/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-DelaySleep-NoLbe-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe035_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 19:39:30,987 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 19:39:30,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 19:39:31,006 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 19:39:31,033 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-DelaySleep-NoLbe-Random521.epf [2021-06-06 19:39:31,054 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 19:39:31,055 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 19:39:31,055 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 19:39:31,055 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 19:39:31,057 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 19:39:31,057 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 19:39:31,057 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 19:39:31,057 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 19:39:31,057 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 19:39:31,057 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 19:39:31,058 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 19:39:31,058 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 19:39:31,058 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 19:39:31,058 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 19:39:31,058 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 19:39:31,058 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 19:39:31,059 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 19:39:31,059 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 19:39:31,059 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 19:39:31,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 19:39:31,059 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 19:39:31,059 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 19:39:31,059 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 19:39:31,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 19:39:31,059 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 19:39:31,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 19:39:31,060 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 19:39:31,060 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 19:39:31,060 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-06 19:39:31,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 19:39:31,060 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 19:39:31,060 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 19:39:31,060 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 19:39:31,061 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 19:39:31,061 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-06 19:39:31,061 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 19:39:31,308 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 19:39:31,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 19:39:31,327 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 19:39:31,328 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-06 19:39:31,328 INFO L275 PluginConnector]: CDTParser initialized [2021-06-06 19:39:31,329 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe035_tso.oepc.i [2021-06-06 19:39:31,377 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04ed60078/2a3a18a5bd3f487687b28c1c85352f5e/FLAG61c6b49b8 [2021-06-06 19:39:31,790 INFO L306 CDTParser]: Found 1 translation units. [2021-06-06 19:39:31,790 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe035_tso.oepc.i [2021-06-06 19:39:31,799 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04ed60078/2a3a18a5bd3f487687b28c1c85352f5e/FLAG61c6b49b8 [2021-06-06 19:39:32,162 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04ed60078/2a3a18a5bd3f487687b28c1c85352f5e [2021-06-06 19:39:32,163 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 19:39:32,164 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-06 19:39:32,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-06 19:39:32,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-06 19:39:32,168 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-06 19:39:32,169 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 07:39:32" (1/1) ... [2021-06-06 19:39:32,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e65fc57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:39:32, skipping insertion in model container [2021-06-06 19:39:32,169 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 07:39:32" (1/1) ... [2021-06-06 19:39:32,173 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-06 19:39:32,209 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-06 19:39:32,310 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe035_tso.oepc.i[950,963] [2021-06-06 19:39:32,428 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 19:39:32,434 INFO L203 MainTranslator]: Completed pre-run [2021-06-06 19:39:32,442 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe035_tso.oepc.i[950,963] [2021-06-06 19:39:32,476 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 19:39:32,514 INFO L208 MainTranslator]: Completed translation [2021-06-06 19:39:32,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:39:32 WrapperNode [2021-06-06 19:39:32,515 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-06 19:39:32,516 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 19:39:32,516 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 19:39:32,516 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 19:39:32,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:39:32" (1/1) ... [2021-06-06 19:39:32,528 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:39:32" (1/1) ... [2021-06-06 19:39:32,538 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 19:39:32,539 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 19:39:32,539 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 19:39:32,539 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 19:39:32,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:39:32" (1/1) ... [2021-06-06 19:39:32,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:39:32" (1/1) ... [2021-06-06 19:39:32,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:39:32" (1/1) ... [2021-06-06 19:39:32,545 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:39:32" (1/1) ... [2021-06-06 19:39:32,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:39:32" (1/1) ... [2021-06-06 19:39:32,549 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:39:32" (1/1) ... [2021-06-06 19:39:32,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:39:32" (1/1) ... [2021-06-06 19:39:32,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 19:39:32,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 19:39:32,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 19:39:32,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 19:39:32,553 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:39:32" (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 [2021-06-06 19:39:32,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-06 19:39:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-06 19:39:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-06 19:39:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-06 19:39:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-06 19:39:32,607 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-06 19:39:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-06 19:39:32,607 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-06 19:39:32,607 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-06 19:39:32,608 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-06 19:39:32,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-06 19:39:32,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-06 19:39:32,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 19:39:32,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 19:39:32,609 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 19:39:32,869 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 19:39:32,869 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-06 19:39:32,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 07:39:32 BoogieIcfgContainer [2021-06-06 19:39:32,870 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 19:39:32,871 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 19:39:32,871 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 19:39:32,873 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 19:39:32,873 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.06 07:39:32" (1/3) ... [2021-06-06 19:39:32,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63ca4b94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 07:39:32, skipping insertion in model container [2021-06-06 19:39:32,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:39:32" (2/3) ... [2021-06-06 19:39:32,874 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63ca4b94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 07:39:32, skipping insertion in model container [2021-06-06 19:39:32,874 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 07:39:32" (3/3) ... [2021-06-06 19:39:32,875 INFO L111 eAbstractionObserver]: Analyzing ICFG safe035_tso.oepc.i [2021-06-06 19:39:32,878 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 19:39:32,878 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 19:39:32,878 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 19:39:32,879 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 19:39:32,898 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,898 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,898 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,898 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,898 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,898 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,899 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,899 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,899 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,899 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,899 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,899 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,899 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,899 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,900 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,900 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,900 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,900 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,900 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,900 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,900 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,900 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,900 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,901 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,901 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,901 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,901 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,901 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,901 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,901 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,901 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,902 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,902 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,902 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,902 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,902 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,903 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,904 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,904 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,904 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,907 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,907 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,907 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,907 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,909 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,909 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,909 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:39:32,910 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-06 19:39:32,924 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 [2021-06-06 19:39:33,011 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 19:39:33,011 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 19:39:33,011 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 19:39:33,011 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 19:39:33,011 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 19:39:33,011 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 19:39:33,011 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 19:39:33,011 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 19:39:33,039 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 19:39:33,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 19:39:33,042 INFO L82 PathProgramCache]: Analyzing trace with hash 1393112608, now seen corresponding path program 1 times [2021-06-06 19:39:33,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 19:39:33,049 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949868966] [2021-06-06 19:39:33,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 19:39:33,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 19:39:33,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 19:39:33,324 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 19:39:33,324 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949868966] [2021-06-06 19:39:33,325 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949868966] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 19:39:33,325 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 19:39:33,325 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-06 19:39:33,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910725037] [2021-06-06 19:39:33,328 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 19:39:33,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 19:39:33,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 19:39:33,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-06 19:39:33,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 19:39:33,337 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 19:39:33,339 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 19:39:33,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 19:39:33,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 19:39:33,586 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 19:39:33,586 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 19:39:33,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 19:39:33,587 INFO L82 PathProgramCache]: Analyzing trace with hash -1799290660, now seen corresponding path program 2 times [2021-06-06 19:39:33,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 19:39:33,587 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502281817] [2021-06-06 19:39:33,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 19:39:33,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 19:39:33,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 19:39:33,723 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 19:39:33,724 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502281817] [2021-06-06 19:39:33,724 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502281817] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 19:39:33,724 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 19:39:33,724 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-06 19:39:33,724 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084163161] [2021-06-06 19:39:33,725 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 19:39:33,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 19:39:33,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 19:39:33,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-06 19:39:33,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 19:39:33,726 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 19:39:33,726 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 19:39:33,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 19:39:33,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 19:39:33,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 19:39:33,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-06 19:39:33,997 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 19:39:33,998 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 19:39:33,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 19:39:34,008 INFO L82 PathProgramCache]: Analyzing trace with hash -292568115, now seen corresponding path program 1 times [2021-06-06 19:39:34,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 19:39:34,009 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446092789] [2021-06-06 19:39:34,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 19:39:34,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 19:39:34,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 19:39:34,153 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 19:39:34,153 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446092789] [2021-06-06 19:39:34,153 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446092789] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 19:39:34,153 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 19:39:34,153 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-06 19:39:34,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059189123] [2021-06-06 19:39:34,154 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 19:39:34,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 19:39:34,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 19:39:34,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-06 19:39:34,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 19:39:34,154 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 19:39:34,155 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 19:39:34,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 19:39:34,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-06 19:39:34,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 19:39:34,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 19:39:34,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 19:39:34,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 19:39:34,973 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-06 19:39:34,973 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 19:39:34,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 19:39:34,974 INFO L82 PathProgramCache]: Analyzing trace with hash 190229320, now seen corresponding path program 3 times [2021-06-06 19:39:34,974 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 19:39:34,974 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896946145] [2021-06-06 19:39:34,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 19:39:35,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 19:39:35,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 19:39:35,089 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 19:39:35,089 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896946145] [2021-06-06 19:39:35,090 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896946145] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 19:39:35,090 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 19:39:35,090 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-06 19:39:35,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275855194] [2021-06-06 19:39:35,091 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 19:39:35,091 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 19:39:35,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 19:39:35,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-06 19:39:35,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 19:39:35,093 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 19:39:35,094 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 19:39:35,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 19:39:35,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 19:39:35,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 19:39:35,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 19:39:35,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 19:39:35,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 19:39:35,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 19:39:35,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 19:39:35,700 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-06 19:39:35,700 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 19:39:35,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 19:39:35,702 INFO L82 PathProgramCache]: Analyzing trace with hash -1049333979, now seen corresponding path program 1 times [2021-06-06 19:39:35,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 19:39:35,704 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058244052] [2021-06-06 19:39:35,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 19:39:35,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 19:39:35,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 19:39:35,805 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 19:39:35,805 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058244052] [2021-06-06 19:39:35,805 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058244052] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 19:39:35,805 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 19:39:35,805 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-06 19:39:35,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827761344] [2021-06-06 19:39:35,806 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 19:39:35,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 19:39:35,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 19:39:35,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-06 19:39:35,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 19:39:35,807 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 19:39:35,807 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 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) [2021-06-06 19:39:35,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 19:39:35,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 19:39:35,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 19:39:35,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 19:39:35,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 19:39:36,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 19:39:36,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 19:39:36,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 19:39:36,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 19:39:36,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 19:39:36,789 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-06 19:39:36,794 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 19:39:36,795 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 07:39:36 BasicIcfg [2021-06-06 19:39:36,795 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 19:39:36,796 INFO L168 Benchmark]: Toolchain (without parser) took 4631.49 ms. Allocated memory was 360.7 MB in the beginning and 820.0 MB in the end (delta: 459.3 MB). Free memory was 322.9 MB in the beginning and 522.5 MB in the end (delta: -199.6 MB). Peak memory consumption was 259.8 MB. Max. memory is 16.0 GB. [2021-06-06 19:39:36,796 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 360.7 MB. Free memory was 341.0 MB in the beginning and 340.9 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 19:39:36,796 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.00 ms. Allocated memory is still 360.7 MB. Free memory was 322.8 MB in the beginning and 321.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB. [2021-06-06 19:39:36,797 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.65 ms. Allocated memory is still 360.7 MB. Free memory was 321.3 MB in the beginning and 319.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 19:39:36,797 INFO L168 Benchmark]: Boogie Preprocessor took 13.21 ms. Allocated memory is still 360.7 MB. Free memory was 319.2 MB in the beginning and 318.2 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 19:39:36,797 INFO L168 Benchmark]: RCFGBuilder took 317.88 ms. Allocated memory is still 360.7 MB. Free memory was 318.2 MB in the beginning and 292.0 MB in the end (delta: 26.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2021-06-06 19:39:36,797 INFO L168 Benchmark]: TraceAbstraction took 3924.12 ms. Allocated memory was 360.7 MB in the beginning and 820.0 MB in the end (delta: 459.3 MB). Free memory was 292.0 MB in the beginning and 522.5 MB in the end (delta: -230.6 MB). Peak memory consumption was 229.8 MB. Max. memory is 16.0 GB. [2021-06-06 19:39:36,798 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 360.7 MB. Free memory was 341.0 MB in the beginning and 340.9 MB in the end (delta: 70.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 350.00 ms. Allocated memory is still 360.7 MB. Free memory was 322.8 MB in the beginning and 321.3 MB in the end (delta: 1.5 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 22.65 ms. Allocated memory is still 360.7 MB. Free memory was 321.3 MB in the beginning and 319.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 13.21 ms. Allocated memory is still 360.7 MB. Free memory was 319.2 MB in the beginning and 318.2 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 317.88 ms. Allocated memory is still 360.7 MB. Free memory was 318.2 MB in the beginning and 292.0 MB in the end (delta: 26.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 3924.12 ms. Allocated memory was 360.7 MB in the beginning and 820.0 MB in the end (delta: 459.3 MB). Free memory was 292.0 MB in the beginning and 522.5 MB in the end (delta: -230.6 MB). Peak memory consumption was 229.8 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: 125846, positive: 121164, positive conditional: 121164, positive unconditional: 0, negative: 4682, negative conditional: 4682, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 121990, positive: 121164, positive conditional: 121164, positive unconditional: 0, negative: 826, negative conditional: 826, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 121990, positive: 120309, positive conditional: 0, positive unconditional: 120309, negative: 1681, negative conditional: 0, negative unconditional: 1681, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 881, positive: 864, positive conditional: 0, positive unconditional: 864, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 881, positive: 858, positive conditional: 0, positive unconditional: 858, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, positive: 28, positive conditional: 22, positive unconditional: 6, negative: 33, negative conditional: 16, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, positive: 45, positive conditional: 37, positive unconditional: 8, negative: 50, negative conditional: 18, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 121990, positive: 119445, positive conditional: 0, positive unconditional: 119445, negative: 1664, negative conditional: 0, negative unconditional: 1664, unknown: 881, unknown conditional: 0, unknown unconditional: 881] , Statistics on independence cache: Total cache size (in pairs): 919, Positive cache size: 886, Positive conditional cache size: 22, Positive unconditional cache size: 864, Negative cache size: 33, Negative conditional cache size: 16, Negative unconditional cache size: 17, SemanticConditionEliminator.Independence Queries: [ total: 5618, positive: 855, positive conditional: 855, positive unconditional: 0, negative: 4763, negative conditional: 346, negative unconditional: 4417, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5618, positive: 855, positive conditional: 855, positive unconditional: 0, negative: 4763, negative conditional: 346, negative unconditional: 4417, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, positive: 28, positive conditional: 22, positive unconditional: 6, negative: 33, negative conditional: 16, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, positive: 45, positive conditional: 37, positive unconditional: 8, negative: 50, negative conditional: 18, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5618, positive: 833, positive conditional: 833, positive unconditional: 0, negative: 4747, negative conditional: 330, negative unconditional: 4417, unknown: 38, unknown conditional: 38, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 919, Positive cache size: 886, Positive conditional cache size: 22, Positive unconditional cache size: 864, Negative cache size: 33, Negative conditional cache size: 16, Negative unconditional cache size: 17, Eliminated conditions: 4417, SemanticConditionEliminator.Independence Queries: [ total: 5618, positive: 855, positive conditional: 855, positive unconditional: 0, negative: 4763, negative conditional: 346, negative unconditional: 4417, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5618, positive: 855, positive conditional: 855, positive unconditional: 0, negative: 4763, negative conditional: 346, negative unconditional: 4417, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, positive: 28, positive conditional: 22, positive unconditional: 6, negative: 33, negative conditional: 16, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, positive: 45, positive conditional: 37, positive unconditional: 8, negative: 50, negative conditional: 18, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5618, positive: 833, positive conditional: 833, positive unconditional: 0, negative: 4747, negative conditional: 330, negative unconditional: 4417, unknown: 38, unknown conditional: 38, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 919, Positive cache size: 886, Positive conditional cache size: 22, Positive unconditional cache size: 864, Negative cache size: 33, Negative conditional cache size: 16, Negative unconditional cache size: 17, Eliminated conditions: 4417, SemanticConditionEliminator.Independence Queries: [ total: 5618, positive: 855, positive conditional: 855, positive unconditional: 0, negative: 4763, negative conditional: 346, negative unconditional: 4417, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5618, positive: 855, positive conditional: 855, positive unconditional: 0, negative: 4763, negative conditional: 346, negative unconditional: 4417, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, positive: 28, positive conditional: 22, positive unconditional: 6, negative: 33, negative conditional: 16, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, positive: 45, positive conditional: 37, positive unconditional: 8, negative: 50, negative conditional: 18, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5618, positive: 833, positive conditional: 833, positive unconditional: 0, negative: 4747, negative conditional: 330, negative unconditional: 4417, unknown: 38, unknown conditional: 38, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 919, Positive cache size: 886, Positive conditional cache size: 22, Positive unconditional cache size: 864, Negative cache size: 33, Negative conditional cache size: 16, Negative unconditional cache size: 17, Eliminated conditions: 4417, SemanticConditionEliminator.Independence Queries: [ total: 5618, positive: 855, positive conditional: 855, positive unconditional: 0, negative: 4763, negative conditional: 346, negative unconditional: 4417, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5618, positive: 855, positive conditional: 855, positive unconditional: 0, negative: 4763, negative conditional: 346, negative unconditional: 4417, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, positive: 28, positive conditional: 22, positive unconditional: 6, negative: 33, negative conditional: 16, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, positive: 45, positive conditional: 37, positive unconditional: 8, negative: 50, negative conditional: 18, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5618, positive: 833, positive conditional: 833, positive unconditional: 0, negative: 4747, negative conditional: 330, negative unconditional: 4417, unknown: 38, unknown conditional: 38, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 919, Positive cache size: 886, Positive conditional cache size: 22, Positive unconditional cache size: 864, Negative cache size: 33, Negative conditional cache size: 16, Negative unconditional cache size: 17, Eliminated conditions: 4417, SemanticConditionEliminator.Independence Queries: [ total: 5618, positive: 855, positive conditional: 855, positive unconditional: 0, negative: 4763, negative conditional: 346, negative unconditional: 4417, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5618, positive: 855, positive conditional: 855, positive unconditional: 0, negative: 4763, negative conditional: 346, negative unconditional: 4417, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 61, positive: 28, positive conditional: 22, positive unconditional: 6, negative: 33, negative conditional: 16, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 95, positive: 45, positive conditional: 37, positive unconditional: 8, negative: 50, negative conditional: 18, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 5618, positive: 833, positive conditional: 833, positive unconditional: 0, negative: 4747, negative conditional: 330, negative unconditional: 4417, unknown: 38, unknown conditional: 38, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 919, Positive cache size: 886, Positive conditional cache size: 22, Positive unconditional cache size: 864, Negative cache size: 33, Negative conditional cache size: 16, Negative unconditional cache size: 17, Eliminated conditions: 4417 ], Maximal queried relation: 5, Independence queries for same thread: 3856 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 107 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3858.6ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7.7ms, PartialOrderReductionTime: 2942.7ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 63, 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: 20.6ms SsaConstructionTime, 124.5ms SatisfiabilityAnalysisTime, 555.3ms InterpolantComputationTime, 332 NumberOfCodeBlocks, 332 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 327 ConstructedInterpolants, 0 QuantifiedInterpolants, 1293 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...