/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-NewStatesSleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe036_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-22 00:45:18,358 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-22 00:45:18,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-22 00:45:18,394 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-22 00:45:18,448 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-NewStatesSleep-NoLbe-Lockstep.epf [2021-08-22 00:45:18,478 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-22 00:45:18,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-22 00:45:18,478 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-22 00:45:18,478 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-22 00:45:18,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-22 00:45:18,482 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-22 00:45:18,482 INFO L138 SettingsManager]: * Use SBE=true [2021-08-22 00:45:18,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-22 00:45:18,482 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-22 00:45:18,482 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-22 00:45:18,483 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-22 00:45:18,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-22 00:45:18,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-22 00:45:18,483 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-22 00:45:18,484 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-22 00:45:18,484 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-22 00:45:18,484 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-22 00:45:18,484 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-22 00:45:18,484 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-22 00:45:18,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-22 00:45:18,484 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-22 00:45:18,484 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-22 00:45:18,484 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-22 00:45:18,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 00:45:18,485 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-22 00:45:18,485 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-22 00:45:18,485 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-22 00:45:18,485 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-22 00:45:18,485 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-22 00:45:18,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-22 00:45:18,485 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-22 00:45:18,485 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-22 00:45:18,486 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-22 00:45:18,486 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-08-22 00:45:18,486 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-22 00:45:18,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-22 00:45:18,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-22 00:45:18,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-22 00:45:18,802 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-22 00:45:18,802 INFO L275 PluginConnector]: CDTParser initialized [2021-08-22 00:45:18,803 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe036_power.oepc.i [2021-08-22 00:45:18,856 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acdc24106/12b350079c1d45f5999039c8b3b0a977/FLAGa6d219ed6 [2021-08-22 00:45:19,287 INFO L306 CDTParser]: Found 1 translation units. [2021-08-22 00:45:19,287 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe036_power.oepc.i [2021-08-22 00:45:19,309 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acdc24106/12b350079c1d45f5999039c8b3b0a977/FLAGa6d219ed6 [2021-08-22 00:45:19,324 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/acdc24106/12b350079c1d45f5999039c8b3b0a977 [2021-08-22 00:45:19,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-22 00:45:19,332 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-22 00:45:19,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-22 00:45:19,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-22 00:45:19,335 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-22 00:45:19,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 12:45:19" (1/1) ... [2021-08-22 00:45:19,337 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f9e8c38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:45:19, skipping insertion in model container [2021-08-22 00:45:19,337 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 12:45:19" (1/1) ... [2021-08-22 00:45:19,342 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-22 00:45:19,383 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-22 00:45:19,486 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe036_power.oepc.i[952,965] [2021-08-22 00:45:19,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-22 00:45:19,620 INFO L203 MainTranslator]: Completed pre-run [2021-08-22 00:45:19,627 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe036_power.oepc.i[952,965] [2021-08-22 00:45:19,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-22 00:45:19,696 INFO L208 MainTranslator]: Completed translation [2021-08-22 00:45:19,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:45:19 WrapperNode [2021-08-22 00:45:19,697 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-22 00:45:19,697 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-22 00:45:19,697 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-22 00:45:19,697 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-22 00:45:19,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:45:19" (1/1) ... [2021-08-22 00:45:19,734 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:45:19" (1/1) ... [2021-08-22 00:45:19,747 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-22 00:45:19,748 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-22 00:45:19,748 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-22 00:45:19,748 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-22 00:45:19,753 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:45:19" (1/1) ... [2021-08-22 00:45:19,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:45:19" (1/1) ... [2021-08-22 00:45:19,755 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:45:19" (1/1) ... [2021-08-22 00:45:19,755 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:45:19" (1/1) ... [2021-08-22 00:45:19,771 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:45:19" (1/1) ... [2021-08-22 00:45:19,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:45:19" (1/1) ... [2021-08-22 00:45:19,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:45:19" (1/1) ... [2021-08-22 00:45:19,775 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-22 00:45:19,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-22 00:45:19,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-22 00:45:19,775 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-22 00:45:19,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:45:19" (1/1) ... [2021-08-22 00:45:19,796 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 00:45:19,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 00:45:19,816 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) [2021-08-22 00:45:19,870 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 [2021-08-22 00:45:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-22 00:45:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-22 00:45:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-22 00:45:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-22 00:45:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-08-22 00:45:19,890 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-08-22 00:45:19,890 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-08-22 00:45:19,892 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-08-22 00:45:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-22 00:45:19,892 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-22 00:45:19,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-22 00:45:19,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-22 00:45:19,894 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-22 00:45:20,120 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-22 00:45:20,121 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-08-22 00:45:20,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 12:45:20 BoogieIcfgContainer [2021-08-22 00:45:20,122 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-22 00:45:20,123 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-22 00:45:20,123 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-22 00:45:20,125 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-22 00:45:20,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 12:45:19" (1/3) ... [2021-08-22 00:45:20,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9cb4a5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 12:45:20, skipping insertion in model container [2021-08-22 00:45:20,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:45:19" (2/3) ... [2021-08-22 00:45:20,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9cb4a5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 12:45:20, skipping insertion in model container [2021-08-22 00:45:20,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 12:45:20" (3/3) ... [2021-08-22 00:45:20,127 INFO L111 eAbstractionObserver]: Analyzing ICFG safe036_power.oepc.i [2021-08-22 00:45:20,130 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-22 00:45:20,130 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-22 00:45:20,131 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-22 00:45:20,131 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-22 00:45:20,151 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 00:45:20,151 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 00:45:20,151 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 00:45:20,151 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 00:45:20,152 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 00:45:20,152 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 00:45:20,152 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 00:45:20,152 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 00:45:20,152 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 00:45:20,153 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 00:45:20,153 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 00:45:20,153 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 00:45:20,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 00:45:20,153 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 00:45:20,153 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 00:45:20,154 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 00:45:20,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 00:45:20,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 00:45:20,154 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 00:45:20,154 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 00:45:20,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 00:45:20,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 00:45:20,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 00:45:20,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 00:45:20,157 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 00:45:20,157 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 00:45:20,157 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 00:45:20,158 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 00:45:20,161 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 00:45:20,161 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 00:45:20,161 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 00:45:20,161 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 00:45:20,163 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-22 00:45:20,193 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-22 00:45:20,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 00:45:20,244 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) [2021-08-22 00:45:20,295 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 [2021-08-22 00:45:20,332 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-22 00:45:20,337 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 [2021-08-22 00:45:20,338 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-22 00:45:20,439 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-22 00:45:20,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 00:45:20,443 INFO L82 PathProgramCache]: Analyzing trace with hash -515541370, now seen corresponding path program 1 times [2021-08-22 00:45:20,453 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 00:45:20,453 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108323238] [2021-08-22 00:45:20,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 00:45:20,454 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 00:45:20,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 00:45:20,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 00:45:20,732 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 00:45:20,732 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1108323238] [2021-08-22 00:45:20,732 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1108323238] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 00:45:20,732 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 00:45:20,733 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-22 00:45:20,733 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808089197] [2021-08-22 00:45:20,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-22 00:45:20,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 00:45:20,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-22 00:45:20,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-22 00:45:20,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 00:45:20,768 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 00:45:20,769 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) [2021-08-22 00:45:20,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 00:45:20,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 00:45:20,786 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-22 00:45:20,786 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-22 00:45:20,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 00:45:20,787 INFO L82 PathProgramCache]: Analyzing trace with hash -377036205, now seen corresponding path program 1 times [2021-08-22 00:45:20,787 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 00:45:20,787 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428514456] [2021-08-22 00:45:20,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 00:45:20,787 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 00:45:20,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 00:45:21,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 00:45:21,057 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 00:45:21,057 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428514456] [2021-08-22 00:45:21,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428514456] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 00:45:21,058 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 00:45:21,058 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-22 00:45:21,058 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119900029] [2021-08-22 00:45:21,066 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-22 00:45:21,067 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 00:45:21,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-22 00:45:21,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-22 00:45:21,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 00:45:21,070 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 00:45:21,070 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) [2021-08-22 00:45:21,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 00:45:21,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 00:45:21,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 00:45:21,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-22 00:45:21,271 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-22 00:45:21,271 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-22 00:45:21,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 00:45:21,272 INFO L82 PathProgramCache]: Analyzing trace with hash 727593493, now seen corresponding path program 2 times [2021-08-22 00:45:21,272 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 00:45:21,272 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736515695] [2021-08-22 00:45:21,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 00:45:21,273 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 00:45:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 00:45:21,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 00:45:21,371 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 00:45:21,371 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736515695] [2021-08-22 00:45:21,371 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736515695] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 00:45:21,371 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 00:45:21,371 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-22 00:45:21,371 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506112853] [2021-08-22 00:45:21,371 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-22 00:45:21,372 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 00:45:21,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-22 00:45:21,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-08-22 00:45:21,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 00:45:21,373 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 00:45:21,373 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) [2021-08-22 00:45:21,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 00:45:21,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-22 00:45:21,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 00:45:21,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 00:45:21,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-22 00:45:21,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 00:45:21,611 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-22 00:45:21,611 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-22 00:45:21,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 00:45:21,612 INFO L82 PathProgramCache]: Analyzing trace with hash -1216186887, now seen corresponding path program 3 times [2021-08-22 00:45:21,612 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 00:45:21,612 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572346690] [2021-08-22 00:45:21,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 00:45:21,613 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 00:45:21,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 00:45:21,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 00:45:21,761 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 00:45:21,761 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572346690] [2021-08-22 00:45:21,761 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572346690] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 00:45:21,761 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 00:45:21,762 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-22 00:45:21,765 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511924547] [2021-08-22 00:45:21,765 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-22 00:45:21,766 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 00:45:21,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-22 00:45:21,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-22 00:45:21,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 00:45:21,766 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 00:45:21,767 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) [2021-08-22 00:45:21,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 00:45:21,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-08-22 00:45:21,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-08-22 00:45:21,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 00:45:21,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 00:45:21,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-22 00:45:21,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-22 00:45:21,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-22 00:45:21,862 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-22 00:45:21,863 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-22 00:45:21,863 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-22 00:45:21,863 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-22 00:45:21,871 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-22 00:45:21,871 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-22 00:45:21,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 12:45:21 BasicIcfg [2021-08-22 00:45:21,873 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-22 00:45:21,874 INFO L168 Benchmark]: Toolchain (without parser) took 2541.94 ms. Allocated memory is still 191.9 MB. Free memory was 155.4 MB in the beginning and 78.8 MB in the end (delta: 76.6 MB). Peak memory consumption was 76.9 MB. Max. memory is 8.0 GB. [2021-08-22 00:45:21,875 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 191.9 MB. Free memory was 173.6 MB in the beginning and 173.5 MB in the end (delta: 87.0 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-08-22 00:45:21,877 INFO L168 Benchmark]: CACSL2BoogieTranslator took 363.94 ms. Allocated memory is still 191.9 MB. Free memory was 155.1 MB in the beginning and 165.5 MB in the end (delta: -10.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-08-22 00:45:21,878 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.17 ms. Allocated memory is still 191.9 MB. Free memory was 165.5 MB in the beginning and 163.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-22 00:45:21,879 INFO L168 Benchmark]: Boogie Preprocessor took 26.85 ms. Allocated memory is still 191.9 MB. Free memory was 163.9 MB in the beginning and 162.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-22 00:45:21,879 INFO L168 Benchmark]: RCFGBuilder took 346.87 ms. Allocated memory is still 191.9 MB. Free memory was 162.4 MB in the beginning and 140.4 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-08-22 00:45:21,879 INFO L168 Benchmark]: TraceAbstraction took 1750.15 ms. Allocated memory is still 191.9 MB. Free memory was 139.8 MB in the beginning and 78.8 MB in the end (delta: 61.0 MB). Peak memory consumption was 61.6 MB. Max. memory is 8.0 GB. [2021-08-22 00:45:21,883 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 191.9 MB. Free memory was 173.6 MB in the beginning and 173.5 MB in the end (delta: 87.0 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 363.94 ms. Allocated memory is still 191.9 MB. Free memory was 155.1 MB in the beginning and 165.5 MB in the end (delta: -10.4 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 50.17 ms. Allocated memory is still 191.9 MB. Free memory was 165.5 MB in the beginning and 163.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 26.85 ms. Allocated memory is still 191.9 MB. Free memory was 163.9 MB in the beginning and 162.4 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 346.87 ms. Allocated memory is still 191.9 MB. Free memory was 162.4 MB in the beginning and 140.4 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1750.15 ms. Allocated memory is still 191.9 MB. Free memory was 139.8 MB in the beginning and 78.8 MB in the end (delta: 61.0 MB). Peak memory consumption was 61.6 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: 2563, positive: 2463, positive conditional: 2463, positive unconditional: 0, negative: 100, negative conditional: 100, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2490, positive: 2463, positive conditional: 2463, positive unconditional: 0, negative: 27, negative conditional: 27, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2490, positive: 2463, positive conditional: 2463, positive unconditional: 0, negative: 27, negative conditional: 27, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2547, positive: 2463, positive conditional: 2418, positive unconditional: 45, negative: 84, negative conditional: 57, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2547, positive: 2463, positive conditional: 957, positive unconditional: 1506, negative: 84, negative conditional: 10, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2547, positive: 2463, positive conditional: 957, positive unconditional: 1506, negative: 84, negative conditional: 10, negative unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 315, positive: 308, positive conditional: 131, positive unconditional: 177, negative: 7, negative conditional: 2, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 315, positive: 303, positive conditional: 0, positive unconditional: 303, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 12, positive: 5, positive conditional: 4, positive unconditional: 1, negative: 7, negative conditional: 2, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 83, positive: 16, positive conditional: 15, positive unconditional: 1, negative: 67, negative conditional: 24, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2547, positive: 2155, positive conditional: 826, positive unconditional: 1329, negative: 77, negative conditional: 8, negative unconditional: 69, unknown: 315, unknown conditional: 133, unknown unconditional: 182] , Statistics on independence cache: Total cache size (in pairs): 315, Positive cache size: 308, Positive conditional cache size: 131, Positive unconditional cache size: 177, Negative cache size: 7, Negative conditional cache size: 2, Negative unconditional cache size: 5, Eliminated conditions: 1508, Maximal queried relation: 3, Independence queries for same thread: 73 - 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 with 1 thread instances CFG has 5 procedures, 82 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1679.0ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 18.8ms, PartialOrderReductionTime: 628.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 26, 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: 23.7ms SsaConstructionTime, 140.8ms SatisfiabilityAnalysisTime, 531.0ms InterpolantComputationTime, 213 NumberOfCodeBlocks, 213 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 209 ConstructedInterpolants, 0 QuantifiedInterpolants, 496 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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! [2021-08-22 00:45:21,915 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 [2021-08-22 00:45:22,136 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...