/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/safe007_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788 [2021-06-02 06:30:00,949 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-02 06:30:00,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-02 06:30:00,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-02 06:30:01,039 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-02 06:30:01,040 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-02 06:30:01,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-02 06:30:01,041 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 06:30:01,073 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-02 06:30:01,073 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-02 06:30:01,074 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-02 06:30:01,074 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-02 06:30:01,076 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-02 06:30:01,076 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-02 06:30:01,076 INFO L138 SettingsManager]: * Use SBE=true [2021-06-02 06:30:01,077 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-02 06:30:01,077 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-02 06:30:01,077 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-02 06:30:01,078 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-02 06:30:01,078 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-02 06:30:01,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-02 06:30:01,078 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-02 06:30:01,078 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-02 06:30:01,078 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-02 06:30:01,079 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-02 06:30:01,079 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-02 06:30:01,079 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-02 06:30:01,079 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-02 06:30:01,079 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-02 06:30:01,079 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-02 06:30:01,079 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-02 06:30:01,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-02 06:30:01,080 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-02 06:30:01,080 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-02 06:30:01,080 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-02 06:30:01,080 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-02 06:30:01,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-02 06:30:01,080 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-02 06:30:01,080 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-02 06:30:01,080 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-02 06:30:01,081 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_DELAY_SET [2021-06-02 06:30:01,081 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-02 06:30:01,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-02 06:30:01,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-02 06:30:01,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-02 06:30:01,391 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-02 06:30:01,391 INFO L275 PluginConnector]: CDTParser initialized [2021-06-02 06:30:01,392 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe007_pso.oepc.i [2021-06-02 06:30:01,473 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/639751fc0/0ecc3df45a4c468ab83fc3bb839d35fa/FLAG46dd33320 [2021-06-02 06:30:02,078 INFO L306 CDTParser]: Found 1 translation units. [2021-06-02 06:30:02,079 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe007_pso.oepc.i [2021-06-02 06:30:02,089 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/639751fc0/0ecc3df45a4c468ab83fc3bb839d35fa/FLAG46dd33320 [2021-06-02 06:30:02,331 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/639751fc0/0ecc3df45a4c468ab83fc3bb839d35fa [2021-06-02 06:30:02,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-02 06:30:02,336 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-02 06:30:02,355 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-02 06:30:02,355 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-02 06:30:02,359 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-02 06:30:02,360 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.06 06:30:02" (1/1) ... [2021-06-02 06:30:02,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22a4ff1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:30:02, skipping insertion in model container [2021-06-02 06:30:02,361 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.06 06:30:02" (1/1) ... [2021-06-02 06:30:02,380 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-02 06:30:02,437 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-02 06:30:02,571 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/safe007_pso.oepc.i[950,963] [2021-06-02 06:30:02,760 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-02 06:30:02,767 INFO L203 MainTranslator]: Completed pre-run [2021-06-02 06:30:02,777 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/safe007_pso.oepc.i[950,963] [2021-06-02 06:30:02,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-02 06:30:02,892 INFO L208 MainTranslator]: Completed translation [2021-06-02 06:30:02,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:30:02 WrapperNode [2021-06-02 06:30:02,892 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-02 06:30:02,893 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-02 06:30:02,893 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-02 06:30:02,893 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-02 06:30:02,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:30:02" (1/1) ... [2021-06-02 06:30:02,925 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:30:02" (1/1) ... [2021-06-02 06:30:02,939 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-02 06:30:02,940 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-02 06:30:02,940 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-02 06:30:02,940 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-02 06:30:02,946 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:30:02" (1/1) ... [2021-06-02 06:30:02,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:30:02" (1/1) ... [2021-06-02 06:30:02,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:30:02" (1/1) ... [2021-06-02 06:30:02,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:30:02" (1/1) ... [2021-06-02 06:30:02,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:30:02" (1/1) ... [2021-06-02 06:30:02,955 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:30:02" (1/1) ... [2021-06-02 06:30:02,956 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:30:02" (1/1) ... [2021-06-02 06:30:02,959 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-02 06:30:02,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-02 06:30:02,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-02 06:30:02,960 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-02 06:30:02,960 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:30:02" (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 06:30:03,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-02 06:30:03,020 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-02 06:30:03,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-02 06:30:03,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-02 06:30:03,021 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-02 06:30:03,021 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-02 06:30:03,021 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-02 06:30:03,021 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-02 06:30:03,021 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-02 06:30:03,021 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-02 06:30:03,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-02 06:30:03,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-02 06:30:03,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-02 06:30:03,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-02 06:30:03,023 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 06:30:03,368 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-02 06:30:03,368 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-02 06:30:03,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 06:30:03 BoogieIcfgContainer [2021-06-02 06:30:03,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-02 06:30:03,371 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-02 06:30:03,371 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-02 06:30:03,373 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-02 06:30:03,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.06 06:30:02" (1/3) ... [2021-06-02 06:30:03,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@652035db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 06:30:03, skipping insertion in model container [2021-06-02 06:30:03,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:30:02" (2/3) ... [2021-06-02 06:30:03,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@652035db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 06:30:03, skipping insertion in model container [2021-06-02 06:30:03,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 06:30:03" (3/3) ... [2021-06-02 06:30:03,376 INFO L111 eAbstractionObserver]: Analyzing ICFG safe007_pso.oepc.i [2021-06-02 06:30:03,381 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-02 06:30:03,381 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-02 06:30:03,381 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-02 06:30:03,382 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-02 06:30:03,414 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,415 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,415 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,415 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,415 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,415 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,415 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,415 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,416 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,416 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,416 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,416 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,417 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,417 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,417 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,417 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,417 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,417 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,417 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,418 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,418 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,418 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,418 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,418 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,419 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,419 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,419 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,419 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,419 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,419 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,420 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,420 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,420 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,420 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,420 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,421 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,422 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,423 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,423 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,423 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,427 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,427 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,428 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,428 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,430 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,430 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,430 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,430 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:30:03,432 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-02 06:30:03,452 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 06:30:03,538 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 06:30:03,538 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 06:30:03,538 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 06:30:03,539 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 06:30:03,539 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 06:30:03,539 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 06:30:03,539 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 06:30:03,539 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-02 06:30:03,815 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:30:03,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:30:03,820 INFO L82 PathProgramCache]: Analyzing trace with hash 1408065288, now seen corresponding path program 1 times [2021-06-02 06:30:03,827 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:30:03,827 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491403438] [2021-06-02 06:30:03,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:30:03,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:30:04,249 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 06:30:04,249 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:30:04,249 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491403438] [2021-06-02 06:30:04,251 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491403438] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:30:04,251 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:30:04,252 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-02 06:30:04,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601928717] [2021-06-02 06:30:04,257 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-02 06:30:04,257 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:30:04,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-02 06:30:04,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-02 06:30:04,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:30:04,275 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:30:04,277 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 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 06:30:04,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:30:04,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:30:04,629 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-02 06:30:04,629 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:30:04,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:30:04,631 INFO L82 PathProgramCache]: Analyzing trace with hash -1071707319, now seen corresponding path program 1 times [2021-06-02 06:30:04,631 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:30:04,631 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772891334] [2021-06-02 06:30:04,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:30:04,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:30:04,799 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 06:30:04,800 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:30:04,800 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772891334] [2021-06-02 06:30:04,802 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772891334] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:30:04,803 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:30:04,803 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-02 06:30:04,804 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982438947] [2021-06-02 06:30:04,805 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-02 06:30:04,805 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:30:04,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-02 06:30:04,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-02 06:30:04,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:30:04,812 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:30:04,812 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 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 06:30:04,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:30:04,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:30:04,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:30:04,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:30:04,984 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-02 06:30:04,984 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:30:04,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:30:04,985 INFO L82 PathProgramCache]: Analyzing trace with hash -1141941190, now seen corresponding path program 1 times [2021-06-02 06:30:04,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:30:04,985 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241050459] [2021-06-02 06:30:04,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:30:05,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:30:05,118 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 06:30:05,119 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:30:05,119 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241050459] [2021-06-02 06:30:05,119 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241050459] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:30:05,119 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:30:05,119 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-02 06:30:05,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286015003] [2021-06-02 06:30:05,120 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-02 06:30:05,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:30:05,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-02 06:30:05,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-02 06:30:05,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:30:05,121 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:30:05,121 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 06:30:05,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:30:05,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:30:05,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:30:05,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:30:05,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:30:05,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 06:30:05,311 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-02 06:30:05,311 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:30:05,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:30:05,312 INFO L82 PathProgramCache]: Analyzing trace with hash -1217688533, now seen corresponding path program 1 times [2021-06-02 06:30:05,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:30:05,312 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [505690197] [2021-06-02 06:30:05,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:30:05,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:30:05,418 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 06:30:05,419 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:30:05,419 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [505690197] [2021-06-02 06:30:05,419 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [505690197] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:30:05,419 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:30:05,419 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-02 06:30:05,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980613926] [2021-06-02 06:30:05,420 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-02 06:30:05,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:30:05,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-02 06:30:05,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-02 06:30:05,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:30:05,421 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:30:05,421 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 06:30:05,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:30:05,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:30:05,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-02 06:30:05,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:30:05,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:30:05,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:30:05,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 06:30:05,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 06:30:05,566 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-02 06:30:05,566 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:30:05,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:30:05,566 INFO L82 PathProgramCache]: Analyzing trace with hash -1742523001, now seen corresponding path program 1 times [2021-06-02 06:30:05,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:30:05,567 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107805474] [2021-06-02 06:30:05,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:30:05,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:30:05,678 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 06:30:05,678 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:30:05,678 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107805474] [2021-06-02 06:30:05,678 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107805474] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:30:05,679 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:30:05,679 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-02 06:30:05,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458664812] [2021-06-02 06:30:05,680 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-02 06:30:05,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:30:05,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-02 06:30:05,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-02 06:30:05,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:30:05,681 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:30:05,681 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 06:30:05,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:30:05,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:30:05,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-02 06:30:05,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-02 06:30:05,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:30:06,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:30:06,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-02 06:30:06,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-02 06:30:06,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-02 06:30:06,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-02 06:30:06,990 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-02 06:30:06,997 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-02 06:30:06,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.06 06:30:06 BasicIcfg [2021-06-02 06:30:06,999 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-02 06:30:07,000 INFO L168 Benchmark]: Toolchain (without parser) took 4664.26 ms. Allocated memory was 398.5 MB in the beginning and 478.2 MB in the end (delta: 79.7 MB). Free memory was 360.0 MB in the beginning and 306.5 MB in the end (delta: 53.5 MB). Peak memory consumption was 267.9 MB. Max. memory is 16.0 GB. [2021-06-02 06:30:07,000 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 398.5 MB. Free memory was 378.1 MB in the beginning and 378.0 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 06:30:07,001 INFO L168 Benchmark]: CACSL2BoogieTranslator took 537.63 ms. Allocated memory is still 398.5 MB. Free memory was 359.8 MB in the beginning and 360.9 MB in the end (delta: -1.2 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB. [2021-06-02 06:30:07,001 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.19 ms. Allocated memory is still 398.5 MB. Free memory was 360.9 MB in the beginning and 358.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-02 06:30:07,001 INFO L168 Benchmark]: Boogie Preprocessor took 18.99 ms. Allocated memory is still 398.5 MB. Free memory was 358.2 MB in the beginning and 356.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-02 06:30:07,002 INFO L168 Benchmark]: RCFGBuilder took 410.28 ms. Allocated memory is still 398.5 MB. Free memory was 356.7 MB in the beginning and 331.6 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-06-02 06:30:07,002 INFO L168 Benchmark]: TraceAbstraction took 3628.39 ms. Allocated memory was 398.5 MB in the beginning and 478.2 MB in the end (delta: 79.7 MB). Free memory was 330.5 MB in the beginning and 306.5 MB in the end (delta: 24.1 MB). Peak memory consumption was 239.9 MB. Max. memory is 16.0 GB. [2021-06-02 06:30:07,004 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 398.5 MB. Free memory was 378.1 MB in the beginning and 378.0 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 537.63 ms. Allocated memory is still 398.5 MB. Free memory was 359.8 MB in the beginning and 360.9 MB in the end (delta: -1.2 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 46.19 ms. Allocated memory is still 398.5 MB. Free memory was 360.9 MB in the beginning and 358.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 18.99 ms. Allocated memory is still 398.5 MB. Free memory was 358.2 MB in the beginning and 356.7 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 410.28 ms. Allocated memory is still 398.5 MB. Free memory was 356.7 MB in the beginning and 331.6 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 3628.39 ms. Allocated memory was 398.5 MB in the beginning and 478.2 MB in the end (delta: 79.7 MB). Free memory was 330.5 MB in the beginning and 306.5 MB in the end (delta: 24.1 MB). Peak memory consumption was 239.9 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: 13008, positive: 12483, positive conditional: 12483, positive unconditional: 0, negative: 525, negative conditional: 525, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 12798, positive: 12483, positive conditional: 12483, positive unconditional: 0, negative: 315, negative conditional: 315, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 23914, positive: 23443, positive conditional: 0, positive unconditional: 23443, negative: 471, negative conditional: 0, negative unconditional: 471, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2723, positive: 2691, positive conditional: 0, positive unconditional: 2691, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2723, positive: 2668, positive conditional: 0, positive unconditional: 2668, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 55, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 86, positive: 35, positive conditional: 12, positive unconditional: 23, negative: 51, negative conditional: 19, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 262, positive: 118, positive conditional: 20, positive unconditional: 98, negative: 144, negative conditional: 36, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 23914, positive: 20752, positive conditional: 0, positive unconditional: 20752, negative: 439, negative conditional: 0, negative unconditional: 439, unknown: 2723, unknown conditional: 0, unknown unconditional: 2723] , Statistics on independence cache: Total cache size (in pairs): 2754, Positive cache size: 2703, Positive conditional cache size: 12, Positive unconditional cache size: 2691, Negative cache size: 51, Negative conditional cache size: 19, Negative unconditional cache size: 32, SemanticConditionEliminator.Independence Queries: [ total: 1634, positive: 90, positive conditional: 90, positive unconditional: 0, negative: 1544, negative conditional: 156, negative unconditional: 1388, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1634, positive: 90, positive conditional: 90, positive unconditional: 0, negative: 1544, negative conditional: 156, negative unconditional: 1388, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 86, positive: 35, positive conditional: 12, positive unconditional: 23, negative: 51, negative conditional: 19, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 262, positive: 118, positive conditional: 20, positive unconditional: 98, negative: 144, negative conditional: 36, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1634, positive: 78, positive conditional: 78, positive unconditional: 0, negative: 1525, negative conditional: 137, negative unconditional: 1388, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2754, Positive cache size: 2703, Positive conditional cache size: 12, Positive unconditional cache size: 2691, Negative cache size: 51, Negative conditional cache size: 19, Negative unconditional cache size: 32, Eliminated conditions: 1388, SemanticConditionEliminator.Independence Queries: [ total: 1634, positive: 90, positive conditional: 90, positive unconditional: 0, negative: 1544, negative conditional: 156, negative unconditional: 1388, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1634, positive: 90, positive conditional: 90, positive unconditional: 0, negative: 1544, negative conditional: 156, negative unconditional: 1388, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 86, positive: 35, positive conditional: 12, positive unconditional: 23, negative: 51, negative conditional: 19, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 262, positive: 118, positive conditional: 20, positive unconditional: 98, negative: 144, negative conditional: 36, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1634, positive: 78, positive conditional: 78, positive unconditional: 0, negative: 1525, negative conditional: 137, negative unconditional: 1388, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2754, Positive cache size: 2703, Positive conditional cache size: 12, Positive unconditional cache size: 2691, Negative cache size: 51, Negative conditional cache size: 19, Negative unconditional cache size: 32, Eliminated conditions: 1388, SemanticConditionEliminator.Independence Queries: [ total: 1634, positive: 90, positive conditional: 90, positive unconditional: 0, negative: 1544, negative conditional: 156, negative unconditional: 1388, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1634, positive: 90, positive conditional: 90, positive unconditional: 0, negative: 1544, negative conditional: 156, negative unconditional: 1388, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 86, positive: 35, positive conditional: 12, positive unconditional: 23, negative: 51, negative conditional: 19, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 262, positive: 118, positive conditional: 20, positive unconditional: 98, negative: 144, negative conditional: 36, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1634, positive: 78, positive conditional: 78, positive unconditional: 0, negative: 1525, negative conditional: 137, negative unconditional: 1388, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2754, Positive cache size: 2703, Positive conditional cache size: 12, Positive unconditional cache size: 2691, Negative cache size: 51, Negative conditional cache size: 19, Negative unconditional cache size: 32, Eliminated conditions: 1388, SemanticConditionEliminator.Independence Queries: [ total: 1634, positive: 90, positive conditional: 90, positive unconditional: 0, negative: 1544, negative conditional: 156, negative unconditional: 1388, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1634, positive: 90, positive conditional: 90, positive unconditional: 0, negative: 1544, negative conditional: 156, negative unconditional: 1388, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 86, positive: 35, positive conditional: 12, positive unconditional: 23, negative: 51, negative conditional: 19, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 262, positive: 118, positive conditional: 20, positive unconditional: 98, negative: 144, negative conditional: 36, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1634, positive: 78, positive conditional: 78, positive unconditional: 0, negative: 1525, negative conditional: 137, negative unconditional: 1388, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2754, Positive cache size: 2703, Positive conditional cache size: 12, Positive unconditional cache size: 2691, Negative cache size: 51, Negative conditional cache size: 19, Negative unconditional cache size: 32, Eliminated conditions: 1388, SemanticConditionEliminator.Independence Queries: [ total: 1634, positive: 90, positive conditional: 90, positive unconditional: 0, negative: 1544, negative conditional: 156, negative unconditional: 1388, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1634, positive: 90, positive conditional: 90, positive unconditional: 0, negative: 1544, negative conditional: 156, negative unconditional: 1388, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 86, positive: 35, positive conditional: 12, positive unconditional: 23, negative: 51, negative conditional: 19, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 262, positive: 118, positive conditional: 20, positive unconditional: 98, negative: 144, negative conditional: 36, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1634, positive: 78, positive conditional: 78, positive unconditional: 0, negative: 1525, negative conditional: 137, negative unconditional: 1388, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2754, Positive cache size: 2703, Positive conditional cache size: 12, Positive unconditional cache size: 2691, Negative cache size: 51, Negative conditional cache size: 19, Negative unconditional cache size: 32, Eliminated conditions: 1388 ], Maximal queried relation: 5, Independence queries for same thread: 210 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 1085, Number of persistent set computation: 2929, Number of trivial persistent sets: 1061, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 23914, positive: 23443, positive conditional: 0, positive unconditional: 23443, negative: 471, negative conditional: 0, negative unconditional: 471, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2723, positive: 2691, positive conditional: 0, positive unconditional: 2691, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2723, positive: 2668, positive conditional: 0, positive unconditional: 2668, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 55, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 86, positive: 35, positive conditional: 12, positive unconditional: 23, negative: 51, negative conditional: 19, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 262, positive: 118, positive conditional: 20, positive unconditional: 98, negative: 144, negative conditional: 36, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 23914, positive: 20752, positive conditional: 0, positive unconditional: 20752, negative: 439, negative conditional: 0, negative unconditional: 439, unknown: 2723, unknown conditional: 0, unknown unconditional: 2723] , Statistics on independence cache: Total cache size (in pairs): 2754, Positive cache size: 2703, Positive conditional cache size: 12, Positive unconditional cache size: 2691, Negative cache size: 51, Negative conditional cache size: 19, Negative unconditional cache size: 32 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 108 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3522.7ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.2ms, PartialOrderReductionTime: 2425.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 52, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 17.1ms SsaConstructionTime, 199.2ms SatisfiabilityAnalysisTime, 631.8ms InterpolantComputationTime, 273 NumberOfCodeBlocks, 273 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 268 ConstructedInterpolants, 0 QuantifiedInterpolants, 1142 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...