/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/pthread-wmm/mix024_power.opt_pso.opt_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:25:59,595 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2022-09-16 10:25:59,661 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:25:59,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:25:59,665 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:25:59,666 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:25:59,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:25:59,667 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:25:59,671 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:25:59,677 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:25:59,678 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:25:59,679 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:25:59,681 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:25:59,682 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:25:59,687 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-16 10:25:59,695 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:25:59,696 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:25:59,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:25:59,697 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 10:25:59,733 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:25:59,733 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:25:59,734 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:25:59,734 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:25:59,734 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:25:59,735 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:25:59,735 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:25:59,735 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:25:59,735 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:25:59,736 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:25:59,736 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:25:59,736 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:25:59,737 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:25:59,737 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:25:59,737 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:25:59,737 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:25:59,737 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:25:59,737 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:25:59,737 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:25:59,737 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:25:59,738 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:25:59,738 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:25:59,738 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:25:59,738 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:25:59,738 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:25:59,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:25:59,738 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:25:59,739 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:25:59,740 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:25:59,740 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:25:59,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:25:59,740 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:25:59,740 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:25:59,740 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:25:59,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:25:59,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:25:59,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:25:59,977 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:25:59,977 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:25:59,979 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix024_power.opt_pso.opt_rmo.opt.i [2022-09-16 10:26:00,033 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/808c20d36/b85d0d1d45bf465384b1d3d79710d5b2/FLAGb03487f4f [2022-09-16 10:26:00,543 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:26:00,544 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix024_power.opt_pso.opt_rmo.opt.i [2022-09-16 10:26:00,556 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/808c20d36/b85d0d1d45bf465384b1d3d79710d5b2/FLAGb03487f4f [2022-09-16 10:26:00,865 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/808c20d36/b85d0d1d45bf465384b1d3d79710d5b2 [2022-09-16 10:26:00,868 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:26:00,869 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:26:00,870 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:26:00,870 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:26:00,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:26:00,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:26:00" (1/1) ... [2022-09-16 10:26:00,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@217469f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:26:00, skipping insertion in model container [2022-09-16 10:26:00,876 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:26:00" (1/1) ... [2022-09-16 10:26:00,882 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:26:00,932 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:26:01,096 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix024_power.opt_pso.opt_rmo.opt.i[1009,1022] [2022-09-16 10:26:01,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:26:01,298 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:26:01,306 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix024_power.opt_pso.opt_rmo.opt.i[1009,1022] [2022-09-16 10:26:01,373 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:26:01,411 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:26:01,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:26:01 WrapperNode [2022-09-16 10:26:01,411 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:26:01,412 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:26:01,413 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:26:01,413 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:26:01,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:26:01" (1/1) ... [2022-09-16 10:26:01,440 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:26:01" (1/1) ... [2022-09-16 10:26:01,472 INFO L138 Inliner]: procedures = 176, calls = 60, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 181 [2022-09-16 10:26:01,472 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:26:01,473 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:26:01,473 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:26:01,473 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:26:01,481 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:26:01" (1/1) ... [2022-09-16 10:26:01,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:26:01" (1/1) ... [2022-09-16 10:26:01,485 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:26:01" (1/1) ... [2022-09-16 10:26:01,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:26:01" (1/1) ... [2022-09-16 10:26:01,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:26:01" (1/1) ... [2022-09-16 10:26:01,508 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:26:01" (1/1) ... [2022-09-16 10:26:01,510 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:26:01" (1/1) ... [2022-09-16 10:26:01,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:26:01,517 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:26:01,517 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:26:01,520 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:26:01,521 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:26:01" (1/1) ... [2022-09-16 10:26:01,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:26:01,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:26:01,550 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 10:26:01,552 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 10:26:01,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:26:01,593 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 10:26:01,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:26:01,593 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:26:01,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:26:01,593 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 10:26:01,594 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 10:26:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 10:26:01,594 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 10:26:01,595 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-09-16 10:26:01,595 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-09-16 10:26:01,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:26:01,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 10:26:01,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:26:01,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:26:01,597 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 10:26:01,812 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:26:01,813 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:26:02,360 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:26:02,712 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:26:02,712 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:26:02,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:26:02 BoogieIcfgContainer [2022-09-16 10:26:02,715 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:26:02,717 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:26:02,717 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:26:02,720 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:26:02,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:26:00" (1/3) ... [2022-09-16 10:26:02,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@104269e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:26:02, skipping insertion in model container [2022-09-16 10:26:02,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:26:01" (2/3) ... [2022-09-16 10:26:02,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@104269e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:26:02, skipping insertion in model container [2022-09-16 10:26:02,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:26:02" (3/3) ... [2022-09-16 10:26:02,724 INFO L112 eAbstractionObserver]: Analyzing ICFG mix024_power.opt_pso.opt_rmo.opt.i [2022-09-16 10:26:02,732 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:26:02,740 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:26:02,740 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-09-16 10:26:02,740 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:26:02,813 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 10:26:02,851 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 132 places, 124 transitions, 263 flow [2022-09-16 10:26:04,236 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 37566 states, 37540 states have (on average 3.720298348428343) internal successors, (139660), 37565 states have internal predecessors, (139660), 0 states have call successors, (0), 0 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 10:26:04,251 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:26:04,258 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;@131b6c9c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:26:04,258 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-09-16 10:26:04,466 INFO L276 IsEmpty]: Start isEmpty. Operand has 37566 states, 37540 states have (on average 3.720298348428343) internal successors, (139660), 37565 states have internal predecessors, (139660), 0 states have call successors, (0), 0 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 10:26:04,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-09-16 10:26:04,476 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:26:04,478 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] [2022-09-16 10:26:04,478 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:26:04,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:26:04,486 INFO L85 PathProgramCache]: Analyzing trace with hash 481853845, now seen corresponding path program 1 times [2022-09-16 10:26:04,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:26:04,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286703790] [2022-09-16 10:26:04,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:26:04,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:26:04,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:26:04,841 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 10:26:04,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:26:04,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286703790] [2022-09-16 10:26:04,843 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286703790] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:26:04,843 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:26:04,844 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 10:26:04,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711318305] [2022-09-16 10:26:04,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:26:04,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 10:26:04,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:26:04,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 10:26:04,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:26:04,977 INFO L87 Difference]: Start difference. First operand has 37566 states, 37540 states have (on average 3.720298348428343) internal successors, (139660), 37565 states have internal predecessors, (139660), 0 states have call successors, (0), 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 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 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 10:26:05,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:26:05,674 INFO L93 Difference]: Finished difference Result 28147 states and 100437 transitions. [2022-09-16 10:26:05,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 10:26:05,677 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 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 52 [2022-09-16 10:26:05,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:26:06,110 INFO L225 Difference]: With dead ends: 28147 [2022-09-16 10:26:06,111 INFO L226 Difference]: Without dead ends: 28147 [2022-09-16 10:26:06,112 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:26:06,116 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 52 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:26:06,116 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 166 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:26:06,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28147 states. [2022-09-16 10:26:07,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28147 to 28147. [2022-09-16 10:26:07,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28147 states, 28093 states have (on average 3.575161072153205) internal successors, (100437), 28146 states have internal predecessors, (100437), 0 states have call successors, (0), 0 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 10:26:07,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28147 states to 28147 states and 100437 transitions. [2022-09-16 10:26:07,926 INFO L78 Accepts]: Start accepts. Automaton has 28147 states and 100437 transitions. Word has length 52 [2022-09-16 10:26:07,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:26:07,926 INFO L495 AbstractCegarLoop]: Abstraction has 28147 states and 100437 transitions. [2022-09-16 10:26:07,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.0) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 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 10:26:07,927 INFO L276 IsEmpty]: Start isEmpty. Operand 28147 states and 100437 transitions. [2022-09-16 10:26:07,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-09-16 10:26:07,931 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:26:07,931 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] [2022-09-16 10:26:07,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:26:07,932 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:26:07,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:26:07,933 INFO L85 PathProgramCache]: Analyzing trace with hash 4467434, now seen corresponding path program 1 times [2022-09-16 10:26:07,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:26:07,933 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726016844] [2022-09-16 10:26:07,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:26:07,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:26:07,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:26:08,053 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 10:26:08,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:26:08,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726016844] [2022-09-16 10:26:08,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726016844] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:26:08,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:26:08,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:26:08,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196912476] [2022-09-16 10:26:08,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:26:08,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:26:08,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:26:08,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:26:08,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:26:08,168 INFO L87 Difference]: Start difference. First operand 28147 states and 100437 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 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 10:26:08,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:26:08,741 INFO L93 Difference]: Finished difference Result 25045 states and 88127 transitions. [2022-09-16 10:26:08,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:26:08,743 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2022-09-16 10:26:08,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:26:08,916 INFO L225 Difference]: With dead ends: 25045 [2022-09-16 10:26:08,917 INFO L226 Difference]: Without dead ends: 25045 [2022-09-16 10:26:08,920 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 [2022-09-16 10:26:08,922 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 155 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:26:08,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 223 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:26:09,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25045 states. [2022-09-16 10:26:09,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25045 to 24235. [2022-09-16 10:26:09,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24235 states, 24208 states have (on average 3.56345009914078) internal successors, (86264), 24234 states have internal predecessors, (86264), 0 states have call successors, (0), 0 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 10:26:10,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24235 states to 24235 states and 86264 transitions. [2022-09-16 10:26:10,162 INFO L78 Accepts]: Start accepts. Automaton has 24235 states and 86264 transitions. Word has length 64 [2022-09-16 10:26:10,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:26:10,170 INFO L495 AbstractCegarLoop]: Abstraction has 24235 states and 86264 transitions. [2022-09-16 10:26:10,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 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 10:26:10,170 INFO L276 IsEmpty]: Start isEmpty. Operand 24235 states and 86264 transitions. [2022-09-16 10:26:10,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-09-16 10:26:10,177 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:26:10,177 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] [2022-09-16 10:26:10,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 10:26:10,178 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:26:10,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:26:10,183 INFO L85 PathProgramCache]: Analyzing trace with hash 4467435, now seen corresponding path program 1 times [2022-09-16 10:26:10,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:26:10,184 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215415757] [2022-09-16 10:26:10,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:26:10,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:26:10,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:26:10,324 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 10:26:10,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:26:10,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215415757] [2022-09-16 10:26:10,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215415757] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:26:10,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:26:10,325 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:26:10,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989235212] [2022-09-16 10:26:10,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:26:10,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:26:10,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:26:10,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:26:10,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:26:10,327 INFO L87 Difference]: Start difference. First operand 24235 states and 86264 transitions. Second operand has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 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 10:26:10,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:26:10,560 INFO L93 Difference]: Finished difference Result 20053 states and 71380 transitions. [2022-09-16 10:26:10,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:26:10,561 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 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 64 [2022-09-16 10:26:10,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:26:10,933 INFO L225 Difference]: With dead ends: 20053 [2022-09-16 10:26:10,933 INFO L226 Difference]: Without dead ends: 20053 [2022-09-16 10:26:10,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:26:10,952 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 107 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 305 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:26:10,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 305 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:26:11,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20053 states. [2022-09-16 10:26:11,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20053 to 20053. [2022-09-16 10:26:11,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20053 states, 20044 states have (on average 3.5611654360407106) internal successors, (71380), 20052 states have internal predecessors, (71380), 0 states have call successors, (0), 0 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 10:26:11,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20053 states to 20053 states and 71380 transitions. [2022-09-16 10:26:11,642 INFO L78 Accepts]: Start accepts. Automaton has 20053 states and 71380 transitions. Word has length 64 [2022-09-16 10:26:11,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:26:11,643 INFO L495 AbstractCegarLoop]: Abstraction has 20053 states and 71380 transitions. [2022-09-16 10:26:11,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 21.333333333333332) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 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 10:26:11,643 INFO L276 IsEmpty]: Start isEmpty. Operand 20053 states and 71380 transitions. [2022-09-16 10:26:11,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-09-16 10:26:11,661 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:26:11,661 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] [2022-09-16 10:26:11,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 10:26:11,662 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:26:11,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:26:11,663 INFO L85 PathProgramCache]: Analyzing trace with hash -937027213, now seen corresponding path program 1 times [2022-09-16 10:26:11,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:26:11,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233916934] [2022-09-16 10:26:11,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:26:11,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:26:11,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:26:11,762 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 10:26:11,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:26:11,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233916934] [2022-09-16 10:26:11,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233916934] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:26:11,763 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:26:11,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 10:26:11,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126639662] [2022-09-16 10:26:11,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:26:11,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 10:26:11,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:26:11,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 10:26:11,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:26:11,765 INFO L87 Difference]: Start difference. First operand 20053 states and 71380 transitions. Second operand has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 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 10:26:12,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:26:12,115 INFO L93 Difference]: Finished difference Result 19243 states and 68707 transitions. [2022-09-16 10:26:12,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 10:26:12,116 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 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 77 [2022-09-16 10:26:12,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:26:12,117 INFO L225 Difference]: With dead ends: 19243 [2022-09-16 10:26:12,117 INFO L226 Difference]: Without dead ends: 0 [2022-09-16 10:26:12,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:26:12,118 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 201 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:26:12,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 228 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:26:12,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-09-16 10:26:12,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-09-16 10:26:12,119 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 10:26:12,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-09-16 10:26:12,119 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 77 [2022-09-16 10:26:12,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:26:12,120 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-16 10:26:12,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 19.25) internal successors, (77), 5 states have internal predecessors, (77), 0 states have call successors, (0), 0 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 10:26:12,120 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-09-16 10:26:12,120 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-09-16 10:26:12,123 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2022-09-16 10:26:12,123 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2022-09-16 10:26:12,123 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2022-09-16 10:26:12,123 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2022-09-16 10:26:12,124 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2022-09-16 10:26:12,124 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2022-09-16 10:26:12,124 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2022-09-16 10:26:12,124 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2022-09-16 10:26:12,124 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2022-09-16 10:26:12,125 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2022-09-16 10:26:12,125 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2022-09-16 10:26:12,125 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2022-09-16 10:26:12,125 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2022-09-16 10:26:12,125 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2022-09-16 10:26:12,126 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2022-09-16 10:26:12,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 10:26:12,131 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-09-16 10:26:12,136 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 10:26:12,136 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 10:26:12,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 10:26:12 BasicIcfg [2022-09-16 10:26:12,141 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 10:26:12,142 INFO L158 Benchmark]: Toolchain (without parser) took 11272.83ms. Allocated memory was 173.0MB in the beginning and 4.7GB in the end (delta: 4.6GB). Free memory was 148.6MB in the beginning and 4.1GB in the end (delta: -3.9GB). Peak memory consumption was 621.8MB. Max. memory is 8.0GB. [2022-09-16 10:26:12,143 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 173.0MB. Free memory is still 133.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:26:12,143 INFO L158 Benchmark]: CACSL2BoogieTranslator took 541.62ms. Allocated memory was 173.0MB in the beginning and 207.6MB in the end (delta: 34.6MB). Free memory was 148.6MB in the beginning and 168.7MB in the end (delta: -20.1MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-09-16 10:26:12,143 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.89ms. Allocated memory is still 207.6MB. Free memory was 168.7MB in the beginning and 166.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 10:26:12,144 INFO L158 Benchmark]: Boogie Preprocessor took 43.06ms. Allocated memory is still 207.6MB. Free memory was 166.3MB in the beginning and 164.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 10:26:12,144 INFO L158 Benchmark]: RCFGBuilder took 1198.03ms. Allocated memory is still 207.6MB. Free memory was 164.2MB in the beginning and 142.9MB in the end (delta: 21.3MB). Peak memory consumption was 58.2MB. Max. memory is 8.0GB. [2022-09-16 10:26:12,146 INFO L158 Benchmark]: TraceAbstraction took 9424.35ms. Allocated memory was 207.6MB in the beginning and 4.7GB in the end (delta: 4.5GB). Free memory was 142.4MB in the beginning and 4.1GB in the end (delta: -3.9GB). Peak memory consumption was 581.4MB. Max. memory is 8.0GB. [2022-09-16 10:26:12,148 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 173.0MB. Free memory is still 133.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 541.62ms. Allocated memory was 173.0MB in the beginning and 207.6MB in the end (delta: 34.6MB). Free memory was 148.6MB in the beginning and 168.7MB in the end (delta: -20.1MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 59.89ms. Allocated memory is still 207.6MB. Free memory was 168.7MB in the beginning and 166.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 43.06ms. Allocated memory is still 207.6MB. Free memory was 166.3MB in the beginning and 164.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1198.03ms. Allocated memory is still 207.6MB. Free memory was 164.2MB in the beginning and 142.9MB in the end (delta: 21.3MB). Peak memory consumption was 58.2MB. Max. memory is 8.0GB. * TraceAbstraction took 9424.35ms. Allocated memory was 207.6MB in the beginning and 4.7GB in the end (delta: 4.5GB). Free memory was 142.4MB in the beginning and 4.1GB in the end (delta: -3.9GB). Peak memory consumption was 581.4MB. 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: 777]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 777]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 806]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 806]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 829]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 829]: 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 7 procedures, 158 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 9.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 515 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 515 mSDsluCounter, 922 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 515 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 163 IncrementalHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 455 mSDtfsCounter, 163 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37566occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.7s AutomataMinimizationTime, 4 MinimizatonAttempts, 810 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 257 NumberOfCodeBlocks, 257 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 253 ConstructedInterpolants, 0 QuantifiedInterpolants, 695 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-09-16 10:26:12,193 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...