have call successors, (27), 2 states have call predecessors, (27), 2 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2022-10-15 20:06:45,698 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 106 transitions. [2022-10-15 20:06:45,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-10-15 20:06:45,725 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 20:06:45,726 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 21, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1] [2022-10-15 20:06:45,762 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-10-15 20:06:45,926 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 20:06:45,927 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)] === [2022-10-15 20:06:45,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 20:06:45,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1369478486, now seen corresponding path program 3 times [2022-10-15 20:06:45,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 20:06:45,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477085717] [2022-10-15 20:06:45,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:06:45,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 20:06:45,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:46,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 20:06:46,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:46,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 20:06:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:46,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 20:06:46,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:46,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 20:06:46,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:46,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-15 20:06:46,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:46,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-15 20:06:46,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:46,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-15 20:06:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:46,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-10-15 20:06:46,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:46,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-15 20:06:46,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:46,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-15 20:06:46,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:46,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-15 20:06:46,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:46,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-15 20:06:46,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:46,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-15 20:06:46,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:46,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-10-15 20:06:46,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:46,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-10-15 20:06:46,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:46,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-10-15 20:06:46,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:46,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-10-15 20:06:46,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:46,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-15 20:06:46,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:46,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-10-15 20:06:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:46,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-10-15 20:06:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:46,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-10-15 20:06:46,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:46,793 INFO L134 CoverageAnalysis]: Checked inductivity of 1015 backedges. 0 proven. 175 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2022-10-15 20:06:46,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 20:06:46,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477085717] [2022-10-15 20:06:46,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477085717] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 20:06:46,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [425138670] [2022-10-15 20:06:46,794 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-10-15 20:06:46,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 20:06:46,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 20:06:46,796 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) [2022-10-15 20:06:46,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-10-15 20:06:47,182 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 17 check-sat command(s) [2022-10-15 20:06:47,183 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-15 20:06:47,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-15 20:06:47,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 20:06:47,746 INFO L134 CoverageAnalysis]: Checked inductivity of 1015 backedges. 0 proven. 175 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2022-10-15 20:06:47,747 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 20:06:48,188 INFO L134 CoverageAnalysis]: Checked inductivity of 1015 backedges. 0 proven. 175 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2022-10-15 20:06:48,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [425138670] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 20:06:48,189 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 20:06:48,189 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 18] total 49 [2022-10-15 20:06:48,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [906694590] [2022-10-15 20:06:48,190 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 20:06:48,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2022-10-15 20:06:48,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 20:06:48,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2022-10-15 20:06:48,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=580, Invalid=1772, Unknown=0, NotChecked=0, Total=2352 [2022-10-15 20:06:48,194 INFO L87 Difference]: Start difference. First operand 84 states and 106 transitions. Second operand has 49 states, 49 states have (on average 2.489795918367347) internal successors, (122), 49 states have internal predecessors, (122), 21 states have call successors, (63), 2 states have call predecessors, (63), 2 states have return successors, (63), 21 states have call predecessors, (63), 21 states have call successors, (63) [2022-10-15 20:06:49,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 20:06:49,348 INFO L93 Difference]: Finished difference Result 186 states and 241 transitions. [2022-10-15 20:06:49,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-10-15 20:06:49,349 INFO L78 Accepts]: Start accepts. Automaton has has 49 states, 49 states have (on average 2.489795918367347) internal successors, (122), 49 states have internal predecessors, (122), 21 states have call successors, (63), 2 states have call predecessors, (63), 2 states have return successors, (63), 21 states have call predecessors, (63), 21 states have call successors, (63) Word has length 146 [2022-10-15 20:06:49,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 20:06:49,352 INFO L225 Difference]: With dead ends: 186 [2022-10-15 20:06:49,352 INFO L226 Difference]: Without dead ends: 165 [2022-10-15 20:06:49,355 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 370 GetRequests, 302 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1825 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1246, Invalid=3584, Unknown=0, NotChecked=0, Total=4830 [2022-10-15 20:06:49,356 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 308 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 833 mSolverCounterSat, 181 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 311 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 1014 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 181 IncrementalHoareTripleChecker+Valid, 833 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-10-15 20:06:49,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [311 Valid, 195 Invalid, 1014 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [181 Valid, 833 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-10-15 20:06:49,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2022-10-15 20:06:49,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 148. [2022-10-15 20:06:49,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 96 states have (on average 1.0833333333333333) internal successors, (104), 101 states have internal predecessors, (104), 45 states have call successors, (45), 1 states have call predecessors, (45), 1 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2022-10-15 20:06:49,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 194 transitions. [2022-10-15 20:06:49,382 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 194 transitions. Word has length 146 [2022-10-15 20:06:49,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 20:06:49,383 INFO L495 AbstractCegarLoop]: Abstraction has 148 states and 194 transitions. [2022-10-15 20:06:49,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 2.489795918367347) internal successors, (122), 49 states have internal predecessors, (122), 21 states have call successors, (63), 2 states have call predecessors, (63), 2 states have return successors, (63), 21 states have call predecessors, (63), 21 states have call successors, (63) [2022-10-15 20:06:49,384 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 194 transitions. [2022-10-15 20:06:49,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-10-15 20:06:49,391 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 20:06:49,391 INFO L195 NwaCegarLoop]: trace histogram [45, 45, 45, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1] [2022-10-15 20:06:49,433 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-10-15 20:06:49,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 20:06:49,606 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)] === [2022-10-15 20:06:49,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 20:06:49,607 INFO L85 PathProgramCache]: Analyzing trace with hash -1989651846, now seen corresponding path program 4 times [2022-10-15 20:06:49,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 20:06:49,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724882697] [2022-10-15 20:06:49,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:06:49,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 20:06:49,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:51,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 20:06:51,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:51,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 20:06:51,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:51,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 20:06:51,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:51,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 20:06:51,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:51,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-15 20:06:51,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:51,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-15 20:06:51,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:51,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-15 20:06:51,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:51,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-10-15 20:06:51,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:51,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-15 20:06:51,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:51,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-15 20:06:51,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:51,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-15 20:06:51,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:51,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-15 20:06:51,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:51,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-15 20:06:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:51,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-10-15 20:06:51,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:51,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-10-15 20:06:51,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:51,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-10-15 20:06:51,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:51,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-10-15 20:06:51,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:51,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-15 20:06:51,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:51,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-10-15 20:06:51,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:51,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-10-15 20:06:51,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:51,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-10-15 20:06:51,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:51,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-15 20:06:51,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:51,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-10-15 20:06:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:51,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-10-15 20:06:51,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:51,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-10-15 20:06:51,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:51,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-15 20:06:51,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:51,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-10-15 20:06:51,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:51,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-10-15 20:06:51,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:51,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-10-15 20:06:51,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:51,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-10-15 20:06:51,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:51,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-10-15 20:06:51,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:51,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-10-15 20:06:51,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:51,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-10-15 20:06:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:51,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-10-15 20:06:51,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:51,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-10-15 20:06:51,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:51,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-10-15 20:06:51,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:51,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-10-15 20:06:51,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:51,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-10-15 20:06:51,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:51,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-10-15 20:06:51,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:51,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-10-15 20:06:51,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:51,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-10-15 20:06:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:51,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-10-15 20:06:51,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:51,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-10-15 20:06:51,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:51,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-10-15 20:06:51,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:51,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-10-15 20:06:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:06:51,762 INFO L134 CoverageAnalysis]: Checked inductivity of 4815 backedges. 0 proven. 855 refuted. 0 times theorem prover too weak. 3960 trivial. 0 not checked. [2022-10-15 20:06:51,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 20:06:51,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724882697] [2022-10-15 20:06:51,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724882697] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 20:06:51,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1973863860] [2022-10-15 20:06:51,763 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-10-15 20:06:51,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 20:06:51,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 20:06:51,764 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) [2022-10-15 20:06:51,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-10-15 20:06:53,517 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-10-15 20:06:53,518 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-10-15 20:06:53,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 856 conjuncts, 33 conjunts are in the unsatisfiable core [2022-10-15 20:06:53,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-15 20:06:54,839 INFO L134 CoverageAnalysis]: Checked inductivity of 4815 backedges. 0 proven. 855 refuted. 0 times theorem prover too weak. 3960 trivial. 0 not checked. [2022-10-15 20:06:54,840 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-15 20:06:56,147 INFO L134 CoverageAnalysis]: Checked inductivity of 4815 backedges. 0 proven. 855 refuted. 0 times theorem prover too weak. 3960 trivial. 0 not checked. [2022-10-15 20:06:56,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1973863860] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-15 20:06:56,148 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-10-15 20:06:56,148 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 33, 34] total 97 [2022-10-15 20:06:56,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301339942] [2022-10-15 20:06:56,148 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-10-15 20:06:56,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2022-10-15 20:06:56,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-15 20:06:56,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2022-10-15 20:06:56,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2180, Invalid=7132, Unknown=0, NotChecked=0, Total=9312 [2022-10-15 20:06:56,157 INFO L87 Difference]: Start difference. First operand 148 states and 194 transitions. Second operand has 97 states, 97 states have (on average 2.4948453608247423) internal successors, (242), 97 states have internal predecessors, (242), 45 states have call successors, (135), 2 states have call predecessors, (135), 2 states have return successors, (135), 45 states have call predecessors, (135), 45 states have call successors, (135) [2022-10-15 20:06:58,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-15 20:06:58,656 INFO L93 Difference]: Finished difference Result 314 states and 425 transitions. [2022-10-15 20:06:58,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2022-10-15 20:06:58,658 INFO L78 Accepts]: Start accepts. Automaton has has 97 states, 97 states have (on average 2.4948453608247423) internal successors, (242), 97 states have internal predecessors, (242), 45 states have call successors, (135), 2 states have call predecessors, (135), 2 states have return successors, (135), 45 states have call predecessors, (135), 45 states have call successors, (135) Word has length 306 [2022-10-15 20:06:58,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-15 20:06:58,661 INFO L225 Difference]: With dead ends: 314 [2022-10-15 20:06:58,662 INFO L226 Difference]: Without dead ends: 293 [2022-10-15 20:06:58,670 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 778 GetRequests, 638 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8053 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=4866, Invalid=15156, Unknown=0, NotChecked=0, Total=20022 [2022-10-15 20:06:58,671 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 634 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 1176 mSolverCounterSat, 340 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 637 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 1516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 340 IncrementalHoareTripleChecker+Valid, 1176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-10-15 20:06:58,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [637 Valid, 161 Invalid, 1516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [340 Valid, 1176 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-10-15 20:06:58,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2022-10-15 20:06:58,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 276. [2022-10-15 20:06:58,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 176 states have (on average 1.0454545454545454) internal successors, (184), 181 states have internal predecessors, (184), 93 states have call successors, (93), 1 states have call predecessors, (93), 1 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2022-10-15 20:06:58,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 370 transitions. [2022-10-15 20:06:58,708 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 370 transitions. Word has length 306 [2022-10-15 20:06:58,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-15 20:06:58,709 INFO L495 AbstractCegarLoop]: Abstraction has 276 states and 370 transitions. [2022-10-15 20:06:58,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 2.4948453608247423) internal successors, (242), 97 states have internal predecessors, (242), 45 states have call successors, (135), 2 states have call predecessors, (135), 2 states have return successors, (135), 45 states have call predecessors, (135), 45 states have call successors, (135) [2022-10-15 20:06:58,710 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 370 transitions. [2022-10-15 20:06:58,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 627 [2022-10-15 20:06:58,728 INFO L187 NwaCegarLoop]: Found error trace [2022-10-15 20:06:58,729 INFO L195 NwaCegarLoop]: trace histogram [93, 93, 93, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 31, 1, 1, 1, 1, 1, 1] [2022-10-15 20:06:58,775 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-10-15 20:06:58,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 20:06:58,944 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-10-15 20:06:58,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-15 20:06:58,946 INFO L85 PathProgramCache]: Analyzing trace with hash 1331257882, now seen corresponding path program 5 times [2022-10-15 20:06:58,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-15 20:06:58,946 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772799208] [2022-10-15 20:06:58,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-15 20:06:58,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-15 20:06:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-10-15 20:07:04,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-10-15 20:07:04,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-10-15 20:07:04,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2022-10-15 20:07:04,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-10-15 20:07:04,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-10-15 20:07:04,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2022-10-15 20:07:04,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-10-15 20:07:04,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-10-15 20:07:04,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-10-15 20:07:04,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2022-10-15 20:07:04,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2022-10-15 20:07:04,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-10-15 20:07:04,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-10-15 20:07:04,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2022-10-15 20:07:04,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-10-15 20:07:04,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-10-15 20:07:04,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-10-15 20:07:04,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2022-10-15 20:07:04,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-10-15 20:07:04,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-10-15 20:07:04,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-10-15 20:07:04,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-10-15 20:07:04,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-10-15 20:07:04,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-10-15 20:07:04,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2022-10-15 20:07:04,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-10-15 20:07:04,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-10-15 20:07:04,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2022-10-15 20:07:04,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-10-15 20:07:04,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-10-15 20:07:04,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-10-15 20:07:04,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-10-15 20:07:04,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2022-10-15 20:07:04,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-10-15 20:07:04,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-10-15 20:07:04,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2022-10-15 20:07:04,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2022-10-15 20:07:04,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-10-15 20:07:04,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-10-15 20:07:04,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-10-15 20:07:04,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2022-10-15 20:07:04,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-10-15 20:07:04,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-10-15 20:07:04,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 293 [2022-10-15 20:07:04,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-10-15 20:07:04,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-10-15 20:07:04,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 313 [2022-10-15 20:07:04,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-10-15 20:07:04,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2022-10-15 20:07:04,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2022-10-15 20:07:04,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:04,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2022-10-15 20:07:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:05,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2022-10-15 20:07:05,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:05,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-10-15 20:07:05,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:05,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-10-15 20:07:05,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:05,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2022-10-15 20:07:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:05,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2022-10-15 20:07:05,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:05,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-10-15 20:07:05,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:05,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-10-15 20:07:05,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:05,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 393 [2022-10-15 20:07:05,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:05,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2022-10-15 20:07:05,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:05,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-10-15 20:07:05,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:05,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2022-10-15 20:07:05,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:05,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-10-15 20:07:05,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:05,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2022-10-15 20:07:05,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:05,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2022-10-15 20:07:05,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:05,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2022-10-15 20:07:05,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:05,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2022-10-15 20:07:05,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:05,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2022-10-15 20:07:05,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:05,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2022-10-15 20:07:05,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:05,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-10-15 20:07:05,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:05,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2022-10-15 20:07:05,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:05,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2022-10-15 20:07:05,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:05,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2022-10-15 20:07:05,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:05,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-10-15 20:07:05,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:05,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2022-10-15 20:07:05,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:05,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-10-15 20:07:05,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:05,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-10-15 20:07:05,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:05,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2022-10-15 20:07:05,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:05,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2022-10-15 20:07:05,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:05,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2022-10-15 20:07:05,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:05,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2022-10-15 20:07:05,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:05,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2022-10-15 20:07:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:05,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2022-10-15 20:07:05,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:05,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2022-10-15 20:07:05,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:05,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2022-10-15 20:07:05,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:05,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2022-10-15 20:07:05,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:05,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2022-10-15 20:07:05,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:05,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 588 [2022-10-15 20:07:05,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:05,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2022-10-15 20:07:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:05,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 603 [2022-10-15 20:07:05,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:05,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 608 [2022-10-15 20:07:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:05,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 613 [2022-10-15 20:07:05,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-15 20:07:05,170 INFO L134 CoverageAnalysis]: Checked inductivity of 20863 backedges. 0 proven. 3751 refuted. 0 times theorem prover too weak. 17112 trivial. 0 not checked. [2022-10-15 20:07:05,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-15 20:07:05,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772799208] [2022-10-15 20:07:05,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1772799208] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-15 20:07:05,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1739309841] [2022-10-15 20:07:05,171 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-10-15 20:07:05,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-15 20:07:05,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-10-15 20:07:05,173 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) [2022-10-15 20:07:05,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process