/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe029_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-22 19:20:20,837 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-22 19:20:20,839 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-22 19:20:20,882 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-22 19:20:20,935 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-22 19:20:20,936 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-22 19:20:20,936 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-22 19:20:20,938 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-08-22 19:20:20,974 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-22 19:20:20,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-22 19:20:20,975 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-22 19:20:20,975 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-22 19:20:20,978 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-22 19:20:20,978 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-22 19:20:20,978 INFO L138 SettingsManager]: * Use SBE=true [2021-08-22 19:20:20,979 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-22 19:20:20,979 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-22 19:20:20,979 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-22 19:20:20,980 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-22 19:20:20,980 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-22 19:20:20,980 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-22 19:20:20,980 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-22 19:20:20,980 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-22 19:20:20,980 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-22 19:20:20,981 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-22 19:20:20,981 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-22 19:20:20,981 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-22 19:20:20,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-22 19:20:20,981 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-22 19:20:20,981 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-22 19:20:20,981 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-22 19:20:20,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 19:20:20,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-22 19:20:20,982 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-22 19:20:20,982 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-22 19:20:20,982 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-22 19:20:20,982 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-22 19:20:20,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-22 19:20:20,982 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-22 19:20:20,983 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-22 19:20:20,983 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-22 19:20:20,983 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-08-22 19:20:20,983 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-08-22 19:20:20,983 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-22 19:20:21,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-22 19:20:21,365 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-22 19:20:21,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-22 19:20:21,369 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-22 19:20:21,369 INFO L275 PluginConnector]: CDTParser initialized [2021-08-22 19:20:21,370 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe029_tso.opt.i [2021-08-22 19:20:21,447 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec3d64021/266177663efa475ab7754ca13c41381c/FLAG769b475ea [2021-08-22 19:20:22,034 INFO L306 CDTParser]: Found 1 translation units. [2021-08-22 19:20:22,035 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe029_tso.opt.i [2021-08-22 19:20:22,054 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec3d64021/266177663efa475ab7754ca13c41381c/FLAG769b475ea [2021-08-22 19:20:22,456 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec3d64021/266177663efa475ab7754ca13c41381c [2021-08-22 19:20:22,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-22 19:20:22,462 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-22 19:20:22,466 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-22 19:20:22,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-22 19:20:22,480 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-22 19:20:22,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:20:22" (1/1) ... [2021-08-22 19:20:22,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ca53faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:20:22, skipping insertion in model container [2021-08-22 19:20:22,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:20:22" (1/1) ... [2021-08-22 19:20:22,493 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-22 19:20:22,563 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-22 19:20:22,841 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/safe029_tso.opt.i[949,962] [2021-08-22 19:20:23,154 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-22 19:20:23,163 INFO L203 MainTranslator]: Completed pre-run [2021-08-22 19:20:23,239 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/safe029_tso.opt.i[949,962] [2021-08-22 19:20:23,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-22 19:20:23,311 INFO L208 MainTranslator]: Completed translation [2021-08-22 19:20:23,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:20:23 WrapperNode [2021-08-22 19:20:23,312 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-22 19:20:23,313 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-22 19:20:23,313 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-22 19:20:23,313 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-22 19:20:23,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:20:23" (1/1) ... [2021-08-22 19:20:23,348 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:20:23" (1/1) ... [2021-08-22 19:20:23,373 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-22 19:20:23,374 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-22 19:20:23,374 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-22 19:20:23,374 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-22 19:20:23,380 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:20:23" (1/1) ... [2021-08-22 19:20:23,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:20:23" (1/1) ... [2021-08-22 19:20:23,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:20:23" (1/1) ... [2021-08-22 19:20:23,385 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:20:23" (1/1) ... [2021-08-22 19:20:23,402 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:20:23" (1/1) ... [2021-08-22 19:20:23,403 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:20:23" (1/1) ... [2021-08-22 19:20:23,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:20:23" (1/1) ... [2021-08-22 19:20:23,407 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-22 19:20:23,408 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-22 19:20:23,408 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-22 19:20:23,408 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-22 19:20:23,408 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:20:23" (1/1) ... [2021-08-22 19:20:23,418 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 19:20:23,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 19:20:23,442 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 19:20:23,461 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 19:20:23,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-22 19:20:23,488 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-22 19:20:23,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-22 19:20:23,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-22 19:20:23,489 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-08-22 19:20:23,489 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-08-22 19:20:23,489 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-08-22 19:20:23,489 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-08-22 19:20:23,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-22 19:20:23,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-22 19:20:23,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-22 19:20:23,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-22 19:20:23,491 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 19:20:23,924 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-22 19:20:23,924 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-08-22 19:20:23,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:20:23 BoogieIcfgContainer [2021-08-22 19:20:23,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-22 19:20:23,929 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-22 19:20:23,929 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-22 19:20:23,931 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-22 19:20:23,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 07:20:22" (1/3) ... [2021-08-22 19:20:23,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50b19a1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 07:20:23, skipping insertion in model container [2021-08-22 19:20:23,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:20:23" (2/3) ... [2021-08-22 19:20:23,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50b19a1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 07:20:23, skipping insertion in model container [2021-08-22 19:20:23,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:20:23" (3/3) ... [2021-08-22 19:20:23,934 INFO L111 eAbstractionObserver]: Analyzing ICFG safe029_tso.opt.i [2021-08-22 19:20:23,939 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-22 19:20:23,940 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-22 19:20:23,940 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-22 19:20:23,940 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-22 19:20:23,971 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:23,971 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:23,971 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:23,972 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:23,972 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:23,972 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:23,972 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:23,973 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:23,974 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:23,974 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:23,974 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:23,974 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:23,974 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:23,975 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:23,976 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:23,976 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:23,976 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:23,976 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:23,976 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:23,977 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:23,977 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:23,977 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:23,977 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:23,978 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:23,980 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:23,981 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:23,982 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:23,982 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:23,987 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:23,987 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:23,987 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:23,987 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 19:20:23,989 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-22 19:20:24,025 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-22 19:20:24,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 19:20:24,030 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 19:20:24,031 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 19:20:24,057 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-22 19:20:24,062 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 19:20:24,063 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-22 19:20:24,205 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-22 19:20:24,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 19:20:24,210 INFO L82 PathProgramCache]: Analyzing trace with hash 2055339598, now seen corresponding path program 1 times [2021-08-22 19:20:24,218 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 19:20:24,218 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113408211] [2021-08-22 19:20:24,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 19:20:24,219 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 19:20:24,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 19:20:24,410 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 19:20:24,410 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 19:20:24,411 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113408211] [2021-08-22 19:20:24,411 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113408211] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 19:20:24,412 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 19:20:24,412 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-22 19:20:24,413 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624795568] [2021-08-22 19:20:24,419 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-22 19:20:24,420 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 19:20:24,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-22 19:20:24,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-22 19:20:24,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 19:20:24,437 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 19:20:24,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 19:20:24,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 19:20:24,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 19:20:24,464 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-22 19:20:24,464 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-22 19:20:24,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 19:20:24,469 INFO L82 PathProgramCache]: Analyzing trace with hash 1511292313, now seen corresponding path program 1 times [2021-08-22 19:20:24,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 19:20:24,469 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317252730] [2021-08-22 19:20:24,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 19:20:24,470 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 19:20:24,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 19:20:24,769 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 19:20:24,769 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 19:20:24,770 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317252730] [2021-08-22 19:20:24,770 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317252730] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 19:20:24,770 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 19:20:24,770 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-22 19:20:24,771 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135299866] [2021-08-22 19:20:24,773 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-22 19:20:24,773 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 19:20:24,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-22 19:20:24,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-22 19:20:24,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 19:20:24,776 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 19:20:24,777 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 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 19:20:24,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 19:20:24,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 19:20:24,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 19:20:24,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 19:20:24,931 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-22 19:20:24,932 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-22 19:20:24,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 19:20:24,936 INFO L82 PathProgramCache]: Analyzing trace with hash -842404831, now seen corresponding path program 1 times [2021-08-22 19:20:24,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 19:20:24,940 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139488230] [2021-08-22 19:20:24,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 19:20:24,941 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 19:20:24,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 19:20:25,112 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 19:20:25,112 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 19:20:25,112 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2139488230] [2021-08-22 19:20:25,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2139488230] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 19:20:25,113 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 19:20:25,113 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-22 19:20:25,113 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738857910] [2021-08-22 19:20:25,114 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-22 19:20:25,114 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 19:20:25,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-22 19:20:25,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-22 19:20:25,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 19:20:25,115 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 19:20:25,115 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 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 19:20:25,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 19:20:25,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 19:20:25,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 19:20:25,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 19:20:25,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 19:20:25,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 19:20:25,209 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-22 19:20:25,209 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-22 19:20:25,209 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-22 19:20:25,210 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-22 19:20:25,217 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-22 19:20:25,217 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-22 19:20:25,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 07:20:25 BasicIcfg [2021-08-22 19:20:25,219 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-22 19:20:25,220 INFO L168 Benchmark]: Toolchain (without parser) took 2757.25 ms. Allocated memory is still 207.6 MB. Free memory was 170.9 MB in the beginning and 151.7 MB in the end (delta: 19.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 8.0 GB. [2021-08-22 19:20:25,220 INFO L168 Benchmark]: CDTParser took 0.83 ms. Allocated memory is still 207.6 MB. Free memory is still 189.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-22 19:20:25,221 INFO L168 Benchmark]: CACSL2BoogieTranslator took 846.01 ms. Allocated memory is still 207.6 MB. Free memory was 170.7 MB in the beginning and 182.6 MB in the end (delta: -11.9 MB). Peak memory consumption was 17.1 MB. Max. memory is 8.0 GB. [2021-08-22 19:20:25,221 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.97 ms. Allocated memory is still 207.6 MB. Free memory was 182.6 MB in the beginning and 180.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-22 19:20:25,222 INFO L168 Benchmark]: Boogie Preprocessor took 32.96 ms. Allocated memory is still 207.6 MB. Free memory was 180.5 MB in the beginning and 179.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-22 19:20:25,222 INFO L168 Benchmark]: RCFGBuilder took 518.81 ms. Allocated memory is still 207.6 MB. Free memory was 179.5 MB in the beginning and 158.5 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-08-22 19:20:25,223 INFO L168 Benchmark]: TraceAbstraction took 1290.05 ms. Allocated memory is still 207.6 MB. Free memory was 158.0 MB in the beginning and 151.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2021-08-22 19:20:25,225 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83 ms. Allocated memory is still 207.6 MB. Free memory is still 189.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 846.01 ms. Allocated memory is still 207.6 MB. Free memory was 170.7 MB in the beginning and 182.6 MB in the end (delta: -11.9 MB). Peak memory consumption was 17.1 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 59.97 ms. Allocated memory is still 207.6 MB. Free memory was 182.6 MB in the beginning and 180.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 32.96 ms. Allocated memory is still 207.6 MB. Free memory was 180.5 MB in the beginning and 179.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 518.81 ms. Allocated memory is still 207.6 MB. Free memory was 179.5 MB in the beginning and 158.5 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1290.05 ms. Allocated memory is still 207.6 MB. Free memory was 158.0 MB in the beginning and 151.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 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: 942, positive: 897, positive conditional: 415, positive unconditional: 482, negative: 45, negative conditional: 28, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 934, positive: 897, positive conditional: 415, positive unconditional: 482, negative: 37, negative conditional: 20, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 934, positive: 897, positive conditional: 415, positive unconditional: 482, negative: 37, negative conditional: 20, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 957, positive: 897, positive conditional: 267, positive unconditional: 630, negative: 60, negative conditional: 23, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 957, positive: 897, positive conditional: 76, positive unconditional: 821, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 957, positive: 897, positive conditional: 76, positive unconditional: 821, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 501, positive: 484, positive conditional: 2, positive unconditional: 482, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 501, positive: 480, positive conditional: 0, positive unconditional: 480, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 4, positive conditional: 2, positive unconditional: 2, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 92, positive: 24, positive conditional: 3, positive unconditional: 20, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 957, positive: 413, positive conditional: 74, positive unconditional: 339, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 501, unknown conditional: 2, unknown unconditional: 499] , Statistics on independence cache: Total cache size (in pairs): 501, Positive cache size: 484, Positive conditional cache size: 2, Positive unconditional cache size: 482, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17, Eliminated conditions: 214, Maximal queried relation: 2, Independence queries for same thread: 8 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 133, Number of persistent set computation: 92, Number of trivial persistent sets: 38, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 499, positive: 482, positive conditional: 0, positive unconditional: 482, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 942, positive: 897, positive conditional: 415, positive unconditional: 482, negative: 45, negative conditional: 28, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 934, positive: 897, positive conditional: 415, positive unconditional: 482, negative: 37, negative conditional: 20, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 934, positive: 897, positive conditional: 415, positive unconditional: 482, negative: 37, negative conditional: 20, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 957, positive: 897, positive conditional: 267, positive unconditional: 630, negative: 60, negative conditional: 23, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 957, positive: 897, positive conditional: 76, positive unconditional: 821, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 957, positive: 897, positive conditional: 76, positive unconditional: 821, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 501, positive: 484, positive conditional: 2, positive unconditional: 482, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 501, positive: 480, positive conditional: 0, positive unconditional: 480, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 4, positive conditional: 2, positive unconditional: 2, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 92, positive: 24, positive conditional: 3, positive unconditional: 20, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 957, positive: 413, positive conditional: 74, positive unconditional: 339, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 501, unknown conditional: 2, unknown unconditional: 499] , Statistics on independence cache: Total cache size (in pairs): 501, Positive cache size: 484, Positive conditional cache size: 2, Positive unconditional cache size: 482, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17, Eliminated conditions: 214, Maximal queried relation: 2, Independence queries for same thread: 8 - 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, 80 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1193.9ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.0ms, PartialOrderReductionTime: 395.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 16, 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: 10.0ms SsaConstructionTime, 120.2ms SatisfiabilityAnalysisTime, 435.2ms InterpolantComputationTime, 134 NumberOfCodeBlocks, 134 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 131 ConstructedInterpolants, 0 QuantifiedInterpolants, 299 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-08-22 19:20:25,279 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 19:20:25,483 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...