/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/mix009.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-53ca081-m [2022-09-16 10:21:30,895 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-09-16 10:21:30,897 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-09-16 10:21:30,928 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-09-16 10:21:30,928 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-09-16 10:21:30,932 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-09-16 10:21:30,937 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-09-16 10:21:30,942 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-09-16 10:21:30,943 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-09-16 10:21:30,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-09-16 10:21:30,944 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-09-16 10:21:30,945 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-09-16 10:21:30,945 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-09-16 10:21:30,946 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-09-16 10:21:30,947 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-09-16 10:21:30,948 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-09-16 10:21:30,948 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-09-16 10:21:30,949 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-09-16 10:21:30,950 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-09-16 10:21:30,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-09-16 10:21:30,963 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-09-16 10:21:30,965 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-09-16 10:21:30,966 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-09-16 10:21:30,966 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-09-16 10:21:30,969 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-09-16 10:21:30,978 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-09-16 10:21:30,980 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-09-16 10:21:30,981 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-09-16 10:21:30,983 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 10:21:31,014 INFO L113 SettingsManager]: Loading preferences was successful [2022-09-16 10:21:31,015 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-09-16 10:21:31,015 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-09-16 10:21:31,015 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-09-16 10:21:31,016 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-09-16 10:21:31,016 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-09-16 10:21:31,016 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-09-16 10:21:31,017 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-09-16 10:21:31,017 INFO L138 SettingsManager]: * Use SBE=true [2022-09-16 10:21:31,017 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-09-16 10:21:31,017 INFO L138 SettingsManager]: * sizeof long=4 [2022-09-16 10:21:31,018 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-09-16 10:21:31,018 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-09-16 10:21:31,018 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-09-16 10:21:31,018 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-09-16 10:21:31,018 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-09-16 10:21:31,018 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-09-16 10:21:31,018 INFO L138 SettingsManager]: * sizeof long double=12 [2022-09-16 10:21:31,018 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-09-16 10:21:31,019 INFO L138 SettingsManager]: * Use constant arrays=true [2022-09-16 10:21:31,019 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-09-16 10:21:31,019 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-09-16 10:21:31,019 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-09-16 10:21:31,020 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-09-16 10:21:31,020 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-09-16 10:21:31,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:21:31,020 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-09-16 10:21:31,020 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-09-16 10:21:31,021 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-09-16 10:21:31,021 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-09-16 10:21:31,021 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-09-16 10:21:31,021 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-09-16 10:21:31,021 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-09-16 10:21:31,021 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-09-16 10:21:31,260 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-09-16 10:21:31,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-09-16 10:21:31,280 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-09-16 10:21:31,281 INFO L271 PluginConnector]: Initializing CDTParser... [2022-09-16 10:21:31,282 INFO L275 PluginConnector]: CDTParser initialized [2022-09-16 10:21:31,283 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix009.opt.i [2022-09-16 10:21:31,339 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03512a831/82c840b25cb54e58bb567347e5c11339/FLAG9d03ca93b [2022-09-16 10:21:31,831 INFO L306 CDTParser]: Found 1 translation units. [2022-09-16 10:21:31,832 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix009.opt.i [2022-09-16 10:21:31,857 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03512a831/82c840b25cb54e58bb567347e5c11339/FLAG9d03ca93b [2022-09-16 10:21:32,157 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/03512a831/82c840b25cb54e58bb567347e5c11339 [2022-09-16 10:21:32,159 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-09-16 10:21:32,160 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-09-16 10:21:32,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-09-16 10:21:32,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-09-16 10:21:32,165 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-09-16 10:21:32,166 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:21:32" (1/1) ... [2022-09-16 10:21:32,167 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4db767fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:32, skipping insertion in model container [2022-09-16 10:21:32,167 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 10:21:32" (1/1) ... [2022-09-16 10:21:32,173 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-09-16 10:21:32,217 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-09-16 10:21:32,367 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/mix009.opt.i[987,1000] [2022-09-16 10:21:32,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:21:32,566 INFO L203 MainTranslator]: Completed pre-run [2022-09-16 10:21:32,583 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/mix009.opt.i[987,1000] [2022-09-16 10:21:32,651 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-09-16 10:21:32,692 INFO L208 MainTranslator]: Completed translation [2022-09-16 10:21:32,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:32 WrapperNode [2022-09-16 10:21:32,692 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-09-16 10:21:32,693 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-09-16 10:21:32,693 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-09-16 10:21:32,693 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-09-16 10:21:32,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:32" (1/1) ... [2022-09-16 10:21:32,729 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:32" (1/1) ... [2022-09-16 10:21:32,759 INFO L138 Inliner]: procedures = 175, calls = 47, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 268 [2022-09-16 10:21:32,760 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-09-16 10:21:32,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-09-16 10:21:32,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-09-16 10:21:32,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-09-16 10:21:32,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:32" (1/1) ... [2022-09-16 10:21:32,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:32" (1/1) ... [2022-09-16 10:21:32,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:32" (1/1) ... [2022-09-16 10:21:32,788 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:32" (1/1) ... [2022-09-16 10:21:32,797 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:32" (1/1) ... [2022-09-16 10:21:32,800 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:32" (1/1) ... [2022-09-16 10:21:32,802 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:32" (1/1) ... [2022-09-16 10:21:32,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-09-16 10:21:32,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-09-16 10:21:32,807 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-09-16 10:21:32,807 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-09-16 10:21:32,824 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:32" (1/1) ... [2022-09-16 10:21:32,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-09-16 10:21:32,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-09-16 10:21:32,865 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 10:21:32,884 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 10:21:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-09-16 10:21:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-09-16 10:21:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-09-16 10:21:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-09-16 10:21:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-09-16 10:21:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-09-16 10:21:32,898 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-09-16 10:21:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-09-16 10:21:32,898 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-09-16 10:21:32,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-09-16 10:21:32,899 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-09-16 10:21:32,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-09-16 10:21:32,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-09-16 10:21:32,900 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 10:21:33,078 INFO L234 CfgBuilder]: Building ICFG [2022-09-16 10:21:33,079 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-09-16 10:21:33,621 INFO L275 CfgBuilder]: Performing block encoding [2022-09-16 10:21:34,053 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-09-16 10:21:34,053 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-09-16 10:21:34,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:21:34 BoogieIcfgContainer [2022-09-16 10:21:34,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-09-16 10:21:34,059 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-09-16 10:21:34,059 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-09-16 10:21:34,065 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-09-16 10:21:34,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.09 10:21:32" (1/3) ... [2022-09-16 10:21:34,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48262f66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:21:34, skipping insertion in model container [2022-09-16 10:21:34,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 10:21:32" (2/3) ... [2022-09-16 10:21:34,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48262f66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.09 10:21:34, skipping insertion in model container [2022-09-16 10:21:34,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 10:21:34" (3/3) ... [2022-09-16 10:21:34,068 INFO L112 eAbstractionObserver]: Analyzing ICFG mix009.opt.i [2022-09-16 10:21:34,075 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-09-16 10:21:34,083 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-09-16 10:21:34,083 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-09-16 10:21:34,083 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-09-16 10:21:34,146 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-09-16 10:21:34,181 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 107 places, 102 transitions, 214 flow [2022-09-16 10:21:34,316 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 3368 states, 3360 states have (on average 2.8) internal successors, (9408), 3367 states have internal predecessors, (9408), 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 10:21:34,335 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-09-16 10:21:34,341 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;@278d4c0b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-09-16 10:21:34,341 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-09-16 10:21:34,353 INFO L276 IsEmpty]: Start isEmpty. Operand has 3368 states, 3360 states have (on average 2.8) internal successors, (9408), 3367 states have internal predecessors, (9408), 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 10:21:34,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-09-16 10:21:34,362 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:21:34,362 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] [2022-09-16 10:21:34,363 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-09-16 10:21:34,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:21:34,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1102315903, now seen corresponding path program 1 times [2022-09-16 10:21:34,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:21:34,378 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854328174] [2022-09-16 10:21:34,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:21:34,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:21:34,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:21:34,665 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 10:21:34,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:21:34,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854328174] [2022-09-16 10:21:34,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854328174] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:21:34,666 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:21:34,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-09-16 10:21:34,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400557902] [2022-09-16 10:21:34,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:21:34,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-09-16 10:21:34,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:21:34,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-09-16 10:21:34,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-09-16 10:21:34,711 INFO L87 Difference]: Start difference. First operand has 3368 states, 3360 states have (on average 2.8) internal successors, (9408), 3367 states have internal predecessors, (9408), 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 24.5) internal successors, (49), 3 states have internal predecessors, (49), 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 10:21:34,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:21:34,831 INFO L93 Difference]: Finished difference Result 2458 states and 6518 transitions. [2022-09-16 10:21:34,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-09-16 10:21:34,834 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 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 49 [2022-09-16 10:21:34,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:21:34,866 INFO L225 Difference]: With dead ends: 2458 [2022-09-16 10:21:34,866 INFO L226 Difference]: Without dead ends: 2458 [2022-09-16 10:21:34,868 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 10:21:34,870 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 39 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-09-16 10:21:34,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 134 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-09-16 10:21:34,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2458 states. [2022-09-16 10:21:34,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2458 to 2458. [2022-09-16 10:21:34,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2458 states, 2446 states have (on average 2.6647587898609975) internal successors, (6518), 2457 states have internal predecessors, (6518), 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 10:21:35,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2458 states to 2458 states and 6518 transitions. [2022-09-16 10:21:35,010 INFO L78 Accepts]: Start accepts. Automaton has 2458 states and 6518 transitions. Word has length 49 [2022-09-16 10:21:35,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:21:35,010 INFO L495 AbstractCegarLoop]: Abstraction has 2458 states and 6518 transitions. [2022-09-16 10:21:35,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 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 10:21:35,011 INFO L276 IsEmpty]: Start isEmpty. Operand 2458 states and 6518 transitions. [2022-09-16 10:21:35,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-09-16 10:21:35,020 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:21:35,020 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] [2022-09-16 10:21:35,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-09-16 10:21:35,021 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-09-16 10:21:35,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:21:35,022 INFO L85 PathProgramCache]: Analyzing trace with hash 2127683607, now seen corresponding path program 1 times [2022-09-16 10:21:35,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:21:35,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549829971] [2022-09-16 10:21:35,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:21:35,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:21:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:21:35,264 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 10:21:35,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:21:35,266 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549829971] [2022-09-16 10:21:35,266 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549829971] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:21:35,266 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:21:35,266 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:21:35,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326572509] [2022-09-16 10:21:35,267 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:21:35,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:21:35,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:21:35,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:21:35,271 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:21:35,271 INFO L87 Difference]: Start difference. First operand 2458 states and 6518 transitions. Second operand has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 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 10:21:35,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:21:35,347 INFO L93 Difference]: Finished difference Result 2290 states and 6076 transitions. [2022-09-16 10:21:35,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:21:35,348 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 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 62 [2022-09-16 10:21:35,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:21:35,359 INFO L225 Difference]: With dead ends: 2290 [2022-09-16 10:21:35,360 INFO L226 Difference]: Without dead ends: 2290 [2022-09-16 10:21:35,363 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 10:21:35,364 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 116 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:21:35,365 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 140 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:21:35,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2290 states. [2022-09-16 10:21:35,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2290 to 2290. [2022-09-16 10:21:35,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2290 states, 2284 states have (on average 2.6602451838879158) internal successors, (6076), 2289 states have internal predecessors, (6076), 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 10:21:35,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2290 states to 2290 states and 6076 transitions. [2022-09-16 10:21:35,429 INFO L78 Accepts]: Start accepts. Automaton has 2290 states and 6076 transitions. Word has length 62 [2022-09-16 10:21:35,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:21:35,430 INFO L495 AbstractCegarLoop]: Abstraction has 2290 states and 6076 transitions. [2022-09-16 10:21:35,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 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 10:21:35,430 INFO L276 IsEmpty]: Start isEmpty. Operand 2290 states and 6076 transitions. [2022-09-16 10:21:35,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-09-16 10:21:35,432 INFO L187 NwaCegarLoop]: Found error trace [2022-09-16 10:21:35,433 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] [2022-09-16 10:21:35,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-09-16 10:21:35,433 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] === [2022-09-16 10:21:35,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-09-16 10:21:35,441 INFO L85 PathProgramCache]: Analyzing trace with hash 2127683608, now seen corresponding path program 1 times [2022-09-16 10:21:35,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-09-16 10:21:35,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118910844] [2022-09-16 10:21:35,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-09-16 10:21:35,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-09-16 10:21:35,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-09-16 10:21:35,558 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 10:21:35,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-09-16 10:21:35,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118910844] [2022-09-16 10:21:35,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118910844] provided 1 perfect and 0 imperfect interpolant sequences [2022-09-16 10:21:35,559 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-09-16 10:21:35,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-09-16 10:21:35,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063777889] [2022-09-16 10:21:35,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-09-16 10:21:35,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-09-16 10:21:35,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-09-16 10:21:35,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-09-16 10:21:35,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-09-16 10:21:35,561 INFO L87 Difference]: Start difference. First operand 2290 states and 6076 transitions. Second operand has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 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 10:21:35,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-09-16 10:21:35,627 INFO L93 Difference]: Finished difference Result 2122 states and 5634 transitions. [2022-09-16 10:21:35,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-09-16 10:21:35,628 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 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 62 [2022-09-16 10:21:35,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-09-16 10:21:35,630 INFO L225 Difference]: With dead ends: 2122 [2022-09-16 10:21:35,630 INFO L226 Difference]: Without dead ends: 0 [2022-09-16 10:21:35,632 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 10:21:35,636 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 75 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-09-16 10:21:35,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 247 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-09-16 10:21:35,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-09-16 10:21:35,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-09-16 10:21:35,638 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 10:21:35,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-09-16 10:21:35,638 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 62 [2022-09-16 10:21:35,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-09-16 10:21:35,639 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-09-16 10:21:35,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 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 10:21:35,639 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-09-16 10:21:35,639 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-09-16 10:21:35,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2022-09-16 10:21:35,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2022-09-16 10:21:35,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2022-09-16 10:21:35,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2022-09-16 10:21:35,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 10 remaining) [2022-09-16 10:21:35,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining) [2022-09-16 10:21:35,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2022-09-16 10:21:35,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2022-09-16 10:21:35,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2022-09-16 10:21:35,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2022-09-16 10:21:35,643 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-09-16 10:21:35,647 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-09-16 10:21:35,651 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-09-16 10:21:35,651 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-09-16 10:21:35,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.09 10:21:35 BasicIcfg [2022-09-16 10:21:35,655 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-09-16 10:21:35,656 INFO L158 Benchmark]: Toolchain (without parser) took 3495.80ms. Allocated memory was 187.7MB in the beginning and 261.1MB in the end (delta: 73.4MB). Free memory was 157.4MB in the beginning and 137.3MB in the end (delta: 20.1MB). Peak memory consumption was 93.4MB. Max. memory is 8.0GB. [2022-09-16 10:21:35,657 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 187.7MB. Free memory is still 144.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-09-16 10:21:35,657 INFO L158 Benchmark]: CACSL2BoogieTranslator took 531.34ms. Allocated memory was 187.7MB in the beginning and 261.1MB in the end (delta: 73.4MB). Free memory was 157.3MB in the beginning and 218.3MB in the end (delta: -61.0MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-09-16 10:21:35,659 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.78ms. Allocated memory is still 261.1MB. Free memory was 218.3MB in the beginning and 215.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 10:21:35,659 INFO L158 Benchmark]: Boogie Preprocessor took 45.43ms. Allocated memory is still 261.1MB. Free memory was 215.7MB in the beginning and 213.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-09-16 10:21:35,659 INFO L158 Benchmark]: RCFGBuilder took 1250.09ms. Allocated memory is still 261.1MB. Free memory was 213.0MB in the beginning and 197.1MB in the end (delta: 15.9MB). Peak memory consumption was 101.4MB. Max. memory is 8.0GB. [2022-09-16 10:21:35,660 INFO L158 Benchmark]: TraceAbstraction took 1596.76ms. Allocated memory is still 261.1MB. Free memory was 196.1MB in the beginning and 137.3MB in the end (delta: 58.8MB). Peak memory consumption was 58.8MB. Max. memory is 8.0GB. [2022-09-16 10:21:35,661 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 187.7MB. Free memory is still 144.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 531.34ms. Allocated memory was 187.7MB in the beginning and 261.1MB in the end (delta: 73.4MB). Free memory was 157.3MB in the beginning and 218.3MB in the end (delta: -61.0MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 66.78ms. Allocated memory is still 261.1MB. Free memory was 218.3MB in the beginning and 215.7MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 45.43ms. Allocated memory is still 261.1MB. Free memory was 215.7MB in the beginning and 213.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 1250.09ms. Allocated memory is still 261.1MB. Free memory was 213.0MB in the beginning and 197.1MB in the end (delta: 15.9MB). Peak memory consumption was 101.4MB. Max. memory is 8.0GB. * TraceAbstraction took 1596.76ms. Allocated memory is still 261.1MB. Free memory was 196.1MB in the beginning and 137.3MB in the end (delta: 58.8MB). Peak memory consumption was 58.8MB. 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: 772]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 772]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 816]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 816]: 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 5 procedures, 125 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 230 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 230 mSDsluCounter, 521 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 258 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 83 IncrementalHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 288 mSDtfsCounter, 83 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3368occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 173 NumberOfCodeBlocks, 173 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 170 ConstructedInterpolants, 0 QuantifiedInterpolants, 462 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-09-16 10:21:35,692 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...