/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-Uncond-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe006_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2ce48c3f3f8970e6bfb7f04ced506932607c57fe-2ce48c3 [2021-10-25 00:17:40,732 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-25 00:17:40,733 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-25 00:17:40,780 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-10-25 00:17:40,803 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-Uncond-NoLbe-Lockstep.epf [2021-10-25 00:17:40,817 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-25 00:17:40,817 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-25 00:17:40,817 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-25 00:17:40,817 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-25 00:17:40,818 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-25 00:17:40,818 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-25 00:17:40,818 INFO L138 SettingsManager]: * Use SBE=true [2021-10-25 00:17:40,819 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-25 00:17:40,819 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-25 00:17:40,819 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-25 00:17:40,819 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-25 00:17:40,819 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-25 00:17:40,819 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-25 00:17:40,819 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-25 00:17:40,819 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-25 00:17:40,819 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-25 00:17:40,820 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-25 00:17:40,820 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-25 00:17:40,820 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-25 00:17:40,820 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-25 00:17:40,820 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-25 00:17:40,820 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-10-25 00:17:40,820 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-25 00:17:40,820 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-25 00:17:40,821 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-25 00:17:40,821 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-25 00:17:40,821 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-25 00:17:40,821 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-25 00:17:40,821 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-10-25 00:17:40,821 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-25 00:17:40,821 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-25 00:17:40,821 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-10-25 00:17:40,822 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-25 00:17:40,822 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-10-25 00:17:40,822 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-10-25 00:17:40,822 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-25 00:17:40,822 INFO L138 SettingsManager]: * Use conditional POR in concurrent analysis=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-10-25 00:17:40,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-25 00:17:41,007 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-25 00:17:41,008 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-25 00:17:41,009 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-25 00:17:41,017 INFO L275 PluginConnector]: CDTParser initialized [2021-10-25 00:17:41,018 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe006_tso.oepc.i [2021-10-25 00:17:41,074 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/952112813/8bbb66f49f6f43e08951ab5f6163894a/FLAG2d74567c3 [2021-10-25 00:17:41,468 INFO L306 CDTParser]: Found 1 translation units. [2021-10-25 00:17:41,468 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe006_tso.oepc.i [2021-10-25 00:17:41,479 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/952112813/8bbb66f49f6f43e08951ab5f6163894a/FLAG2d74567c3 [2021-10-25 00:17:41,864 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/952112813/8bbb66f49f6f43e08951ab5f6163894a [2021-10-25 00:17:41,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-25 00:17:41,867 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-25 00:17:41,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-25 00:17:41,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-25 00:17:41,870 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-25 00:17:41,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 12:17:41" (1/1) ... [2021-10-25 00:17:41,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63d3c078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:17:41, skipping insertion in model container [2021-10-25 00:17:41,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 12:17:41" (1/1) ... [2021-10-25 00:17:41,878 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-25 00:17:41,921 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-25 00:17:42,090 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/safe006_tso.oepc.i[950,963] [2021-10-25 00:17:42,223 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-25 00:17:42,230 INFO L203 MainTranslator]: Completed pre-run [2021-10-25 00:17:42,239 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/safe006_tso.oepc.i[950,963] [2021-10-25 00:17:42,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-25 00:17:42,301 INFO L208 MainTranslator]: Completed translation [2021-10-25 00:17:42,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:17:42 WrapperNode [2021-10-25 00:17:42,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-25 00:17:42,303 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-25 00:17:42,303 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-25 00:17:42,303 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-25 00:17:42,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:17:42" (1/1) ... [2021-10-25 00:17:42,332 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:17:42" (1/1) ... [2021-10-25 00:17:42,349 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-25 00:17:42,350 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-25 00:17:42,350 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-25 00:17:42,350 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-25 00:17:42,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:17:42" (1/1) ... [2021-10-25 00:17:42,356 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:17:42" (1/1) ... [2021-10-25 00:17:42,359 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:17:42" (1/1) ... [2021-10-25 00:17:42,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:17:42" (1/1) ... [2021-10-25 00:17:42,373 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:17:42" (1/1) ... [2021-10-25 00:17:42,374 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:17:42" (1/1) ... [2021-10-25 00:17:42,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:17:42" (1/1) ... [2021-10-25 00:17:42,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-25 00:17:42,380 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-25 00:17:42,380 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-25 00:17:42,380 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-25 00:17:42,384 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:17:42" (1/1) ... [2021-10-25 00:17:42,389 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-25 00:17:42,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 00:17:42,416 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) [2021-10-25 00:17:42,421 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 [2021-10-25 00:17:42,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-25 00:17:42,461 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-25 00:17:42,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-25 00:17:42,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-25 00:17:42,462 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-10-25 00:17:42,463 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-10-25 00:17:42,463 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-10-25 00:17:42,463 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-10-25 00:17:42,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-25 00:17:42,463 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-25 00:17:42,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-25 00:17:42,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-25 00:17:42,464 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-25 00:17:42,699 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-25 00:17:42,700 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-25 00:17:42,701 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 12:17:42 BoogieIcfgContainer [2021-10-25 00:17:42,701 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-25 00:17:42,702 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-25 00:17:42,702 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-25 00:17:42,705 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-25 00:17:42,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 12:17:41" (1/3) ... [2021-10-25 00:17:42,705 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9963449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 12:17:42, skipping insertion in model container [2021-10-25 00:17:42,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 12:17:42" (2/3) ... [2021-10-25 00:17:42,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9963449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 12:17:42, skipping insertion in model container [2021-10-25 00:17:42,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 12:17:42" (3/3) ... [2021-10-25 00:17:42,707 INFO L111 eAbstractionObserver]: Analyzing ICFG safe006_tso.oepc.i [2021-10-25 00:17:42,710 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-25 00:17:42,710 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-25 00:17:42,710 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-25 00:17:42,710 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-25 00:17:42,736 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:17:42,736 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:17:42,736 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:17:42,736 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:17:42,736 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:17:42,737 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:17:42,737 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:17:42,737 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:17:42,737 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:17:42,737 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:17:42,737 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:17:42,737 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:17:42,738 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:17:42,738 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:17:42,738 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:17:42,738 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:17:42,738 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:17:42,738 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:17:42,738 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:17:42,738 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:17:42,738 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:17:42,738 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:17:42,739 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:17:42,739 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:17:42,741 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:17:42,742 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:17:42,742 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:17:42,742 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:17:42,747 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:17:42,747 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:17:42,747 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:17:42,747 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-25 00:17:42,754 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-25 00:17:42,782 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-10-25 00:17:42,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-10-25 00:17:42,785 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) [2021-10-25 00:17:42,786 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 [2021-10-25 00:17:42,803 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-10-25 00:17:42,807 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-25 00:17:42,807 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-25 00:17:42,929 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-25 00:17:42,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 00:17:42,933 INFO L82 PathProgramCache]: Analyzing trace with hash 489901777, now seen corresponding path program 1 times [2021-10-25 00:17:42,941 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 00:17:42,941 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282735993] [2021-10-25 00:17:42,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 00:17:42,941 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 00:17:43,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 00:17:43,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 00:17:43,141 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 00:17:43,141 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282735993] [2021-10-25 00:17:43,142 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282735993] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 00:17:43,142 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 00:17:43,142 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-25 00:17:43,144 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266343839] [2021-10-25 00:17:43,148 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-25 00:17:43,148 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 00:17:43,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-25 00:17:43,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-25 00:17:43,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 00:17:43,162 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 00:17:43,165 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) [2021-10-25 00:17:43,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 00:17:43,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 00:17:43,180 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-25 00:17:43,181 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-25 00:17:43,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 00:17:43,183 INFO L82 PathProgramCache]: Analyzing trace with hash -1500635373, now seen corresponding path program 1 times [2021-10-25 00:17:43,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 00:17:43,183 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995895483] [2021-10-25 00:17:43,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 00:17:43,184 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 00:17:43,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 00:17:43,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 00:17:43,404 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 00:17:43,405 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995895483] [2021-10-25 00:17:43,405 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995895483] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 00:17:43,405 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 00:17:43,405 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-25 00:17:43,405 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348442794] [2021-10-25 00:17:43,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-25 00:17:43,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 00:17:43,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-25 00:17:43,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-25 00:17:43,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 00:17:43,421 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 00:17:43,421 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) [2021-10-25 00:17:43,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 00:17:43,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 00:17:43,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 00:17:43,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-25 00:17:43,753 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-25 00:17:43,753 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-10-25 00:17:43,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-25 00:17:43,753 INFO L82 PathProgramCache]: Analyzing trace with hash -1997901389, now seen corresponding path program 2 times [2021-10-25 00:17:43,754 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-25 00:17:43,754 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542663996] [2021-10-25 00:17:43,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-25 00:17:43,754 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-25 00:17:43,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-25 00:17:43,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-25 00:17:43,842 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-25 00:17:43,842 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542663996] [2021-10-25 00:17:43,842 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542663996] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-25 00:17:43,843 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-25 00:17:43,843 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-25 00:17:43,843 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239770144] [2021-10-25 00:17:43,843 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-25 00:17:43,843 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-25 00:17:43,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-25 00:17:43,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-25 00:17:43,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 00:17:43,844 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-10-25 00:17:43,844 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) [2021-10-25 00:17:43,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 00:17:43,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-10-25 00:17:43,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-10-25 00:17:44,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-25 00:17:44,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-10-25 00:17:44,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-25 00:17:44,009 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-25 00:17:44,009 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-25 00:17:44,009 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-25 00:17:44,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-25 00:17:44,014 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-25 00:17:44,014 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-25 00:17:44,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 12:17:44 BasicIcfg [2021-10-25 00:17:44,016 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-25 00:17:44,017 INFO L168 Benchmark]: Toolchain (without parser) took 2149.49 ms. Allocated memory was 211.8 MB in the beginning and 296.7 MB in the end (delta: 84.9 MB). Free memory was 160.2 MB in the beginning and 210.2 MB in the end (delta: -50.0 MB). Peak memory consumption was 33.8 MB. Max. memory is 8.0 GB. [2021-10-25 00:17:44,017 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 211.8 MB. Free memory is still 178.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-10-25 00:17:44,017 INFO L168 Benchmark]: CACSL2BoogieTranslator took 435.11 ms. Allocated memory is still 211.8 MB. Free memory was 160.1 MB in the beginning and 178.7 MB in the end (delta: -18.6 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-10-25 00:17:44,017 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.28 ms. Allocated memory is still 211.8 MB. Free memory was 178.7 MB in the beginning and 176.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-25 00:17:44,018 INFO L168 Benchmark]: Boogie Preprocessor took 29.08 ms. Allocated memory is still 211.8 MB. Free memory was 176.6 MB in the beginning and 175.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-10-25 00:17:44,018 INFO L168 Benchmark]: RCFGBuilder took 321.70 ms. Allocated memory is still 211.8 MB. Free memory was 175.0 MB in the beginning and 154.1 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-10-25 00:17:44,018 INFO L168 Benchmark]: TraceAbstraction took 1313.28 ms. Allocated memory was 211.8 MB in the beginning and 296.7 MB in the end (delta: 84.9 MB). Free memory was 154.1 MB in the beginning and 210.2 MB in the end (delta: -56.1 MB). Peak memory consumption was 28.3 MB. Max. memory is 8.0 GB. [2021-10-25 00:17:44,020 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 211.8 MB. Free memory is still 178.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 435.11 ms. Allocated memory is still 211.8 MB. Free memory was 160.1 MB in the beginning and 178.7 MB in the end (delta: -18.6 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 46.28 ms. Allocated memory is still 211.8 MB. Free memory was 178.7 MB in the beginning and 176.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 29.08 ms. Allocated memory is still 211.8 MB. Free memory was 176.6 MB in the beginning and 175.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 321.70 ms. Allocated memory is still 211.8 MB. Free memory was 175.0 MB in the beginning and 154.1 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1313.28 ms. Allocated memory was 211.8 MB in the beginning and 296.7 MB in the end (delta: 84.9 MB). Free memory was 154.1 MB in the beginning and 210.2 MB in the end (delta: -56.1 MB). Peak memory consumption was 28.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4189, positive: 4027, positive conditional: 3358, positive unconditional: 669, negative: 162, negative conditional: 149, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4117, positive: 4027, positive conditional: 0, positive unconditional: 4027, negative: 90, negative conditional: 0, negative unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 688, positive: 675, positive conditional: 0, positive unconditional: 675, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 688, positive: 673, positive conditional: 0, positive unconditional: 673, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 15, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 70, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4117, positive: 3352, positive conditional: 0, positive unconditional: 3352, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 688, unknown conditional: 0, unknown unconditional: 688] , Statistics on independence cache: Total cache size (in pairs): 688, Positive cache size: 675, Positive conditional cache size: 0, Positive unconditional cache size: 675, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Independence queries for same thread: 72 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 171, Number of persistent set computation: 595, Number of trivial persistent sets: 549, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4189, positive: 4027, positive conditional: 3358, positive unconditional: 669, negative: 162, negative conditional: 149, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4117, positive: 4027, positive conditional: 0, positive unconditional: 4027, negative: 90, negative conditional: 0, negative unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 688, positive: 675, positive conditional: 0, positive unconditional: 675, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 688, positive: 673, positive conditional: 0, positive unconditional: 673, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 15, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 70, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4117, positive: 3352, positive conditional: 0, positive unconditional: 3352, negative: 77, negative conditional: 0, negative unconditional: 77, unknown: 688, unknown conditional: 0, unknown unconditional: 688] , Statistics on independence cache: Total cache size (in pairs): 688, Positive cache size: 675, Positive conditional cache size: 0, Positive unconditional cache size: 675, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Independence queries for same thread: 72 - 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: 1233.9ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.1ms, PartialOrderReductionTime: 620.4ms, 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: 11.2ms SsaConstructionTime, 94.1ms SatisfiabilityAnalysisTime, 322.4ms InterpolantComputationTime, 160 NumberOfCodeBlocks, 160 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 157 ConstructedInterpolants, 0 QuantifiedInterpolants, 359 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! [2021-10-25 00:17:44,043 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2021-10-25 00:17:44,255 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...