/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/goblint-regression/09-regions_04-list2_nr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:40:19,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 10:40:19,790 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 10:40:19,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-09-16 10:40:19,825 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:40:19,827 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:40:19,830 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:40:19,831 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:40:19,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:40:19,832 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:40:19,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:40:19,839 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:40:19,840 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:40:19,841 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:40:19,842 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:40:19,843 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:40:19,848 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-09-16 10:40:19,848 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-09-16 10:40:19,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-09-16 10:40:19,849 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-09-16 10:40:19,849 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-09-16 10:40:19,849 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-09-16 10:40:19,852 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:40:19,852 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:40:19,853 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:40:19,856 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2022-09-16 10:40:19,874 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:40:19,875 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:40:19,875 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:40:19,875 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:40:19,880 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:40:19,880 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:40:19,880 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:40:19,880 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:40:19,880 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:40:19,881 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:40:19,881 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:40:19,881 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:40:19,881 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:40:19,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:40:19,881 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:40:19,881 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:40:19,882 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:40:19,882 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:40:19,882 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:40:19,882 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:40:19,882 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:40:19,882 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:40:19,882 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:40:19,883 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:40:19,883 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:40:19,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:40:19,883 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:40:19,883 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:40:19,883 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:40:19,884 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:40:19,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:40:19,884 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:40:19,884 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:40:19,884 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:40:20,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:40:20,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:40:20,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:40:20,072 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:40:20,073 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:40:20,074 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/09-regions_04-list2_nr.i [2022-09-16 10:40:20,122 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d85ae7e32/633c9d11b4ec49c1af36f178dbfbfe41/FLAGd7cbc2f8b [2022-09-16 10:40:20,540 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:40:20,541 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/09-regions_04-list2_nr.i [2022-09-16 10:40:20,555 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d85ae7e32/633c9d11b4ec49c1af36f178dbfbfe41/FLAGd7cbc2f8b [2022-09-16 10:40:20,566 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d85ae7e32/633c9d11b4ec49c1af36f178dbfbfe41 [2022-09-16 10:40:20,568 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:40:20,569 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:40:20,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:40:20,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:40:20,574 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:40:20,575 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:40:20" (1/1) ... [2022-09-16 10:40:20,575 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64a2f7fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:40:20, skipping insertion in model container [2022-09-16 10:40:20,575 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:40:20" (1/1) ... [2022-09-16 10:40:20,590 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:40:20,635 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:40:21,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:40:21,046 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:40:21,092 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:40:21,142 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:40:21,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:40:21 WrapperNode [2022-09-16 10:40:21,144 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:40:21,144 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:40:21,145 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:40:21,145 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:40:21,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:40:21" (1/1) ... [2022-09-16 10:40:21,165 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:40:21" (1/1) ... [2022-09-16 10:40:21,182 INFO L138 Inliner]: procedures = 368, calls = 55, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 96 [2022-09-16 10:40:21,182 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:40:21,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:40:21,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:40:21,183 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:40:21,188 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:40:21" (1/1) ... [2022-09-16 10:40:21,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:40:21" (1/1) ... [2022-09-16 10:40:21,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:40:21" (1/1) ... [2022-09-16 10:40:21,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:40:21" (1/1) ... [2022-09-16 10:40:21,208 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:40:21" (1/1) ... [2022-09-16 10:40:21,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:40:21" (1/1) ... [2022-09-16 10:40:21,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:40:21" (1/1) ... [2022-09-16 10:40:21,211 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:40:21,212 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:40:21,212 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:40:21,212 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:40:21,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:40:21" (1/1) ... [2022-09-16 10:40:21,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:40:21,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:40:21,244 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) [2022-09-16 10:40:21,255 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 [2022-09-16 10:40:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:40:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-09-16 10:40:21,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:40:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-09-16 10:40:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:40:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-09-16 10:40:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-09-16 10:40:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:40:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-09-16 10:40:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-09-16 10:40:21,274 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-09-16 10:40:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:40:21,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:40:21,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:40:21,275 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-09-16 10:40:21,411 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:40:21,412 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:40:21,591 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:40:21,597 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:40:21,597 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:40:21,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:40:21 BoogieIcfgContainer [2022-09-16 10:40:21,598 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:40:21,599 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:40:21,599 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:40:21,602 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:40:21,602 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:40:20" (1/3) ... [2022-09-16 10:40:21,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10eccc46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:40:21, skipping insertion in model container [2022-09-16 10:40:21,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:40:21" (2/3) ... [2022-09-16 10:40:21,603 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10eccc46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:40:21, skipping insertion in model container [2022-09-16 10:40:21,603 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:40:21" (3/3) ... [2022-09-16 10:40:21,604 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_04-list2_nr.i [2022-09-16 10:40:21,609 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:40:21,615 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:40:21,615 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-09-16 10:40:21,615 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:40:21,656 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 10:40:21,675 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 147 places, 143 transitions, 291 flow [2022-09-16 10:40:21,718 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 733 states, 729 states have (on average 1.8244170096021948) internal successors, (1330), 732 states have internal predecessors, (1330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:21,730 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:40:21,734 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;@19ea89b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:40:21,734 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-09-16 10:40:21,737 INFO L276 IsEmpty]: Start isEmpty. Operand has 733 states, 729 states have (on average 1.8244170096021948) internal successors, (1330), 732 states have internal predecessors, (1330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:21,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-09-16 10:40:21,743 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:21,743 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:21,744 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-09-16 10:40:21,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:21,747 INFO L85 PathProgramCache]: Analyzing trace with hash -621853055, now seen corresponding path program 1 times [2022-09-16 10:40:21,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:21,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454799975] [2022-09-16 10:40:21,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:21,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:23,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:23,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:23,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454799975] [2022-09-16 10:40:23,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454799975] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:23,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:23,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-09-16 10:40:23,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533191563] [2022-09-16 10:40:23,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:23,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-09-16 10:40:23,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:23,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-09-16 10:40:23,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=713, Unknown=0, NotChecked=0, Total=812 [2022-09-16 10:40:23,059 INFO L87 Difference]: Start difference. First operand has 733 states, 729 states have (on average 1.8244170096021948) internal successors, (1330), 732 states have internal predecessors, (1330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 29 states, 28 states have (on average 3.2857142857142856) internal successors, (92), 29 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:24,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:24,858 INFO L93 Difference]: Finished difference Result 706 states and 1277 transitions. [2022-09-16 10:40:24,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-09-16 10:40:24,860 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 3.2857142857142856) internal successors, (92), 29 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 92 [2022-09-16 10:40:24,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:24,879 INFO L225 Difference]: With dead ends: 706 [2022-09-16 10:40:24,879 INFO L226 Difference]: Without dead ends: 706 [2022-09-16 10:40:24,881 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1269 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=682, Invalid=4288, Unknown=0, NotChecked=0, Total=4970 [2022-09-16 10:40:24,883 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 639 mSDsluCounter, 1621 mSDsCounter, 0 mSdLazyCounter, 1111 mSolverCounterSat, 119 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 639 SdHoareTripleChecker+Valid, 1768 SdHoareTripleChecker+Invalid, 1230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 119 IncrementalHoareTripleChecker+Valid, 1111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:24,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [639 Valid, 1768 Invalid, 1230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [119 Valid, 1111 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:40:24,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2022-09-16 10:40:24,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 706. [2022-09-16 10:40:24,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 706 states, 703 states have (on average 1.8165007112375533) internal successors, (1277), 705 states have internal predecessors, (1277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:24,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 706 states to 706 states and 1277 transitions. [2022-09-16 10:40:24,931 INFO L78 Accepts]: Start accepts. Automaton has 706 states and 1277 transitions. Word has length 92 [2022-09-16 10:40:24,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:24,932 INFO L495 AbstractCegarLoop]: Abstraction has 706 states and 1277 transitions. [2022-09-16 10:40:24,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 3.2857142857142856) internal successors, (92), 29 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:24,932 INFO L276 IsEmpty]: Start isEmpty. Operand 706 states and 1277 transitions. [2022-09-16 10:40:24,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-09-16 10:40:24,934 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:24,934 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:24,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:40:24,934 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-09-16 10:40:24,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:24,935 INFO L85 PathProgramCache]: Analyzing trace with hash -2097575192, now seen corresponding path program 1 times [2022-09-16 10:40:24,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:24,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534713643] [2022-09-16 10:40:24,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:24,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:25,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:25,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:25,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534713643] [2022-09-16 10:40:25,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534713643] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:25,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:25,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-09-16 10:40:25,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239437563] [2022-09-16 10:40:25,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:25,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-09-16 10:40:25,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:25,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-09-16 10:40:25,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=713, Unknown=0, NotChecked=0, Total=812 [2022-09-16 10:40:25,757 INFO L87 Difference]: Start difference. First operand 706 states and 1277 transitions. Second operand has 29 states, 28 states have (on average 3.3214285714285716) internal successors, (93), 29 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:27,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:27,426 INFO L93 Difference]: Finished difference Result 679 states and 1224 transitions. [2022-09-16 10:40:27,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2022-09-16 10:40:27,426 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 3.3214285714285716) internal successors, (93), 29 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 93 [2022-09-16 10:40:27,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:27,429 INFO L225 Difference]: With dead ends: 679 [2022-09-16 10:40:27,429 INFO L226 Difference]: Without dead ends: 679 [2022-09-16 10:40:27,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1269 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=681, Invalid=4289, Unknown=0, NotChecked=0, Total=4970 [2022-09-16 10:40:27,431 INFO L413 NwaCegarLoop]: 155 mSDtfsCounter, 778 mSDsluCounter, 1399 mSDsCounter, 0 mSdLazyCounter, 921 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 778 SdHoareTripleChecker+Valid, 1548 SdHoareTripleChecker+Invalid, 1069 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 921 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:27,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [778 Valid, 1548 Invalid, 1069 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 921 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-09-16 10:40:27,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 679 states. [2022-09-16 10:40:27,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 679 to 679. [2022-09-16 10:40:27,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 679 states, 677 states have (on average 1.8079763663220088) internal successors, (1224), 678 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:27,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 1224 transitions. [2022-09-16 10:40:27,446 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 1224 transitions. Word has length 93 [2022-09-16 10:40:27,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:27,447 INFO L495 AbstractCegarLoop]: Abstraction has 679 states and 1224 transitions. [2022-09-16 10:40:27,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 3.3214285714285716) internal successors, (93), 29 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:27,447 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 1224 transitions. [2022-09-16 10:40:27,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-09-16 10:40:27,450 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:27,450 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:27,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 10:40:27,450 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-09-16 10:40:27,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:27,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1494943688, now seen corresponding path program 1 times [2022-09-16 10:40:27,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:27,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650043012] [2022-09-16 10:40:27,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:27,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:27,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:28,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:28,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:28,238 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650043012] [2022-09-16 10:40:28,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650043012] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:28,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:28,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-09-16 10:40:28,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967244991] [2022-09-16 10:40:28,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:28,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2022-09-16 10:40:28,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:28,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2022-09-16 10:40:28,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=673, Unknown=0, NotChecked=0, Total=756 [2022-09-16 10:40:28,241 INFO L87 Difference]: Start difference. First operand 679 states and 1224 transitions. Second operand has 28 states, 27 states have (on average 3.8518518518518516) internal successors, (104), 28 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:29,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:29,760 INFO L93 Difference]: Finished difference Result 652 states and 1171 transitions. [2022-09-16 10:40:29,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-09-16 10:40:29,761 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 27 states have (on average 3.8518518518518516) internal successors, (104), 28 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 104 [2022-09-16 10:40:29,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:29,763 INFO L225 Difference]: With dead ends: 652 [2022-09-16 10:40:29,763 INFO L226 Difference]: Without dead ends: 652 [2022-09-16 10:40:29,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1046 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=447, Invalid=3459, Unknown=0, NotChecked=0, Total=3906 [2022-09-16 10:40:29,765 INFO L413 NwaCegarLoop]: 176 mSDtfsCounter, 611 mSDsluCounter, 2371 mSDsCounter, 0 mSdLazyCounter, 1279 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 611 SdHoareTripleChecker+Valid, 2541 SdHoareTripleChecker+Invalid, 1348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 1279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:29,766 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [611 Valid, 2541 Invalid, 1348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 1279 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-09-16 10:40:29,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 652 states. [2022-09-16 10:40:29,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 652 to 652. [2022-09-16 10:40:29,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 652 states, 651 states have (on average 1.7987711213517665) internal successors, (1171), 651 states have internal predecessors, (1171), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:29,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 1171 transitions. [2022-09-16 10:40:29,777 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 1171 transitions. Word has length 104 [2022-09-16 10:40:29,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:29,778 INFO L495 AbstractCegarLoop]: Abstraction has 652 states and 1171 transitions. [2022-09-16 10:40:29,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 27 states have (on average 3.8518518518518516) internal successors, (104), 28 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:29,778 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 1171 transitions. [2022-09-16 10:40:29,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-09-16 10:40:29,780 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:40:29,780 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-09-16 10:40:29,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 10:40:29,780 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-09-16 10:40:29,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:40:29,781 INFO L85 PathProgramCache]: Analyzing trace with hash -901385585, now seen corresponding path program 1 times [2022-09-16 10:40:29,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:40:29,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303488832] [2022-09-16 10:40:29,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:40:29,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:40:29,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:40:30,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-09-16 10:40:30,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:40:30,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303488832] [2022-09-16 10:40:30,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303488832] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:40:30,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:40:30,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [28] imperfect sequences [] total 28 [2022-09-16 10:40:30,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244243437] [2022-09-16 10:40:30,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:40:30,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2022-09-16 10:40:30,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:40:30,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2022-09-16 10:40:30,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=736, Unknown=0, NotChecked=0, Total=812 [2022-09-16 10:40:30,652 INFO L87 Difference]: Start difference. First operand 652 states and 1171 transitions. Second operand has 29 states, 28 states have (on average 3.75) internal successors, (105), 29 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:32,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:40:32,905 INFO L93 Difference]: Finished difference Result 625 states and 1118 transitions. [2022-09-16 10:40:32,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2022-09-16 10:40:32,906 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 28 states have (on average 3.75) internal successors, (105), 29 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 105 [2022-09-16 10:40:32,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:40:32,906 INFO L225 Difference]: With dead ends: 625 [2022-09-16 10:40:32,906 INFO L226 Difference]: Without dead ends: 0 [2022-09-16 10:40:32,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1183 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=508, Invalid=4184, Unknown=0, NotChecked=0, Total=4692 [2022-09-16 10:40:32,908 INFO L413 NwaCegarLoop]: 218 mSDtfsCounter, 699 mSDsluCounter, 3131 mSDsCounter, 0 mSdLazyCounter, 1543 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 699 SdHoareTripleChecker+Valid, 3344 SdHoareTripleChecker+Invalid, 1623 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 1543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-09-16 10:40:32,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [699 Valid, 3344 Invalid, 1623 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 1543 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-09-16 10:40:32,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-09-16 10:40:32,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-09-16 10:40:32,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:32,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-09-16 10:40:32,911 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 105 [2022-09-16 10:40:32,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:40:32,911 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-16 10:40:32,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 28 states have (on average 3.75) internal successors, (105), 29 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-09-16 10:40:32,911 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-09-16 10:40:32,911 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-09-16 10:40:32,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 9 remaining) [2022-09-16 10:40:32,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 9 remaining) [2022-09-16 10:40:32,913 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 9 remaining) [2022-09-16 10:40:32,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 9 remaining) [2022-09-16 10:40:32,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 9 remaining) [2022-09-16 10:40:32,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 9 remaining) [2022-09-16 10:40:32,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 9 remaining) [2022-09-16 10:40:32,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 9 remaining) [2022-09-16 10:40:32,914 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 9 remaining) [2022-09-16 10:40:32,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 10:40:32,917 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-09-16 10:40:32,920 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 10:40:32,920 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 10:40:32,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 10:40:32 BasicIcfg [2022-09-16 10:40:32,922 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 10:40:32,922 INFO L158 Benchmark]: Toolchain (without parser) took 12352.99ms. Allocated memory was 177.2MB in the beginning and 275.8MB in the end (delta: 98.6MB). Free memory was 120.3MB in the beginning and 142.0MB in the end (delta: -21.7MB). Peak memory consumption was 77.9MB. Max. memory is 8.0GB. [2022-09-16 10:40:32,922 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 177.2MB. Free memory was 139.8MB in the beginning and 139.7MB in the end (delta: 91.1kB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:40:32,923 INFO L158 Benchmark]: CACSL2BoogieTranslator took 571.76ms. Allocated memory was 177.2MB in the beginning and 225.4MB in the end (delta: 48.2MB). Free memory was 120.1MB in the beginning and 172.3MB in the end (delta: -52.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-09-16 10:40:32,923 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.64ms. Allocated memory is still 225.4MB. Free memory was 172.3MB in the beginning and 169.1MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 10:40:32,924 INFO L158 Benchmark]: Boogie Preprocessor took 29.05ms. Allocated memory is still 225.4MB. Free memory was 169.1MB in the beginning and 167.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 10:40:32,924 INFO L158 Benchmark]: RCFGBuilder took 386.22ms. Allocated memory is still 225.4MB. Free memory was 167.5MB in the beginning and 149.7MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-09-16 10:40:32,924 INFO L158 Benchmark]: TraceAbstraction took 11322.38ms. Allocated memory was 225.4MB in the beginning and 275.8MB in the end (delta: 50.3MB). Free memory was 148.7MB in the beginning and 142.0MB in the end (delta: 6.6MB). Peak memory consumption was 58.0MB. Max. memory is 8.0GB. [2022-09-16 10:40:32,926 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 177.2MB. Free memory was 139.8MB in the beginning and 139.7MB in the end (delta: 91.1kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 571.76ms. Allocated memory was 177.2MB in the beginning and 225.4MB in the end (delta: 48.2MB). Free memory was 120.1MB in the beginning and 172.3MB in the end (delta: -52.1MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.64ms. Allocated memory is still 225.4MB. Free memory was 172.3MB in the beginning and 169.1MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.05ms. Allocated memory is still 225.4MB. Free memory was 169.1MB in the beginning and 167.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 386.22ms. Allocated memory is still 225.4MB. Free memory was 167.5MB in the beginning and 149.7MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 11322.38ms. Allocated memory was 225.4MB in the beginning and 275.8MB in the end (delta: 50.3MB). Free memory was 148.7MB in the beginning and 142.0MB in the end (delta: 6.6MB). Peak memory consumption was 58.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1235]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1235]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1238]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1238]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 177 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 11.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 7.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2727 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2727 mSDsluCounter, 9201 SdHoareTripleChecker+Invalid, 2.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8522 mSDsCounter, 416 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4854 IncrementalHoareTripleChecker+Invalid, 5270 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 416 mSolverCounterUnsat, 704 mSDtfsCounter, 4854 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 286 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 266 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4767 ImplicationChecksByTransitivity, 6.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=733occurred in iteration=0, InterpolantAutomatonStates: 188, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 394 NumberOfCodeBlocks, 394 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 390 ConstructedInterpolants, 0 QuantifiedInterpolants, 9760 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-09-16 10:40:32,960 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...