/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe033_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-07 17:17:28,418 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-07 17:17:28,420 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-07 17:17:28,448 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-07 17:17:28,522 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-08-07 17:17:28,562 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-07 17:17:28,562 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-07 17:17:28,562 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-07 17:17:28,563 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-07 17:17:28,566 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-07 17:17:28,566 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-07 17:17:28,566 INFO L138 SettingsManager]: * Use SBE=true [2021-08-07 17:17:28,566 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-07 17:17:28,567 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-07 17:17:28,567 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-07 17:17:28,567 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-07 17:17:28,568 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-07 17:17:28,568 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-07 17:17:28,568 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-07 17:17:28,568 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-07 17:17:28,568 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-07 17:17:28,568 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-07 17:17:28,568 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-07 17:17:28,569 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-07 17:17:28,569 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-07 17:17:28,569 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-07 17:17:28,569 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-07 17:17:28,569 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-07 17:17:28,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 17:17:28,569 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-07 17:17:28,570 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-07 17:17:28,570 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-07 17:17:28,570 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-07 17:17:28,570 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-07 17:17:28,570 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-07 17:17:28,570 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-07 17:17:28,570 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-07 17:17:28,571 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-07 17:17:28,571 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-08-07 17:17:28,571 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-07 17:17:28,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-07 17:17:28,907 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-07 17:17:28,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-07 17:17:28,911 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-07 17:17:28,912 INFO L275 PluginConnector]: CDTParser initialized [2021-08-07 17:17:28,913 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe033_tso.opt.i [2021-08-07 17:17:28,988 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c3884e6e/9bb1345846c045bdbaf86fb3bbad4988/FLAG8df6f5a1f [2021-08-07 17:17:29,513 INFO L306 CDTParser]: Found 1 translation units. [2021-08-07 17:17:29,513 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe033_tso.opt.i [2021-08-07 17:17:29,530 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c3884e6e/9bb1345846c045bdbaf86fb3bbad4988/FLAG8df6f5a1f [2021-08-07 17:17:29,950 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c3884e6e/9bb1345846c045bdbaf86fb3bbad4988 [2021-08-07 17:17:29,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-07 17:17:29,954 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-07 17:17:29,955 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-07 17:17:29,956 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-07 17:17:29,959 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-07 17:17:29,959 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 05:17:29" (1/1) ... [2021-08-07 17:17:29,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f94a85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:17:29, skipping insertion in model container [2021-08-07 17:17:29,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 05:17:29" (1/1) ... [2021-08-07 17:17:29,966 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-07 17:17:30,000 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-07 17:17:30,110 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe033_tso.opt.i[949,962] [2021-08-07 17:17:30,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 17:17:30,295 INFO L203 MainTranslator]: Completed pre-run [2021-08-07 17:17:30,306 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe033_tso.opt.i[949,962] [2021-08-07 17:17:30,331 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 17:17:30,379 INFO L208 MainTranslator]: Completed translation [2021-08-07 17:17:30,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:17:30 WrapperNode [2021-08-07 17:17:30,380 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-07 17:17:30,381 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-07 17:17:30,381 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-07 17:17:30,381 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-07 17:17:30,387 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:17:30" (1/1) ... [2021-08-07 17:17:30,417 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:17:30" (1/1) ... [2021-08-07 17:17:30,449 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-07 17:17:30,451 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-07 17:17:30,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-07 17:17:30,451 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-07 17:17:30,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:17:30" (1/1) ... [2021-08-07 17:17:30,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:17:30" (1/1) ... [2021-08-07 17:17:30,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:17:30" (1/1) ... [2021-08-07 17:17:30,464 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:17:30" (1/1) ... [2021-08-07 17:17:30,485 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:17:30" (1/1) ... [2021-08-07 17:17:30,487 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:17:30" (1/1) ... [2021-08-07 17:17:30,488 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:17:30" (1/1) ... [2021-08-07 17:17:30,491 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-07 17:17:30,491 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-07 17:17:30,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-07 17:17:30,492 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-07 17:17:30,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:17:30" (1/1) ... [2021-08-07 17:17:30,506 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 17:17:30,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:17:30,526 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-07 17:17:30,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-07 17:17:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-07 17:17:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-07 17:17:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-07 17:17:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-07 17:17:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-08-07 17:17:30,569 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-08-07 17:17:30,569 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-08-07 17:17:30,569 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-08-07 17:17:30,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-07 17:17:30,570 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-07 17:17:30,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-07 17:17:30,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-07 17:17:30,571 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-07 17:17:30,954 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-07 17:17:30,955 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-08-07 17:17:30,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 05:17:30 BoogieIcfgContainer [2021-08-07 17:17:30,957 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-07 17:17:30,959 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-07 17:17:30,959 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-07 17:17:30,962 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-07 17:17:30,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.08 05:17:29" (1/3) ... [2021-08-07 17:17:30,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@85cdfbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 05:17:30, skipping insertion in model container [2021-08-07 17:17:30,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 05:17:30" (2/3) ... [2021-08-07 17:17:30,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@85cdfbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 05:17:30, skipping insertion in model container [2021-08-07 17:17:30,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 05:17:30" (3/3) ... [2021-08-07 17:17:30,966 INFO L111 eAbstractionObserver]: Analyzing ICFG safe033_tso.opt.i [2021-08-07 17:17:30,973 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-07 17:17:30,974 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-07 17:17:30,974 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-07 17:17:30,974 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-07 17:17:31,004 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:17:31,004 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:17:31,005 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:17:31,005 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:17:31,005 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:17:31,005 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:17:31,005 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:17:31,005 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:17:31,006 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:17:31,007 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:17:31,007 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:17:31,007 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:17:31,007 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:17:31,007 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:17:31,007 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:17:31,008 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:17:31,009 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:17:31,009 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:17:31,009 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:17:31,009 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:17:31,009 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:17:31,010 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:17:31,010 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:17:31,010 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:17:31,013 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:17:31,013 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:17:31,014 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:17:31,014 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:17:31,020 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:17:31,020 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:17:31,021 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:17:31,021 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 17:17:31,024 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-07 17:17:31,074 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 17:17:31,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 17:17:31,077 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-07 17:17:31,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-08-07 17:17:31,125 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-07 17:17:31,132 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 [2021-08-07 17:17:31,132 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-07 17:17:31,323 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 17:17:31,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:17:31,327 INFO L82 PathProgramCache]: Analyzing trace with hash 1931585538, now seen corresponding path program 1 times [2021-08-07 17:17:31,339 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:17:31,340 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952975863] [2021-08-07 17:17:31,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:17:31,340 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:17:31,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:17:31,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:17:31,580 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:17:31,581 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952975863] [2021-08-07 17:17:31,581 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952975863] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 17:17:31,582 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 17:17:31,582 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-07 17:17:31,583 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725149732] [2021-08-07 17:17:31,590 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-07 17:17:31,590 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:17:31,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-07 17:17:31,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-07 17:17:31,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:17:31,607 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:17:31,608 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 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) [2021-08-07 17:17:31,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:17:31,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:17:31,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-07 17:17:31,625 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 17:17:31,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:17:31,627 INFO L82 PathProgramCache]: Analyzing trace with hash 1944412816, now seen corresponding path program 1 times [2021-08-07 17:17:31,628 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:17:31,628 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038587688] [2021-08-07 17:17:31,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:17:31,629 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:17:31,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:17:31,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:17:31,913 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:17:31,914 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038587688] [2021-08-07 17:17:31,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038587688] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 17:17:31,914 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 17:17:31,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-07 17:17:31,915 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718092818] [2021-08-07 17:17:31,916 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-07 17:17:31,916 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:17:31,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-07 17:17:31,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-07 17:17:31,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:17:31,918 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:17:31,919 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 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) [2021-08-07 17:17:31,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:17:31,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:17:32,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:17:32,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:17:32,073 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-07 17:17:32,074 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 17:17:32,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 17:17:32,079 INFO L82 PathProgramCache]: Analyzing trace with hash 1762618840, now seen corresponding path program 1 times [2021-08-07 17:17:32,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 17:17:32,079 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425344343] [2021-08-07 17:17:32,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 17:17:32,080 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 17:17:32,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 17:17:32,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 17:17:32,307 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 17:17:32,307 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425344343] [2021-08-07 17:17:32,307 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425344343] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 17:17:32,307 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 17:17:32,307 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-07 17:17:32,307 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20692594] [2021-08-07 17:17:32,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-07 17:17:32,308 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 17:17:32,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-07 17:17:32,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-08-07 17:17:32,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:17:32,309 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 17:17:32,310 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 8 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 17:17:32,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:17:32,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:17:32,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:17:32,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 17:17:32,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-07 17:17:32,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-07 17:17:32,518 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-07 17:17:32,519 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-07 17:17:32,519 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-07 17:17:32,519 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-07 17:17:32,531 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-07 17:17:32,531 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-07 17:17:32,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 05:17:32 BasicIcfg [2021-08-07 17:17:32,535 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-07 17:17:32,535 INFO L168 Benchmark]: Toolchain (without parser) took 2581.37 ms. Allocated memory is still 185.6 MB. Free memory was 149.6 MB in the beginning and 120.7 MB in the end (delta: 28.9 MB). Peak memory consumption was 30.3 MB. Max. memory is 8.0 GB. [2021-08-07 17:17:32,538 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 185.6 MB. Free memory is still 167.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 17:17:32,539 INFO L168 Benchmark]: CACSL2BoogieTranslator took 424.61 ms. Allocated memory is still 185.6 MB. Free memory was 149.4 MB in the beginning and 159.2 MB in the end (delta: -9.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-08-07 17:17:32,539 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.40 ms. Allocated memory is still 185.6 MB. Free memory was 159.2 MB in the beginning and 157.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-07 17:17:32,540 INFO L168 Benchmark]: Boogie Preprocessor took 39.99 ms. Allocated memory is still 185.6 MB. Free memory was 157.5 MB in the beginning and 156.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-07 17:17:32,540 INFO L168 Benchmark]: RCFGBuilder took 466.13 ms. Allocated memory is still 185.6 MB. Free memory was 156.1 MB in the beginning and 134.5 MB in the end (delta: 21.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-08-07 17:17:32,540 INFO L168 Benchmark]: TraceAbstraction took 1575.63 ms. Allocated memory is still 185.6 MB. Free memory was 134.0 MB in the beginning and 120.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 15.0 MB. Max. memory is 8.0 GB. [2021-08-07 17:17:32,542 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 185.6 MB. Free memory is still 167.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 424.61 ms. Allocated memory is still 185.6 MB. Free memory was 149.4 MB in the beginning and 159.2 MB in the end (delta: -9.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 68.40 ms. Allocated memory is still 185.6 MB. Free memory was 159.2 MB in the beginning and 157.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 39.99 ms. Allocated memory is still 185.6 MB. Free memory was 157.5 MB in the beginning and 156.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 466.13 ms. Allocated memory is still 185.6 MB. Free memory was 156.1 MB in the beginning and 134.5 MB in the end (delta: 21.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1575.63 ms. Allocated memory is still 185.6 MB. Free memory was 134.0 MB in the beginning and 120.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 15.0 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: 956, positive: 915, positive conditional: 416, positive unconditional: 499, negative: 41, negative conditional: 26, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 946, positive: 915, positive conditional: 416, positive unconditional: 499, negative: 31, negative conditional: 16, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 946, positive: 915, positive conditional: 416, positive unconditional: 499, negative: 31, negative conditional: 16, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 979, positive: 915, positive conditional: 361, positive unconditional: 554, negative: 64, negative conditional: 33, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 979, positive: 915, positive conditional: 59, positive unconditional: 856, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 979, positive: 915, positive conditional: 59, positive unconditional: 856, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 516, positive: 501, positive conditional: 2, positive unconditional: 499, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 516, positive: 497, positive conditional: 0, positive unconditional: 497, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 4, positive conditional: 2, positive unconditional: 2, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 114, positive: 16, positive conditional: 6, positive unconditional: 10, negative: 97, negative conditional: 0, negative unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 979, positive: 414, positive conditional: 57, positive unconditional: 357, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 516, unknown conditional: 2, unknown unconditional: 514] , Statistics on independence cache: Total cache size (in pairs): 516, Positive cache size: 501, Positive conditional cache size: 2, Positive unconditional cache size: 499, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15, Eliminated conditions: 335, Maximal queried relation: 3, Independence queries for same thread: 10 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 173, Number of persistent set computation: 93, Number of trivial persistent sets: 39, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 514, positive: 499, positive conditional: 0, positive unconditional: 499, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 956, positive: 915, positive conditional: 416, positive unconditional: 499, negative: 41, negative conditional: 26, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 946, positive: 915, positive conditional: 416, positive unconditional: 499, negative: 31, negative conditional: 16, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 946, positive: 915, positive conditional: 416, positive unconditional: 499, negative: 31, negative conditional: 16, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 979, positive: 915, positive conditional: 361, positive unconditional: 554, negative: 64, negative conditional: 33, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 979, positive: 915, positive conditional: 59, positive unconditional: 856, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 979, positive: 915, positive conditional: 59, positive unconditional: 856, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 516, positive: 501, positive conditional: 2, positive unconditional: 499, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 516, positive: 497, positive conditional: 0, positive unconditional: 497, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 4, positive conditional: 2, positive unconditional: 2, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 114, positive: 16, positive conditional: 6, positive unconditional: 10, negative: 97, negative conditional: 0, negative unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 979, positive: 414, positive conditional: 57, positive unconditional: 357, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 516, unknown conditional: 2, unknown unconditional: 514] , Statistics on independence cache: Total cache size (in pairs): 516, Positive cache size: 501, Positive conditional cache size: 2, Positive unconditional cache size: 499, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15, Eliminated conditions: 335, Maximal queried relation: 3, Independence queries for same thread: 10 - 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: 18]: 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, 81 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1459.4ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 17.4ms, PartialOrderReductionTime: 547.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 22, 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: 14.3ms SsaConstructionTime, 129.1ms SatisfiabilityAnalysisTime, 521.5ms InterpolantComputationTime, 137 NumberOfCodeBlocks, 137 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 134 ConstructedInterpolants, 0 QuantifiedInterpolants, 308 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-08-07 17:17:32,592 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-08-07 17:17:32,797 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...