/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/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:33:06,859 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 10:33:06,860 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 10:33:06,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-09-16 10:33:06,915 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:33:06,917 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:33:06,918 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:33:06,921 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:33:06,922 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:33:06,922 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:33:06,924 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:33:06,930 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:33:06,931 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:33:06,933 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:33:06,935 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:33:06,936 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:33:06,944 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-16 10:33:06,952 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:33:06,953 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:33:06,953 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:33:06,954 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 10:33:06,992 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:33:06,993 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:33:06,993 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:33:06,993 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:33:06,994 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:33:06,994 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:33:06,994 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:33:06,995 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:33:06,995 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:33:06,995 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:33:06,996 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:33:06,996 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:33:06,996 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:33:06,996 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:33:06,996 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:33:06,996 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:33:06,996 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:33:06,997 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:33:06,997 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:33:06,997 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:33:06,997 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:33:06,997 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:33:06,997 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:33:06,998 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:33:06,998 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:33:06,998 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:33:06,999 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:33:06,999 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:33:06,999 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:33:06,999 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:33:06,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:33:06,999 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:33:06,999 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:33:07,000 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:33:07,236 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:33:07,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:33:07,259 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:33:07,261 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:33:07,262 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:33:07,263 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-09-16 10:33:07,319 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5dda4662b/b3d8693092114b8394eca1525845bea6/FLAGd36ed5eb9 [2022-09-16 10:33:07,855 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:33:07,856 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-09-16 10:33:07,883 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5dda4662b/b3d8693092114b8394eca1525845bea6/FLAGd36ed5eb9 [2022-09-16 10:33:08,321 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5dda4662b/b3d8693092114b8394eca1525845bea6 [2022-09-16 10:33:08,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:33:08,324 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:33:08,325 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:33:08,326 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:33:08,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:33:08,329 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:33:08" (1/1) ... [2022-09-16 10:33:08,330 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71041eaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:33:08, skipping insertion in model container [2022-09-16 10:33:08,330 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:33:08" (1/1) ... [2022-09-16 10:33:08,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:33:08,384 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:33:08,589 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/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i[974,987] [2022-09-16 10:33:08,832 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:33:08,843 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:33:08,854 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/rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i[974,987] [2022-09-16 10:33:08,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:33:08,951 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:33:08,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:33:08 WrapperNode [2022-09-16 10:33:08,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:33:08,954 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:33:08,954 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:33:08,954 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:33:08,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:33:08" (1/1) ... [2022-09-16 10:33:08,995 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:33:08" (1/1) ... [2022-09-16 10:33:09,041 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 379 [2022-09-16 10:33:09,041 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:33:09,042 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:33:09,042 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:33:09,042 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:33:09,054 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:33:08" (1/1) ... [2022-09-16 10:33:09,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:33:08" (1/1) ... [2022-09-16 10:33:09,059 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:33:08" (1/1) ... [2022-09-16 10:33:09,067 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:33:08" (1/1) ... [2022-09-16 10:33:09,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:33:08" (1/1) ... [2022-09-16 10:33:09,098 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:33:08" (1/1) ... [2022-09-16 10:33:09,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:33:08" (1/1) ... [2022-09-16 10:33:09,105 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:33:09,106 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:33:09,106 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:33:09,106 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:33:09,113 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:33:08" (1/1) ... [2022-09-16 10:33:09,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:33:09,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:33:09,145 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 10:33:09,177 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 10:33:09,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:33:09,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 10:33:09,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:33:09,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:33:09,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:33:09,184 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 10:33:09,184 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 10:33:09,184 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 10:33:09,184 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 10:33:09,185 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-09-16 10:33:09,186 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-09-16 10:33:09,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:33:09,186 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 10:33:09,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:33:09,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:33:09,188 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 10:33:09,380 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:33:09,381 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:33:09,944 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:33:10,437 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:33:10,437 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:33:10,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:33:10 BoogieIcfgContainer [2022-09-16 10:33:10,440 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:33:10,442 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:33:10,442 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:33:10,445 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:33:10,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:33:08" (1/3) ... [2022-09-16 10:33:10,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c4bf48b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:33:10, skipping insertion in model container [2022-09-16 10:33:10,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:33:08" (2/3) ... [2022-09-16 10:33:10,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c4bf48b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:33:10, skipping insertion in model container [2022-09-16 10:33:10,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:33:10" (3/3) ... [2022-09-16 10:33:10,447 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi006_pso.oepc_pso.opt_tso.oepc_tso.opt.i [2022-09-16 10:33:10,456 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:33:10,465 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:33:10,465 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-09-16 10:33:10,466 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:33:10,528 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 10:33:10,555 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 127 places, 119 transitions, 253 flow [2022-09-16 10:33:11,749 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 30736 states, 30710 states have (on average 3.6940735916639533) internal successors, (113445), 30735 states have internal predecessors, (113445), 0 states have call successors, (0), 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 10:33:11,773 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:33:11,783 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;@168eca79, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:33:11,783 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-09-16 10:33:11,961 INFO L276 IsEmpty]: Start isEmpty. Operand has 30736 states, 30710 states have (on average 3.6940735916639533) internal successors, (113445), 30735 states have internal predecessors, (113445), 0 states have call successors, (0), 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 10:33:11,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-09-16 10:33:11,971 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:33:11,972 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] [2022-09-16 10:33:11,973 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 10:33:11,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:33:11,979 INFO L85 PathProgramCache]: Analyzing trace with hash 341863551, now seen corresponding path program 1 times [2022-09-16 10:33:11,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:33:11,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668777018] [2022-09-16 10:33:11,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:33:11,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:33:12,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:33:12,310 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 10:33:12,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:33:12,312 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668777018] [2022-09-16 10:33:12,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668777018] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:33:12,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:33:12,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 10:33:12,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348482506] [2022-09-16 10:33:12,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:33:12,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 10:33:12,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:33:12,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 10:33:12,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:33:12,438 INFO L87 Difference]: Start difference. First operand has 30736 states, 30710 states have (on average 3.6940735916639533) internal successors, (113445), 30735 states have internal predecessors, (113445), 0 states have call successors, (0), 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 24.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 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 10:33:13,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:33:13,043 INFO L93 Difference]: Finished difference Result 23097 states and 81688 transitions. [2022-09-16 10:33:13,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 10:33:13,046 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 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 48 [2022-09-16 10:33:13,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:33:13,435 INFO L225 Difference]: With dead ends: 23097 [2022-09-16 10:33:13,435 INFO L226 Difference]: Without dead ends: 23097 [2022-09-16 10:33:13,437 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 10:33:13,442 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 51 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:33:13,444 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 155 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:33:13,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23097 states. [2022-09-16 10:33:14,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23097 to 23097. [2022-09-16 10:33:14,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23097 states, 23043 states have (on average 3.5450245193768173) internal successors, (81688), 23096 states have internal predecessors, (81688), 0 states have call successors, (0), 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 10:33:14,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23097 states to 23097 states and 81688 transitions. [2022-09-16 10:33:14,906 INFO L78 Accepts]: Start accepts. Automaton has 23097 states and 81688 transitions. Word has length 48 [2022-09-16 10:33:14,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:33:14,906 INFO L495 AbstractCegarLoop]: Abstraction has 23097 states and 81688 transitions. [2022-09-16 10:33:14,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 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 10:33:14,907 INFO L276 IsEmpty]: Start isEmpty. Operand 23097 states and 81688 transitions. [2022-09-16 10:33:14,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-09-16 10:33:14,911 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:33:14,911 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] [2022-09-16 10:33:14,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:33:14,912 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 10:33:14,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:33:14,912 INFO L85 PathProgramCache]: Analyzing trace with hash 772042236, now seen corresponding path program 1 times [2022-09-16 10:33:14,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:33:14,913 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013025337] [2022-09-16 10:33:14,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:33:14,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:33:14,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:33:15,215 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 10:33:15,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:33:15,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013025337] [2022-09-16 10:33:15,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013025337] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:33:15,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:33:15,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:33:15,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [252009986] [2022-09-16 10:33:15,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:33:15,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:33:15,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:33:15,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:33:15,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:33:15,219 INFO L87 Difference]: Start difference. First operand 23097 states and 81688 transitions. Second operand has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 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 10:33:15,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:33:15,598 INFO L93 Difference]: Finished difference Result 20355 states and 70686 transitions. [2022-09-16 10:33:15,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:33:15,599 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 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 61 [2022-09-16 10:33:15,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:33:15,860 INFO L225 Difference]: With dead ends: 20355 [2022-09-16 10:33:15,860 INFO L226 Difference]: Without dead ends: 20355 [2022-09-16 10:33:15,864 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 10:33:15,866 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 145 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:33:15,866 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 208 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:33:15,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20355 states. [2022-09-16 10:33:16,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20355 to 19545. [2022-09-16 10:33:16,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19545 states, 19518 states have (on average 3.526129726406394) internal successors, (68823), 19544 states have internal predecessors, (68823), 0 states have call successors, (0), 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 10:33:16,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19545 states to 19545 states and 68823 transitions. [2022-09-16 10:33:16,748 INFO L78 Accepts]: Start accepts. Automaton has 19545 states and 68823 transitions. Word has length 61 [2022-09-16 10:33:16,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:33:16,755 INFO L495 AbstractCegarLoop]: Abstraction has 19545 states and 68823 transitions. [2022-09-16 10:33:16,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 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 10:33:16,756 INFO L276 IsEmpty]: Start isEmpty. Operand 19545 states and 68823 transitions. [2022-09-16 10:33:16,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-09-16 10:33:16,762 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:33:16,762 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] [2022-09-16 10:33:16,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 10:33:16,762 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 10:33:16,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:33:16,767 INFO L85 PathProgramCache]: Analyzing trace with hash 772042237, now seen corresponding path program 1 times [2022-09-16 10:33:16,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:33:16,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684095425] [2022-09-16 10:33:16,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:33:16,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:33:16,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:33:16,934 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 10:33:16,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:33:16,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684095425] [2022-09-16 10:33:16,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684095425] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:33:16,935 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:33:16,935 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:33:16,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011710231] [2022-09-16 10:33:16,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:33:16,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:33:16,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:33:16,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:33:16,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:33:16,937 INFO L87 Difference]: Start difference. First operand 19545 states and 68823 transitions. Second operand has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 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 10:33:17,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:33:17,333 INFO L93 Difference]: Finished difference Result 15723 states and 55247 transitions. [2022-09-16 10:33:17,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:33:17,334 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 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 61 [2022-09-16 10:33:17,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:33:17,440 INFO L225 Difference]: With dead ends: 15723 [2022-09-16 10:33:17,440 INFO L226 Difference]: Without dead ends: 15723 [2022-09-16 10:33:17,442 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 10:33:17,446 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 103 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 283 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:33:17,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 283 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:33:17,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15723 states. [2022-09-16 10:33:17,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15723 to 15723. [2022-09-16 10:33:18,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15723 states, 15714 states have (on average 3.515782105129184) internal successors, (55247), 15722 states have internal predecessors, (55247), 0 states have call successors, (0), 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 10:33:18,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15723 states to 15723 states and 55247 transitions. [2022-09-16 10:33:18,214 INFO L78 Accepts]: Start accepts. Automaton has 15723 states and 55247 transitions. Word has length 61 [2022-09-16 10:33:18,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:33:18,215 INFO L495 AbstractCegarLoop]: Abstraction has 15723 states and 55247 transitions. [2022-09-16 10:33:18,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.333333333333332) internal successors, (61), 4 states have internal predecessors, (61), 0 states have call successors, (0), 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 10:33:18,215 INFO L276 IsEmpty]: Start isEmpty. Operand 15723 states and 55247 transitions. [2022-09-16 10:33:18,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-09-16 10:33:18,232 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:33:18,233 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] [2022-09-16 10:33:18,233 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 10:33:18,233 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-09-16 10:33:18,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:33:18,234 INFO L85 PathProgramCache]: Analyzing trace with hash 937966285, now seen corresponding path program 1 times [2022-09-16 10:33:18,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:33:18,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010154299] [2022-09-16 10:33:18,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:33:18,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:33:18,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:33:18,393 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 10:33:18,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:33:18,394 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010154299] [2022-09-16 10:33:18,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010154299] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:33:18,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:33:18,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-09-16 10:33:18,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424296260] [2022-09-16 10:33:18,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:33:18,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-09-16 10:33:18,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:33:18,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-09-16 10:33:18,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-09-16 10:33:18,396 INFO L87 Difference]: Start difference. First operand 15723 states and 55247 transitions. Second operand has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 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 10:33:18,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:33:18,600 INFO L93 Difference]: Finished difference Result 14913 states and 52574 transitions. [2022-09-16 10:33:18,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-09-16 10:33:18,601 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 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 72 [2022-09-16 10:33:18,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:33:18,602 INFO L225 Difference]: With dead ends: 14913 [2022-09-16 10:33:18,602 INFO L226 Difference]: Without dead ends: 0 [2022-09-16 10:33:18,602 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 10:33:18,603 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 200 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:33:18,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 213 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:33:18,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-09-16 10:33:18,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-09-16 10:33:18,605 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 10:33:18,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-09-16 10:33:18,605 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2022-09-16 10:33:18,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:33:18,605 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-16 10:33:18,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 18.0) internal successors, (72), 5 states have internal predecessors, (72), 0 states have call successors, (0), 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 10:33:18,606 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-09-16 10:33:18,606 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-09-16 10:33:18,609 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2022-09-16 10:33:18,609 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2022-09-16 10:33:18,610 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2022-09-16 10:33:18,610 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2022-09-16 10:33:18,610 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2022-09-16 10:33:18,610 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2022-09-16 10:33:18,610 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2022-09-16 10:33:18,610 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2022-09-16 10:33:18,611 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2022-09-16 10:33:18,611 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2022-09-16 10:33:18,611 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2022-09-16 10:33:18,611 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2022-09-16 10:33:18,611 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2022-09-16 10:33:18,611 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2022-09-16 10:33:18,612 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2022-09-16 10:33:18,612 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-09-16 10:33:18,620 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-09-16 10:33:18,626 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 10:33:18,626 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 10:33:18,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 10:33:18 BasicIcfg [2022-09-16 10:33:18,629 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 10:33:18,629 INFO L158 Benchmark]: Toolchain (without parser) took 10305.39ms. Allocated memory was 177.2MB in the beginning and 2.9GB in the end (delta: 2.7GB). Free memory was 155.0MB in the beginning and 2.3GB in the end (delta: -2.2GB). Peak memory consumption was 543.3MB. Max. memory is 8.0GB. [2022-09-16 10:33:18,630 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 177.2MB. Free memory was 138.5MB in the beginning and 138.4MB in the end (delta: 69.1kB). There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:33:18,630 INFO L158 Benchmark]: CACSL2BoogieTranslator took 626.93ms. Allocated memory was 177.2MB in the beginning and 212.9MB in the end (delta: 35.7MB). Free memory was 155.0MB in the beginning and 173.2MB in the end (delta: -18.2MB). Peak memory consumption was 21.7MB. Max. memory is 8.0GB. [2022-09-16 10:33:18,630 INFO L158 Benchmark]: Boogie Procedure Inliner took 88.02ms. Allocated memory is still 212.9MB. Free memory was 173.2MB in the beginning and 169.7MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 10:33:18,631 INFO L158 Benchmark]: Boogie Preprocessor took 62.91ms. Allocated memory is still 212.9MB. Free memory was 169.7MB in the beginning and 167.0MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-09-16 10:33:18,631 INFO L158 Benchmark]: RCFGBuilder took 1333.94ms. Allocated memory is still 212.9MB. Free memory was 167.0MB in the beginning and 134.6MB in the end (delta: 32.4MB). Peak memory consumption was 106.8MB. Max. memory is 8.0GB. [2022-09-16 10:33:18,631 INFO L158 Benchmark]: TraceAbstraction took 8187.45ms. Allocated memory was 212.9MB in the beginning and 2.9GB in the end (delta: 2.7GB). Free memory was 134.1MB in the beginning and 2.3GB in the end (delta: -2.2GB). Peak memory consumption was 487.1MB. Max. memory is 8.0GB. [2022-09-16 10:33:18,636 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 177.2MB. Free memory was 138.5MB in the beginning and 138.4MB in the end (delta: 69.1kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 626.93ms. Allocated memory was 177.2MB in the beginning and 212.9MB in the end (delta: 35.7MB). Free memory was 155.0MB in the beginning and 173.2MB in the end (delta: -18.2MB). Peak memory consumption was 21.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 88.02ms. Allocated memory is still 212.9MB. Free memory was 173.2MB in the beginning and 169.7MB in the end (delta: 3.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 62.91ms. Allocated memory is still 212.9MB. Free memory was 169.7MB in the beginning and 167.0MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1333.94ms. Allocated memory is still 212.9MB. Free memory was 167.0MB in the beginning and 134.6MB in the end (delta: 32.4MB). Peak memory consumption was 106.8MB. Max. memory is 8.0GB. * TraceAbstraction took 8187.45ms. Allocated memory was 212.9MB in the beginning and 2.9GB in the end (delta: 2.7GB). Free memory was 134.1MB in the beginning and 2.3GB in the end (delta: -2.2GB). Peak memory consumption was 487.1MB. 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: 756]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 756]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 801]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 801]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 818]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 818]: 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, 151 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 8.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 499 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 499 mSDsluCounter, 859 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 498 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 187 IncrementalHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 423 mSDtfsCounter, 187 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=30736occurred 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: 3.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 810 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 242 NumberOfCodeBlocks, 242 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 238 ConstructedInterpolants, 0 QuantifiedInterpolants, 650 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 10:33:18,675 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...