/usr/bin/java -Xmx16000000000 -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-DelaySleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe036_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788 [2021-06-02 06:40:14,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-02 06:40:14,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-02 06:40:14,600 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-02 06:40:14,619 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-02 06:40:14,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-02 06:40:14,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-02 06:40:14,623 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-02 06:40:14,626 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-02 06:40:14,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-02 06:40:14,629 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-02 06:40:14,634 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-02 06:40:14,635 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-02 06:40:14,636 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-02 06:40:14,637 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-02 06:40:14,639 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-02 06:40:14,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-02 06:40:14,652 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-02 06:40:14,653 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-02 06:40:14,653 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-02 06:40:14,657 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-DelaySleepPersistent-NoLbe.epf [2021-06-02 06:40:14,693 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-02 06:40:14,693 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-02 06:40:14,693 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-02 06:40:14,693 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-02 06:40:14,696 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-02 06:40:14,696 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-02 06:40:14,696 INFO L138 SettingsManager]: * Use SBE=true [2021-06-02 06:40:14,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-02 06:40:14,696 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-02 06:40:14,696 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-02 06:40:14,697 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-02 06:40:14,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-02 06:40:14,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-02 06:40:14,698 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-02 06:40:14,698 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-02 06:40:14,698 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-02 06:40:14,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-02 06:40:14,698 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-02 06:40:14,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-02 06:40:14,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-02 06:40:14,698 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-02 06:40:14,698 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-02 06:40:14,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-02 06:40:14,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-02 06:40:14,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-02 06:40:14,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-02 06:40:14,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-02 06:40:14,699 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-02 06:40:14,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-02 06:40:14,699 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-02 06:40:14,700 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-02 06:40:14,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-02 06:40:14,700 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_DELAY_SET [2021-06-02 06:40:14,700 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-02 06:40:15,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-02 06:40:15,030 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-02 06:40:15,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-02 06:40:15,033 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-02 06:40:15,034 INFO L275 PluginConnector]: CDTParser initialized [2021-06-02 06:40:15,034 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe036_tso.oepc.i [2021-06-02 06:40:15,098 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9487f1818/86b62e913b9046688073778ffe463036/FLAG3ce1dce25 [2021-06-02 06:40:15,581 INFO L306 CDTParser]: Found 1 translation units. [2021-06-02 06:40:15,581 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe036_tso.oepc.i [2021-06-02 06:40:15,607 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9487f1818/86b62e913b9046688073778ffe463036/FLAG3ce1dce25 [2021-06-02 06:40:16,114 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9487f1818/86b62e913b9046688073778ffe463036 [2021-06-02 06:40:16,117 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-02 06:40:16,119 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-02 06:40:16,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-02 06:40:16,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-02 06:40:16,127 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-02 06:40:16,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.06 06:40:16" (1/1) ... [2021-06-02 06:40:16,128 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52da816c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:40:16, skipping insertion in model container [2021-06-02 06:40:16,128 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.06 06:40:16" (1/1) ... [2021-06-02 06:40:16,134 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-02 06:40:16,179 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-02 06:40:16,304 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/safe036_tso.oepc.i[950,963] [2021-06-02 06:40:16,504 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-02 06:40:16,511 INFO L203 MainTranslator]: Completed pre-run [2021-06-02 06:40:16,521 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/safe036_tso.oepc.i[950,963] [2021-06-02 06:40:16,556 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-02 06:40:16,624 INFO L208 MainTranslator]: Completed translation [2021-06-02 06:40:16,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:40:16 WrapperNode [2021-06-02 06:40:16,625 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-02 06:40:16,626 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-02 06:40:16,626 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-02 06:40:16,626 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-02 06:40:16,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:40:16" (1/1) ... [2021-06-02 06:40:16,660 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:40:16" (1/1) ... [2021-06-02 06:40:16,681 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-02 06:40:16,682 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-02 06:40:16,683 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-02 06:40:16,683 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-02 06:40:16,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:40:16" (1/1) ... [2021-06-02 06:40:16,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:40:16" (1/1) ... [2021-06-02 06:40:16,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:40:16" (1/1) ... [2021-06-02 06:40:16,694 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:40:16" (1/1) ... [2021-06-02 06:40:16,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:40:16" (1/1) ... [2021-06-02 06:40:16,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:40:16" (1/1) ... [2021-06-02 06:40:16,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:40:16" (1/1) ... [2021-06-02 06:40:16,715 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-02 06:40:16,716 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-02 06:40:16,716 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-02 06:40:16,716 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-02 06:40:16,716 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:40:16" (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 [2021-06-02 06:40:16,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-02 06:40:16,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-02 06:40:16,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-02 06:40:16,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-02 06:40:16,793 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-02 06:40:16,793 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-02 06:40:16,793 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-02 06:40:16,794 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-02 06:40:16,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-02 06:40:16,794 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-02 06:40:16,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-02 06:40:16,794 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-02 06:40:16,795 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-02 06:40:17,117 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-02 06:40:17,117 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-02 06:40:17,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 06:40:17 BoogieIcfgContainer [2021-06-02 06:40:17,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-02 06:40:17,120 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-02 06:40:17,120 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-02 06:40:17,123 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-02 06:40:17,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.06 06:40:16" (1/3) ... [2021-06-02 06:40:17,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70222e99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 06:40:17, skipping insertion in model container [2021-06-02 06:40:17,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:40:16" (2/3) ... [2021-06-02 06:40:17,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70222e99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 06:40:17, skipping insertion in model container [2021-06-02 06:40:17,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 06:40:17" (3/3) ... [2021-06-02 06:40:17,125 INFO L111 eAbstractionObserver]: Analyzing ICFG safe036_tso.oepc.i [2021-06-02 06:40:17,130 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-02 06:40:17,130 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-02 06:40:17,131 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-02 06:40:17,131 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-02 06:40:17,151 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:17,152 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:17,152 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:17,152 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:17,152 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:17,152 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:17,152 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:17,153 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:17,153 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:17,153 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:17,153 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:17,154 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:17,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:17,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:17,154 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:17,154 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:17,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:17,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:17,155 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:17,155 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:17,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:17,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:17,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:17,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:17,157 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:17,158 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:17,158 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:17,158 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:17,162 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:17,162 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:17,162 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:17,163 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:40:17,164 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-02 06:40:17,183 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 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 [2021-06-02 06:40:17,249 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 06:40:17,250 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 06:40:17,250 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 06:40:17,250 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 06:40:17,250 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 06:40:17,250 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 06:40:17,250 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 06:40:17,250 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-02 06:40:17,470 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:40:17,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:40:17,478 INFO L82 PathProgramCache]: Analyzing trace with hash 1835842458, now seen corresponding path program 1 times [2021-06-02 06:40:17,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:40:17,486 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707619047] [2021-06-02 06:40:17,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:40:17,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:40:17,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 06:40:17,855 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:40:17,855 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707619047] [2021-06-02 06:40:17,856 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707619047] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:40:17,856 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:40:17,856 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-02 06:40:17,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564360898] [2021-06-02 06:40:17,860 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-02 06:40:17,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:40:17,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-02 06:40:17,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-02 06:40:17,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:40:17,879 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:40:17,894 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 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) [2021-06-02 06:40:17,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:40:18,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:40:18,101 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-02 06:40:18,101 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:40:18,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:40:18,103 INFO L82 PathProgramCache]: Analyzing trace with hash 344333462, now seen corresponding path program 1 times [2021-06-02 06:40:18,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:40:18,104 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627773204] [2021-06-02 06:40:18,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:40:18,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:40:18,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 06:40:18,257 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:40:18,257 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627773204] [2021-06-02 06:40:18,258 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627773204] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:40:18,258 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:40:18,258 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-02 06:40:18,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226060911] [2021-06-02 06:40:18,262 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-02 06:40:18,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:40:18,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-02 06:40:18,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-02 06:40:18,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:40:18,263 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:40:18,263 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 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) [2021-06-02 06:40:18,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:40:18,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:40:18,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:40:18,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:40:18,430 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-02 06:40:18,431 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:40:18,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:40:18,431 INFO L82 PathProgramCache]: Analyzing trace with hash 324865708, now seen corresponding path program 2 times [2021-06-02 06:40:18,431 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:40:18,432 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887979854] [2021-06-02 06:40:18,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:40:18,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:40:18,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 06:40:18,532 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:40:18,533 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887979854] [2021-06-02 06:40:18,533 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887979854] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:40:18,533 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:40:18,533 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-02 06:40:18,533 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946856166] [2021-06-02 06:40:18,534 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-02 06:40:18,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:40:18,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-02 06:40:18,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-02 06:40:18,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:40:18,535 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:40:18,535 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 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) [2021-06-02 06:40:18,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:40:18,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:40:18,535 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:40:18,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:40:18,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:40:18,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:40:18,686 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-02 06:40:18,693 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-02 06:40:18,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.06 06:40:18 BasicIcfg [2021-06-02 06:40:18,694 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-02 06:40:18,695 INFO L168 Benchmark]: Toolchain (without parser) took 2575.61 ms. Allocated memory is still 390.1 MB. Free memory was 352.6 MB in the beginning and 341.0 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.0 GB. [2021-06-02 06:40:18,695 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 390.1 MB. Free memory was 370.6 MB in the beginning and 370.5 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 06:40:18,696 INFO L168 Benchmark]: CACSL2BoogieTranslator took 502.04 ms. Allocated memory is still 390.1 MB. Free memory was 352.4 MB in the beginning and 352.8 MB in the end (delta: -462.9 kB). Peak memory consumption was 7.2 MB. Max. memory is 16.0 GB. [2021-06-02 06:40:18,696 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.39 ms. Allocated memory is still 390.1 MB. Free memory was 352.8 MB in the beginning and 350.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-02 06:40:18,697 INFO L168 Benchmark]: Boogie Preprocessor took 32.65 ms. Allocated memory is still 390.1 MB. Free memory was 350.7 MB in the beginning and 349.7 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 06:40:18,697 INFO L168 Benchmark]: RCFGBuilder took 403.43 ms. Allocated memory is still 390.1 MB. Free memory was 349.7 MB in the beginning and 326.8 MB in the end (delta: 22.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-06-02 06:40:18,697 INFO L168 Benchmark]: TraceAbstraction took 1574.10 ms. Allocated memory is still 390.1 MB. Free memory was 326.6 MB in the beginning and 341.0 MB in the end (delta: -14.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 06:40:18,699 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 390.1 MB. Free memory was 370.6 MB in the beginning and 370.5 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 502.04 ms. Allocated memory is still 390.1 MB. Free memory was 352.4 MB in the beginning and 352.8 MB in the end (delta: -462.9 kB). Peak memory consumption was 7.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 55.39 ms. Allocated memory is still 390.1 MB. Free memory was 352.8 MB in the beginning and 350.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 32.65 ms. Allocated memory is still 390.1 MB. Free memory was 350.7 MB in the beginning and 349.7 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 403.43 ms. Allocated memory is still 390.1 MB. Free memory was 349.7 MB in the beginning and 326.8 MB in the end (delta: 22.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1574.10 ms. Allocated memory is still 390.1 MB. Free memory was 326.6 MB in the beginning and 341.0 MB in the end (delta: -14.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 583, positive: 559, positive conditional: 559, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 568, positive: 559, positive conditional: 559, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 4194, positive: 4134, positive conditional: 0, positive unconditional: 4134, 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: 1186, positive: 1165, positive conditional: 0, positive unconditional: 1165, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1186, positive: 1154, positive conditional: 0, positive unconditional: 1154, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 13, positive conditional: 2, positive unconditional: 11, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 139, positive: 76, positive conditional: 4, positive unconditional: 72, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4194, positive: 2969, positive conditional: 0, positive unconditional: 2969, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 1186, unknown conditional: 0, unknown unconditional: 1186] , Statistics on independence cache: Total cache size (in pairs): 1188, Positive cache size: 1167, Positive conditional cache size: 2, Positive unconditional cache size: 1165, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21, SemanticConditionEliminator.Independence Queries: [ total: 39, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 39, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 13, positive conditional: 2, positive unconditional: 11, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 139, positive: 76, positive conditional: 4, positive unconditional: 72, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 39, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1188, Positive cache size: 1167, Positive conditional cache size: 2, Positive unconditional cache size: 1165, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21, Eliminated conditions: 21, SemanticConditionEliminator.Independence Queries: [ total: 39, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 39, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 13, positive conditional: 2, positive unconditional: 11, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 139, positive: 76, positive conditional: 4, positive unconditional: 72, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 39, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1188, Positive cache size: 1167, Positive conditional cache size: 2, Positive unconditional cache size: 1165, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21, Eliminated conditions: 21, SemanticConditionEliminator.Independence Queries: [ total: 39, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 39, positive: 18, positive conditional: 18, positive unconditional: 0, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 13, positive conditional: 2, positive unconditional: 11, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 139, positive: 76, positive conditional: 4, positive unconditional: 72, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 39, positive: 16, positive conditional: 16, positive unconditional: 0, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1188, Positive cache size: 1167, Positive conditional cache size: 2, Positive unconditional cache size: 1165, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21, Eliminated conditions: 21 ], Maximal queried relation: 3, Independence queries for same thread: 15 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 300, Number of persistent set computation: 405, Number of trivial persistent sets: 343, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 4194, positive: 4134, positive conditional: 0, positive unconditional: 4134, 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: 1186, positive: 1165, positive conditional: 0, positive unconditional: 1165, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1186, positive: 1154, positive conditional: 0, positive unconditional: 1154, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 34, positive: 13, positive conditional: 2, positive unconditional: 11, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 139, positive: 76, positive conditional: 4, positive unconditional: 72, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4194, positive: 2969, positive conditional: 0, positive unconditional: 2969, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 1186, unknown conditional: 0, unknown unconditional: 1186] , Statistics on independence cache: Total cache size (in pairs): 1188, Positive cache size: 1167, Positive conditional cache size: 2, Positive unconditional cache size: 1165, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 82 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1495.6ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.2ms, PartialOrderReductionTime: 726.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 10.5ms SsaConstructionTime, 124.7ms SatisfiabilityAnalysisTime, 400.8ms InterpolantComputationTime, 139 NumberOfCodeBlocks, 139 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 136 ConstructedInterpolants, 0 QuantifiedInterpolants, 412 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...