/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe017_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788 [2021-06-02 06:33:56,548 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-02 06:33:56,556 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-02 06:33:56,598 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-02 06:33:56,652 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-02 06:33:56,652 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-02 06:33:56,653 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-02 06:33:56,654 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleepPersistent-NoLbe.epf [2021-06-02 06:33:56,691 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-02 06:33:56,691 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-02 06:33:56,692 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-02 06:33:56,692 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-02 06:33:56,694 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-02 06:33:56,694 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-02 06:33:56,694 INFO L138 SettingsManager]: * Use SBE=true [2021-06-02 06:33:56,694 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-02 06:33:56,695 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-02 06:33:56,695 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-02 06:33:56,695 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-02 06:33:56,696 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-02 06:33:56,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-02 06:33:56,696 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-02 06:33:56,696 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-02 06:33:56,696 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-02 06:33:56,696 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-02 06:33:56,696 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-02 06:33:56,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-02 06:33:56,697 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-02 06:33:56,697 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-02 06:33:56,697 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-02 06:33:56,697 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-02 06:33:56,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-02 06:33:56,697 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-02 06:33:56,697 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-02 06:33:56,697 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-02 06:33:56,697 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-02 06:33:56,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-02 06:33:56,698 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-02 06:33:56,698 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-02 06:33:56,698 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-02 06:33:56,698 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_DELAY_SET [2021-06-02 06:33:56,698 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-02 06:33:57,015 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-02 06:33:57,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-02 06:33:57,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-02 06:33:57,036 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-02 06:33:57,037 INFO L275 PluginConnector]: CDTParser initialized [2021-06-02 06:33:57,038 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe017_tso.oepc.i [2021-06-02 06:33:57,086 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a5545fef/6950e3383f3d432d88f86f34d52112f9/FLAG1d228d659 [2021-06-02 06:33:57,535 INFO L306 CDTParser]: Found 1 translation units. [2021-06-02 06:33:57,536 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe017_tso.oepc.i [2021-06-02 06:33:57,557 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a5545fef/6950e3383f3d432d88f86f34d52112f9/FLAG1d228d659 [2021-06-02 06:33:57,863 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a5545fef/6950e3383f3d432d88f86f34d52112f9 [2021-06-02 06:33:57,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-02 06:33:57,867 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-02 06:33:57,868 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-02 06:33:57,868 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-02 06:33:57,884 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-02 06:33:57,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.06 06:33:57" (1/1) ... [2021-06-02 06:33:57,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1260927a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:33:57, skipping insertion in model container [2021-06-02 06:33:57,886 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.06 06:33:57" (1/1) ... [2021-06-02 06:33:57,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-02 06:33:57,918 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-02 06:33:58,093 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/safe017_tso.oepc.i[950,963] [2021-06-02 06:33:58,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-02 06:33:58,318 INFO L203 MainTranslator]: Completed pre-run [2021-06-02 06:33:58,327 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/safe017_tso.oepc.i[950,963] [2021-06-02 06:33:58,366 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-02 06:33:58,436 INFO L208 MainTranslator]: Completed translation [2021-06-02 06:33:58,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:33:58 WrapperNode [2021-06-02 06:33:58,437 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-02 06:33:58,437 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-02 06:33:58,438 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-02 06:33:58,438 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-02 06:33:58,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:33:58" (1/1) ... [2021-06-02 06:33:58,473 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:33:58" (1/1) ... [2021-06-02 06:33:58,495 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-02 06:33:58,496 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-02 06:33:58,496 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-02 06:33:58,496 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-02 06:33:58,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:33:58" (1/1) ... [2021-06-02 06:33:58,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:33:58" (1/1) ... [2021-06-02 06:33:58,514 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:33:58" (1/1) ... [2021-06-02 06:33:58,514 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:33:58" (1/1) ... [2021-06-02 06:33:58,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:33:58" (1/1) ... [2021-06-02 06:33:58,523 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:33:58" (1/1) ... [2021-06-02 06:33:58,525 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:33:58" (1/1) ... [2021-06-02 06:33:58,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-02 06:33:58,527 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-02 06:33:58,528 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-02 06:33:58,528 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-02 06:33:58,536 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:33:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-02 06:33:58,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-02 06:33:58,618 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-02 06:33:58,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-02 06:33:58,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-02 06:33:58,619 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-02 06:33:58,619 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-02 06:33:58,619 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-02 06:33:58,619 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-02 06:33:58,619 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-02 06:33:58,619 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-02 06:33:58,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-02 06:33:58,619 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-02 06:33:58,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-02 06:33:58,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-02 06:33:58,621 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-02 06:33:59,012 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-02 06:33:59,013 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-02 06:33:59,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 06:33:59 BoogieIcfgContainer [2021-06-02 06:33:59,014 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-02 06:33:59,015 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-02 06:33:59,015 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-02 06:33:59,018 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-02 06:33:59,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.06 06:33:57" (1/3) ... [2021-06-02 06:33:59,020 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1667bf11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 06:33:59, skipping insertion in model container [2021-06-02 06:33:59,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:33:58" (2/3) ... [2021-06-02 06:33:59,021 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1667bf11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 06:33:59, skipping insertion in model container [2021-06-02 06:33:59,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 06:33:59" (3/3) ... [2021-06-02 06:33:59,022 INFO L111 eAbstractionObserver]: Analyzing ICFG safe017_tso.oepc.i [2021-06-02 06:33:59,027 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-02 06:33:59,027 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-02 06:33:59,028 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-02 06:33:59,028 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-02 06:33:59,055 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,056 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,056 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,056 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,056 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,056 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,056 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,056 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,057 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,057 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,057 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,057 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,058 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,058 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,058 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,058 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,058 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,058 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,058 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,059 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,059 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,060 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,060 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,060 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,060 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,060 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,060 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,060 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,060 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,061 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,061 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,061 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,061 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,067 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,067 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,067 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,067 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,072 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,072 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,072 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,072 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,074 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,074 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,074 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,074 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:33:59,076 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-02 06:33:59,094 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-02 06:33:59,151 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 06:33:59,151 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 06:33:59,151 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 06:33:59,151 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 06:33:59,151 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 06:33:59,152 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 06:33:59,152 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 06:33:59,152 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-02 06:33:59,420 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:33:59,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:33:59,427 INFO L82 PathProgramCache]: Analyzing trace with hash 217118883, now seen corresponding path program 1 times [2021-06-02 06:33:59,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:33:59,435 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821644470] [2021-06-02 06:33:59,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:33:59,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:33:59,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 06:33:59,848 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:33:59,849 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1821644470] [2021-06-02 06:33:59,850 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1821644470] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:33:59,850 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:33:59,851 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-02 06:33:59,851 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795339898] [2021-06-02 06:33:59,856 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-02 06:33:59,856 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:33:59,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-02 06:33:59,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-02 06:33:59,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:33:59,868 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:33:59,870 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 7 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 06:33:59,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:34:00,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 06:34:00,212 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-02 06:34:00,212 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:34:00,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:34:00,215 INFO L82 PathProgramCache]: Analyzing trace with hash -1609520906, now seen corresponding path program 1 times [2021-06-02 06:34:00,215 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:34:00,216 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417969319] [2021-06-02 06:34:00,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:34:00,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:34:00,395 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 06:34:00,396 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:34:00,397 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417969319] [2021-06-02 06:34:00,399 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417969319] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:34:00,400 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:34:00,400 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-02 06:34:00,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637620433] [2021-06-02 06:34:00,402 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-02 06:34:00,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:34:00,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-02 06:34:00,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-02 06:34:00,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:34:00,410 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:34:00,410 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.0) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 06:34:00,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-02 06:34:00,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:34:00,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 06:34:00,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:34:00,586 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-02 06:34:00,586 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:34:00,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:34:00,593 INFO L82 PathProgramCache]: Analyzing trace with hash 168388345, now seen corresponding path program 1 times [2021-06-02 06:34:00,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:34:00,594 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541605983] [2021-06-02 06:34:00,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:34:00,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:34:00,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 06:34:00,733 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:34:00,733 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541605983] [2021-06-02 06:34:00,733 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541605983] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:34:00,733 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:34:00,733 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-02 06:34:00,733 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827301491] [2021-06-02 06:34:00,734 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-02 06:34:00,734 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:34:00,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-02 06:34:00,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-02 06:34:00,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:34:00,735 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:34:00,735 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.0) internal successors, (56), 8 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) [2021-06-02 06:34:00,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-02 06:34:00,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:34:00,735 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:34:01,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-02 06:34:01,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:34:01,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-02 06:34:01,077 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-02 06:34:01,077 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:34:01,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:34:01,078 INFO L82 PathProgramCache]: Analyzing trace with hash -922651860, now seen corresponding path program 1 times [2021-06-02 06:34:01,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:34:01,078 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612518920] [2021-06-02 06:34:01,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:34:01,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:34:01,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 06:34:01,167 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:34:01,167 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612518920] [2021-06-02 06:34:01,167 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612518920] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:34:01,167 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:34:01,167 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-02 06:34:01,168 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951215129] [2021-06-02 06:34:01,168 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-02 06:34:01,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:34:01,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-02 06:34:01,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-02 06:34:01,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:34:01,169 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:34:01,169 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 7 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) [2021-06-02 06:34:01,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-02 06:34:01,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:34:01,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-02 06:34:01,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:34:01,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-02 06:34:01,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:34:01,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-02 06:34:01,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:34:01,423 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-02 06:34:01,431 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-02 06:34:01,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.06 06:34:01 BasicIcfg [2021-06-02 06:34:01,433 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-02 06:34:01,434 INFO L168 Benchmark]: Toolchain (without parser) took 3566.87 ms. Allocated memory was 341.8 MB in the beginning and 423.6 MB in the end (delta: 81.8 MB). Free memory was 305.1 MB in the beginning and 345.5 MB in the end (delta: -40.4 MB). Peak memory consumption was 184.3 MB. Max. memory is 16.0 GB. [2021-06-02 06:34:01,434 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 341.8 MB. Free memory is still 323.0 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 06:34:01,434 INFO L168 Benchmark]: CACSL2BoogieTranslator took 568.78 ms. Allocated memory is still 341.8 MB. Free memory was 304.8 MB in the beginning and 304.6 MB in the end (delta: 257.5 kB). Peak memory consumption was 9.4 MB. Max. memory is 16.0 GB. [2021-06-02 06:34:01,435 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.08 ms. Allocated memory is still 341.8 MB. Free memory was 304.6 MB in the beginning and 301.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-02 06:34:01,435 INFO L168 Benchmark]: Boogie Preprocessor took 30.81 ms. Allocated memory is still 341.8 MB. Free memory was 301.8 MB in the beginning and 300.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-02 06:34:01,436 INFO L168 Benchmark]: RCFGBuilder took 486.70 ms. Allocated memory is still 341.8 MB. Free memory was 300.4 MB in the beginning and 275.2 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-06-02 06:34:01,436 INFO L168 Benchmark]: TraceAbstraction took 2417.71 ms. Allocated memory was 341.8 MB in the beginning and 423.6 MB in the end (delta: 81.8 MB). Free memory was 275.2 MB in the beginning and 345.5 MB in the end (delta: -70.3 MB). Peak memory consumption was 154.1 MB. Max. memory is 16.0 GB. [2021-06-02 06:34:01,438 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 341.8 MB. Free memory is still 323.0 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 568.78 ms. Allocated memory is still 341.8 MB. Free memory was 304.8 MB in the beginning and 304.6 MB in the end (delta: 257.5 kB). Peak memory consumption was 9.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 58.08 ms. Allocated memory is still 341.8 MB. Free memory was 304.6 MB in the beginning and 301.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 30.81 ms. Allocated memory is still 341.8 MB. Free memory was 301.8 MB in the beginning and 300.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 486.70 ms. Allocated memory is still 341.8 MB. Free memory was 300.4 MB in the beginning and 275.2 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2417.71 ms. Allocated memory was 341.8 MB in the beginning and 423.6 MB in the end (delta: 81.8 MB). Free memory was 275.2 MB in the beginning and 345.5 MB in the end (delta: -70.3 MB). Peak memory consumption was 154.1 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: 2810, positive: 2723, positive conditional: 2723, positive unconditional: 0, negative: 87, negative conditional: 87, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2789, positive: 2723, positive conditional: 2723, positive unconditional: 0, negative: 66, negative conditional: 66, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 11705, positive: 11462, positive conditional: 0, positive unconditional: 11462, negative: 243, negative conditional: 0, negative unconditional: 243, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2454, positive: 2414, positive conditional: 0, positive unconditional: 2414, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2454, positive: 2392, positive conditional: 0, positive unconditional: 2392, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 62, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 75, positive: 31, positive conditional: 9, positive unconditional: 22, negative: 44, negative conditional: 4, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 185, positive: 96, positive conditional: 14, positive unconditional: 82, negative: 88, negative conditional: 6, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 11705, positive: 9048, positive conditional: 0, positive unconditional: 9048, negative: 203, negative conditional: 0, negative unconditional: 203, unknown: 2454, unknown conditional: 0, unknown unconditional: 2454] , Statistics on independence cache: Total cache size (in pairs): 2467, Positive cache size: 2423, Positive conditional cache size: 9, Positive unconditional cache size: 2414, Negative cache size: 44, Negative conditional cache size: 4, Negative unconditional cache size: 40, SemanticConditionEliminator.Independence Queries: [ total: 420, positive: 110, positive conditional: 110, positive unconditional: 0, negative: 310, negative conditional: 12, negative unconditional: 298, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 420, positive: 110, positive conditional: 110, positive unconditional: 0, negative: 310, negative conditional: 12, negative unconditional: 298, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 75, positive: 31, positive conditional: 9, positive unconditional: 22, negative: 44, negative conditional: 4, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 185, positive: 96, positive conditional: 14, positive unconditional: 82, negative: 88, negative conditional: 6, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 420, positive: 101, positive conditional: 101, positive unconditional: 0, negative: 306, negative conditional: 8, negative unconditional: 298, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2467, Positive cache size: 2423, Positive conditional cache size: 9, Positive unconditional cache size: 2414, Negative cache size: 44, Negative conditional cache size: 4, Negative unconditional cache size: 40, Eliminated conditions: 298, SemanticConditionEliminator.Independence Queries: [ total: 420, positive: 110, positive conditional: 110, positive unconditional: 0, negative: 310, negative conditional: 12, negative unconditional: 298, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 420, positive: 110, positive conditional: 110, positive unconditional: 0, negative: 310, negative conditional: 12, negative unconditional: 298, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 75, positive: 31, positive conditional: 9, positive unconditional: 22, negative: 44, negative conditional: 4, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 185, positive: 96, positive conditional: 14, positive unconditional: 82, negative: 88, negative conditional: 6, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 420, positive: 101, positive conditional: 101, positive unconditional: 0, negative: 306, negative conditional: 8, negative unconditional: 298, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2467, Positive cache size: 2423, Positive conditional cache size: 9, Positive unconditional cache size: 2414, Negative cache size: 44, Negative conditional cache size: 4, Negative unconditional cache size: 40, Eliminated conditions: 298, SemanticConditionEliminator.Independence Queries: [ total: 420, positive: 110, positive conditional: 110, positive unconditional: 0, negative: 310, negative conditional: 12, negative unconditional: 298, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 420, positive: 110, positive conditional: 110, positive unconditional: 0, negative: 310, negative conditional: 12, negative unconditional: 298, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 75, positive: 31, positive conditional: 9, positive unconditional: 22, negative: 44, negative conditional: 4, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 185, positive: 96, positive conditional: 14, positive unconditional: 82, negative: 88, negative conditional: 6, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 420, positive: 101, positive conditional: 101, positive unconditional: 0, negative: 306, negative conditional: 8, negative unconditional: 298, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2467, Positive cache size: 2423, Positive conditional cache size: 9, Positive unconditional cache size: 2414, Negative cache size: 44, Negative conditional cache size: 4, Negative unconditional cache size: 40, Eliminated conditions: 298, SemanticConditionEliminator.Independence Queries: [ total: 420, positive: 110, positive conditional: 110, positive unconditional: 0, negative: 310, negative conditional: 12, negative unconditional: 298, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 420, positive: 110, positive conditional: 110, positive unconditional: 0, negative: 310, negative conditional: 12, negative unconditional: 298, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 75, positive: 31, positive conditional: 9, positive unconditional: 22, negative: 44, negative conditional: 4, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 185, positive: 96, positive conditional: 14, positive unconditional: 82, negative: 88, negative conditional: 6, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 420, positive: 101, positive conditional: 101, positive unconditional: 0, negative: 306, negative conditional: 8, negative unconditional: 298, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2467, Positive cache size: 2423, Positive conditional cache size: 9, Positive unconditional cache size: 2414, Negative cache size: 44, Negative conditional cache size: 4, Negative unconditional cache size: 40, Eliminated conditions: 298 ], Maximal queried relation: 4, Independence queries for same thread: 21 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 668, Number of persistent set computation: 1026, Number of trivial persistent sets: 766, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 11705, positive: 11462, positive conditional: 0, positive unconditional: 11462, negative: 243, negative conditional: 0, negative unconditional: 243, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2454, positive: 2414, positive conditional: 0, positive unconditional: 2414, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2454, positive: 2392, positive conditional: 0, positive unconditional: 2392, negative: 62, negative conditional: 0, negative unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 62, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 40, negative conditional: 0, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 75, positive: 31, positive conditional: 9, positive unconditional: 22, negative: 44, negative conditional: 4, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 185, positive: 96, positive conditional: 14, positive unconditional: 82, negative: 88, negative conditional: 6, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 11705, positive: 9048, positive conditional: 0, positive unconditional: 9048, negative: 203, negative conditional: 0, negative unconditional: 203, unknown: 2454, unknown conditional: 0, unknown unconditional: 2454] , Statistics on independence cache: Total cache size (in pairs): 2467, Positive cache size: 2423, Positive conditional cache size: 9, Positive unconditional cache size: 2414, Negative cache size: 44, Negative conditional cache size: 4, Negative unconditional cache size: 40 - 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, 103 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2323.2ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.8ms, PartialOrderReductionTime: 1366.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 36, 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: 16.4ms SsaConstructionTime, 145.6ms SatisfiabilityAnalysisTime, 573.2ms InterpolantComputationTime, 215 NumberOfCodeBlocks, 215 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 211 ConstructedInterpolants, 0 QuantifiedInterpolants, 903 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...