/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe012_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 22:58:00,059 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 22:58:00,061 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 22:58:00,091 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-16 22:58:00,135 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-16 22:58:00,135 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-16 22:58:00,136 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-16 22:58:00,139 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Random42.epf [2021-06-16 22:58:00,168 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 22:58:00,168 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 22:58:00,168 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-16 22:58:00,168 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-16 22:58:00,170 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 22:58:00,170 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 22:58:00,170 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 22:58:00,171 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 22:58:00,171 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 22:58:00,171 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 22:58:00,172 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 22:58:00,172 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 22:58:00,172 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 22:58:00,172 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 22:58:00,172 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 22:58:00,172 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 22:58:00,172 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 22:58:00,172 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 22:58:00,173 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 22:58:00,173 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 22:58:00,173 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 22:58:00,173 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 22:58:00,173 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 22:58:00,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 22:58:00,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 22:58:00,174 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 22:58:00,174 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 22:58:00,174 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 22:58:00,174 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-16 22:58:00,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 22:58:00,174 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 22:58:00,174 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-16 22:58:00,175 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 22:58:00,175 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-16 22:58:00,175 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-16 22:58:00,175 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 22:58:00,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 22:58:00,447 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 22:58:00,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 22:58:00,450 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-16 22:58:00,450 INFO L275 PluginConnector]: CDTParser initialized [2021-06-16 22:58:00,451 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe012_tso.opt.i [2021-06-16 22:58:00,491 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/720aaf501/45e408c18149481d8fd370bc20063eee/FLAG5935801af [2021-06-16 22:58:00,934 INFO L306 CDTParser]: Found 1 translation units. [2021-06-16 22:58:00,934 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe012_tso.opt.i [2021-06-16 22:58:00,946 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/720aaf501/45e408c18149481d8fd370bc20063eee/FLAG5935801af [2021-06-16 22:58:00,961 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/720aaf501/45e408c18149481d8fd370bc20063eee [2021-06-16 22:58:00,963 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 22:58:00,965 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-16 22:58:00,967 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-16 22:58:00,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-16 22:58:00,970 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-16 22:58:00,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 10:58:00" (1/1) ... [2021-06-16 22:58:00,971 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bafa306 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:58:00, skipping insertion in model container [2021-06-16 22:58:00,972 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 10:58:00" (1/1) ... [2021-06-16 22:58:00,976 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-16 22:58:01,011 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-16 22:58:01,183 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/safe012_tso.opt.i[949,962] [2021-06-16 22:58:01,282 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 22:58:01,286 INFO L203 MainTranslator]: Completed pre-run [2021-06-16 22:58:01,294 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/safe012_tso.opt.i[949,962] [2021-06-16 22:58:01,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 22:58:01,366 INFO L208 MainTranslator]: Completed translation [2021-06-16 22:58:01,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:58:01 WrapperNode [2021-06-16 22:58:01,367 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-16 22:58:01,368 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 22:58:01,368 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 22:58:01,368 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 22:58:01,372 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:58:01" (1/1) ... [2021-06-16 22:58:01,381 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:58:01" (1/1) ... [2021-06-16 22:58:01,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 22:58:01,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 22:58:01,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 22:58:01,401 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 22:58:01,406 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:58:01" (1/1) ... [2021-06-16 22:58:01,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:58:01" (1/1) ... [2021-06-16 22:58:01,413 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:58:01" (1/1) ... [2021-06-16 22:58:01,413 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:58:01" (1/1) ... [2021-06-16 22:58:01,426 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:58:01" (1/1) ... [2021-06-16 22:58:01,428 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:58:01" (1/1) ... [2021-06-16 22:58:01,429 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:58:01" (1/1) ... [2021-06-16 22:58:01,433 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 22:58:01,433 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 22:58:01,433 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 22:58:01,434 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 22:58:01,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:58:01" (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 [2021-06-16 22:58:01,484 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-16 22:58:01,484 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-16 22:58:01,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-16 22:58:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-16 22:58:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-16 22:58:01,485 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-16 22:58:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-16 22:58:01,485 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-16 22:58:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-16 22:58:01,485 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-16 22:58:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-16 22:58:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-16 22:58:01,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 22:58:01,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 22:58:01,486 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-16 22:58:01,826 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 22:58:01,826 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-16 22:58:01,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 10:58:01 BoogieIcfgContainer [2021-06-16 22:58:01,829 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 22:58:01,830 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 22:58:01,830 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 22:58:01,832 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 22:58:01,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.06 10:58:00" (1/3) ... [2021-06-16 22:58:01,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78a9a934 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 10:58:01, skipping insertion in model container [2021-06-16 22:58:01,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 10:58:01" (2/3) ... [2021-06-16 22:58:01,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78a9a934 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 10:58:01, skipping insertion in model container [2021-06-16 22:58:01,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 10:58:01" (3/3) ... [2021-06-16 22:58:01,834 INFO L111 eAbstractionObserver]: Analyzing ICFG safe012_tso.opt.i [2021-06-16 22:58:01,838 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 22:58:01,838 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 22:58:01,838 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-16 22:58:01,839 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 22:58:01,865 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,865 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,865 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,865 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,866 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,866 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,866 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,867 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,867 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,867 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,867 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,868 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,868 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,869 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,869 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,869 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,870 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,870 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,871 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,871 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,874 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,874 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,875 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,875 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,875 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,875 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,876 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,876 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,876 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,876 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,876 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,877 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,877 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,877 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,877 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,879 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,879 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,879 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,879 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,884 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,884 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,884 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,884 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,886 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,886 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,886 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,886 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 22:58:01,889 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-16 22:58:01,904 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 [2021-06-16 22:58:01,956 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 22:58:01,956 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 22:58:01,956 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 22:58:01,956 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 22:58:01,956 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 22:58:01,956 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 22:58:01,956 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 22:58:01,957 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-16 22:58:01,996 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 22:58:02,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 22:58:02,001 INFO L82 PathProgramCache]: Analyzing trace with hash 343758463, now seen corresponding path program 1 times [2021-06-16 22:58:02,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 22:58:02,006 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926939283] [2021-06-16 22:58:02,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 22:58:02,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 22:58:02,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 22:58:02,340 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 22:58:02,340 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926939283] [2021-06-16 22:58:02,340 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926939283] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 22:58:02,340 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 22:58:02,341 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-16 22:58:02,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316486529] [2021-06-16 22:58:02,344 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-16 22:58:02,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 22:58:02,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-16 22:58:02,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-16 22:58:02,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:58:02,355 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 22:58:02,357 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 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) [2021-06-16 22:58:02,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:58:03,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 22:58:03,040 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-16 22:58:03,040 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 22:58:03,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 22:58:03,043 INFO L82 PathProgramCache]: Analyzing trace with hash -432984095, now seen corresponding path program 2 times [2021-06-16 22:58:03,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 22:58:03,044 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431069849] [2021-06-16 22:58:03,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 22:58:03,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 22:58:03,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 22:58:03,201 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 22:58:03,201 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431069849] [2021-06-16 22:58:03,201 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431069849] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 22:58:03,202 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 22:58:03,202 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-16 22:58:03,202 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813249770] [2021-06-16 22:58:03,203 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-16 22:58:03,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 22:58:03,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-16 22:58:03,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-16 22:58:03,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:58:03,210 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 22:58:03,210 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 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) [2021-06-16 22:58:03,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 22:58:03,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:58:03,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 22:58:03,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 22:58:03,655 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-16 22:58:03,655 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 22:58:03,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 22:58:03,655 INFO L82 PathProgramCache]: Analyzing trace with hash 227523941, now seen corresponding path program 3 times [2021-06-16 22:58:03,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 22:58:03,655 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163983894] [2021-06-16 22:58:03,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 22:58:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 22:58:03,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 22:58:03,793 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 22:58:03,793 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163983894] [2021-06-16 22:58:03,793 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163983894] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 22:58:03,793 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 22:58:03,793 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-16 22:58:03,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366607203] [2021-06-16 22:58:03,794 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-16 22:58:03,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 22:58:03,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-16 22:58:03,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-16 22:58:03,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:58:03,794 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 22:58:03,795 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 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) [2021-06-16 22:58:03,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 22:58:03,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-16 22:58:03,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:58:04,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 22:58:04,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 22:58:04,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 22:58:04,271 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-16 22:58:04,271 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 22:58:04,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 22:58:04,272 INFO L82 PathProgramCache]: Analyzing trace with hash 2122865685, now seen corresponding path program 4 times [2021-06-16 22:58:04,272 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 22:58:04,272 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930604643] [2021-06-16 22:58:04,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 22:58:04,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 22:58:04,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 22:58:04,381 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 22:58:04,381 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930604643] [2021-06-16 22:58:04,382 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930604643] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 22:58:04,382 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 22:58:04,382 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-16 22:58:04,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382221749] [2021-06-16 22:58:04,383 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-16 22:58:04,383 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 22:58:04,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-16 22:58:04,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-16 22:58:04,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:58:04,384 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 22:58:04,385 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 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) [2021-06-16 22:58:04,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-16 22:58:04,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-16 22:58:04,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 22:58:04,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 22:58:04,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 22:58:04,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-16 22:58:04,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 22:58:04,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 22:58:04,818 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-16 22:58:04,830 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-16 22:58:04,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.06 10:58:04 BasicIcfg [2021-06-16 22:58:04,831 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-16 22:58:04,832 INFO L168 Benchmark]: Toolchain (without parser) took 3866.90 ms. Allocated memory was 185.6 MB in the beginning and 416.3 MB in the end (delta: 230.7 MB). Free memory was 149.1 MB in the beginning and 314.6 MB in the end (delta: -165.5 MB). Peak memory consumption was 249.7 MB. Max. memory is 8.0 GB. [2021-06-16 22:58:04,832 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 185.6 MB. Free memory is still 166.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 22:58:04,832 INFO L168 Benchmark]: CACSL2BoogieTranslator took 399.76 ms. Allocated memory is still 185.6 MB. Free memory was 148.8 MB in the beginning and 146.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 13.5 MB. Max. memory is 8.0 GB. [2021-06-16 22:58:04,832 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.41 ms. Allocated memory is still 185.6 MB. Free memory was 146.0 MB in the beginning and 143.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-16 22:58:04,835 INFO L168 Benchmark]: Boogie Preprocessor took 32.04 ms. Allocated memory is still 185.6 MB. Free memory was 143.9 MB in the beginning and 142.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-16 22:58:04,835 INFO L168 Benchmark]: RCFGBuilder took 395.34 ms. Allocated memory is still 185.6 MB. Free memory was 142.3 MB in the beginning and 118.7 MB in the end (delta: 23.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-06-16 22:58:04,835 INFO L168 Benchmark]: TraceAbstraction took 3001.53 ms. Allocated memory was 185.6 MB in the beginning and 416.3 MB in the end (delta: 230.7 MB). Free memory was 118.2 MB in the beginning and 314.6 MB in the end (delta: -196.4 MB). Peak memory consumption was 218.3 MB. Max. memory is 8.0 GB. [2021-06-16 22:58:04,836 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 185.6 MB. Free memory is still 166.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 399.76 ms. Allocated memory is still 185.6 MB. Free memory was 148.8 MB in the beginning and 146.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 13.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 32.41 ms. Allocated memory is still 185.6 MB. Free memory was 146.0 MB in the beginning and 143.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 32.04 ms. Allocated memory is still 185.6 MB. Free memory was 143.9 MB in the beginning and 142.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 395.34 ms. Allocated memory is still 185.6 MB. Free memory was 142.3 MB in the beginning and 118.7 MB in the end (delta: 23.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3001.53 ms. Allocated memory was 185.6 MB in the beginning and 416.3 MB in the end (delta: 230.7 MB). Free memory was 118.2 MB in the beginning and 314.6 MB in the end (delta: -196.4 MB). Peak memory consumption was 218.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 89283, positive: 86416, positive conditional: 86416, positive unconditional: 0, negative: 2867, negative conditional: 2867, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 86946, positive: 86416, positive conditional: 86416, positive unconditional: 0, negative: 530, negative conditional: 530, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 86946, positive: 85983, positive conditional: 0, positive unconditional: 85983, negative: 963, negative conditional: 0, negative unconditional: 963, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 817, positive: 805, positive conditional: 0, positive unconditional: 805, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 817, positive: 799, positive conditional: 0, positive unconditional: 799, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 37, positive: 19, positive conditional: 13, positive unconditional: 6, negative: 18, negative conditional: 6, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 109, positive: 50, positive conditional: 27, positive unconditional: 23, negative: 59, negative conditional: 9, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 86946, positive: 85178, positive conditional: 0, positive unconditional: 85178, negative: 951, negative conditional: 0, negative unconditional: 951, unknown: 817, unknown conditional: 0, unknown unconditional: 817] , Statistics on independence cache: Total cache size (in pairs): 836, Positive cache size: 818, Positive conditional cache size: 13, Positive unconditional cache size: 805, Negative cache size: 18, Negative conditional cache size: 6, Negative unconditional cache size: 12, SemanticConditionEliminator.Independence Queries: [ total: 2261, positive: 433, positive conditional: 433, positive unconditional: 0, negative: 1828, negative conditional: 175, negative unconditional: 1653, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2261, positive: 433, positive conditional: 433, positive unconditional: 0, negative: 1828, negative conditional: 175, negative unconditional: 1653, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 37, positive: 19, positive conditional: 13, positive unconditional: 6, negative: 18, negative conditional: 6, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 109, positive: 50, positive conditional: 27, positive unconditional: 23, negative: 59, negative conditional: 9, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2261, positive: 420, positive conditional: 420, positive unconditional: 0, negative: 1822, negative conditional: 169, negative unconditional: 1653, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 836, Positive cache size: 818, Positive conditional cache size: 13, Positive unconditional cache size: 805, Negative cache size: 18, Negative conditional cache size: 6, Negative unconditional cache size: 12, Eliminated conditions: 1653, SemanticConditionEliminator.Independence Queries: [ total: 2261, positive: 433, positive conditional: 433, positive unconditional: 0, negative: 1828, negative conditional: 175, negative unconditional: 1653, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2261, positive: 433, positive conditional: 433, positive unconditional: 0, negative: 1828, negative conditional: 175, negative unconditional: 1653, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 37, positive: 19, positive conditional: 13, positive unconditional: 6, negative: 18, negative conditional: 6, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 109, positive: 50, positive conditional: 27, positive unconditional: 23, negative: 59, negative conditional: 9, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2261, positive: 420, positive conditional: 420, positive unconditional: 0, negative: 1822, negative conditional: 169, negative unconditional: 1653, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 836, Positive cache size: 818, Positive conditional cache size: 13, Positive unconditional cache size: 805, Negative cache size: 18, Negative conditional cache size: 6, Negative unconditional cache size: 12, Eliminated conditions: 1653, SemanticConditionEliminator.Independence Queries: [ total: 2261, positive: 433, positive conditional: 433, positive unconditional: 0, negative: 1828, negative conditional: 175, negative unconditional: 1653, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2261, positive: 433, positive conditional: 433, positive unconditional: 0, negative: 1828, negative conditional: 175, negative unconditional: 1653, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 37, positive: 19, positive conditional: 13, positive unconditional: 6, negative: 18, negative conditional: 6, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 109, positive: 50, positive conditional: 27, positive unconditional: 23, negative: 59, negative conditional: 9, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2261, positive: 420, positive conditional: 420, positive unconditional: 0, negative: 1822, negative conditional: 169, negative unconditional: 1653, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 836, Positive cache size: 818, Positive conditional cache size: 13, Positive unconditional cache size: 805, Negative cache size: 18, Negative conditional cache size: 6, Negative unconditional cache size: 12, Eliminated conditions: 1653, SemanticConditionEliminator.Independence Queries: [ total: 2261, positive: 433, positive conditional: 433, positive unconditional: 0, negative: 1828, negative conditional: 175, negative unconditional: 1653, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2261, positive: 433, positive conditional: 433, positive unconditional: 0, negative: 1828, negative conditional: 175, negative unconditional: 1653, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 37, positive: 19, positive conditional: 13, positive unconditional: 6, negative: 18, negative conditional: 6, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 109, positive: 50, positive conditional: 27, positive unconditional: 23, negative: 59, negative conditional: 9, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2261, positive: 420, positive conditional: 420, positive unconditional: 0, negative: 1822, negative conditional: 169, negative unconditional: 1653, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 836, Positive cache size: 818, Positive conditional cache size: 13, Positive unconditional cache size: 805, Negative cache size: 18, Negative conditional cache size: 6, Negative unconditional cache size: 12, Eliminated conditions: 1653 ], Maximal queried relation: 4, Independence queries for same thread: 2337 - 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, 108 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2901.9ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7.9ms, PartialOrderReductionTime: 2065.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 40, 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: 22.3ms SsaConstructionTime, 163.9ms SatisfiabilityAnalysisTime, 461.1ms InterpolantComputationTime, 272 NumberOfCodeBlocks, 272 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 268 ConstructedInterpolants, 0 QuantifiedInterpolants, 823 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...