/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-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/thin000_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-07 22:21:19,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-07 22:21:19,324 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-07 22:21:19,357 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-07 22:21:19,392 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-08-07 22:21:19,412 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-07 22:21:19,413 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-07 22:21:19,413 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-07 22:21:19,413 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-07 22:21:19,414 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-07 22:21:19,414 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-07 22:21:19,415 INFO L138 SettingsManager]: * Use SBE=true [2021-08-07 22:21:19,415 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-07 22:21:19,415 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-07 22:21:19,415 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-07 22:21:19,415 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-07 22:21:19,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-07 22:21:19,416 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-07 22:21:19,416 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-07 22:21:19,416 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-07 22:21:19,416 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-07 22:21:19,416 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-07 22:21:19,417 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-07 22:21:19,417 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-07 22:21:19,417 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-07 22:21:19,417 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-07 22:21:19,417 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-07 22:21:19,417 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-07 22:21:19,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 22:21:19,418 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-07 22:21:19,418 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-07 22:21:19,418 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-07 22:21:19,418 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-07 22:21:19,419 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-07 22:21:19,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-07 22:21:19,419 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-07 22:21:19,419 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-07 22:21:19,419 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-07 22:21:19,419 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-08-07 22:21:19,420 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-07 22:21:19,699 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-07 22:21:19,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-07 22:21:19,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-07 22:21:19,726 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-07 22:21:19,728 INFO L275 PluginConnector]: CDTParser initialized [2021-08-07 22:21:19,728 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin000_pso.opt.i [2021-08-07 22:21:19,789 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27393527d/030dbd0f1cf84d8db8596bc5b3b53473/FLAG6867d26eb [2021-08-07 22:21:20,312 INFO L306 CDTParser]: Found 1 translation units. [2021-08-07 22:21:20,312 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin000_pso.opt.i [2021-08-07 22:21:20,329 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27393527d/030dbd0f1cf84d8db8596bc5b3b53473/FLAG6867d26eb [2021-08-07 22:21:20,608 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27393527d/030dbd0f1cf84d8db8596bc5b3b53473 [2021-08-07 22:21:20,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-07 22:21:20,612 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-07 22:21:20,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-07 22:21:20,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-07 22:21:20,619 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-07 22:21:20,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 10:21:20" (1/1) ... [2021-08-07 22:21:20,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2886fa93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:21:20, skipping insertion in model container [2021-08-07 22:21:20,621 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 10:21:20" (1/1) ... [2021-08-07 22:21:20,626 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-07 22:21:20,670 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-07 22:21:20,856 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/thin000_pso.opt.i[949,962] [2021-08-07 22:21:20,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 22:21:20,970 INFO L203 MainTranslator]: Completed pre-run [2021-08-07 22:21:20,980 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/thin000_pso.opt.i[949,962] [2021-08-07 22:21:21,003 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 22:21:21,032 INFO L208 MainTranslator]: Completed translation [2021-08-07 22:21:21,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:21:21 WrapperNode [2021-08-07 22:21:21,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-07 22:21:21,034 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-07 22:21:21,034 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-07 22:21:21,034 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-07 22:21:21,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:21:21" (1/1) ... [2021-08-07 22:21:21,052 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:21:21" (1/1) ... [2021-08-07 22:21:21,070 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-07 22:21:21,072 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-07 22:21:21,072 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-07 22:21:21,072 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-07 22:21:21,078 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:21:21" (1/1) ... [2021-08-07 22:21:21,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:21:21" (1/1) ... [2021-08-07 22:21:21,091 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:21:21" (1/1) ... [2021-08-07 22:21:21,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:21:21" (1/1) ... [2021-08-07 22:21:21,095 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:21:21" (1/1) ... [2021-08-07 22:21:21,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:21:21" (1/1) ... [2021-08-07 22:21:21,098 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:21:21" (1/1) ... [2021-08-07 22:21:21,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-07 22:21:21,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-07 22:21:21,112 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-07 22:21:21,112 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-07 22:21:21,112 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:21:21" (1/1) ... [2021-08-07 22:21:21,125 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 22:21:21,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 22:21:21,150 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 22:21:21,172 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 22:21:21,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-07 22:21:21,198 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-07 22:21:21,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-07 22:21:21,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-07 22:21:21,198 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-08-07 22:21:21,199 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-08-07 22:21:21,199 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-08-07 22:21:21,200 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-08-07 22:21:21,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-07 22:21:21,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-07 22:21:21,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-07 22:21:21,201 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-07 22:21:21,202 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 22:21:21,628 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-07 22:21:21,628 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-08-07 22:21:21,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 10:21:21 BoogieIcfgContainer [2021-08-07 22:21:21,632 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-07 22:21:21,634 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-07 22:21:21,635 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-07 22:21:21,637 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-07 22:21:21,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.08 10:21:20" (1/3) ... [2021-08-07 22:21:21,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14a0d60d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 10:21:21, skipping insertion in model container [2021-08-07 22:21:21,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 10:21:21" (2/3) ... [2021-08-07 22:21:21,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14a0d60d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 10:21:21, skipping insertion in model container [2021-08-07 22:21:21,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 10:21:21" (3/3) ... [2021-08-07 22:21:21,640 INFO L111 eAbstractionObserver]: Analyzing ICFG thin000_pso.opt.i [2021-08-07 22:21:21,646 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-07 22:21:21,646 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-07 22:21:21,646 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-07 22:21:21,646 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-07 22:21:21,677 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:21,678 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:21,678 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:21,678 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:21,678 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:21,679 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:21,679 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:21,679 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:21,680 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:21,680 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:21,680 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:21,680 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:21,681 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:21,681 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:21,681 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:21,681 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:21,682 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:21,682 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:21,682 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:21,683 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:21,683 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:21,683 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:21,683 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:21,684 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:21,686 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:21,687 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:21,687 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:21,688 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:21,692 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:21,693 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:21,693 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:21,693 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 22:21:21,698 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-07 22:21:21,748 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 22:21:21,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 22:21:21,750 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 22:21:21,763 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 22:21:21,794 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-07 22:21:21,801 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 22:21:21,802 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-07 22:21:21,973 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 22:21:21,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 22:21:21,982 INFO L82 PathProgramCache]: Analyzing trace with hash 489901777, now seen corresponding path program 1 times [2021-08-07 22:21:21,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 22:21:21,990 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813981740] [2021-08-07 22:21:21,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 22:21:21,990 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 22:21:22,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 22:21:22,239 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 22:21:22,239 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 22:21:22,240 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813981740] [2021-08-07 22:21:22,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813981740] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 22:21:22,240 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 22:21:22,241 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-07 22:21:22,242 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359090719] [2021-08-07 22:21:22,246 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-07 22:21:22,247 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 22:21:22,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-07 22:21:22,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-07 22:21:22,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:21:22,261 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 22:21:22,262 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 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 22:21:22,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:21:22,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:21:22,274 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-07 22:21:22,274 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 22:21:22,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 22:21:22,275 INFO L82 PathProgramCache]: Analyzing trace with hash -1500635373, now seen corresponding path program 1 times [2021-08-07 22:21:22,275 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 22:21:22,275 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079198130] [2021-08-07 22:21:22,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 22:21:22,276 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 22:21:22,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 22:21:22,553 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 22:21:22,554 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 22:21:22,554 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079198130] [2021-08-07 22:21:22,554 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079198130] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 22:21:22,554 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 22:21:22,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-07 22:21:22,555 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449104687] [2021-08-07 22:21:22,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-07 22:21:22,556 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 22:21:22,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-07 22:21:22,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-08-07 22:21:22,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:21:22,557 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 22:21:22,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 8 states have internal predecessors, (53), 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 22:21:22,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:21:22,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:21:22,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:21:22,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 22:21:22,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-07 22:21:22,947 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 22:21:22,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 22:21:22,948 INFO L82 PathProgramCache]: Analyzing trace with hash -1997901389, now seen corresponding path program 2 times [2021-08-07 22:21:22,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 22:21:22,948 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115423785] [2021-08-07 22:21:22,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 22:21:22,948 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 22:21:22,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 22:21:23,162 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 22:21:23,162 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 22:21:23,163 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115423785] [2021-08-07 22:21:23,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115423785] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 22:21:23,164 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 22:21:23,164 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-07 22:21:23,164 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076959460] [2021-08-07 22:21:23,165 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-07 22:21:23,166 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 22:21:23,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-07 22:21:23,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-07 22:21:23,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:21:23,167 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 22:21:23,167 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.571428571428571) internal successors, (53), 7 states have internal predecessors, (53), 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 22:21:23,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:21:23,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-07 22:21:23,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:21:23,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 22:21:23,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 22:21:23,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-07 22:21:23,444 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-07 22:21:23,444 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-07 22:21:23,444 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-07 22:21:23,445 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-07 22:21:23,456 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-07 22:21:23,456 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-07 22:21:23,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 10:21:23 BasicIcfg [2021-08-07 22:21:23,459 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-07 22:21:23,464 INFO L168 Benchmark]: Toolchain (without parser) took 2848.38 ms. Allocated memory is still 220.2 MB. Free memory was 183.4 MB in the beginning and 143.9 MB in the end (delta: 39.5 MB). Peak memory consumption was 40.8 MB. Max. memory is 8.0 GB. [2021-08-07 22:21:23,470 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 220.2 MB. Free memory is still 201.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 22:21:23,470 INFO L168 Benchmark]: CACSL2BoogieTranslator took 420.50 ms. Allocated memory is still 220.2 MB. Free memory was 183.3 MB in the beginning and 192.8 MB in the end (delta: -9.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 8.0 GB. [2021-08-07 22:21:23,471 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.59 ms. Allocated memory is still 220.2 MB. Free memory was 192.8 MB in the beginning and 190.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-07 22:21:23,472 INFO L168 Benchmark]: Boogie Preprocessor took 39.19 ms. Allocated memory is still 220.2 MB. Free memory was 190.8 MB in the beginning and 189.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-07 22:21:23,472 INFO L168 Benchmark]: RCFGBuilder took 520.33 ms. Allocated memory is still 220.2 MB. Free memory was 189.1 MB in the beginning and 167.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-08-07 22:21:23,472 INFO L168 Benchmark]: TraceAbstraction took 1825.14 ms. Allocated memory is still 220.2 MB. Free memory was 167.6 MB in the beginning and 143.9 MB in the end (delta: 23.7 MB). Peak memory consumption was 24.2 MB. Max. memory is 8.0 GB. [2021-08-07 22:21:23,475 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 220.2 MB. Free memory is still 201.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 420.50 ms. Allocated memory is still 220.2 MB. Free memory was 183.3 MB in the beginning and 192.8 MB in the end (delta: -9.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 36.59 ms. Allocated memory is still 220.2 MB. Free memory was 192.8 MB in the beginning and 190.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 39.19 ms. Allocated memory is still 220.2 MB. Free memory was 190.8 MB in the beginning and 189.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 520.33 ms. Allocated memory is still 220.2 MB. Free memory was 189.1 MB in the beginning and 167.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1825.14 ms. Allocated memory is still 220.2 MB. Free memory was 167.6 MB in the beginning and 143.9 MB in the end (delta: 23.7 MB). Peak memory consumption was 24.2 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: 3676, positive: 3488, positive conditional: 2819, positive unconditional: 669, negative: 188, negative conditional: 175, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3549, positive: 3488, positive conditional: 2819, positive unconditional: 669, negative: 61, negative conditional: 48, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3549, positive: 3488, positive conditional: 2819, positive unconditional: 669, negative: 61, negative conditional: 48, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3676, positive: 3488, positive conditional: 2798, positive unconditional: 690, negative: 188, negative conditional: 127, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3676, positive: 3488, positive conditional: 741, positive unconditional: 2747, negative: 188, negative conditional: 10, negative unconditional: 178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3676, positive: 3488, positive conditional: 741, positive unconditional: 2747, negative: 188, negative conditional: 10, negative unconditional: 178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 695, positive: 679, positive conditional: 4, positive unconditional: 675, negative: 16, negative conditional: 3, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 695, positive: 674, positive conditional: 0, positive unconditional: 674, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 16, negative conditional: 3, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 105, positive: 20, positive conditional: 8, positive unconditional: 12, negative: 84, negative conditional: 5, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3676, positive: 2809, positive conditional: 737, positive unconditional: 2072, negative: 172, negative conditional: 7, negative unconditional: 165, unknown: 695, unknown conditional: 7, unknown unconditional: 688] , Statistics on independence cache: Total cache size (in pairs): 695, Positive cache size: 679, Positive conditional cache size: 4, Positive unconditional cache size: 675, Negative cache size: 16, Negative conditional cache size: 3, Negative unconditional cache size: 13, Eliminated conditions: 2174, Maximal queried relation: 3, Independence queries for same thread: 127 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 218, Number of persistent set computation: 595, Number of trivial persistent sets: 549, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 682, positive: 669, positive conditional: 0, positive unconditional: 669, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3676, positive: 3488, positive conditional: 2819, positive unconditional: 669, negative: 188, negative conditional: 175, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3549, positive: 3488, positive conditional: 2819, positive unconditional: 669, negative: 61, negative conditional: 48, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3549, positive: 3488, positive conditional: 2819, positive unconditional: 669, negative: 61, negative conditional: 48, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3676, positive: 3488, positive conditional: 2798, positive unconditional: 690, negative: 188, negative conditional: 127, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3676, positive: 3488, positive conditional: 741, positive unconditional: 2747, negative: 188, negative conditional: 10, negative unconditional: 178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3676, positive: 3488, positive conditional: 741, positive unconditional: 2747, negative: 188, negative conditional: 10, negative unconditional: 178, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 695, positive: 679, positive conditional: 4, positive unconditional: 675, negative: 16, negative conditional: 3, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 695, positive: 674, positive conditional: 0, positive unconditional: 674, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 16, negative conditional: 3, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 105, positive: 20, positive conditional: 8, positive unconditional: 12, negative: 84, negative conditional: 5, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3676, positive: 2809, positive conditional: 737, positive unconditional: 2072, negative: 172, negative conditional: 7, negative unconditional: 165, unknown: 695, unknown conditional: 7, unknown unconditional: 688] , Statistics on independence cache: Total cache size (in pairs): 695, Positive cache size: 679, Positive conditional cache size: 4, Positive unconditional cache size: 675, Negative cache size: 16, Negative conditional cache size: 3, Negative unconditional cache size: 13, Eliminated conditions: 2174, Maximal queried relation: 3, Independence queries for same thread: 127 - 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, 82 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1710.1ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 18.8ms, PartialOrderReductionTime: 825.4ms, 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, 135.7ms SatisfiabilityAnalysisTime, 499.5ms InterpolantComputationTime, 160 NumberOfCodeBlocks, 160 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 157 ConstructedInterpolants, 0 QuantifiedInterpolants, 425 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 22:21:23,513 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 22:21:23,713 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...