/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -i ../sv-benchmarks/c/weaver/parallel-bluetooth.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-08 18:56:19,895 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-08 18:56:19,898 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-08 18:56:19,940 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-08 18:56:19,941 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-08 18:56:19,945 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-08 18:56:19,947 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-08 18:56:19,954 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-08 18:56:19,957 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-08 18:56:19,963 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-08 18:56:19,965 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-08 18:56:19,967 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-08 18:56:19,968 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-08 18:56:19,971 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-08 18:56:19,973 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-08 18:56:19,984 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-08 18:56:19,986 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-08 18:56:19,988 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-08 18:56:19,995 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-08 18:56:19,999 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-08 18:56:20,004 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-08 18:56:20,006 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-08 18:56:20,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-08 18:56:20,016 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-08 18:56:20,031 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-08 18:56:20,032 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-08 18:56:20,032 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-08 18:56:20,033 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-08 18:56:20,037 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-08 18:56:20,038 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-08 18:56:20,039 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-08 18:56:20,040 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-08 18:56:20,040 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-08 18:56:20,041 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-08 18:56:20,044 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-08 18:56:20,045 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-08 18:56:20,046 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-08 18:56:20,046 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-08 18:56:20,046 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-08 18:56:20,047 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-08 18:56:20,048 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-08 18:56:20,056 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-10-08 18:56:20,102 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-08 18:56:20,102 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-08 18:56:20,103 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-08 18:56:20,103 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-08 18:56:20,108 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-08 18:56:20,108 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-08 18:56:20,108 INFO L138 SettingsManager]: * Use SBE=true [2021-10-08 18:56:20,108 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-08 18:56:20,109 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-08 18:56:20,109 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-08 18:56:20,110 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-08 18:56:20,110 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-08 18:56:20,110 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-08 18:56:20,110 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-08 18:56:20,111 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-08 18:56:20,111 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-08 18:56:20,111 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-08 18:56:20,111 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-08 18:56:20,112 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-08 18:56:20,112 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-08 18:56:20,112 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-08 18:56:20,112 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-08 18:56:20,112 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-08 18:56:20,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-08 18:56:20,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-08 18:56:20,113 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-08 18:56:20,113 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-08 18:56:20,113 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-08 18:56:20,114 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-10-08 18:56:20,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-08 18:56:20,114 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-08 18:56:20,114 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-08 18:56:20,114 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-08 18:56:20,115 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-08 18:56:20,115 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-08 18:56:20,115 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-08 18:56:20,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-08 18:56:20,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-08 18:56:20,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-08 18:56:20,517 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-08 18:56:20,518 INFO L275 PluginConnector]: CDTParser initialized [2021-10-08 18:56:20,519 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel-bluetooth.wvr.c [2021-10-08 18:56:20,604 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/56698d869/1facb2868a2343e5b1f43d94df1a7b87/FLAGb1912c923 [2021-10-08 18:56:21,178 INFO L306 CDTParser]: Found 1 translation units. [2021-10-08 18:56:21,179 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/parallel-bluetooth.wvr.c [2021-10-08 18:56:21,187 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/56698d869/1facb2868a2343e5b1f43d94df1a7b87/FLAGb1912c923 [2021-10-08 18:56:21,554 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/56698d869/1facb2868a2343e5b1f43d94df1a7b87 [2021-10-08 18:56:21,558 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-08 18:56:21,572 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-08 18:56:21,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-08 18:56:21,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-08 18:56:21,582 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-08 18:56:21,583 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.10 06:56:21" (1/1) ... [2021-10-08 18:56:21,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39dcc5fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 06:56:21, skipping insertion in model container [2021-10-08 18:56:21,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.10 06:56:21" (1/1) ... [2021-10-08 18:56:21,597 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-08 18:56:21,623 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-08 18:56:21,855 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/parallel-bluetooth.wvr.c[2513,2526] [2021-10-08 18:56:21,859 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-08 18:56:21,871 INFO L203 MainTranslator]: Completed pre-run [2021-10-08 18:56:21,897 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/parallel-bluetooth.wvr.c[2513,2526] [2021-10-08 18:56:21,899 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-08 18:56:21,922 INFO L208 MainTranslator]: Completed translation [2021-10-08 18:56:21,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 06:56:21 WrapperNode [2021-10-08 18:56:21,923 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-08 18:56:21,924 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-08 18:56:21,924 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-08 18:56:21,925 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-08 18:56:21,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 06:56:21" (1/1) ... [2021-10-08 18:56:21,954 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 06:56:21" (1/1) ... [2021-10-08 18:56:22,002 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-08 18:56:22,003 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-08 18:56:22,003 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-08 18:56:22,003 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-08 18:56:22,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 06:56:21" (1/1) ... [2021-10-08 18:56:22,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 06:56:21" (1/1) ... [2021-10-08 18:56:22,020 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 06:56:21" (1/1) ... [2021-10-08 18:56:22,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 06:56:21" (1/1) ... [2021-10-08 18:56:22,042 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 06:56:21" (1/1) ... [2021-10-08 18:56:22,051 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 06:56:21" (1/1) ... [2021-10-08 18:56:22,053 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 06:56:21" (1/1) ... [2021-10-08 18:56:22,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-08 18:56:22,095 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-08 18:56:22,095 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-08 18:56:22,095 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-08 18:56:22,100 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 06:56:21" (1/1) ... [2021-10-08 18:56:22,124 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-08 18:56:22,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 18:56:22,201 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-08 18:56:22,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-08 18:56:22,276 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-08 18:56:22,277 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-08 18:56:22,277 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-08 18:56:22,277 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-08 18:56:22,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-08 18:56:22,277 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-08 18:56:22,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-08 18:56:22,278 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-08 18:56:22,278 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-08 18:56:22,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-08 18:56:22,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-08 18:56:22,279 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-08 18:56:22,279 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-08 18:56:22,281 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-08 18:56:22,742 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-08 18:56:22,743 INFO L299 CfgBuilder]: Removed 20 assume(true) statements. [2021-10-08 18:56:22,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 06:56:22 BoogieIcfgContainer [2021-10-08 18:56:22,746 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-08 18:56:22,748 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-08 18:56:22,748 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-08 18:56:22,752 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-08 18:56:22,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.10 06:56:21" (1/3) ... [2021-10-08 18:56:22,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@395f7344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 06:56:22, skipping insertion in model container [2021-10-08 18:56:22,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 06:56:21" (2/3) ... [2021-10-08 18:56:22,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@395f7344 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 06:56:22, skipping insertion in model container [2021-10-08 18:56:22,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 06:56:22" (3/3) ... [2021-10-08 18:56:22,756 INFO L111 eAbstractionObserver]: Analyzing ICFG parallel-bluetooth.wvr.c [2021-10-08 18:56:22,762 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-08 18:56:22,762 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-08 18:56:22,763 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-08 18:56:22,763 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-08 18:56:22,813 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:56:22,813 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:56:22,817 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:56:22,818 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:56:22,818 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:56:22,819 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:56:22,819 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:56:22,819 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:56:22,819 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:56:22,820 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:56:22,823 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:56:22,823 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:56:22,824 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:56:22,824 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:56:22,825 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:56:22,825 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:56:22,825 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:56:22,825 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:56:22,829 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:56:22,829 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:56:22,830 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:56:22,830 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:56:22,830 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:56:22,830 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:56:22,830 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:56:22,831 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:56:22,834 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:56:22,834 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:56:22,834 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:56:22,834 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:56:22,835 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:56:22,835 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:56:22,835 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:56:22,835 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:56:22,842 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:56:22,843 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:56:22,843 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:56:22,843 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:56:22,843 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:56:22,851 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:56:22,854 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:56:22,854 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:56:22,855 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 18:56:22,869 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-10-08 18:56:22,953 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-08 18:56:22,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 18:56:22,960 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-10-08 18:56:22,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-10-08 18:56:23,009 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-08 18:56:23,018 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, mConcurrency=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 [2021-10-08 18:56:23,019 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-08 18:56:23,313 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 18:56:23,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 18:56:23,321 INFO L82 PathProgramCache]: Analyzing trace with hash -1275611415, now seen corresponding path program 1 times [2021-10-08 18:56:23,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 18:56:23,332 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508736220] [2021-10-08 18:56:23,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 18:56:23,335 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 18:56:23,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 18:56:23,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 18:56:23,666 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 18:56:23,666 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508736220] [2021-10-08 18:56:23,668 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508736220] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 18:56:23,668 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 18:56:23,668 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-08 18:56:23,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509251947] [2021-10-08 18:56:23,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-08 18:56:23,687 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 18:56:23,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-08 18:56:23,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-08 18:56:23,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:56:23,713 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 18:56:23,715 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 53.5) internal successors, (107), 2 states have internal predecessors, (107), 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) [2021-10-08 18:56:23,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:56:23,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:56:23,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-08 18:56:23,774 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 18:56:23,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 18:56:23,777 INFO L82 PathProgramCache]: Analyzing trace with hash -141427523, now seen corresponding path program 1 times [2021-10-08 18:56:23,778 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 18:56:23,779 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852042324] [2021-10-08 18:56:23,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 18:56:23,779 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 18:56:23,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 18:56:23,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 18:56:23,992 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 18:56:23,993 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852042324] [2021-10-08 18:56:23,993 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852042324] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 18:56:23,993 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 18:56:23,993 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-08 18:56:23,994 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691212237] [2021-10-08 18:56:23,996 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-08 18:56:23,996 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 18:56:23,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-08 18:56:23,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-08 18:56:23,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:56:23,998 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 18:56:23,998 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.8) internal successors, (99), 5 states have internal predecessors, (99), 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) [2021-10-08 18:56:23,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:56:23,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:56:24,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:56:24,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-08 18:56:24,173 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-08 18:56:24,173 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 18:56:24,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 18:56:24,184 INFO L82 PathProgramCache]: Analyzing trace with hash 750959845, now seen corresponding path program 1 times [2021-10-08 18:56:24,185 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 18:56:24,186 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248890253] [2021-10-08 18:56:24,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 18:56:24,186 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 18:56:24,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 18:56:24,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 18:56:24,649 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 18:56:24,650 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248890253] [2021-10-08 18:56:24,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1248890253] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 18:56:24,651 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 18:56:24,651 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-10-08 18:56:24,652 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923196744] [2021-10-08 18:56:24,654 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-10-08 18:56:24,655 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 18:56:24,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-10-08 18:56:24,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2021-10-08 18:56:24,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:56:24,657 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 18:56:24,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.909090909090908) internal successors, (98), 11 states have internal predecessors, (98), 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) [2021-10-08 18:56:24,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:56:24,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-08 18:56:24,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:56:24,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:56:24,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-08 18:56:24,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-08 18:56:24,914 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-08 18:56:24,915 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 18:56:24,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 18:56:24,915 INFO L82 PathProgramCache]: Analyzing trace with hash -1058227954, now seen corresponding path program 1 times [2021-10-08 18:56:24,916 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 18:56:24,916 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242038326] [2021-10-08 18:56:24,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 18:56:24,917 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 18:56:25,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 18:56:25,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 18:56:25,274 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 18:56:25,275 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242038326] [2021-10-08 18:56:25,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242038326] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 18:56:25,275 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 18:56:25,275 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-08 18:56:25,280 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046022185] [2021-10-08 18:56:25,282 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-08 18:56:25,282 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 18:56:25,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-08 18:56:25,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-10-08 18:56:25,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:56:25,283 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 18:56:25,284 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 8 states have internal predecessors, (98), 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) [2021-10-08 18:56:25,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:56:25,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-08 18:56:25,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-10-08 18:56:25,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:56:25,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:56:25,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-08 18:56:25,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-08 18:56:25,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 18:56:25,807 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-08 18:56:25,807 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 18:56:25,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 18:56:25,808 INFO L82 PathProgramCache]: Analyzing trace with hash 274174145, now seen corresponding path program 2 times [2021-10-08 18:56:25,808 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 18:56:25,808 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758032200] [2021-10-08 18:56:25,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 18:56:25,809 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 18:56:25,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 18:56:25,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-08 18:56:25,908 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 18:56:25,908 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758032200] [2021-10-08 18:56:25,908 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758032200] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 18:56:25,909 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 18:56:25,909 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-08 18:56:25,909 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283502080] [2021-10-08 18:56:25,910 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-08 18:56:25,910 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 18:56:25,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-08 18:56:25,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-08 18:56:25,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:56:25,911 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 18:56:25,912 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.142857142857142) internal successors, (99), 7 states have internal predecessors, (99), 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) [2021-10-08 18:56:25,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:56:25,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-10-08 18:56:25,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-10-08 18:56:25,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-10-08 18:56:25,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:56:25,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 18:56:25,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-08 18:56:25,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-10-08 18:56:25,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-10-08 18:56:25,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-08 18:56:25,962 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-08 18:56:25,963 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-08 18:56:25,963 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-08 18:56:25,963 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-08 18:56:25,975 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-08 18:56:25,975 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-08 18:56:25,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 06:56:25 BasicIcfg [2021-10-08 18:56:25,978 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-08 18:56:25,979 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-08 18:56:25,979 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-08 18:56:25,979 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-08 18:56:25,980 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 06:56:22" (3/4) ... [2021-10-08 18:56:25,985 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-08 18:56:26,032 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-10-08 18:56:26,032 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-10-08 18:56:26,039 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2021-10-08 18:56:26,039 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-08 18:56:26,040 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-08 18:56:26,040 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-08 18:56:26,091 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/weaver/parallel-bluetooth.wvr.c-witness.graphml [2021-10-08 18:56:26,091 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-08 18:56:26,093 INFO L168 Benchmark]: Toolchain (without parser) took 4532.38 ms. Allocated memory was 163.6 MB in the beginning and 197.1 MB in the end (delta: 33.6 MB). Free memory was 118.2 MB in the beginning and 172.0 MB in the end (delta: -53.9 MB). Peak memory consumption was 67.8 MB. Max. memory is 8.0 GB. [2021-10-08 18:56:26,094 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 163.6 MB. Free memory is still 135.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-08 18:56:26,094 INFO L168 Benchmark]: CACSL2BoogieTranslator took 346.23 ms. Allocated memory is still 163.6 MB. Free memory was 117.7 MB in the beginning and 142.8 MB in the end (delta: -25.1 MB). Peak memory consumption was 12.2 MB. Max. memory is 8.0 GB. [2021-10-08 18:56:26,095 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.16 ms. Allocated memory is still 163.6 MB. Free memory was 142.8 MB in the beginning and 141.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-08 18:56:26,095 INFO L168 Benchmark]: Boogie Preprocessor took 84.67 ms. Allocated memory is still 163.6 MB. Free memory was 141.2 MB in the beginning and 146.3 MB in the end (delta: -5.1 MB). Peak memory consumption was 4.9 MB. Max. memory is 8.0 GB. [2021-10-08 18:56:26,096 INFO L168 Benchmark]: RCFGBuilder took 650.93 ms. Allocated memory is still 163.6 MB. Free memory was 146.3 MB in the beginning and 132.7 MB in the end (delta: 13.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-10-08 18:56:26,097 INFO L168 Benchmark]: TraceAbstraction took 3230.91 ms. Allocated memory was 163.6 MB in the beginning and 197.1 MB in the end (delta: 33.6 MB). Free memory was 132.4 MB in the beginning and 87.8 MB in the end (delta: 44.6 MB). Peak memory consumption was 77.7 MB. Max. memory is 8.0 GB. [2021-10-08 18:56:26,097 INFO L168 Benchmark]: Witness Printer took 112.57 ms. Allocated memory is still 197.1 MB. Free memory was 87.8 MB in the beginning and 172.0 MB in the end (delta: -84.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 8.0 GB. [2021-10-08 18:56:26,100 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 163.6 MB. Free memory is still 135.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 346.23 ms. Allocated memory is still 163.6 MB. Free memory was 117.7 MB in the beginning and 142.8 MB in the end (delta: -25.1 MB). Peak memory consumption was 12.2 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 78.16 ms. Allocated memory is still 163.6 MB. Free memory was 142.8 MB in the beginning and 141.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 84.67 ms. Allocated memory is still 163.6 MB. Free memory was 141.2 MB in the beginning and 146.3 MB in the end (delta: -5.1 MB). Peak memory consumption was 4.9 MB. Max. memory is 8.0 GB. * RCFGBuilder took 650.93 ms. Allocated memory is still 163.6 MB. Free memory was 146.3 MB in the beginning and 132.7 MB in the end (delta: 13.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3230.91 ms. Allocated memory was 163.6 MB in the beginning and 197.1 MB in the end (delta: 33.6 MB). Free memory was 132.4 MB in the beginning and 87.8 MB in the end (delta: 44.6 MB). Peak memory consumption was 77.7 MB. Max. memory is 8.0 GB. * Witness Printer took 112.57 ms. Allocated memory is still 197.1 MB. Free memory was 87.8 MB in the beginning and 172.0 MB in the end (delta: -84.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1509, positive: 1316, positive conditional: 628, positive unconditional: 688, negative: 193, negative conditional: 168, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1399, positive: 1316, positive conditional: 628, positive unconditional: 688, negative: 83, negative conditional: 58, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1399, positive: 1316, positive conditional: 628, positive unconditional: 688, negative: 83, negative conditional: 58, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1508, positive: 1316, positive conditional: 533, positive unconditional: 783, negative: 192, negative conditional: 109, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1508, positive: 1316, positive conditional: 133, positive unconditional: 1183, negative: 192, negative conditional: 49, negative unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1508, positive: 1316, positive conditional: 133, positive unconditional: 1183, negative: 192, negative conditional: 49, negative unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 754, positive: 707, positive conditional: 10, positive unconditional: 697, negative: 47, negative conditional: 18, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 754, positive: 696, positive conditional: 0, positive unconditional: 696, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 11, positive conditional: 9, positive unconditional: 2, negative: 47, negative conditional: 18, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 247, positive: 32, positive conditional: 23, positive unconditional: 9, negative: 215, negative conditional: 53, negative unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1508, positive: 609, positive conditional: 123, positive unconditional: 486, negative: 145, negative conditional: 31, negative unconditional: 114, unknown: 754, unknown conditional: 28, unknown unconditional: 726] , Statistics on independence cache: Total cache size (in pairs): 754, Positive cache size: 707, Positive conditional cache size: 10, Positive unconditional cache size: 697, Negative cache size: 47, Negative conditional cache size: 18, Negative unconditional cache size: 29, Eliminated conditions: 460, Maximal queried relation: 2, Independence queries for same thread: 110 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 277, Number of persistent set computation: 224, Number of trivial persistent sets: 129, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 713, positive: 688, positive conditional: 0, positive unconditional: 688, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1509, positive: 1316, positive conditional: 628, positive unconditional: 688, negative: 193, negative conditional: 168, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1399, positive: 1316, positive conditional: 628, positive unconditional: 688, negative: 83, negative conditional: 58, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1399, positive: 1316, positive conditional: 628, positive unconditional: 688, negative: 83, negative conditional: 58, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1508, positive: 1316, positive conditional: 533, positive unconditional: 783, negative: 192, negative conditional: 109, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1508, positive: 1316, positive conditional: 133, positive unconditional: 1183, negative: 192, negative conditional: 49, negative unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1508, positive: 1316, positive conditional: 133, positive unconditional: 1183, negative: 192, negative conditional: 49, negative unconditional: 143, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 754, positive: 707, positive conditional: 10, positive unconditional: 697, negative: 47, negative conditional: 18, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 754, positive: 696, positive conditional: 0, positive unconditional: 696, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 11, positive conditional: 9, positive unconditional: 2, negative: 47, negative conditional: 18, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 247, positive: 32, positive conditional: 23, positive unconditional: 9, negative: 215, negative conditional: 53, negative unconditional: 162, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1508, positive: 609, positive conditional: 123, positive unconditional: 486, negative: 145, negative conditional: 31, negative unconditional: 114, unknown: 754, unknown conditional: 28, unknown unconditional: 726] , Statistics on independence cache: Total cache size (in pairs): 754, Positive cache size: 707, Positive conditional cache size: 10, Positive unconditional cache size: 697, Negative cache size: 47, Negative conditional cache size: 18, Negative unconditional cache size: 29, Eliminated conditions: 460, Maximal queried relation: 2, Independence queries for same thread: 110 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 93]: 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, 144 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 3025.2ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 24.2ms, PartialOrderReductionTime: 1325.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 40, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 60.8ms SsaConstructionTime, 399.7ms SatisfiabilityAnalysisTime, 877.4ms InterpolantComputationTime, 501 NumberOfCodeBlocks, 501 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 496 ConstructedInterpolants, 0 QuantifiedInterpolants, 1218 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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! [2021-10-08 18:56:26,147 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-10-08 18:56:26,363 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...