/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe009_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 20:08:04,846 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 20:08:04,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 20:08:04,869 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 20:08:04,889 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 20:08:04,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 20:08:04,890 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 20:08:04,890 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf [2021-07-14 20:08:04,923 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 20:08:04,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 20:08:04,923 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 20:08:04,923 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 20:08:04,924 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 20:08:04,924 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 20:08:04,924 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 20:08:04,924 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 20:08:04,925 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 20:08:04,925 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 20:08:04,925 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 20:08:04,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 20:08:04,925 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 20:08:04,925 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 20:08:04,925 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 20:08:04,925 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 20:08:04,925 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 20:08:04,926 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 20:08:04,926 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 20:08:04,926 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 20:08:04,926 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 20:08:04,926 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 20:08:04,926 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 20:08:04,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 20:08:04,926 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 20:08:04,927 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 20:08:04,927 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 20:08:04,927 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 20:08:04,927 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-14 20:08:04,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 20:08:04,927 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 20:08:04,927 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 20:08:04,927 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 20:08:04,927 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 20:08:04,927 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-14 20:08:04,928 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 20:08:05,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 20:08:05,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 20:08:05,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 20:08:05,191 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-14 20:08:05,191 INFO L275 PluginConnector]: CDTParser initialized [2021-07-14 20:08:05,192 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe009_tso.oepc.i [2021-07-14 20:08:05,233 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a3c8bfa5/d452726dbf804ba98c52eb72b8060fd8/FLAG48f6cbd49 [2021-07-14 20:08:05,615 INFO L306 CDTParser]: Found 1 translation units. [2021-07-14 20:08:05,616 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe009_tso.oepc.i [2021-07-14 20:08:05,625 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a3c8bfa5/d452726dbf804ba98c52eb72b8060fd8/FLAG48f6cbd49 [2021-07-14 20:08:05,635 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a3c8bfa5/d452726dbf804ba98c52eb72b8060fd8 [2021-07-14 20:08:05,637 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 20:08:05,638 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-14 20:08:05,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-14 20:08:05,639 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-14 20:08:05,641 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-14 20:08:05,642 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 08:08:05" (1/1) ... [2021-07-14 20:08:05,642 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42dff6cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:08:05, skipping insertion in model container [2021-07-14 20:08:05,642 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 08:08:05" (1/1) ... [2021-07-14 20:08:05,647 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-14 20:08:05,669 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-14 20:08:05,790 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe009_tso.oepc.i[950,963] [2021-07-14 20:08:05,872 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 20:08:05,877 INFO L203 MainTranslator]: Completed pre-run [2021-07-14 20:08:05,890 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe009_tso.oepc.i[950,963] [2021-07-14 20:08:05,912 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 20:08:05,951 INFO L208 MainTranslator]: Completed translation [2021-07-14 20:08:05,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:08:05 WrapperNode [2021-07-14 20:08:05,952 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-14 20:08:05,953 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 20:08:05,953 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 20:08:05,953 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 20:08:05,957 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:08:05" (1/1) ... [2021-07-14 20:08:05,982 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:08:05" (1/1) ... [2021-07-14 20:08:06,002 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 20:08:06,003 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 20:08:06,003 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 20:08:06,003 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 20:08:06,008 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:08:05" (1/1) ... [2021-07-14 20:08:06,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:08:05" (1/1) ... [2021-07-14 20:08:06,019 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:08:05" (1/1) ... [2021-07-14 20:08:06,019 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:08:05" (1/1) ... [2021-07-14 20:08:06,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:08:05" (1/1) ... [2021-07-14 20:08:06,030 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:08:05" (1/1) ... [2021-07-14 20:08:06,031 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:08:05" (1/1) ... [2021-07-14 20:08:06,033 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 20:08:06,033 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 20:08:06,033 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 20:08:06,034 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 20:08:06,034 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:08:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 20:08:06,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-14 20:08:06,085 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-14 20:08:06,085 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-14 20:08:06,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-14 20:08:06,086 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-07-14 20:08:06,086 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-07-14 20:08:06,086 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-07-14 20:08:06,086 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-07-14 20:08:06,086 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-07-14 20:08:06,086 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-07-14 20:08:06,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-14 20:08:06,086 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-14 20:08:06,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 20:08:06,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 20:08:06,087 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 20:08:06,417 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 20:08:06,417 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-07-14 20:08:06,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 08:08:06 BoogieIcfgContainer [2021-07-14 20:08:06,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 20:08:06,420 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 20:08:06,420 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 20:08:06,422 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 20:08:06,422 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 08:08:05" (1/3) ... [2021-07-14 20:08:06,423 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4266f44e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 08:08:06, skipping insertion in model container [2021-07-14 20:08:06,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 08:08:05" (2/3) ... [2021-07-14 20:08:06,423 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4266f44e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 08:08:06, skipping insertion in model container [2021-07-14 20:08:06,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 08:08:06" (3/3) ... [2021-07-14 20:08:06,424 INFO L111 eAbstractionObserver]: Analyzing ICFG safe009_tso.oepc.i [2021-07-14 20:08:06,427 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 20:08:06,428 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 20:08:06,428 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 20:08:06,428 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 20:08:06,458 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,458 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,458 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,458 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,459 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,459 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,459 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,459 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,459 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,459 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,460 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,460 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,460 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,460 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,460 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,460 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,460 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,461 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,461 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,462 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,463 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,463 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,463 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,464 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,464 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,466 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,466 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,467 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,469 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,469 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,470 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,470 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,470 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,470 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,470 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,470 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,473 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,473 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,473 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,477 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,477 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,477 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,477 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,482 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,482 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,482 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,482 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 20:08:06,484 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-14 20:08:06,498 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 20:08:06,531 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 20:08:06,531 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 20:08:06,531 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 20:08:06,531 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 20:08:06,531 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 20:08:06,531 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 20:08:06,531 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 20:08:06,531 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 20:08:06,711 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 20:08:06,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:08:06,715 INFO L82 PathProgramCache]: Analyzing trace with hash -1694750432, now seen corresponding path program 1 times [2021-07-14 20:08:06,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:08:06,720 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614390807] [2021-07-14 20:08:06,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:08:06,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:08:07,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:08:07,092 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:08:07,092 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614390807] [2021-07-14 20:08:07,093 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614390807] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 20:08:07,093 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 20:08:07,093 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-14 20:08:07,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657932497] [2021-07-14 20:08:07,099 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 20:08:07,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:08:07,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 20:08:07,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-07-14 20:08:07,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:08:07,110 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:08:07,111 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 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) [2021-07-14 20:08:07,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:08:07,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:08:07,803 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 20:08:07,803 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 20:08:07,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:08:07,806 INFO L82 PathProgramCache]: Analyzing trace with hash 426278794, now seen corresponding path program 2 times [2021-07-14 20:08:07,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:08:07,806 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583354193] [2021-07-14 20:08:07,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:08:07,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:08:07,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:08:07,987 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:08:07,988 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583354193] [2021-07-14 20:08:07,988 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583354193] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 20:08:07,988 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 20:08:07,988 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-14 20:08:07,988 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336589755] [2021-07-14 20:08:07,989 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 20:08:07,989 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:08:07,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 20:08:07,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-07-14 20:08:07,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:08:07,990 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:08:07,990 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 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) [2021-07-14 20:08:07,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 20:08:07,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:08:08,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:08:08,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:08:08,785 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 20:08:08,785 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 20:08:08,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 20:08:08,785 INFO L82 PathProgramCache]: Analyzing trace with hash -1346661090, now seen corresponding path program 1 times [2021-07-14 20:08:08,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 20:08:08,785 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932254835] [2021-07-14 20:08:08,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 20:08:08,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 20:08:08,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 20:08:08,924 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 20:08:08,924 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932254835] [2021-07-14 20:08:08,924 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932254835] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 20:08:08,924 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 20:08:08,925 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-14 20:08:08,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992193339] [2021-07-14 20:08:08,925 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 20:08:08,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 20:08:08,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 20:08:08,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-14 20:08:08,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:08:08,927 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 20:08:08,927 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 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) [2021-07-14 20:08:08,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:08:08,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:08:08,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 20:08:09,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:08:09,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 20:08:09,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 20:08:09,578 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 20:08:09,593 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 20:08:09,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 08:08:09 BasicIcfg [2021-07-14 20:08:09,596 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 20:08:09,598 INFO L168 Benchmark]: Toolchain (without parser) took 3959.23 ms. Allocated memory was 180.4 MB in the beginning and 449.8 MB in the end (delta: 269.5 MB). Free memory was 142.6 MB in the beginning and 306.5 MB in the end (delta: -163.9 MB). Peak memory consumption was 167.3 MB. Max. memory is 8.0 GB. [2021-07-14 20:08:09,600 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 180.4 MB. Free memory was 161.5 MB in the beginning and 161.4 MB in the end (delta: 106.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 20:08:09,601 INFO L168 Benchmark]: CACSL2BoogieTranslator took 313.38 ms. Allocated memory is still 180.4 MB. Free memory was 142.4 MB in the beginning and 153.3 MB in the end (delta: -10.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-07-14 20:08:09,601 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.24 ms. Allocated memory is still 180.4 MB. Free memory was 153.3 MB in the beginning and 151.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 20:08:09,601 INFO L168 Benchmark]: Boogie Preprocessor took 30.22 ms. Allocated memory is still 180.4 MB. Free memory was 151.2 MB in the beginning and 150.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 20:08:09,601 INFO L168 Benchmark]: RCFGBuilder took 385.50 ms. Allocated memory is still 180.4 MB. Free memory was 150.2 MB in the beginning and 127.1 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2021-07-14 20:08:09,601 INFO L168 Benchmark]: TraceAbstraction took 3176.52 ms. Allocated memory was 180.4 MB in the beginning and 449.8 MB in the end (delta: 269.5 MB). Free memory was 126.5 MB in the beginning and 306.5 MB in the end (delta: -180.0 MB). Peak memory consumption was 151.2 MB. Max. memory is 8.0 GB. [2021-07-14 20:08:09,603 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 180.4 MB. Free memory was 161.5 MB in the beginning and 161.4 MB in the end (delta: 106.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 313.38 ms. Allocated memory is still 180.4 MB. Free memory was 142.4 MB in the beginning and 153.3 MB in the end (delta: -10.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 49.24 ms. Allocated memory is still 180.4 MB. Free memory was 153.3 MB in the beginning and 151.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 30.22 ms. Allocated memory is still 180.4 MB. Free memory was 151.2 MB in the beginning and 150.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 385.50 ms. Allocated memory is still 180.4 MB. Free memory was 150.2 MB in the beginning and 127.1 MB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3176.52 ms. Allocated memory was 180.4 MB in the beginning and 449.8 MB in the end (delta: 269.5 MB). Free memory was 126.5 MB in the beginning and 306.5 MB in the end (delta: -180.0 MB). Peak memory consumption was 151.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 72026, positive: 69382, positive conditional: 61974, positive unconditional: 7408, negative: 2644, negative conditional: 2549, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 70185, positive: 69382, positive conditional: 61974, positive unconditional: 7408, negative: 803, negative conditional: 708, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 70185, positive: 68761, positive conditional: 0, positive unconditional: 68761, negative: 1424, negative conditional: 0, negative unconditional: 1424, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1343, positive: 1319, positive conditional: 0, positive unconditional: 1319, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1343, positive: 1313, positive conditional: 0, positive unconditional: 1313, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 56, positive: 24, positive conditional: 18, positive unconditional: 6, negative: 32, negative conditional: 8, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 191, positive: 47, positive conditional: 24, positive unconditional: 23, negative: 144, negative conditional: 11, negative unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 70185, positive: 67442, positive conditional: 0, positive unconditional: 67442, negative: 1400, negative conditional: 0, negative unconditional: 1400, unknown: 1343, unknown conditional: 0, unknown unconditional: 1343] , Statistics on independence cache: Total cache size (in pairs): 1369, Positive cache size: 1337, Positive conditional cache size: 18, Positive unconditional cache size: 1319, Negative cache size: 32, Negative conditional cache size: 8, Negative unconditional cache size: 24, SemanticConditionEliminator.Independence Queries: [ total: 2889, positive: 621, positive conditional: 621, positive unconditional: 0, negative: 2268, negative conditional: 205, negative unconditional: 2063, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2889, positive: 621, positive conditional: 621, positive unconditional: 0, negative: 2268, negative conditional: 205, negative unconditional: 2063, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 56, positive: 24, positive conditional: 18, positive unconditional: 6, negative: 32, negative conditional: 8, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 191, positive: 47, positive conditional: 24, positive unconditional: 23, negative: 144, negative conditional: 11, negative unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2889, positive: 603, positive conditional: 603, positive unconditional: 0, negative: 2260, negative conditional: 197, negative unconditional: 2063, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1369, Positive cache size: 1337, Positive conditional cache size: 18, Positive unconditional cache size: 1319, Negative cache size: 32, Negative conditional cache size: 8, Negative unconditional cache size: 24, Eliminated conditions: 1967, SemanticConditionEliminator.Independence Queries: [ total: 2889, positive: 621, positive conditional: 621, positive unconditional: 0, negative: 2268, negative conditional: 205, negative unconditional: 2063, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2889, positive: 621, positive conditional: 621, positive unconditional: 0, negative: 2268, negative conditional: 205, negative unconditional: 2063, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 56, positive: 24, positive conditional: 18, positive unconditional: 6, negative: 32, negative conditional: 8, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 191, positive: 47, positive conditional: 24, positive unconditional: 23, negative: 144, negative conditional: 11, negative unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2889, positive: 603, positive conditional: 603, positive unconditional: 0, negative: 2260, negative conditional: 197, negative unconditional: 2063, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1369, Positive cache size: 1337, Positive conditional cache size: 18, Positive unconditional cache size: 1319, Negative cache size: 32, Negative conditional cache size: 8, Negative unconditional cache size: 24, Eliminated conditions: 1967, SemanticConditionEliminator.Independence Queries: [ total: 2889, positive: 621, positive conditional: 621, positive unconditional: 0, negative: 2268, negative conditional: 205, negative unconditional: 2063, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2889, positive: 621, positive conditional: 621, positive unconditional: 0, negative: 2268, negative conditional: 205, negative unconditional: 2063, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 56, positive: 24, positive conditional: 18, positive unconditional: 6, negative: 32, negative conditional: 8, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 191, positive: 47, positive conditional: 24, positive unconditional: 23, negative: 144, negative conditional: 11, negative unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2889, positive: 603, positive conditional: 603, positive unconditional: 0, negative: 2260, negative conditional: 197, negative unconditional: 2063, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1369, Positive cache size: 1337, Positive conditional cache size: 18, Positive unconditional cache size: 1319, Negative cache size: 32, Negative conditional cache size: 8, Negative unconditional cache size: 24, Eliminated conditions: 1967 ], Maximal queried relation: 3, Independence queries for same thread: 1841 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 424, Number of persistent set computation: 3751, Number of trivial persistent sets: 1632, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 72026, positive: 69382, positive conditional: 61974, positive unconditional: 7408, negative: 2644, negative conditional: 2549, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 70185, positive: 69382, positive conditional: 61974, positive unconditional: 7408, negative: 803, negative conditional: 708, negative unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 70185, positive: 68761, positive conditional: 0, positive unconditional: 68761, negative: 1424, negative conditional: 0, negative unconditional: 1424, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1343, positive: 1319, positive conditional: 0, positive unconditional: 1319, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1343, positive: 1313, positive conditional: 0, positive unconditional: 1313, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 56, positive: 24, positive conditional: 18, positive unconditional: 6, negative: 32, negative conditional: 8, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 191, positive: 47, positive conditional: 24, positive unconditional: 23, negative: 144, negative conditional: 11, negative unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 70185, positive: 67442, positive conditional: 0, positive unconditional: 67442, negative: 1400, negative conditional: 0, negative unconditional: 1400, unknown: 1343, unknown conditional: 0, unknown unconditional: 1343] , Statistics on independence cache: Total cache size (in pairs): 1369, Positive cache size: 1337, Positive conditional cache size: 18, Positive unconditional cache size: 1319, Negative cache size: 32, Negative conditional cache size: 8, Negative unconditional cache size: 24, SemanticConditionEliminator.Independence Queries: [ total: 2889, positive: 621, positive conditional: 621, positive unconditional: 0, negative: 2268, negative conditional: 205, negative unconditional: 2063, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2889, positive: 621, positive conditional: 621, positive unconditional: 0, negative: 2268, negative conditional: 205, negative unconditional: 2063, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 56, positive: 24, positive conditional: 18, positive unconditional: 6, negative: 32, negative conditional: 8, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 191, positive: 47, positive conditional: 24, positive unconditional: 23, negative: 144, negative conditional: 11, negative unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2889, positive: 603, positive conditional: 603, positive unconditional: 0, negative: 2260, negative conditional: 197, negative unconditional: 2063, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1369, Positive cache size: 1337, Positive conditional cache size: 18, Positive unconditional cache size: 1319, Negative cache size: 32, Negative conditional cache size: 8, Negative unconditional cache size: 24, Eliminated conditions: 1967, SemanticConditionEliminator.Independence Queries: [ total: 2889, positive: 621, positive conditional: 621, positive unconditional: 0, negative: 2268, negative conditional: 205, negative unconditional: 2063, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2889, positive: 621, positive conditional: 621, positive unconditional: 0, negative: 2268, negative conditional: 205, negative unconditional: 2063, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 56, positive: 24, positive conditional: 18, positive unconditional: 6, negative: 32, negative conditional: 8, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 191, positive: 47, positive conditional: 24, positive unconditional: 23, negative: 144, negative conditional: 11, negative unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2889, positive: 603, positive conditional: 603, positive unconditional: 0, negative: 2260, negative conditional: 197, negative unconditional: 2063, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1369, Positive cache size: 1337, Positive conditional cache size: 18, Positive unconditional cache size: 1319, Negative cache size: 32, Negative conditional cache size: 8, Negative unconditional cache size: 24, Eliminated conditions: 1967, SemanticConditionEliminator.Independence Queries: [ total: 2889, positive: 621, positive conditional: 621, positive unconditional: 0, negative: 2268, negative conditional: 205, negative unconditional: 2063, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2889, positive: 621, positive conditional: 621, positive unconditional: 0, negative: 2268, negative conditional: 205, negative unconditional: 2063, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 56, positive: 24, positive conditional: 18, positive unconditional: 6, negative: 32, negative conditional: 8, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 191, positive: 47, positive conditional: 24, positive unconditional: 23, negative: 144, negative conditional: 11, negative unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2889, positive: 603, positive conditional: 603, positive unconditional: 0, negative: 2260, negative conditional: 197, negative unconditional: 2063, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1369, Positive cache size: 1337, Positive conditional cache size: 18, Positive unconditional cache size: 1319, Negative cache size: 32, Negative conditional cache size: 8, Negative unconditional cache size: 24, Eliminated conditions: 1967 ], Maximal queried relation: 3, Independence queries for same thread: 1841 - 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 7 procedures, 104 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3083.8ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.4ms, PartialOrderReductionTime: 2305.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 44, 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: 13.4ms SsaConstructionTime, 124.5ms SatisfiabilityAnalysisTime, 478.4ms InterpolantComputationTime, 191 NumberOfCodeBlocks, 191 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 188 ConstructedInterpolants, 0 QuantifiedInterpolants, 774 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! Received shutdown request...