/usr/bin/java -Xmx16000000000 -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-POR-NewStatesSleepPersistentFixedOrder-NoLbe-LoopLockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-ba0fd47f62a02cd5486659f03d300faf678a2e90-ba0fd47 [2021-11-14 10:36:11,945 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-14 10:36:11,947 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-14 10:36:12,002 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-14 10:36:12,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-14 10:36:12,004 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-14 10:36:12,005 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-14 10:36:12,006 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-14 10:36:12,008 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-14 10:36:12,008 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-14 10:36:12,009 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-14 10:36:12,010 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-14 10:36:12,010 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-14 10:36:12,013 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-14 10:36:12,014 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-14 10:36:12,015 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-14 10:36:12,016 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-14 10:36:12,017 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-14 10:36:12,018 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-14 10:36:12,020 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-14 10:36:12,021 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-14 10:36:12,022 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-14 10:36:12,023 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-14 10:36:12,023 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-14 10:36:12,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-14 10:36:12,026 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-14 10:36:12,026 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-14 10:36:12,027 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-14 10:36:12,027 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-14 10:36:12,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-14 10:36:12,028 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-14 10:36:12,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-14 10:36:12,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-14 10:36:12,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-14 10:36:12,031 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-14 10:36:12,031 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-14 10:36:12,032 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-14 10:36:12,032 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-14 10:36:12,032 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-14 10:36:12,033 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-14 10:36:12,034 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-14 10:36:12,034 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-POR-NewStatesSleepPersistentFixedOrder-NoLbe-LoopLockstep.epf [2021-11-14 10:36:12,053 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-14 10:36:12,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-14 10:36:12,054 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-14 10:36:12,054 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-14 10:36:12,054 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-14 10:36:12,055 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-14 10:36:12,055 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-14 10:36:12,055 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-14 10:36:12,055 INFO L138 SettingsManager]: * Use SBE=true [2021-11-14 10:36:12,055 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-14 10:36:12,056 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-14 10:36:12,056 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-14 10:36:12,056 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-14 10:36:12,056 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-14 10:36:12,056 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-14 10:36:12,056 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-14 10:36:12,056 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-14 10:36:12,056 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-14 10:36:12,056 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-14 10:36:12,057 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-14 10:36:12,057 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-14 10:36:12,057 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-14 10:36:12,057 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-14 10:36:12,057 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-14 10:36:12,057 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-14 10:36:12,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-14 10:36:12,058 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-14 10:36:12,058 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-14 10:36:12,058 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-14 10:36:12,058 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-14 10:36:12,058 INFO L138 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2021-11-14 10:36:12,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-14 10:36:12,058 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-14 10:36:12,058 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-14 10:36:12,059 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-14 10:36:12,059 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-14 10:36:12,059 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-14 10:36:12,059 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-11-14 10:36:12,284 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-14 10:36:12,304 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-14 10:36:12,307 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-14 10:36:12,307 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-14 10:36:12,308 INFO L275 PluginConnector]: CDTParser initialized [2021-11-14 10:36:12,309 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c [2021-11-14 10:36:12,379 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e1a00677/d62180c8d0c441caa610408bcdc8260a/FLAGffed88c98 [2021-11-14 10:36:12,736 INFO L306 CDTParser]: Found 1 translation units. [2021-11-14 10:36:12,737 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c [2021-11-14 10:36:12,742 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e1a00677/d62180c8d0c441caa610408bcdc8260a/FLAGffed88c98 [2021-11-14 10:36:12,752 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e1a00677/d62180c8d0c441caa610408bcdc8260a [2021-11-14 10:36:12,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-14 10:36:12,755 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-11-14 10:36:12,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-14 10:36:12,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-14 10:36:12,767 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-14 10:36:12,767 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 10:36:12" (1/1) ... [2021-11-14 10:36:12,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6729bab4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:36:12, skipping insertion in model container [2021-11-14 10:36:12,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 10:36:12" (1/1) ... [2021-11-14 10:36:12,775 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-14 10:36:12,796 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-14 10:36:12,949 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c[3134,3147] [2021-11-14 10:36:12,952 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 10:36:12,958 INFO L203 MainTranslator]: Completed pre-run [2021-11-14 10:36:12,975 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bluetooth.wvr.c[3134,3147] [2021-11-14 10:36:12,976 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-14 10:36:12,987 INFO L208 MainTranslator]: Completed translation [2021-11-14 10:36:12,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:36:12 WrapperNode [2021-11-14 10:36:12,988 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-14 10:36:12,989 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-14 10:36:12,989 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-14 10:36:12,989 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-14 10:36:12,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:36:12" (1/1) ... [2021-11-14 10:36:13,006 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:36:12" (1/1) ... [2021-11-14 10:36:13,024 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-14 10:36:13,025 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-14 10:36:13,025 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-14 10:36:13,025 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-14 10:36:13,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:36:12" (1/1) ... [2021-11-14 10:36:13,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:36:12" (1/1) ... [2021-11-14 10:36:13,032 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:36:12" (1/1) ... [2021-11-14 10:36:13,032 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:36:12" (1/1) ... [2021-11-14 10:36:13,037 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:36:12" (1/1) ... [2021-11-14 10:36:13,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:36:12" (1/1) ... [2021-11-14 10:36:13,041 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:36:12" (1/1) ... [2021-11-14 10:36:13,043 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-14 10:36:13,048 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-14 10:36:13,048 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-14 10:36:13,049 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-14 10:36:13,049 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:36:12" (1/1) ... [2021-11-14 10:36:13,062 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-14 10:36:13,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 10:36:13,085 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) [2021-11-14 10:36:13,114 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 [2021-11-14 10:36:13,128 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-14 10:36:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-11-14 10:36:13,129 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-11-14 10:36:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-11-14 10:36:13,129 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-11-14 10:36:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-14 10:36:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-14 10:36:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-14 10:36:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-11-14 10:36:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-11-14 10:36:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-14 10:36:13,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-14 10:36:13,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-14 10:36:13,130 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-14 10:36:13,131 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-14 10:36:13,526 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-14 10:36:13,526 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-14 10:36:13,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 10:36:13 BoogieIcfgContainer [2021-11-14 10:36:13,528 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-14 10:36:13,530 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-14 10:36:13,530 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-14 10:36:13,532 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-14 10:36:13,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 10:36:12" (1/3) ... [2021-11-14 10:36:13,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@397a9586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 10:36:13, skipping insertion in model container [2021-11-14 10:36:13,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:36:12" (2/3) ... [2021-11-14 10:36:13,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@397a9586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 10:36:13, skipping insertion in model container [2021-11-14 10:36:13,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 10:36:13" (3/3) ... [2021-11-14 10:36:13,535 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-bluetooth.wvr.c [2021-11-14 10:36:13,539 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-14 10:36:13,539 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-14 10:36:13,539 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-14 10:36:13,539 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-14 10:36:13,565 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:36:13,565 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:36:13,565 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:36:13,565 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:36:13,565 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:36:13,566 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:36:13,566 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:36:13,566 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:36:13,566 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:36:13,566 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:36:13,566 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:36:13,567 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:36:13,567 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:36:13,567 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:36:13,567 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:36:13,567 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:36:13,568 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:36:13,568 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:36:13,568 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:36:13,568 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:36:13,568 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:36:13,568 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:36:13,568 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:36:13,569 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:36:13,569 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:36:13,569 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:36:13,569 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:36:13,569 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:36:13,570 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:36:13,570 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:36:13,570 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:36:13,570 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:36:13,578 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:36:13,578 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:36:13,578 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:36:13,578 WARN L322 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:36:13,578 WARN L322 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~cond~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:36:13,579 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:36:13,579 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:36:13,580 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:36:13,580 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:36:13,580 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:36:13,580 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:36:13,580 WARN L322 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-14 10:36:13,582 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-11-14 10:36:13,647 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-14 10:36:13,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-14 10:36:13,655 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-14 10:36:13,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-14 10:36:13,704 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-11-14 10:36:13,715 INFO L339 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=PARTIAL_ORDER_FA, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-14 10:36:13,716 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-14 10:36:13,934 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-14 10:36:13,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 10:36:13,939 INFO L85 PathProgramCache]: Analyzing trace with hash -226773650, now seen corresponding path program 1 times [2021-11-14 10:36:13,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 10:36:13,950 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582898207] [2021-11-14 10:36:13,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:36:13,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 10:36:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:36:14,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 10:36:14,159 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 10:36:14,160 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582898207] [2021-11-14 10:36:14,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582898207] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 10:36:14,161 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 10:36:14,161 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-14 10:36:14,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932505241] [2021-11-14 10:36:14,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 10:36:14,170 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-14 10:36:14,170 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 10:36:14,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-14 10:36:14,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-14 10:36:14,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:36:14,195 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 10:36:14,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 59.5) internal successors, (119), 2 states have internal predecessors, (119), 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) [2021-11-14 10:36:14,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:36:14,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:36:14,255 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-14 10:36:14,255 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-14 10:36:14,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 10:36:14,256 INFO L85 PathProgramCache]: Analyzing trace with hash -76438338, now seen corresponding path program 1 times [2021-11-14 10:36:14,256 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 10:36:14,256 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881536085] [2021-11-14 10:36:14,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:36:14,257 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 10:36:14,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:36:14,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 10:36:14,478 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 10:36:14,478 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881536085] [2021-11-14 10:36:14,479 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881536085] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 10:36:14,479 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 10:36:14,479 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-14 10:36:14,479 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476575448] [2021-11-14 10:36:14,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 10:36:14,481 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-14 10:36:14,481 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 10:36:14,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-14 10:36:14,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-14 10:36:14,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:36:14,482 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 10:36:14,482 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 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) [2021-11-14 10:36:14,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:36:14,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:36:14,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:36:14,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:36:14,584 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-14 10:36:14,584 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-14 10:36:14,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 10:36:14,585 INFO L85 PathProgramCache]: Analyzing trace with hash -806011125, now seen corresponding path program 1 times [2021-11-14 10:36:14,585 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 10:36:14,585 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913521577] [2021-11-14 10:36:14,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:36:14,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 10:36:14,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:36:14,922 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 10:36:14,923 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 10:36:14,923 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913521577] [2021-11-14 10:36:14,924 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913521577] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 10:36:14,924 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 10:36:14,924 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-14 10:36:14,924 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695357890] [2021-11-14 10:36:14,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 10:36:14,926 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-14 10:36:14,926 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 10:36:14,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-14 10:36:14,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2021-11-14 10:36:14,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:36:14,928 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 10:36:14,928 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.090909090909092) internal successors, (111), 11 states have internal predecessors, (111), 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) [2021-11-14 10:36:14,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:36:14,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-11-14 10:36:14,929 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:36:15,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:36:15,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 10:36:15,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-14 10:36:15,123 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-14 10:36:15,124 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-14 10:36:15,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 10:36:15,125 INFO L85 PathProgramCache]: Analyzing trace with hash -564394288, now seen corresponding path program 1 times [2021-11-14 10:36:15,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 10:36:15,125 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867443899] [2021-11-14 10:36:15,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:36:15,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 10:36:15,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:36:15,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 10:36:15,303 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 10:36:15,304 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867443899] [2021-11-14 10:36:15,304 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867443899] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 10:36:15,307 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 10:36:15,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-14 10:36:15,308 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417671844] [2021-11-14 10:36:15,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 10:36:15,309 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-14 10:36:15,309 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 10:36:15,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-14 10:36:15,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-14 10:36:15,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:36:15,310 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 10:36:15,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.333333333333334) internal successors, (111), 9 states have internal predecessors, (111), 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) [2021-11-14 10:36:15,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:36:15,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 10:36:15,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-14 10:36:15,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:36:15,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:36:15,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-14 10:36:15,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-14 10:36:15,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:36:15,399 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-14 10:36:15,399 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-14 10:36:15,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 10:36:15,402 INFO L85 PathProgramCache]: Analyzing trace with hash -267562311, now seen corresponding path program 1 times [2021-11-14 10:36:15,402 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 10:36:15,402 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841010906] [2021-11-14 10:36:15,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:36:15,402 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 10:36:15,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:36:15,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 10:36:15,605 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 10:36:15,605 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841010906] [2021-11-14 10:36:15,605 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841010906] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 10:36:15,605 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 10:36:15,605 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-14 10:36:15,606 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827409534] [2021-11-14 10:36:15,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 10:36:15,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-14 10:36:15,606 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 10:36:15,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-14 10:36:15,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-11-14 10:36:15,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:36:15,608 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 10:36:15,609 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 8 states have internal predecessors, (110), 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) [2021-11-14 10:36:15,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:36:15,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-11-14 10:36:15,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-14 10:36:15,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-11-14 10:36:15,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:36:16,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:36:16,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-14 10:36:16,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-14 10:36:16,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-14 10:36:16,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-14 10:36:16,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-14 10:36:16,055 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-11-14 10:36:16,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-14 10:36:16,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1553234945, now seen corresponding path program 2 times [2021-11-14 10:36:16,059 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-14 10:36:16,059 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138574898] [2021-11-14 10:36:16,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-14 10:36:16,059 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-14 10:36:16,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-14 10:36:16,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-14 10:36:16,169 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-14 10:36:16,169 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138574898] [2021-11-14 10:36:16,170 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138574898] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-14 10:36:16,170 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-14 10:36:16,170 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-14 10:36:16,170 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099219728] [2021-11-14 10:36:16,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-14 10:36:16,171 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-14 10:36:16,171 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-14 10:36:16,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-14 10:36:16,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-11-14 10:36:16,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:36:16,172 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-14 10:36:16,172 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.5) internal successors, (111), 6 states have internal predecessors, (111), 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) [2021-11-14 10:36:16,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:36:16,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-14 10:36:16,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-14 10:36:16,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-11-14 10:36:16,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-11-14 10:36:16,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:36:16,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-14 10:36:16,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-14 10:36:16,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-14 10:36:16,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-14 10:36:16,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-14 10:36:16,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-14 10:36:16,263 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-11-14 10:36:16,263 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2021-11-14 10:36:16,263 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (0 of 3 remaining) [2021-11-14 10:36:16,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-14 10:36:16,275 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1] [2021-11-14 10:36:16,277 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-14 10:36:16,277 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-14 10:36:16,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 10:36:16 BasicIcfg [2021-11-14 10:36:16,282 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-14 10:36:16,283 INFO L158 Benchmark]: Toolchain (without parser) took 3527.48ms. Allocated memory was 337.6MB in the beginning and 411.0MB in the end (delta: 73.4MB). Free memory was 281.7MB in the beginning and 372.4MB in the end (delta: -90.8MB). There was no memory consumed. Max. memory is 16.0GB. [2021-11-14 10:36:16,283 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 337.6MB. Free memory is still 299.1MB. There was no memory consumed. Max. memory is 16.0GB. [2021-11-14 10:36:16,283 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.48ms. Allocated memory is still 337.6MB. Free memory was 281.4MB in the beginning and 308.4MB in the end (delta: -27.0MB). Peak memory consumption was 13.1MB. Max. memory is 16.0GB. [2021-11-14 10:36:16,284 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.49ms. Allocated memory is still 337.6MB. Free memory was 308.4MB in the beginning and 306.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2021-11-14 10:36:16,284 INFO L158 Benchmark]: Boogie Preprocessor took 18.74ms. Allocated memory is still 337.6MB. Free memory was 306.3MB in the beginning and 305.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. [2021-11-14 10:36:16,285 INFO L158 Benchmark]: RCFGBuilder took 480.13ms. Allocated memory is still 337.6MB. Free memory was 305.3MB in the beginning and 288.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2021-11-14 10:36:16,285 INFO L158 Benchmark]: TraceAbstraction took 2752.78ms. Allocated memory was 337.6MB in the beginning and 411.0MB in the end (delta: 73.4MB). Free memory was 288.5MB in the beginning and 372.4MB in the end (delta: -83.9MB). There was no memory consumed. Max. memory is 16.0GB. [2021-11-14 10:36:16,287 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 337.6MB. Free memory is still 299.1MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 224.48ms. Allocated memory is still 337.6MB. Free memory was 281.4MB in the beginning and 308.4MB in the end (delta: -27.0MB). Peak memory consumption was 13.1MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 35.49ms. Allocated memory is still 337.6MB. Free memory was 308.4MB in the beginning and 306.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 18.74ms. Allocated memory is still 337.6MB. Free memory was 306.3MB in the beginning and 305.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 480.13ms. Allocated memory is still 337.6MB. Free memory was 305.3MB in the beginning and 288.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * TraceAbstraction took 2752.78ms. Allocated memory was 337.6MB in the beginning and 411.0MB in the end (delta: 73.4MB). Free memory was 288.5MB in the beginning and 372.4MB in the end (delta: -83.9MB). There was no memory consumed. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1246, positive: 1104, positive conditional: 645, positive unconditional: 459, negative: 142, negative conditional: 126, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1144, positive: 1104, positive conditional: 645, positive unconditional: 459, negative: 40, negative conditional: 24, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1144, positive: 1104, positive conditional: 645, positive unconditional: 459, negative: 40, negative conditional: 24, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1210, positive: 1104, positive conditional: 595, positive unconditional: 509, negative: 106, negative conditional: 66, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1210, positive: 1104, positive conditional: 98, positive unconditional: 1006, negative: 106, negative conditional: 28, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1210, positive: 1104, positive conditional: 98, positive unconditional: 1006, negative: 106, negative conditional: 28, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 495, positive: 468, positive conditional: 3, positive unconditional: 465, negative: 27, negative conditional: 11, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 495, positive: 454, positive conditional: 0, positive unconditional: 454, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 14, positive conditional: 2, positive unconditional: 12, negative: 27, negative conditional: 11, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 162, positive: 36, positive conditional: 6, positive unconditional: 30, negative: 127, negative conditional: 29, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1210, positive: 636, positive conditional: 95, positive unconditional: 541, negative: 79, negative conditional: 17, negative unconditional: 62, unknown: 495, unknown conditional: 14, unknown unconditional: 481] , Statistics on independence cache: Total cache size (in pairs): 495, Positive cache size: 468, Positive conditional cache size: 3, Positive unconditional cache size: 465, Negative cache size: 27, Negative conditional cache size: 11, Negative unconditional cache size: 16, Eliminated conditions: 535, Maximal queried relation: 3, Independence queries for same thread: 102 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 184.66ms, Number of persistent set computation: 197, Number of trivial persistent sets: 139, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 475, positive: 459, positive conditional: 0, positive unconditional: 459, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1246, positive: 1104, positive conditional: 645, positive unconditional: 459, negative: 142, negative conditional: 126, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1144, positive: 1104, positive conditional: 645, positive unconditional: 459, negative: 40, negative conditional: 24, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1144, positive: 1104, positive conditional: 645, positive unconditional: 459, negative: 40, negative conditional: 24, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1210, positive: 1104, positive conditional: 595, positive unconditional: 509, negative: 106, negative conditional: 66, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1210, positive: 1104, positive conditional: 98, positive unconditional: 1006, negative: 106, negative conditional: 28, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1210, positive: 1104, positive conditional: 98, positive unconditional: 1006, negative: 106, negative conditional: 28, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 495, positive: 468, positive conditional: 3, positive unconditional: 465, negative: 27, negative conditional: 11, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 495, positive: 454, positive conditional: 0, positive unconditional: 454, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 14, positive conditional: 2, positive unconditional: 12, negative: 27, negative conditional: 11, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 162, positive: 36, positive conditional: 6, positive unconditional: 30, negative: 127, negative conditional: 29, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1210, positive: 636, positive conditional: 95, positive unconditional: 541, negative: 79, negative conditional: 17, negative unconditional: 62, unknown: 495, unknown conditional: 14, unknown unconditional: 481] , Statistics on independence cache: Total cache size (in pairs): 495, Positive cache size: 468, Positive conditional cache size: 3, Positive unconditional cache size: 465, Negative cache size: 27, Negative conditional cache size: 11, Negative unconditional cache size: 16, Eliminated conditions: 535, Maximal queried relation: 3, Independence queries for same thread: 102 - 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: 115]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 152 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 54, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 674 NumberOfCodeBlocks, 674 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 668 ConstructedInterpolants, 0 QuantifiedInterpolants, 1654 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-11-14 10:36:16,321 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2021-11-14 10:36:16,546 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...