/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe035_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 12:11:51,331 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 12:11:51,333 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 12:11:51,375 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-17 12:11:51,395 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-17 12:11:51,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-17 12:11:51,399 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-17 12:11:51,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-17 12:11:51,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-17 12:11:51,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-17 12:11:51,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-17 12:11:51,411 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-17 12:11:51,413 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-17 12:11:51,418 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-17 12:11:51,418 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-17 12:11:51,421 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-17 12:11:51,427 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-17 12:11:51,447 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-17 12:11:51,448 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-17 12:11:51,448 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-17 12:11:51,452 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf [2021-06-17 12:11:51,482 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 12:11:51,482 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 12:11:51,482 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 12:11:51,483 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 12:11:51,484 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 12:11:51,484 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 12:11:51,484 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 12:11:51,484 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 12:11:51,484 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 12:11:51,484 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 12:11:51,484 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 12:11:51,485 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 12:11:51,485 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 12:11:51,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 12:11:51,485 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 12:11:51,485 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 12:11:51,485 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 12:11:51,485 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 12:11:51,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 12:11:51,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 12:11:51,486 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 12:11:51,486 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 12:11:51,486 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 12:11:51,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 12:11:51,486 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 12:11:51,487 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 12:11:51,487 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 12:11:51,487 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 12:11:51,487 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-17 12:11:51,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 12:11:51,487 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 12:11:51,487 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 12:11:51,487 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 12:11:51,488 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-17 12:11:51,488 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-17 12:11:51,488 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 12:11:51,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 12:11:51,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 12:11:51,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 12:11:51,837 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-17 12:11:51,838 INFO L275 PluginConnector]: CDTParser initialized [2021-06-17 12:11:51,839 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe035_pso.opt.i [2021-06-17 12:11:51,904 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d1534c22/851608cdb85b4084af45468c5a5ae0b4/FLAG411725e73 [2021-06-17 12:11:52,487 INFO L306 CDTParser]: Found 1 translation units. [2021-06-17 12:11:52,488 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe035_pso.opt.i [2021-06-17 12:11:52,498 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d1534c22/851608cdb85b4084af45468c5a5ae0b4/FLAG411725e73 [2021-06-17 12:11:52,894 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d1534c22/851608cdb85b4084af45468c5a5ae0b4 [2021-06-17 12:11:52,896 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 12:11:52,897 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-17 12:11:52,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-17 12:11:52,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-17 12:11:52,908 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-17 12:11:52,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.06 12:11:52" (1/1) ... [2021-06-17 12:11:52,910 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b292c94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:11:52, skipping insertion in model container [2021-06-17 12:11:52,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.06 12:11:52" (1/1) ... [2021-06-17 12:11:52,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-17 12:11:52,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-17 12:11:53,088 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/safe035_pso.opt.i[949,962] [2021-06-17 12:11:53,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-17 12:11:53,227 INFO L203 MainTranslator]: Completed pre-run [2021-06-17 12:11:53,238 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/safe035_pso.opt.i[949,962] [2021-06-17 12:11:53,300 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-17 12:11:53,373 INFO L208 MainTranslator]: Completed translation [2021-06-17 12:11:53,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:11:53 WrapperNode [2021-06-17 12:11:53,374 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-17 12:11:53,375 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 12:11:53,375 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 12:11:53,375 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 12:11:53,381 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:11:53" (1/1) ... [2021-06-17 12:11:53,410 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:11:53" (1/1) ... [2021-06-17 12:11:53,435 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 12:11:53,436 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 12:11:53,436 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 12:11:53,436 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 12:11:53,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:11:53" (1/1) ... [2021-06-17 12:11:53,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:11:53" (1/1) ... [2021-06-17 12:11:53,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:11:53" (1/1) ... [2021-06-17 12:11:53,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:11:53" (1/1) ... [2021-06-17 12:11:53,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:11:53" (1/1) ... [2021-06-17 12:11:53,466 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:11:53" (1/1) ... [2021-06-17 12:11:53,468 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:11:53" (1/1) ... [2021-06-17 12:11:53,471 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 12:11:53,471 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 12:11:53,471 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 12:11:53,472 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 12:11:53,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:11:53" (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 [2021-06-17 12:11:53,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-17 12:11:53,561 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-17 12:11:53,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-17 12:11:53,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-17 12:11:53,562 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-17 12:11:53,562 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-17 12:11:53,562 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-17 12:11:53,562 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-17 12:11:53,562 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-17 12:11:53,562 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-17 12:11:53,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-17 12:11:53,562 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-17 12:11:53,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 12:11:53,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 12:11:53,564 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-17 12:11:54,024 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 12:11:54,025 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-17 12:11:54,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 12:11:54 BoogieIcfgContainer [2021-06-17 12:11:54,028 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 12:11:54,029 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 12:11:54,029 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 12:11:54,032 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 12:11:54,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.06 12:11:52" (1/3) ... [2021-06-17 12:11:54,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d4656f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 12:11:54, skipping insertion in model container [2021-06-17 12:11:54,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 12:11:53" (2/3) ... [2021-06-17 12:11:54,034 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d4656f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 12:11:54, skipping insertion in model container [2021-06-17 12:11:54,034 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 12:11:54" (3/3) ... [2021-06-17 12:11:54,035 INFO L111 eAbstractionObserver]: Analyzing ICFG safe035_pso.opt.i [2021-06-17 12:11:54,040 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 12:11:54,040 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 12:11:54,041 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-17 12:11:54,042 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 12:11:54,078 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,078 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,078 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,078 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,078 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,079 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,079 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,079 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,082 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,082 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,082 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,082 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,083 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,083 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,083 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,083 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,084 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,085 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,085 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,085 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,089 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,090 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,090 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,090 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,091 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,091 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,091 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,092 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,092 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,092 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,092 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,093 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,093 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,093 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,093 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,093 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,095 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,096 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,096 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,096 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,101 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,101 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,101 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,101 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,104 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,104 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,104 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,104 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 12:11:54,108 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-17 12:11:54,128 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 [2021-06-17 12:11:54,194 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 12:11:54,194 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 12:11:54,195 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 12:11:54,195 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 12:11:54,195 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 12:11:54,195 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 12:11:54,196 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 12:11:54,196 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 12:11:54,474 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 12:11:54,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:11:54,480 INFO L82 PathProgramCache]: Analyzing trace with hash 1000991312, now seen corresponding path program 1 times [2021-06-17 12:11:54,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:11:54,488 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769581752] [2021-06-17 12:11:54,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:11:54,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:11:54,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 12:11:54,819 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:11:54,819 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769581752] [2021-06-17 12:11:54,820 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769581752] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 12:11:54,820 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 12:11:54,820 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-17 12:11:54,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667066601] [2021-06-17 12:11:54,824 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-17 12:11:54,825 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:11:54,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-17 12:11:54,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-17 12:11:54,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:11:54,838 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:11:54,840 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 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) [2021-06-17 12:11:54,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:11:55,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 12:11:55,677 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-17 12:11:55,678 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 12:11:55,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:11:55,678 INFO L82 PathProgramCache]: Analyzing trace with hash -732890901, now seen corresponding path program 1 times [2021-06-17 12:11:55,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:11:55,679 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514160191] [2021-06-17 12:11:55,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:11:55,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:11:55,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 12:11:55,874 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:11:55,875 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514160191] [2021-06-17 12:11:55,875 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514160191] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 12:11:55,876 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 12:11:55,876 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-17 12:11:55,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468876521] [2021-06-17 12:11:55,878 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-17 12:11:55,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:11:55,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-17 12:11:55,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-17 12:11:55,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:11:55,884 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:11:55,885 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 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) [2021-06-17 12:11:55,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 12:11:55,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:11:57,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 12:11:57,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-17 12:11:57,099 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-17 12:11:57,099 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 12:11:57,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:11:57,107 INFO L82 PathProgramCache]: Analyzing trace with hash 1393253686, now seen corresponding path program 2 times [2021-06-17 12:11:57,108 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:11:57,108 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800887903] [2021-06-17 12:11:57,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:11:57,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:11:57,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 12:11:57,293 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:11:57,293 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800887903] [2021-06-17 12:11:57,294 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800887903] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 12:11:57,294 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 12:11:57,294 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-17 12:11:57,294 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889606268] [2021-06-17 12:11:57,294 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-17 12:11:57,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:11:57,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-17 12:11:57,296 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-17 12:11:57,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:11:57,296 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:11:57,296 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 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) [2021-06-17 12:11:57,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-17 12:11:57,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-17 12:11:57,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:11:59,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-17 12:11:59,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 12:11:59,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:11:59,408 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-17 12:11:59,408 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 12:11:59,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 12:11:59,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1632058539, now seen corresponding path program 1 times [2021-06-17 12:11:59,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 12:11:59,409 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721412245] [2021-06-17 12:11:59,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 12:11:59,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 12:11:59,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 12:11:59,550 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 12:11:59,551 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721412245] [2021-06-17 12:11:59,551 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721412245] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 12:11:59,551 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 12:11:59,551 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-17 12:11:59,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596718039] [2021-06-17 12:11:59,556 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-17 12:11:59,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 12:11:59,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-17 12:11:59,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-17 12:11:59,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:11:59,557 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 12:11:59,557 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 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) [2021-06-17 12:11:59,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-17 12:11:59,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-17 12:11:59,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:11:59,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 12:12:01,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-17 12:12:01,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-17 12:12:01,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-17 12:12:01,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-17 12:12:01,950 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-17 12:12:01,958 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-17 12:12:01,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.06 12:12:01 BasicIcfg [2021-06-17 12:12:01,960 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-17 12:12:01,961 INFO L168 Benchmark]: Toolchain (without parser) took 9063.74 ms. Allocated memory was 220.2 MB in the beginning and 576.7 MB in the end (delta: 356.5 MB). Free memory was 184.3 MB in the beginning and 351.1 MB in the end (delta: -166.8 MB). Peak memory consumption was 382.4 MB. Max. memory is 8.0 GB. [2021-06-17 12:12:01,961 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 220.2 MB. Free memory is still 202.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-17 12:12:01,962 INFO L168 Benchmark]: CACSL2BoogieTranslator took 469.53 ms. Allocated memory is still 220.2 MB. Free memory was 184.1 MB in the beginning and 183.9 MB in the end (delta: 145.2 kB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-06-17 12:12:01,962 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.95 ms. Allocated memory is still 220.2 MB. Free memory was 183.9 MB in the beginning and 181.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-17 12:12:01,962 INFO L168 Benchmark]: Boogie Preprocessor took 34.88 ms. Allocated memory is still 220.2 MB. Free memory was 181.8 MB in the beginning and 179.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-17 12:12:01,963 INFO L168 Benchmark]: RCFGBuilder took 556.34 ms. Allocated memory is still 220.2 MB. Free memory was 179.7 MB in the beginning and 156.1 MB in the end (delta: 23.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2021-06-17 12:12:01,963 INFO L168 Benchmark]: TraceAbstraction took 7931.24 ms. Allocated memory was 220.2 MB in the beginning and 576.7 MB in the end (delta: 356.5 MB). Free memory was 155.6 MB in the beginning and 351.1 MB in the end (delta: -195.5 MB). Peak memory consumption was 353.5 MB. Max. memory is 8.0 GB. [2021-06-17 12:12:01,965 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 220.2 MB. Free memory is still 202.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 469.53 ms. Allocated memory is still 220.2 MB. Free memory was 184.1 MB in the beginning and 183.9 MB in the end (delta: 145.2 kB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 59.95 ms. Allocated memory is still 220.2 MB. Free memory was 183.9 MB in the beginning and 181.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 34.88 ms. Allocated memory is still 220.2 MB. Free memory was 181.8 MB in the beginning and 179.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 556.34 ms. Allocated memory is still 220.2 MB. Free memory was 179.7 MB in the beginning and 156.1 MB in the end (delta: 23.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 7931.24 ms. Allocated memory was 220.2 MB in the beginning and 576.7 MB in the end (delta: 356.5 MB). Free memory was 155.6 MB in the beginning and 351.1 MB in the end (delta: -195.5 MB). Peak memory consumption was 353.5 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: 101223, positive: 96288, positive conditional: 91800, positive unconditional: 4488, negative: 4935, negative conditional: 4875, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 96953, positive: 96288, positive conditional: 91800, positive unconditional: 4488, negative: 665, negative conditional: 605, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 96953, positive: 95518, positive conditional: 0, positive unconditional: 95518, negative: 1435, negative conditional: 0, negative unconditional: 1435, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1414, positive: 1389, positive conditional: 0, positive unconditional: 1389, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1414, positive: 1383, positive conditional: 0, positive unconditional: 1383, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 69, positive: 27, positive conditional: 21, positive unconditional: 6, negative: 42, negative conditional: 17, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 222, positive: 66, positive conditional: 39, positive unconditional: 27, negative: 156, negative conditional: 41, negative unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 96953, positive: 94129, positive conditional: 0, positive unconditional: 94129, negative: 1410, negative conditional: 0, negative unconditional: 1410, unknown: 1414, unknown conditional: 0, unknown unconditional: 1414] , Statistics on independence cache: Total cache size (in pairs): 1452, Positive cache size: 1410, Positive conditional cache size: 21, Positive unconditional cache size: 1389, Negative cache size: 42, Negative conditional cache size: 17, Negative unconditional cache size: 25, SemanticConditionEliminator.Independence Queries: [ total: 3985, positive: 770, positive conditional: 770, positive unconditional: 0, negative: 3215, negative conditional: 319, negative unconditional: 2896, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3985, positive: 770, positive conditional: 770, positive unconditional: 0, negative: 3215, negative conditional: 319, negative unconditional: 2896, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 69, positive: 27, positive conditional: 21, positive unconditional: 6, negative: 42, negative conditional: 17, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 222, positive: 66, positive conditional: 39, positive unconditional: 27, negative: 156, negative conditional: 41, negative unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3985, positive: 749, positive conditional: 749, positive unconditional: 0, negative: 3198, negative conditional: 302, negative unconditional: 2896, unknown: 38, unknown conditional: 38, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1452, Positive cache size: 1410, Positive conditional cache size: 21, Positive unconditional cache size: 1389, Negative cache size: 42, Negative conditional cache size: 17, Negative unconditional cache size: 25, Eliminated conditions: 2790, SemanticConditionEliminator.Independence Queries: [ total: 3985, positive: 770, positive conditional: 770, positive unconditional: 0, negative: 3215, negative conditional: 319, negative unconditional: 2896, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3985, positive: 770, positive conditional: 770, positive unconditional: 0, negative: 3215, negative conditional: 319, negative unconditional: 2896, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 69, positive: 27, positive conditional: 21, positive unconditional: 6, negative: 42, negative conditional: 17, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 222, positive: 66, positive conditional: 39, positive unconditional: 27, negative: 156, negative conditional: 41, negative unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3985, positive: 749, positive conditional: 749, positive unconditional: 0, negative: 3198, negative conditional: 302, negative unconditional: 2896, unknown: 38, unknown conditional: 38, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1452, Positive cache size: 1410, Positive conditional cache size: 21, Positive unconditional cache size: 1389, Negative cache size: 42, Negative conditional cache size: 17, Negative unconditional cache size: 25, Eliminated conditions: 2790, SemanticConditionEliminator.Independence Queries: [ total: 3985, positive: 770, positive conditional: 770, positive unconditional: 0, negative: 3215, negative conditional: 319, negative unconditional: 2896, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3985, positive: 770, positive conditional: 770, positive unconditional: 0, negative: 3215, negative conditional: 319, negative unconditional: 2896, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 69, positive: 27, positive conditional: 21, positive unconditional: 6, negative: 42, negative conditional: 17, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 222, positive: 66, positive conditional: 39, positive unconditional: 27, negative: 156, negative conditional: 41, negative unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3985, positive: 749, positive conditional: 749, positive unconditional: 0, negative: 3198, negative conditional: 302, negative unconditional: 2896, unknown: 38, unknown conditional: 38, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1452, Positive cache size: 1410, Positive conditional cache size: 21, Positive unconditional cache size: 1389, Negative cache size: 42, Negative conditional cache size: 17, Negative unconditional cache size: 25, Eliminated conditions: 2790, SemanticConditionEliminator.Independence Queries: [ total: 3985, positive: 770, positive conditional: 770, positive unconditional: 0, negative: 3215, negative conditional: 319, negative unconditional: 2896, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3985, positive: 770, positive conditional: 770, positive unconditional: 0, negative: 3215, negative conditional: 319, negative unconditional: 2896, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 69, positive: 27, positive conditional: 21, positive unconditional: 6, negative: 42, negative conditional: 17, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 222, positive: 66, positive conditional: 39, positive unconditional: 27, negative: 156, negative conditional: 41, negative unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3985, positive: 749, positive conditional: 749, positive unconditional: 0, negative: 3198, negative conditional: 302, negative unconditional: 2896, unknown: 38, unknown conditional: 38, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1452, Positive cache size: 1410, Positive conditional cache size: 21, Positive unconditional cache size: 1389, Negative cache size: 42, Negative conditional cache size: 17, Negative unconditional cache size: 25, Eliminated conditions: 2790 ], Maximal queried relation: 4, Independence queries for same thread: 4270 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 3236, Number of persistent set computation: 58442, Number of trivial persistent sets: 48110, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 101223, positive: 96288, positive conditional: 91800, positive unconditional: 4488, negative: 4935, negative conditional: 4875, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 96953, positive: 96288, positive conditional: 91800, positive unconditional: 4488, negative: 665, negative conditional: 605, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 96953, positive: 95518, positive conditional: 0, positive unconditional: 95518, negative: 1435, negative conditional: 0, negative unconditional: 1435, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1414, positive: 1389, positive conditional: 0, positive unconditional: 1389, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1414, positive: 1383, positive conditional: 0, positive unconditional: 1383, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 69, positive: 27, positive conditional: 21, positive unconditional: 6, negative: 42, negative conditional: 17, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 222, positive: 66, positive conditional: 39, positive unconditional: 27, negative: 156, negative conditional: 41, negative unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 96953, positive: 94129, positive conditional: 0, positive unconditional: 94129, negative: 1410, negative conditional: 0, negative unconditional: 1410, unknown: 1414, unknown conditional: 0, unknown unconditional: 1414] , Statistics on independence cache: Total cache size (in pairs): 1452, Positive cache size: 1410, Positive conditional cache size: 21, Positive unconditional cache size: 1389, Negative cache size: 42, Negative conditional cache size: 17, Negative unconditional cache size: 25, SemanticConditionEliminator.Independence Queries: [ total: 3985, positive: 770, positive conditional: 770, positive unconditional: 0, negative: 3215, negative conditional: 319, negative unconditional: 2896, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3985, positive: 770, positive conditional: 770, positive unconditional: 0, negative: 3215, negative conditional: 319, negative unconditional: 2896, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 69, positive: 27, positive conditional: 21, positive unconditional: 6, negative: 42, negative conditional: 17, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 222, positive: 66, positive conditional: 39, positive unconditional: 27, negative: 156, negative conditional: 41, negative unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3985, positive: 749, positive conditional: 749, positive unconditional: 0, negative: 3198, negative conditional: 302, negative unconditional: 2896, unknown: 38, unknown conditional: 38, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1452, Positive cache size: 1410, Positive conditional cache size: 21, Positive unconditional cache size: 1389, Negative cache size: 42, Negative conditional cache size: 17, Negative unconditional cache size: 25, Eliminated conditions: 2790, SemanticConditionEliminator.Independence Queries: [ total: 3985, positive: 770, positive conditional: 770, positive unconditional: 0, negative: 3215, negative conditional: 319, negative unconditional: 2896, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3985, positive: 770, positive conditional: 770, positive unconditional: 0, negative: 3215, negative conditional: 319, negative unconditional: 2896, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 69, positive: 27, positive conditional: 21, positive unconditional: 6, negative: 42, negative conditional: 17, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 222, positive: 66, positive conditional: 39, positive unconditional: 27, negative: 156, negative conditional: 41, negative unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3985, positive: 749, positive conditional: 749, positive unconditional: 0, negative: 3198, negative conditional: 302, negative unconditional: 2896, unknown: 38, unknown conditional: 38, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1452, Positive cache size: 1410, Positive conditional cache size: 21, Positive unconditional cache size: 1389, Negative cache size: 42, Negative conditional cache size: 17, Negative unconditional cache size: 25, Eliminated conditions: 2790, SemanticConditionEliminator.Independence Queries: [ total: 3985, positive: 770, positive conditional: 770, positive unconditional: 0, negative: 3215, negative conditional: 319, negative unconditional: 2896, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3985, positive: 770, positive conditional: 770, positive unconditional: 0, negative: 3215, negative conditional: 319, negative unconditional: 2896, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 69, positive: 27, positive conditional: 21, positive unconditional: 6, negative: 42, negative conditional: 17, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 222, positive: 66, positive conditional: 39, positive unconditional: 27, negative: 156, negative conditional: 41, negative unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3985, positive: 749, positive conditional: 749, positive unconditional: 0, negative: 3198, negative conditional: 302, negative unconditional: 2896, unknown: 38, unknown conditional: 38, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1452, Positive cache size: 1410, Positive conditional cache size: 21, Positive unconditional cache size: 1389, Negative cache size: 42, Negative conditional cache size: 17, Negative unconditional cache size: 25, Eliminated conditions: 2790, SemanticConditionEliminator.Independence Queries: [ total: 3985, positive: 770, positive conditional: 770, positive unconditional: 0, negative: 3215, negative conditional: 319, negative unconditional: 2896, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3985, positive: 770, positive conditional: 770, positive unconditional: 0, negative: 3215, negative conditional: 319, negative unconditional: 2896, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 69, positive: 27, positive conditional: 21, positive unconditional: 6, negative: 42, negative conditional: 17, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 222, positive: 66, positive conditional: 39, positive unconditional: 27, negative: 156, negative conditional: 41, negative unconditional: 115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 3985, positive: 749, positive conditional: 749, positive unconditional: 0, negative: 3198, negative conditional: 302, negative unconditional: 2896, unknown: 38, unknown conditional: 38, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1452, Positive cache size: 1410, Positive conditional cache size: 21, Positive unconditional cache size: 1389, Negative cache size: 42, Negative conditional cache size: 17, Negative unconditional cache size: 25, Eliminated conditions: 2790 ], Maximal queried relation: 4, Independence queries for same thread: 4270 - 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, 107 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7803.6ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.2ms, PartialOrderReductionTime: 6817.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 57, 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: 14.8ms SsaConstructionTime, 129.7ms SatisfiabilityAnalysisTime, 620.1ms InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 259 ConstructedInterpolants, 0 QuantifiedInterpolants, 1224 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...