/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepUncond-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe010_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9b7772ad7705253c1305067fc38dc9bc7271fbe3-9b7772a [2021-04-15 12:20:52,428 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-15 12:20:52,430 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-15 12:20:52,472 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-04-15 12:20:52,537 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-15 12:20:52,538 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-15 12:20:52,538 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-15 12:20:52,542 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-NewStatesSleepUncond-NoLbe.epf [2021-04-15 12:20:52,578 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-15 12:20:52,579 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-15 12:20:52,579 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-04-15 12:20:52,579 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-04-15 12:20:52,582 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-15 12:20:52,582 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-15 12:20:52,582 INFO L138 SettingsManager]: * Use SBE=true [2021-04-15 12:20:52,583 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-15 12:20:52,583 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-15 12:20:52,583 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-15 12:20:52,583 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-15 12:20:52,584 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-15 12:20:52,584 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-15 12:20:52,584 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-15 12:20:52,584 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-15 12:20:52,584 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-15 12:20:52,584 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-15 12:20:52,584 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-15 12:20:52,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-15 12:20:52,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-15 12:20:52,585 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-15 12:20:52,585 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-15 12:20:52,585 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-15 12:20:52,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-15 12:20:52,586 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-15 12:20:52,586 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-15 12:20:52,586 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-15 12:20:52,586 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-15 12:20:52,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-15 12:20:52,586 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-04-15 12:20:52,587 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-04-15 12:20:52,587 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-04-15 12:20:52,587 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-04-15 12:20:52,587 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-15 12:20:52,587 INFO L138 SettingsManager]: * Use conditional POR in concurrent analysis=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-15 12:20:52,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-15 12:20:52,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-15 12:20:52,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-15 12:20:52,927 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-15 12:20:52,928 INFO L275 PluginConnector]: CDTParser initialized [2021-04-15 12:20:52,929 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe010_tso.oepc.i [2021-04-15 12:20:52,991 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea5a7c37e/1011509d5f98490596b22652dbcf7bbc/FLAG4ba8a92b8 [2021-04-15 12:20:53,523 INFO L306 CDTParser]: Found 1 translation units. [2021-04-15 12:20:53,523 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe010_tso.oepc.i [2021-04-15 12:20:53,539 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea5a7c37e/1011509d5f98490596b22652dbcf7bbc/FLAG4ba8a92b8 [2021-04-15 12:20:53,957 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea5a7c37e/1011509d5f98490596b22652dbcf7bbc [2021-04-15 12:20:53,959 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-15 12:20:53,960 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-15 12:20:53,963 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-15 12:20:53,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-15 12:20:53,967 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-15 12:20:53,967 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 12:20:53" (1/1) ... [2021-04-15 12:20:53,968 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b83a7c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 12:20:53, skipping insertion in model container [2021-04-15 12:20:53,968 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.04 12:20:53" (1/1) ... [2021-04-15 12:20:53,981 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-15 12:20:54,030 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-15 12:20:54,185 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe010_tso.oepc.i[950,963] [2021-04-15 12:20:54,338 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-15 12:20:54,345 INFO L203 MainTranslator]: Completed pre-run [2021-04-15 12:20:54,354 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe010_tso.oepc.i[950,963] [2021-04-15 12:20:54,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-15 12:20:54,438 INFO L208 MainTranslator]: Completed translation [2021-04-15 12:20:54,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 12:20:54 WrapperNode [2021-04-15 12:20:54,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-15 12:20:54,439 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-15 12:20:54,440 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-15 12:20:54,440 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-15 12:20:54,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 12:20:54" (1/1) ... [2021-04-15 12:20:54,457 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 12:20:54" (1/1) ... [2021-04-15 12:20:54,470 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-15 12:20:54,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-15 12:20:54,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-15 12:20:54,471 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-15 12:20:54,477 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 12:20:54" (1/1) ... [2021-04-15 12:20:54,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 12:20:54" (1/1) ... [2021-04-15 12:20:54,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 12:20:54" (1/1) ... [2021-04-15 12:20:54,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 12:20:54" (1/1) ... [2021-04-15 12:20:54,484 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 12:20:54" (1/1) ... [2021-04-15 12:20:54,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 12:20:54" (1/1) ... [2021-04-15 12:20:54,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 12:20:54" (1/1) ... [2021-04-15 12:20:54,488 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-15 12:20:54,489 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-15 12:20:54,489 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-15 12:20:54,489 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-15 12:20:54,490 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 12:20:54" (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 [2021-04-15 12:20:54,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-15 12:20:54,554 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-15 12:20:54,555 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-15 12:20:54,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-15 12:20:54,555 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-15 12:20:54,555 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-15 12:20:54,555 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-15 12:20:54,555 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-15 12:20:54,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-15 12:20:54,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-15 12:20:54,556 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-15 12:20:54,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-15 12:20:54,558 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-15 12:20:54,936 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-15 12:20:54,937 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-04-15 12:20:54,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 12:20:54 BoogieIcfgContainer [2021-04-15 12:20:54,938 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-15 12:20:54,939 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-15 12:20:54,939 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-15 12:20:54,940 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-15 12:20:54,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.04 12:20:53" (1/3) ... [2021-04-15 12:20:54,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40edc6cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 12:20:54, skipping insertion in model container [2021-04-15 12:20:54,941 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.04 12:20:54" (2/3) ... [2021-04-15 12:20:54,941 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40edc6cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.04 12:20:54, skipping insertion in model container [2021-04-15 12:20:54,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.04 12:20:54" (3/3) ... [2021-04-15 12:20:54,942 INFO L111 eAbstractionObserver]: Analyzing ICFG safe010_tso.oepc.i [2021-04-15 12:20:54,952 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-04-15 12:20:54,952 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-15 12:20:54,956 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-15 12:20:54,956 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-15 12:20:54,981 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:20:54,981 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:20:54,981 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:20:54,981 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:20:54,981 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:20:54,981 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:20:54,982 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:20:54,982 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:20:54,983 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:20:54,983 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:20:54,983 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:20:54,983 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:20:54,983 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:20:54,984 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:20:54,984 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:20:54,984 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:20:54,984 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:20:54,984 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:20:54,984 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:20:54,985 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:20:54,986 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:20:54,986 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:20:54,987 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:20:54,987 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:20:54,988 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:20:54,989 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:20:54,989 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:20:54,989 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:20:54,993 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:20:54,993 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:20:54,994 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:20:54,994 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-15 12:20:54,995 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-15 12:20:55,010 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-04-15 12:20:55,049 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-15 12:20:55,049 INFO L377 AbstractCegarLoop]: Hoare is true [2021-04-15 12:20:55,049 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-15 12:20:55,049 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-15 12:20:55,049 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-15 12:20:55,049 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-15 12:20:55,049 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-15 12:20:55,049 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-15 12:20:55,090 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 12:20:55,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 12:20:55,094 INFO L82 PathProgramCache]: Analyzing trace with hash -44583033, now seen corresponding path program 1 times [2021-04-15 12:20:55,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 12:20:55,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262077887] [2021-04-15 12:20:55,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 12:20:55,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 12:20:55,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 12:20:55,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262077887] [2021-04-15 12:20:55,243 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 12:20:55,243 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-15 12:20:55,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155278802] [2021-04-15 12:20:55,247 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-04-15 12:20:55,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 12:20:55,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-04-15 12:20:55,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-04-15 12:20:55,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 12:20:55,260 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 12:20:55,261 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-15 12:20:55,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 12:20:55,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 12:20:55,269 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-15 12:20:55,270 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 12:20:55,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 12:20:55,270 INFO L82 PathProgramCache]: Analyzing trace with hash -614426867, now seen corresponding path program 1 times [2021-04-15 12:20:55,270 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 12:20:55,271 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676756131] [2021-04-15 12:20:55,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 12:20:55,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 12:20:55,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 12:20:55,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676756131] [2021-04-15 12:20:55,490 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 12:20:55,490 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-15 12:20:55,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713261329] [2021-04-15 12:20:55,491 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-15 12:20:55,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 12:20:55,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-15 12:20:55,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-04-15 12:20:55,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 12:20:55,495 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 12:20:55,495 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 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) [2021-04-15 12:20:55,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 12:20:55,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 12:20:55,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 12:20:55,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-15 12:20:55,751 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-15 12:20:55,751 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 12:20:55,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 12:20:55,752 INFO L82 PathProgramCache]: Analyzing trace with hash 334273358, now seen corresponding path program 1 times [2021-04-15 12:20:55,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 12:20:55,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011390898] [2021-04-15 12:20:55,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 12:20:55,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 12:20:55,935 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 12:20:55,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011390898] [2021-04-15 12:20:55,935 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 12:20:55,935 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-15 12:20:55,935 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620865328] [2021-04-15 12:20:55,936 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-15 12:20:55,936 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 12:20:55,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-15 12:20:55,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-04-15 12:20:55,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 12:20:55,937 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 12:20:55,937 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 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) [2021-04-15 12:20:55,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 12:20:55,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-04-15 12:20:55,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 12:20:56,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 12:20:56,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-15 12:20:56,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-15 12:20:56,093 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-15 12:20:56,093 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 12:20:56,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 12:20:56,093 INFO L82 PathProgramCache]: Analyzing trace with hash 1862052555, now seen corresponding path program 1 times [2021-04-15 12:20:56,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 12:20:56,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390305149] [2021-04-15 12:20:56,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 12:20:56,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 12:20:56,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 12:20:56,236 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390305149] [2021-04-15 12:20:56,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 12:20:56,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-15 12:20:56,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658978209] [2021-04-15 12:20:56,237 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-15 12:20:56,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 12:20:56,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-15 12:20:56,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-04-15 12:20:56,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 12:20:56,238 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 12:20:56,238 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 6 states have internal predecessors, (44), 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) [2021-04-15 12:20:56,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 12:20:56,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-04-15 12:20:56,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-04-15 12:20:56,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 12:20:56,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 12:20:56,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-15 12:20:56,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 12:20:56,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 12:20:56,495 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-15 12:20:56,495 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-15 12:20:56,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-15 12:20:56,495 INFO L82 PathProgramCache]: Analyzing trace with hash 759135817, now seen corresponding path program 2 times [2021-04-15 12:20:56,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-15 12:20:56,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70608801] [2021-04-15 12:20:56,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-15 12:20:56,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-15 12:20:56,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-15 12:20:56,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [70608801] [2021-04-15 12:20:56,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-15 12:20:56,604 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-04-15 12:20:56,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288789368] [2021-04-15 12:20:56,605 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-15 12:20:56,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-15 12:20:56,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-15 12:20:56,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-04-15 12:20:56,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 12:20:56,606 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-04-15 12:20:56,606 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 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) [2021-04-15 12:20:56,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 12:20:56,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-04-15 12:20:56,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-04-15 12:20:56,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-04-15 12:20:56,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-04-15 12:20:56,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-04-15 12:20:56,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-15 12:20:56,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-04-15 12:20:56,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-15 12:20:56,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-15 12:20:56,811 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-15 12:20:56,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.04 12:20:56 BasicIcfg [2021-04-15 12:20:56,817 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-15 12:20:56,818 INFO L168 Benchmark]: Toolchain (without parser) took 2857.24 ms. Allocated memory was 255.9 MB in the beginning and 390.1 MB in the end (delta: 134.2 MB). Free memory was 233.5 MB in the beginning and 287.2 MB in the end (delta: -53.7 MB). Peak memory consumption was 80.1 MB. Max. memory is 16.0 GB. [2021-04-15 12:20:56,818 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 255.9 MB. Free memory was 237.6 MB in the beginning and 237.5 MB in the end (delta: 161.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-15 12:20:56,819 INFO L168 Benchmark]: CACSL2BoogieTranslator took 475.65 ms. Allocated memory was 255.9 MB in the beginning and 390.1 MB in the end (delta: 134.2 MB). Free memory was 233.5 MB in the beginning and 353.6 MB in the end (delta: -120.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-04-15 12:20:56,819 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.03 ms. Allocated memory is still 390.1 MB. Free memory was 353.6 MB in the beginning and 352.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-15 12:20:56,820 INFO L168 Benchmark]: Boogie Preprocessor took 17.42 ms. Allocated memory is still 390.1 MB. Free memory was 352.0 MB in the beginning and 350.6 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-15 12:20:56,820 INFO L168 Benchmark]: RCFGBuilder took 448.73 ms. Allocated memory is still 390.1 MB. Free memory was 350.6 MB in the beginning and 368.7 MB in the end (delta: -18.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 16.0 GB. [2021-04-15 12:20:56,821 INFO L168 Benchmark]: TraceAbstraction took 1878.38 ms. Allocated memory is still 390.1 MB. Free memory was 368.7 MB in the beginning and 287.2 MB in the end (delta: 81.6 MB). Peak memory consumption was 81.3 MB. Max. memory is 16.0 GB. [2021-04-15 12:20:56,823 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 255.9 MB. Free memory was 237.6 MB in the beginning and 237.5 MB in the end (delta: 161.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 475.65 ms. Allocated memory was 255.9 MB in the beginning and 390.1 MB in the end (delta: 134.2 MB). Free memory was 233.5 MB in the beginning and 353.6 MB in the end (delta: -120.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 31.03 ms. Allocated memory is still 390.1 MB. Free memory was 353.6 MB in the beginning and 352.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 17.42 ms. Allocated memory is still 390.1 MB. Free memory was 352.0 MB in the beginning and 350.6 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 448.73 ms. Allocated memory is still 390.1 MB. Free memory was 350.6 MB in the beginning and 368.7 MB in the end (delta: -18.1 MB). Peak memory consumption was 20.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1878.38 ms. Allocated memory is still 390.1 MB. Free memory was 368.7 MB in the beginning and 287.2 MB in the end (delta: 81.6 MB). Peak memory consumption was 81.3 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3595, positive: 3466, positive conditional: 3466, positive unconditional: 0, negative: 129, negative conditional: 129, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3533, positive: 3466, positive conditional: 0, positive unconditional: 3466, negative: 67, negative conditional: 0, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 293, positive: 286, positive conditional: 0, positive unconditional: 286, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 293, positive: 285, positive conditional: 0, positive unconditional: 285, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 41, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3533, positive: 3180, positive conditional: 0, positive unconditional: 3180, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 293, unknown conditional: 0, unknown unconditional: 293] , Statistics on independence cache: Total cache size (in pairs): 293, Positive cache size: 286, Positive conditional cache size: 0, Positive unconditional cache size: 286, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Independence queries for same thread: 62 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1788.4ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.3ms, PartialOrderReductionTime: 907.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 41, 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: 12.7ms SsaConstructionTime, 130.4ms SatisfiabilityAnalysisTime, 559.9ms InterpolantComputationTime, 211 NumberOfCodeBlocks, 211 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 206 ConstructedInterpolants, 0 QuantifiedInterpolants, 562 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...