/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe004_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 05:02:51,770 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 05:02:51,772 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 05:02:51,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 05:02:51,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 05:02:51,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 05:02:51,890 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 05:02:51,893 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe.epf [2021-07-10 05:02:51,929 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 05:02:51,929 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 05:02:51,930 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 05:02:51,930 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 05:02:51,932 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 05:02:51,933 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 05:02:51,933 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 05:02:51,933 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 05:02:51,933 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 05:02:51,933 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 05:02:51,933 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 05:02:51,933 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 05:02:51,934 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 05:02:51,934 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 05:02:51,934 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 05:02:51,934 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 05:02:51,934 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 05:02:51,934 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 05:02:51,934 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 05:02:51,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 05:02:51,935 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 05:02:51,935 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 05:02:51,935 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 05:02:51,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 05:02:51,935 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 05:02:51,935 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 05:02:51,935 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 05:02:51,935 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 05:02:51,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 05:02:51,936 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 05:02:51,936 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 05:02:51,936 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 05:02:51,936 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-10 05:02:51,936 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 05:02:52,232 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 05:02:52,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 05:02:52,263 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 05:02:52,264 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-10 05:02:52,265 INFO L275 PluginConnector]: CDTParser initialized [2021-07-10 05:02:52,265 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe004_tso.oepc.i [2021-07-10 05:02:52,323 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d884087cc/76d1697614e143cbb30339b0000cade7/FLAG3dc162e9f [2021-07-10 05:02:52,877 INFO L306 CDTParser]: Found 1 translation units. [2021-07-10 05:02:52,878 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe004_tso.oepc.i [2021-07-10 05:02:52,893 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d884087cc/76d1697614e143cbb30339b0000cade7/FLAG3dc162e9f [2021-07-10 05:02:53,330 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d884087cc/76d1697614e143cbb30339b0000cade7 [2021-07-10 05:02:53,333 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 05:02:53,334 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-10 05:02:53,338 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-10 05:02:53,338 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-10 05:02:53,344 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-10 05:02:53,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 05:02:53" (1/1) ... [2021-07-10 05:02:53,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a857941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 05:02:53, skipping insertion in model container [2021-07-10 05:02:53,346 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 05:02:53" (1/1) ... [2021-07-10 05:02:53,353 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-10 05:02:53,401 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-10 05:02:53,522 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/safe004_tso.oepc.i[950,963] [2021-07-10 05:02:53,709 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-10 05:02:53,716 INFO L203 MainTranslator]: Completed pre-run [2021-07-10 05:02:53,727 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/safe004_tso.oepc.i[950,963] [2021-07-10 05:02:53,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-10 05:02:53,804 INFO L208 MainTranslator]: Completed translation [2021-07-10 05:02:53,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 05:02:53 WrapperNode [2021-07-10 05:02:53,805 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-10 05:02:53,806 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 05:02:53,806 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 05:02:53,806 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 05:02:53,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 05:02:53" (1/1) ... [2021-07-10 05:02:53,841 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 05:02:53" (1/1) ... [2021-07-10 05:02:53,863 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 05:02:53,863 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 05:02:53,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 05:02:53,864 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 05:02:53,870 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 05:02:53" (1/1) ... [2021-07-10 05:02:53,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 05:02:53" (1/1) ... [2021-07-10 05:02:53,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 05:02:53" (1/1) ... [2021-07-10 05:02:53,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 05:02:53" (1/1) ... [2021-07-10 05:02:53,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 05:02:53" (1/1) ... [2021-07-10 05:02:53,891 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 05:02:53" (1/1) ... [2021-07-10 05:02:53,893 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 05:02:53" (1/1) ... [2021-07-10 05:02:53,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 05:02:53,895 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 05:02:53,895 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 05:02:53,895 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 05:02:53,896 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 05:02:53" (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 [2021-07-10 05:02:53,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-10 05:02:53,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-07-10 05:02:53,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-10 05:02:53,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-10 05:02:53,980 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-07-10 05:02:53,980 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-07-10 05:02:53,980 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-07-10 05:02:53,980 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-07-10 05:02:53,980 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-07-10 05:02:53,980 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-07-10 05:02:53,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-10 05:02:53,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-07-10 05:02:53,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 05:02:53,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 05:02:53,981 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 05:02:54,314 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 05:02:54,314 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-07-10 05:02:54,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 05:02:54 BoogieIcfgContainer [2021-07-10 05:02:54,316 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 05:02:54,317 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 05:02:54,317 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 05:02:54,320 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 05:02:54,320 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 05:02:53" (1/3) ... [2021-07-10 05:02:54,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6542312b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 05:02:54, skipping insertion in model container [2021-07-10 05:02:54,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 05:02:53" (2/3) ... [2021-07-10 05:02:54,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6542312b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 05:02:54, skipping insertion in model container [2021-07-10 05:02:54,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 05:02:54" (3/3) ... [2021-07-10 05:02:54,322 INFO L111 eAbstractionObserver]: Analyzing ICFG safe004_tso.oepc.i [2021-07-10 05:02:54,327 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 05:02:54,327 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 05:02:54,327 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 05:02:54,328 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 05:02:54,351 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,352 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,352 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,352 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,352 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,352 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,352 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,352 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,353 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,354 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,354 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,354 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,354 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,354 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,354 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,354 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,355 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,355 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,355 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,355 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,355 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,356 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,356 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,356 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,356 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,356 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,356 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,357 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,357 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,357 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,357 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,357 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,358 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,359 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,360 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,360 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,360 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,364 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,364 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,364 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,365 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,366 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,366 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,366 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,367 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 05:02:54,368 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-07-10 05:02:54,388 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 05:02:54,448 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 05:02:54,448 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 05:02:54,448 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 05:02:54,448 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 05:02:54,448 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 05:02:54,448 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 05:02:54,449 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 05:02:54,449 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 05:02:54,644 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 05:02:54,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:02:54,648 INFO L82 PathProgramCache]: Analyzing trace with hash -157389897, now seen corresponding path program 1 times [2021-07-10 05:02:54,655 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:02:54,656 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434393736] [2021-07-10 05:02:54,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:02:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:02:54,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:02:54,874 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:02:54,874 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434393736] [2021-07-10 05:02:54,875 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434393736] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 05:02:54,875 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 05:02:54,875 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-10 05:02:54,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606043969] [2021-07-10 05:02:54,880 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-07-10 05:02:54,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:02:54,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-07-10 05:02:54,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-07-10 05:02:54,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:02:54,903 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:02:54,910 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:02:54,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:02:54,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:02:54,925 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 05:02:54,925 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 05:02:54,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:02:54,928 INFO L82 PathProgramCache]: Analyzing trace with hash 1833038261, now seen corresponding path program 1 times [2021-07-10 05:02:54,929 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:02:54,930 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541894060] [2021-07-10 05:02:54,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:02:54,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:02:55,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:02:55,154 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:02:55,155 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541894060] [2021-07-10 05:02:55,156 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541894060] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 05:02:55,156 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 05:02:55,156 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-10 05:02:55,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037829737] [2021-07-10 05:02:55,157 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-10 05:02:55,158 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:02:55,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-10 05:02:55,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-07-10 05:02:55,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:02:55,159 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:02:55,159 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:02:55,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:02:55,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:02:55,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:02:55,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:02:55,451 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-10 05:02:55,451 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 05:02:55,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:02:55,451 INFO L82 PathProgramCache]: Analyzing trace with hash -1018282834, now seen corresponding path program 1 times [2021-07-10 05:02:55,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:02:55,452 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402393782] [2021-07-10 05:02:55,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:02:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:02:55,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:02:55,632 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:02:55,632 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402393782] [2021-07-10 05:02:55,632 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402393782] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 05:02:55,632 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 05:02:55,632 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-07-10 05:02:55,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899934103] [2021-07-10 05:02:55,633 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-10 05:02:55,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:02:55,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-10 05:02:55,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-07-10 05:02:55,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:02:55,636 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:02:55,636 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:02:55,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:02:55,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:02:55,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:02:55,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:02:55,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:02:55,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:02:55,729 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-10 05:02:55,729 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 05:02:55,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:02:55,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1241171024, now seen corresponding path program 1 times [2021-07-10 05:02:55,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:02:55,729 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800964676] [2021-07-10 05:02:55,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:02:55,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:02:55,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:02:55,844 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:02:55,844 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800964676] [2021-07-10 05:02:55,844 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800964676] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 05:02:55,845 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 05:02:55,845 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-10 05:02:55,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739034434] [2021-07-10 05:02:55,845 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-10 05:02:55,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:02:55,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-10 05:02:55,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-10 05:02:55,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:02:55,846 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:02:55,846 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:02:55,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:02:55,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:02:55,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 05:02:55,846 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:02:56,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:02:56,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:02:56,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:02:56,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:02:56,321 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-10 05:02:56,321 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 05:02:56,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 05:02:56,322 INFO L82 PathProgramCache]: Analyzing trace with hash -664261444, now seen corresponding path program 1 times [2021-07-10 05:02:56,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 05:02:56,322 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100556019] [2021-07-10 05:02:56,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 05:02:56,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 05:02:56,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 05:02:56,417 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 05:02:56,417 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100556019] [2021-07-10 05:02:56,417 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100556019] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 05:02:56,418 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 05:02:56,418 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-07-10 05:02:56,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532223223] [2021-07-10 05:02:56,418 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-10 05:02:56,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 05:02:56,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-10 05:02:56,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-10 05:02:56,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:02:56,419 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 05:02:56,419 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 8 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 05:02:56,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:02:56,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:02:56,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:02:56,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:02:56,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:02:56,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 05:02:56,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:02:56,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 05:02:56,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 05:02:56,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 05:02:56,649 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-07-10 05:02:56,659 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-10 05:02:56,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 05:02:56 BasicIcfg [2021-07-10 05:02:56,661 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-10 05:02:56,661 INFO L168 Benchmark]: Toolchain (without parser) took 3327.13 ms. Allocated memory was 185.6 MB in the beginning and 223.3 MB in the end (delta: 37.7 MB). Free memory was 148.6 MB in the beginning and 111.6 MB in the end (delta: 36.9 MB). Peak memory consumption was 75.4 MB. Max. memory is 8.0 GB. [2021-07-10 05:02:56,662 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 185.6 MB. Free memory is still 166.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 05:02:56,662 INFO L168 Benchmark]: CACSL2BoogieTranslator took 467.41 ms. Allocated memory is still 185.6 MB. Free memory was 148.4 MB in the beginning and 159.4 MB in the end (delta: -11.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-07-10 05:02:56,662 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.99 ms. Allocated memory is still 185.6 MB. Free memory was 159.4 MB in the beginning and 157.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-10 05:02:56,663 INFO L168 Benchmark]: Boogie Preprocessor took 30.99 ms. Allocated memory is still 185.6 MB. Free memory was 157.3 MB in the beginning and 156.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 05:02:56,663 INFO L168 Benchmark]: RCFGBuilder took 420.97 ms. Allocated memory is still 185.6 MB. Free memory was 155.7 MB in the beginning and 132.2 MB in the end (delta: 23.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-07-10 05:02:56,664 INFO L168 Benchmark]: TraceAbstraction took 2343.22 ms. Allocated memory was 185.6 MB in the beginning and 223.3 MB in the end (delta: 37.7 MB). Free memory was 131.6 MB in the beginning and 111.6 MB in the end (delta: 20.0 MB). Peak memory consumption was 58.8 MB. Max. memory is 8.0 GB. [2021-07-10 05:02:56,666 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 185.6 MB. Free memory is still 166.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 467.41 ms. Allocated memory is still 185.6 MB. Free memory was 148.4 MB in the beginning and 159.4 MB in the end (delta: -11.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 56.99 ms. Allocated memory is still 185.6 MB. Free memory was 159.4 MB in the beginning and 157.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 30.99 ms. Allocated memory is still 185.6 MB. Free memory was 157.3 MB in the beginning and 156.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 420.97 ms. Allocated memory is still 185.6 MB. Free memory was 155.7 MB in the beginning and 132.2 MB in the end (delta: 23.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2343.22 ms. Allocated memory was 185.6 MB in the beginning and 223.3 MB in the end (delta: 37.7 MB). Free memory was 131.6 MB in the beginning and 111.6 MB in the end (delta: 20.0 MB). Peak memory consumption was 58.8 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: 8158, positive: 8006, positive conditional: 3047, positive unconditional: 4959, negative: 152, negative conditional: 103, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 8140, positive: 8006, positive conditional: 3047, positive unconditional: 4959, negative: 134, negative conditional: 85, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 8140, positive: 7828, positive conditional: 0, positive unconditional: 7828, negative: 312, negative conditional: 0, negative unconditional: 312, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1175, positive: 1143, positive conditional: 0, positive unconditional: 1143, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1175, positive: 1137, positive conditional: 0, positive unconditional: 1137, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 38, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 24, positive conditional: 18, positive unconditional: 6, negative: 39, negative conditional: 7, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 212, positive: 58, positive conditional: 46, positive unconditional: 12, negative: 154, negative conditional: 16, negative unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8140, positive: 6685, positive conditional: 0, positive unconditional: 6685, negative: 280, negative conditional: 0, negative unconditional: 280, unknown: 1175, unknown conditional: 0, unknown unconditional: 1175] , Statistics on independence cache: Total cache size (in pairs): 1200, Positive cache size: 1161, Positive conditional cache size: 18, Positive unconditional cache size: 1143, Negative cache size: 39, Negative conditional cache size: 7, Negative unconditional cache size: 32, SemanticConditionEliminator.Independence Queries: [ total: 1034, positive: 178, positive conditional: 178, positive unconditional: 0, negative: 856, negative conditional: 30, negative unconditional: 826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1034, positive: 178, positive conditional: 178, positive unconditional: 0, negative: 856, negative conditional: 30, negative unconditional: 826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 24, positive conditional: 18, positive unconditional: 6, negative: 39, negative conditional: 7, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 212, positive: 58, positive conditional: 46, positive unconditional: 12, negative: 154, negative conditional: 16, negative unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1034, positive: 160, positive conditional: 160, positive unconditional: 0, negative: 849, negative conditional: 23, negative unconditional: 826, unknown: 25, unknown conditional: 25, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1200, Positive cache size: 1161, Positive conditional cache size: 18, Positive unconditional cache size: 1143, Negative cache size: 39, Negative conditional cache size: 7, Negative unconditional cache size: 32, Eliminated conditions: 720, SemanticConditionEliminator.Independence Queries: [ total: 1034, positive: 178, positive conditional: 178, positive unconditional: 0, negative: 856, negative conditional: 30, negative unconditional: 826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1034, positive: 178, positive conditional: 178, positive unconditional: 0, negative: 856, negative conditional: 30, negative unconditional: 826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 24, positive conditional: 18, positive unconditional: 6, negative: 39, negative conditional: 7, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 212, positive: 58, positive conditional: 46, positive unconditional: 12, negative: 154, negative conditional: 16, negative unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1034, positive: 160, positive conditional: 160, positive unconditional: 0, negative: 849, negative conditional: 23, negative unconditional: 826, unknown: 25, unknown conditional: 25, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1200, Positive cache size: 1161, Positive conditional cache size: 18, Positive unconditional cache size: 1143, Negative cache size: 39, Negative conditional cache size: 7, Negative unconditional cache size: 32, Eliminated conditions: 720, SemanticConditionEliminator.Independence Queries: [ total: 1034, positive: 178, positive conditional: 178, positive unconditional: 0, negative: 856, negative conditional: 30, negative unconditional: 826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1034, positive: 178, positive conditional: 178, positive unconditional: 0, negative: 856, negative conditional: 30, negative unconditional: 826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 24, positive conditional: 18, positive unconditional: 6, negative: 39, negative conditional: 7, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 212, positive: 58, positive conditional: 46, positive unconditional: 12, negative: 154, negative conditional: 16, negative unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1034, positive: 160, positive conditional: 160, positive unconditional: 0, negative: 849, negative conditional: 23, negative unconditional: 826, unknown: 25, unknown conditional: 25, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1200, Positive cache size: 1161, Positive conditional cache size: 18, Positive unconditional cache size: 1143, Negative cache size: 39, Negative conditional cache size: 7, Negative unconditional cache size: 32, Eliminated conditions: 720, SemanticConditionEliminator.Independence Queries: [ total: 1034, positive: 178, positive conditional: 178, positive unconditional: 0, negative: 856, negative conditional: 30, negative unconditional: 826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1034, positive: 178, positive conditional: 178, positive unconditional: 0, negative: 856, negative conditional: 30, negative unconditional: 826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 24, positive conditional: 18, positive unconditional: 6, negative: 39, negative conditional: 7, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 212, positive: 58, positive conditional: 46, positive unconditional: 12, negative: 154, negative conditional: 16, negative unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1034, positive: 160, positive conditional: 160, positive unconditional: 0, negative: 849, negative conditional: 23, negative unconditional: 826, unknown: 25, unknown conditional: 25, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1200, Positive cache size: 1161, Positive conditional cache size: 18, Positive unconditional cache size: 1143, Negative cache size: 39, Negative conditional cache size: 7, Negative unconditional cache size: 32, Eliminated conditions: 720, SemanticConditionEliminator.Independence Queries: [ total: 1034, positive: 178, positive conditional: 178, positive unconditional: 0, negative: 856, negative conditional: 30, negative unconditional: 826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1034, positive: 178, positive conditional: 178, positive unconditional: 0, negative: 856, negative conditional: 30, negative unconditional: 826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 24, positive conditional: 18, positive unconditional: 6, negative: 39, negative conditional: 7, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 212, positive: 58, positive conditional: 46, positive unconditional: 12, negative: 154, negative conditional: 16, negative unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1034, positive: 160, positive conditional: 160, positive unconditional: 0, negative: 849, negative conditional: 23, negative unconditional: 826, unknown: 25, unknown conditional: 25, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1200, Positive cache size: 1161, Positive conditional cache size: 18, Positive unconditional cache size: 1143, Negative cache size: 39, Negative conditional cache size: 7, Negative unconditional cache size: 32, Eliminated conditions: 720 ], Maximal queried relation: 5, Independence queries for same thread: 18 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 282, Number of persistent set computation: 324, Number of trivial persistent sets: 98, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8158, positive: 8006, positive conditional: 3047, positive unconditional: 4959, negative: 152, negative conditional: 103, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 8140, positive: 8006, positive conditional: 3047, positive unconditional: 4959, negative: 134, negative conditional: 85, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 8140, positive: 7828, positive conditional: 0, positive unconditional: 7828, negative: 312, negative conditional: 0, negative unconditional: 312, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1175, positive: 1143, positive conditional: 0, positive unconditional: 1143, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1175, positive: 1137, positive conditional: 0, positive unconditional: 1137, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 38, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 24, positive conditional: 18, positive unconditional: 6, negative: 39, negative conditional: 7, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 212, positive: 58, positive conditional: 46, positive unconditional: 12, negative: 154, negative conditional: 16, negative unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8140, positive: 6685, positive conditional: 0, positive unconditional: 6685, negative: 280, negative conditional: 0, negative unconditional: 280, unknown: 1175, unknown conditional: 0, unknown unconditional: 1175] , Statistics on independence cache: Total cache size (in pairs): 1200, Positive cache size: 1161, Positive conditional cache size: 18, Positive unconditional cache size: 1143, Negative cache size: 39, Negative conditional cache size: 7, Negative unconditional cache size: 32, SemanticConditionEliminator.Independence Queries: [ total: 1034, positive: 178, positive conditional: 178, positive unconditional: 0, negative: 856, negative conditional: 30, negative unconditional: 826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1034, positive: 178, positive conditional: 178, positive unconditional: 0, negative: 856, negative conditional: 30, negative unconditional: 826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 24, positive conditional: 18, positive unconditional: 6, negative: 39, negative conditional: 7, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 212, positive: 58, positive conditional: 46, positive unconditional: 12, negative: 154, negative conditional: 16, negative unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1034, positive: 160, positive conditional: 160, positive unconditional: 0, negative: 849, negative conditional: 23, negative unconditional: 826, unknown: 25, unknown conditional: 25, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1200, Positive cache size: 1161, Positive conditional cache size: 18, Positive unconditional cache size: 1143, Negative cache size: 39, Negative conditional cache size: 7, Negative unconditional cache size: 32, Eliminated conditions: 720, SemanticConditionEliminator.Independence Queries: [ total: 1034, positive: 178, positive conditional: 178, positive unconditional: 0, negative: 856, negative conditional: 30, negative unconditional: 826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1034, positive: 178, positive conditional: 178, positive unconditional: 0, negative: 856, negative conditional: 30, negative unconditional: 826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 24, positive conditional: 18, positive unconditional: 6, negative: 39, negative conditional: 7, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 212, positive: 58, positive conditional: 46, positive unconditional: 12, negative: 154, negative conditional: 16, negative unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1034, positive: 160, positive conditional: 160, positive unconditional: 0, negative: 849, negative conditional: 23, negative unconditional: 826, unknown: 25, unknown conditional: 25, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1200, Positive cache size: 1161, Positive conditional cache size: 18, Positive unconditional cache size: 1143, Negative cache size: 39, Negative conditional cache size: 7, Negative unconditional cache size: 32, Eliminated conditions: 720, SemanticConditionEliminator.Independence Queries: [ total: 1034, positive: 178, positive conditional: 178, positive unconditional: 0, negative: 856, negative conditional: 30, negative unconditional: 826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1034, positive: 178, positive conditional: 178, positive unconditional: 0, negative: 856, negative conditional: 30, negative unconditional: 826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 24, positive conditional: 18, positive unconditional: 6, negative: 39, negative conditional: 7, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 212, positive: 58, positive conditional: 46, positive unconditional: 12, negative: 154, negative conditional: 16, negative unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1034, positive: 160, positive conditional: 160, positive unconditional: 0, negative: 849, negative conditional: 23, negative unconditional: 826, unknown: 25, unknown conditional: 25, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1200, Positive cache size: 1161, Positive conditional cache size: 18, Positive unconditional cache size: 1143, Negative cache size: 39, Negative conditional cache size: 7, Negative unconditional cache size: 32, Eliminated conditions: 720, SemanticConditionEliminator.Independence Queries: [ total: 1034, positive: 178, positive conditional: 178, positive unconditional: 0, negative: 856, negative conditional: 30, negative unconditional: 826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1034, positive: 178, positive conditional: 178, positive unconditional: 0, negative: 856, negative conditional: 30, negative unconditional: 826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 24, positive conditional: 18, positive unconditional: 6, negative: 39, negative conditional: 7, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 212, positive: 58, positive conditional: 46, positive unconditional: 12, negative: 154, negative conditional: 16, negative unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1034, positive: 160, positive conditional: 160, positive unconditional: 0, negative: 849, negative conditional: 23, negative unconditional: 826, unknown: 25, unknown conditional: 25, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1200, Positive cache size: 1161, Positive conditional cache size: 18, Positive unconditional cache size: 1143, Negative cache size: 39, Negative conditional cache size: 7, Negative unconditional cache size: 32, Eliminated conditions: 720, SemanticConditionEliminator.Independence Queries: [ total: 1034, positive: 178, positive conditional: 178, positive unconditional: 0, negative: 856, negative conditional: 30, negative unconditional: 826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1034, positive: 178, positive conditional: 178, positive unconditional: 0, negative: 856, negative conditional: 30, negative unconditional: 826, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, positive: 24, positive conditional: 18, positive unconditional: 6, negative: 39, negative conditional: 7, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 212, positive: 58, positive conditional: 46, positive unconditional: 12, negative: 154, negative conditional: 16, negative unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1034, positive: 160, positive conditional: 160, positive unconditional: 0, negative: 849, negative conditional: 23, negative unconditional: 826, unknown: 25, unknown conditional: 25, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1200, Positive cache size: 1161, Positive conditional cache size: 18, Positive unconditional cache size: 1143, Negative cache size: 39, Negative conditional cache size: 7, Negative unconditional cache size: 32, Eliminated conditions: 720 ], Maximal queried relation: 5, Independence queries for same thread: 18 - 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, 106 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2256.8ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.6ms, PartialOrderReductionTime: 1282.4ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 46, 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: 17.2ms SsaConstructionTime, 154.1ms SatisfiabilityAnalysisTime, 569.1ms InterpolantComputationTime, 266 NumberOfCodeBlocks, 266 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 261 ConstructedInterpolants, 0 QuantifiedInterpolants, 1093 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...