/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/test-semi1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-8c2bbc9 [2021-10-08 19:51:45,880 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-08 19:51:45,883 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-08 19:51:45,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-08 19:51:45,922 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-08 19:51:45,927 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-08 19:51:45,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-08 19:51:45,933 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-08 19:51:45,937 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-08 19:51:45,939 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-08 19:51:45,942 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-08 19:51:45,945 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-08 19:51:45,946 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-08 19:51:45,954 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-08 19:51:45,956 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-08 19:51:45,960 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-08 19:51:45,963 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-08 19:51:45,966 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-08 19:51:45,973 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-08 19:51:45,978 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-08 19:51:45,982 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-08 19:51:45,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-08 19:51:45,990 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-08 19:51:45,991 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-08 19:51:46,001 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-10-08 19:51:46,010 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-08 19:51:46,011 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-08 19:51:46,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-08 19:51:46,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-08 19:51:46,017 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-08 19:51:46,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-08 19:51:46,019 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-08 19:51:46,019 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-08 19:51:46,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-08 19:51:46,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-08 19:51:46,022 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-08 19:51:46,029 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 19:51:46,093 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-08 19:51:46,094 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-08 19:51:46,095 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-08 19:51:46,095 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-08 19:51:46,101 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-08 19:51:46,101 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-08 19:51:46,101 INFO L138 SettingsManager]: * Use SBE=true [2021-10-08 19:51:46,102 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-08 19:51:46,102 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-08 19:51:46,102 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-08 19:51:46,103 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-08 19:51:46,104 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-08 19:51:46,104 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-08 19:51:46,104 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-08 19:51:46,104 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-08 19:51:46,105 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-08 19:51:46,105 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-08 19:51:46,105 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-08 19:51:46,105 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-08 19:51:46,106 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-08 19:51:46,106 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-08 19:51:46,106 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-08 19:51:46,106 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-08 19:51:46,107 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-08 19:51:46,107 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-08 19:51:46,107 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-08 19:51:46,107 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-08 19:51:46,107 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-08 19:51:46,108 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-10-08 19:51:46,108 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-08 19:51:46,108 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-08 19:51:46,108 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-08 19:51:46,109 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-08 19:51:46,109 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-08 19:51:46,109 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-08 19:51:46,110 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-08 19:51:46,561 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-08 19:51:46,590 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-08 19:51:46,594 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-08 19:51:46,595 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-08 19:51:46,596 INFO L275 PluginConnector]: CDTParser initialized [2021-10-08 19:51:46,597 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/test-semi1.wvr.c [2021-10-08 19:51:46,693 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ee2a9ad1f/12026ebe4420457097b589406cd9604a/FLAG7f6a81023 [2021-10-08 19:51:47,429 INFO L306 CDTParser]: Found 1 translation units. [2021-10-08 19:51:47,430 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/test-semi1.wvr.c [2021-10-08 19:51:47,442 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ee2a9ad1f/12026ebe4420457097b589406cd9604a/FLAG7f6a81023 [2021-10-08 19:51:47,768 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ee2a9ad1f/12026ebe4420457097b589406cd9604a [2021-10-08 19:51:47,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-08 19:51:47,780 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-08 19:51:47,782 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-08 19:51:47,783 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-08 19:51:47,787 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-08 19:51:47,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.10 07:51:47" (1/1) ... [2021-10-08 19:51:47,790 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70f5bdd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 07:51:47, skipping insertion in model container [2021-10-08 19:51:47,791 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.10 07:51:47" (1/1) ... [2021-10-08 19:51:47,800 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-08 19:51:47,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-08 19:51:48,005 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/test-semi1.wvr.c[1974,1987] [2021-10-08 19:51:48,009 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-08 19:51:48,021 INFO L203 MainTranslator]: Completed pre-run [2021-10-08 19:51:48,044 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/test-semi1.wvr.c[1974,1987] [2021-10-08 19:51:48,045 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-08 19:51:48,064 INFO L208 MainTranslator]: Completed translation [2021-10-08 19:51:48,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 07:51:48 WrapperNode [2021-10-08 19:51:48,065 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-08 19:51:48,066 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-08 19:51:48,066 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-08 19:51:48,067 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-08 19:51:48,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 07:51:48" (1/1) ... [2021-10-08 19:51:48,085 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 07:51:48" (1/1) ... [2021-10-08 19:51:48,110 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-08 19:51:48,111 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-08 19:51:48,112 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-08 19:51:48,112 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-08 19:51:48,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 07:51:48" (1/1) ... [2021-10-08 19:51:48,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 07:51:48" (1/1) ... [2021-10-08 19:51:48,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 07:51:48" (1/1) ... [2021-10-08 19:51:48,126 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 07:51:48" (1/1) ... [2021-10-08 19:51:48,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 07:51:48" (1/1) ... [2021-10-08 19:51:48,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 07:51:48" (1/1) ... [2021-10-08 19:51:48,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 07:51:48" (1/1) ... [2021-10-08 19:51:48,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-08 19:51:48,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-08 19:51:48,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-08 19:51:48,140 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-08 19:51:48,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 07:51:48" (1/1) ... [2021-10-08 19:51:48,151 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-08 19:51:48,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 19:51:48,183 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 19:51:48,208 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 19:51:48,251 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-10-08 19:51:48,252 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-10-08 19:51:48,252 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-10-08 19:51:48,252 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-10-08 19:51:48,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-08 19:51:48,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-08 19:51:48,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-08 19:51:48,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-08 19:51:48,254 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-08 19:51:48,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-08 19:51:48,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-08 19:51:48,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-08 19:51:48,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-08 19:51:48,257 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 19:51:48,762 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-08 19:51:48,763 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-10-08 19:51:48,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 07:51:48 BoogieIcfgContainer [2021-10-08 19:51:48,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-08 19:51:48,772 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-08 19:51:48,772 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-08 19:51:48,785 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-08 19:51:48,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.10 07:51:47" (1/3) ... [2021-10-08 19:51:48,786 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5061a557 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 07:51:48, skipping insertion in model container [2021-10-08 19:51:48,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.10 07:51:48" (2/3) ... [2021-10-08 19:51:48,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5061a557 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.10 07:51:48, skipping insertion in model container [2021-10-08 19:51:48,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 07:51:48" (3/3) ... [2021-10-08 19:51:48,793 INFO L111 eAbstractionObserver]: Analyzing ICFG test-semi1.wvr.c [2021-10-08 19:51:48,801 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-08 19:51:48,801 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-08 19:51:48,802 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-08 19:51:48,802 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-08 19:51:48,852 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:51:48,853 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:51:48,853 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:51:48,853 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:51:48,853 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:51:48,854 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:51:48,854 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:51:48,854 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:51:48,854 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:51:48,856 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:51:48,856 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:51:48,857 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:51:48,860 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:51:48,860 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:51:48,861 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:51:48,861 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:51:48,872 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:51:48,872 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:51:48,873 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:51:48,873 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:51:48,874 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:51:48,890 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:51:48,890 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:51:48,890 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-08 19:51:48,933 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-10-08 19:51:49,049 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-08 19:51:49,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 [2021-10-08 19:51:49,055 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 19:51:49,073 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 19:51:49,108 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-08 19:51:49,120 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 19:51:49,121 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-08 19:51:49,338 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 19:51:49,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 19:51:49,352 INFO L82 PathProgramCache]: Analyzing trace with hash 297066833, now seen corresponding path program 1 times [2021-10-08 19:51:49,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 19:51:49,367 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036529168] [2021-10-08 19:51:49,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 19:51:49,368 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 19:51:49,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 19:51:49,694 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 19:51:49,695 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 19:51:49,695 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036529168] [2021-10-08 19:51:49,696 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036529168] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 19:51:49,697 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 19:51:49,697 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-08 19:51:49,701 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882887787] [2021-10-08 19:51:49,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-08 19:51:49,712 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 19:51:49,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-08 19:51:49,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-08 19:51:49,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:51:49,739 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 19:51:49,741 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 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 19:51:49,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:51:49,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:51:49,778 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-08 19:51:49,779 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-08 19:51:49,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-08 19:51:49,784 INFO L82 PathProgramCache]: Analyzing trace with hash -1696796928, now seen corresponding path program 1 times [2021-10-08 19:51:49,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-08 19:51:49,785 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126037528] [2021-10-08 19:51:49,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-08 19:51:49,788 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-08 19:51:49,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-08 19:51:50,208 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 19:51:50,208 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-08 19:51:50,209 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126037528] [2021-10-08 19:51:50,209 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126037528] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-08 19:51:50,209 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-08 19:51:50,210 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-08 19:51:50,210 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156257364] [2021-10-08 19:51:50,212 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-08 19:51:50,212 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-08 19:51:50,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-08 19:51:50,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-10-08 19:51:50,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:51:50,214 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-08 19:51:50,214 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 states have internal predecessors, (56), 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 19:51:50,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:51:50,214 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:51:50,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-08 19:51:50,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-08 19:51:50,393 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-08 19:51:50,394 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-08 19:51:50,394 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-08 19:51:50,394 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-08 19:51:50,407 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-08 19:51:50,407 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-08 19:51:50,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.10 07:51:50 BasicIcfg [2021-10-08 19:51:50,410 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-08 19:51:50,411 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-08 19:51:50,411 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-08 19:51:50,412 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-08 19:51:50,412 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.10 07:51:48" (3/4) ... [2021-10-08 19:51:50,416 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-08 19:51:50,424 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2021-10-08 19:51:50,424 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2021-10-08 19:51:50,430 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2021-10-08 19:51:50,430 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-08 19:51:50,431 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-08 19:51:50,431 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-08 19:51:50,495 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/weaver/test-semi1.wvr.c-witness.graphml [2021-10-08 19:51:50,495 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-08 19:51:50,498 INFO L168 Benchmark]: Toolchain (without parser) took 2723.82 ms. Allocated memory is still 151.0 MB. Free memory was 127.9 MB in the beginning and 87.9 MB in the end (delta: 40.0 MB). Peak memory consumption was 39.2 MB. Max. memory is 8.0 GB. [2021-10-08 19:51:50,499 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 151.0 MB. Free memory is still 130.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-08 19:51:50,502 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.77 ms. Allocated memory is still 151.0 MB. Free memory was 127.2 MB in the beginning and 117.4 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-10-08 19:51:50,502 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.46 ms. Allocated memory is still 151.0 MB. Free memory was 117.4 MB in the beginning and 115.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-08 19:51:50,503 INFO L168 Benchmark]: Boogie Preprocessor took 27.77 ms. Allocated memory is still 151.0 MB. Free memory was 115.7 MB in the beginning and 114.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-10-08 19:51:50,504 INFO L168 Benchmark]: RCFGBuilder took 630.11 ms. Allocated memory is still 151.0 MB. Free memory was 114.7 MB in the beginning and 101.5 MB in the end (delta: 13.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-10-08 19:51:50,510 INFO L168 Benchmark]: TraceAbstraction took 1638.21 ms. Allocated memory is still 151.0 MB. Free memory was 100.8 MB in the beginning and 91.0 MB in the end (delta: 9.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 8.0 GB. [2021-10-08 19:51:50,511 INFO L168 Benchmark]: Witness Printer took 84.44 ms. Allocated memory is still 151.0 MB. Free memory was 90.5 MB in the beginning and 87.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-10-08 19:51:50,515 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 151.0 MB. Free memory is still 130.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 282.77 ms. Allocated memory is still 151.0 MB. Free memory was 127.2 MB in the beginning and 117.4 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 44.46 ms. Allocated memory is still 151.0 MB. Free memory was 117.4 MB in the beginning and 115.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 27.77 ms. Allocated memory is still 151.0 MB. Free memory was 115.7 MB in the beginning and 114.7 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 630.11 ms. Allocated memory is still 151.0 MB. Free memory was 114.7 MB in the beginning and 101.5 MB in the end (delta: 13.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1638.21 ms. Allocated memory is still 151.0 MB. Free memory was 100.8 MB in the beginning and 91.0 MB in the end (delta: 9.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 8.0 GB. * Witness Printer took 84.44 ms. Allocated memory is still 151.0 MB. Free memory was 90.5 MB in the beginning and 87.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 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: 200, positive: 188, positive conditional: 69, positive unconditional: 119, negative: 12, negative conditional: 9, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 191, positive: 188, positive conditional: 69, positive unconditional: 119, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 191, positive: 188, positive conditional: 69, positive unconditional: 119, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 191, positive: 188, positive conditional: 49, positive unconditional: 139, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 191, positive: 188, positive conditional: 23, positive unconditional: 165, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 191, positive: 188, positive conditional: 23, positive unconditional: 165, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 125, positive: 122, positive conditional: 1, positive unconditional: 121, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 125, positive: 121, positive conditional: 0, positive unconditional: 121, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 83, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 191, positive: 66, positive conditional: 22, positive unconditional: 44, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 125, unknown conditional: 1, unknown unconditional: 124] , Statistics on independence cache: Total cache size (in pairs): 125, Positive cache size: 122, Positive conditional cache size: 1, Positive unconditional cache size: 121, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Eliminated conditions: 26, Maximal queried relation: 0, Independence queries for same thread: 9 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 133, Number of persistent set computation: 74, Number of trivial persistent sets: 64, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 122, positive: 119, positive conditional: 0, positive unconditional: 119, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 200, positive: 188, positive conditional: 69, positive unconditional: 119, negative: 12, negative conditional: 9, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 191, positive: 188, positive conditional: 69, positive unconditional: 119, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 191, positive: 188, positive conditional: 69, positive unconditional: 119, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 191, positive: 188, positive conditional: 49, positive unconditional: 139, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 191, positive: 188, positive conditional: 23, positive unconditional: 165, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 191, positive: 188, positive conditional: 23, positive unconditional: 165, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 125, positive: 122, positive conditional: 1, positive unconditional: 121, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 125, positive: 121, positive conditional: 0, positive unconditional: 121, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 83, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 191, positive: 66, positive conditional: 22, positive unconditional: 44, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 125, unknown conditional: 1, unknown unconditional: 124] , Statistics on independence cache: Total cache size (in pairs): 125, Positive cache size: 122, Positive conditional cache size: 1, Positive unconditional cache size: 121, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3, Eliminated conditions: 26, Maximal queried relation: 0, Independence queries for same thread: 9 - 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: 72]: 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, 80 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1363.4ms, OverallIterations: 2, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 27.6ms, PartialOrderReductionTime: 399.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 12, 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: 29.1ms SsaConstructionTime, 208.2ms SatisfiabilityAnalysisTime, 385.9ms InterpolantComputationTime, 115 NumberOfCodeBlocks, 115 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 113 ConstructedInterpolants, 0 QuantifiedInterpolants, 335 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 19:51:50,572 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 19:51:50,772 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...