/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/safe020_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 19:34:43,565 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 19:34:43,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 19:34:43,593 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 19:34:43,652 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 19:34:43,680 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 19:34:43,680 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 19:34:43,681 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 19:34:43,681 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 19:34:43,682 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 19:34:43,683 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 19:34:43,683 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 19:34:43,683 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 19:34:43,683 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 19:34:43,683 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 19:34:43,683 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 19:34:43,684 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 19:34:43,684 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 19:34:43,684 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 19:34:43,684 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 19:34:43,684 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 19:34:43,684 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 19:34:43,684 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 19:34:43,684 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 19:34:43,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 19:34:43,684 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 19:34:43,684 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 19:34:43,685 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 19:34:43,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 19:34:43,685 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 19:34:43,685 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 19:34:43,685 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 19:34:43,685 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 19:34:43,685 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-06 19:34:43,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 19:34:43,685 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 19:34:43,685 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 19:34:43,686 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 19:34:43,686 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 19:34:43,686 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-06 19:34:43,686 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 19:34:43,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 19:34:43,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 19:34:43,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 19:34:43,940 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-06 19:34:43,940 INFO L275 PluginConnector]: CDTParser initialized [2021-06-06 19:34:43,941 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe020_tso.opt.i [2021-06-06 19:34:43,992 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/291afafe7/0548a4200cee4722a0f90a23ccf98e3e/FLAG432e7ce0c [2021-06-06 19:34:44,345 INFO L306 CDTParser]: Found 1 translation units. [2021-06-06 19:34:44,345 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe020_tso.opt.i [2021-06-06 19:34:44,366 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/291afafe7/0548a4200cee4722a0f90a23ccf98e3e/FLAG432e7ce0c [2021-06-06 19:34:44,716 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/291afafe7/0548a4200cee4722a0f90a23ccf98e3e [2021-06-06 19:34:44,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 19:34:44,719 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-06 19:34:44,720 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-06 19:34:44,720 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-06 19:34:44,737 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-06 19:34:44,738 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 07:34:44" (1/1) ... [2021-06-06 19:34:44,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35088fce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:34:44, skipping insertion in model container [2021-06-06 19:34:44,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 07:34:44" (1/1) ... [2021-06-06 19:34:44,743 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-06 19:34:44,787 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-06 19:34:44,887 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/safe020_tso.opt.i[949,962] [2021-06-06 19:34:44,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 19:34:45,016 INFO L203 MainTranslator]: Completed pre-run [2021-06-06 19:34:45,023 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/safe020_tso.opt.i[949,962] [2021-06-06 19:34:45,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 19:34:45,081 INFO L208 MainTranslator]: Completed translation [2021-06-06 19:34:45,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:34:45 WrapperNode [2021-06-06 19:34:45,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-06 19:34:45,082 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 19:34:45,083 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 19:34:45,083 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 19:34:45,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:34:45" (1/1) ... [2021-06-06 19:34:45,095 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:34:45" (1/1) ... [2021-06-06 19:34:45,106 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 19:34:45,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 19:34:45,107 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 19:34:45,107 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 19:34:45,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:34:45" (1/1) ... [2021-06-06 19:34:45,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:34:45" (1/1) ... [2021-06-06 19:34:45,113 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:34:45" (1/1) ... [2021-06-06 19:34:45,114 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:34:45" (1/1) ... [2021-06-06 19:34:45,117 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:34:45" (1/1) ... [2021-06-06 19:34:45,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:34:45" (1/1) ... [2021-06-06 19:34:45,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:34:45" (1/1) ... [2021-06-06 19:34:45,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 19:34:45,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 19:34:45,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 19:34:45,121 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 19:34:45,121 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:34:45" (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 19:34:45,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-06 19:34:45,177 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-06 19:34:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-06 19:34:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-06 19:34:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-06 19:34:45,178 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-06 19:34:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-06 19:34:45,178 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-06 19:34:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-06 19:34:45,178 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-06 19:34:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-06 19:34:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-06 19:34:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 19:34:45,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 19:34:45,179 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 19:34:45,456 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 19:34:45,457 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-06 19:34:45,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 07:34:45 BoogieIcfgContainer [2021-06-06 19:34:45,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 19:34:45,459 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 19:34:45,459 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 19:34:45,461 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 19:34:45,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.06 07:34:44" (1/3) ... [2021-06-06 19:34:45,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@391307a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 07:34:45, skipping insertion in model container [2021-06-06 19:34:45,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:34:45" (2/3) ... [2021-06-06 19:34:45,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@391307a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 07:34:45, skipping insertion in model container [2021-06-06 19:34:45,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 07:34:45" (3/3) ... [2021-06-06 19:34:45,463 INFO L111 eAbstractionObserver]: Analyzing ICFG safe020_tso.opt.i [2021-06-06 19:34:45,467 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 19:34:45,467 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 19:34:45,467 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 19:34:45,468 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 19:34:45,497 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,498 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,498 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,498 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,498 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,498 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,498 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,498 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,499 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,499 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,499 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,499 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,499 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,499 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,499 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,500 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,500 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,500 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,500 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,500 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,502 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,502 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,502 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,502 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,503 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,505 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,505 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,505 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,506 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,506 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,506 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,509 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,509 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,510 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,510 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,511 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,512 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,512 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,512 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,516 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,516 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,517 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,517 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,519 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,519 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,519 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,519 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:34:45,521 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-06 19:34:45,537 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) [2021-06-06 19:34:45,594 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 19:34:45,595 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 19:34:45,595 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 19:34:45,595 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 19:34:45,595 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 19:34:45,595 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 19:34:45,595 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 19:34:45,595 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 19:34:45,650 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 19:34:45,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 19:34:45,654 INFO L82 PathProgramCache]: Analyzing trace with hash -842489055, now seen corresponding path program 1 times [2021-06-06 19:34:45,660 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 19:34:45,661 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308091208] [2021-06-06 19:34:45,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 19:34:45,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 19:34:46,014 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 19:34:46,015 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 19:34:46,015 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308091208] [2021-06-06 19:34:46,016 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308091208] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 19:34:46,017 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 19:34:46,017 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-06 19:34:46,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347623109] [2021-06-06 19:34:46,022 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-06 19:34:46,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 19:34:46,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-06 19:34:46,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-06 19:34:46,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 19:34:46,034 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 19:34:46,035 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 10.833333333333334) internal successors, (65), 6 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 19:34:46,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 19:34:46,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 19:34:46,181 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 19:34:46,181 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 19:34:46,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 19:34:46,184 INFO L82 PathProgramCache]: Analyzing trace with hash -864099338, now seen corresponding path program 1 times [2021-06-06 19:34:46,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 19:34:46,184 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144820327] [2021-06-06 19:34:46,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 19:34:46,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 19:34:46,394 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 19:34:46,395 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 19:34:46,395 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144820327] [2021-06-06 19:34:46,395 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144820327] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 19:34:46,395 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 19:34:46,395 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-06 19:34:46,395 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425893318] [2021-06-06 19:34:46,396 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-06 19:34:46,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 19:34:46,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-06 19:34:46,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-06 19:34:46,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 19:34:46,397 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 19:34:46,405 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.875) internal successors, (63), 8 states have internal predecessors, (63), 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 19:34:46,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 19:34:46,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 19:34:47,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 19:34:47,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 19:34:47,035 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 19:34:47,035 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 19:34:47,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 19:34:47,035 INFO L82 PathProgramCache]: Analyzing trace with hash -660102347, now seen corresponding path program 2 times [2021-06-06 19:34:47,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 19:34:47,036 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564154349] [2021-06-06 19:34:47,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 19:34:47,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 19:34:47,105 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 19:34:47,105 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 19:34:47,106 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564154349] [2021-06-06 19:34:47,106 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564154349] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 19:34:47,106 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 19:34:47,106 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-06 19:34:47,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802765183] [2021-06-06 19:34:47,106 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 19:34:47,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 19:34:47,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 19:34:47,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-06 19:34:47,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 19:34:47,107 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 19:34:47,107 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 19:34:47,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 19:34:47,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 19:34:47,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 19:34:47,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 19:34:47,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 19:34:47,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 19:34:47,400 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-06 19:34:47,401 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 19:34:47,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 19:34:47,401 INFO L82 PathProgramCache]: Analyzing trace with hash -1927038155, now seen corresponding path program 3 times [2021-06-06 19:34:47,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 19:34:47,401 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444102627] [2021-06-06 19:34:47,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 19:34:47,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 19:34:47,508 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 19:34:47,508 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 19:34:47,508 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444102627] [2021-06-06 19:34:47,508 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444102627] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 19:34:47,508 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 19:34:47,508 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-06 19:34:47,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201862094] [2021-06-06 19:34:47,509 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 19:34:47,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 19:34:47,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 19:34:47,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-06 19:34:47,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 19:34:47,511 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 19:34:47,511 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 19:34:47,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 19:34:47,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 19:34:47,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-06 19:34:47,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 19:34:47,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 19:34:47,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 19:34:47,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 19:34:47,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-06 19:34:47,925 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-06 19:34:47,930 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 19:34:47,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 07:34:47 BasicIcfg [2021-06-06 19:34:47,932 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 19:34:47,932 INFO L168 Benchmark]: Toolchain (without parser) took 3213.13 ms. Allocated memory was 371.2 MB in the beginning and 448.8 MB in the end (delta: 77.6 MB). Free memory was 334.0 MB in the beginning and 200.8 MB in the end (delta: 133.1 MB). Peak memory consumption was 213.6 MB. Max. memory is 16.0 GB. [2021-06-06 19:34:47,933 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 371.2 MB. Free memory is still 351.8 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 19:34:47,933 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.59 ms. Allocated memory is still 371.2 MB. Free memory was 333.7 MB in the beginning and 334.4 MB in the end (delta: -652.4 kB). Peak memory consumption was 9.2 MB. Max. memory is 16.0 GB. [2021-06-06 19:34:47,933 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.08 ms. Allocated memory is still 371.2 MB. Free memory was 334.4 MB in the beginning and 332.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 19:34:47,933 INFO L168 Benchmark]: Boogie Preprocessor took 13.12 ms. Allocated memory is still 371.2 MB. Free memory was 332.3 MB in the beginning and 331.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 19:34:47,934 INFO L168 Benchmark]: RCFGBuilder took 337.58 ms. Allocated memory is still 371.2 MB. Free memory was 331.2 MB in the beginning and 306.1 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-06-06 19:34:47,934 INFO L168 Benchmark]: TraceAbstraction took 2472.64 ms. Allocated memory was 371.2 MB in the beginning and 448.8 MB in the end (delta: 77.6 MB). Free memory was 305.0 MB in the beginning and 200.8 MB in the end (delta: 104.2 MB). Peak memory consumption was 184.9 MB. Max. memory is 16.0 GB. [2021-06-06 19:34:47,935 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 371.2 MB. Free memory is still 351.8 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 361.59 ms. Allocated memory is still 371.2 MB. Free memory was 333.7 MB in the beginning and 334.4 MB in the end (delta: -652.4 kB). Peak memory consumption was 9.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 24.08 ms. Allocated memory is still 371.2 MB. Free memory was 334.4 MB in the beginning and 332.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 13.12 ms. Allocated memory is still 371.2 MB. Free memory was 332.3 MB in the beginning and 331.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 337.58 ms. Allocated memory is still 371.2 MB. Free memory was 331.2 MB in the beginning and 306.1 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2472.64 ms. Allocated memory was 371.2 MB in the beginning and 448.8 MB in the end (delta: 77.6 MB). Free memory was 305.0 MB in the beginning and 200.8 MB in the end (delta: 104.2 MB). Peak memory consumption was 184.9 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: 51524, positive: 49783, positive conditional: 49783, positive unconditional: 0, negative: 1741, negative conditional: 1741, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 50062, positive: 49783, positive conditional: 49783, positive unconditional: 0, negative: 279, negative conditional: 279, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 50062, positive: 49455, positive conditional: 0, positive unconditional: 49455, negative: 607, negative conditional: 0, negative unconditional: 607, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 651, positive: 641, positive conditional: 0, positive unconditional: 641, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 651, positive: 636, positive conditional: 0, positive unconditional: 636, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 15, positive conditional: 10, positive unconditional: 5, negative: 15, negative conditional: 5, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, positive: 23, positive conditional: 13, positive unconditional: 10, negative: 44, negative conditional: 5, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 50062, positive: 48814, positive conditional: 0, positive unconditional: 48814, negative: 597, negative conditional: 0, negative unconditional: 597, unknown: 651, unknown conditional: 0, unknown unconditional: 651] , Statistics on independence cache: Total cache size (in pairs): 666, Positive cache size: 651, Positive conditional cache size: 10, Positive unconditional cache size: 641, Negative cache size: 15, Negative conditional cache size: 5, Negative unconditional cache size: 10, SemanticConditionEliminator.Independence Queries: [ total: 1580, positive: 328, positive conditional: 328, positive unconditional: 0, negative: 1252, negative conditional: 110, negative unconditional: 1142, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1580, positive: 328, positive conditional: 328, positive unconditional: 0, negative: 1252, negative conditional: 110, negative unconditional: 1142, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 15, positive conditional: 10, positive unconditional: 5, negative: 15, negative conditional: 5, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, positive: 23, positive conditional: 13, positive unconditional: 10, negative: 44, negative conditional: 5, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1580, positive: 318, positive conditional: 318, positive unconditional: 0, negative: 1247, negative conditional: 105, negative unconditional: 1142, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 666, Positive cache size: 651, Positive conditional cache size: 10, Positive unconditional cache size: 641, Negative cache size: 15, Negative conditional cache size: 5, Negative unconditional cache size: 10, Eliminated conditions: 1142, SemanticConditionEliminator.Independence Queries: [ total: 1580, positive: 328, positive conditional: 328, positive unconditional: 0, negative: 1252, negative conditional: 110, negative unconditional: 1142, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1580, positive: 328, positive conditional: 328, positive unconditional: 0, negative: 1252, negative conditional: 110, negative unconditional: 1142, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 15, positive conditional: 10, positive unconditional: 5, negative: 15, negative conditional: 5, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, positive: 23, positive conditional: 13, positive unconditional: 10, negative: 44, negative conditional: 5, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1580, positive: 318, positive conditional: 318, positive unconditional: 0, negative: 1247, negative conditional: 105, negative unconditional: 1142, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 666, Positive cache size: 651, Positive conditional cache size: 10, Positive unconditional cache size: 641, Negative cache size: 15, Negative conditional cache size: 5, Negative unconditional cache size: 10, Eliminated conditions: 1142, SemanticConditionEliminator.Independence Queries: [ total: 1580, positive: 328, positive conditional: 328, positive unconditional: 0, negative: 1252, negative conditional: 110, negative unconditional: 1142, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1580, positive: 328, positive conditional: 328, positive unconditional: 0, negative: 1252, negative conditional: 110, negative unconditional: 1142, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 15, positive conditional: 10, positive unconditional: 5, negative: 15, negative conditional: 5, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, positive: 23, positive conditional: 13, positive unconditional: 10, negative: 44, negative conditional: 5, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1580, positive: 318, positive conditional: 318, positive unconditional: 0, negative: 1247, negative conditional: 105, negative unconditional: 1142, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 666, Positive cache size: 651, Positive conditional cache size: 10, Positive unconditional cache size: 641, Negative cache size: 15, Negative conditional cache size: 5, Negative unconditional cache size: 10, Eliminated conditions: 1142, SemanticConditionEliminator.Independence Queries: [ total: 1580, positive: 328, positive conditional: 328, positive unconditional: 0, negative: 1252, negative conditional: 110, negative unconditional: 1142, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1580, positive: 328, positive conditional: 328, positive unconditional: 0, negative: 1252, negative conditional: 110, negative unconditional: 1142, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 15, positive conditional: 10, positive unconditional: 5, negative: 15, negative conditional: 5, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, positive: 23, positive conditional: 13, positive unconditional: 10, negative: 44, negative conditional: 5, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1580, positive: 318, positive conditional: 318, positive unconditional: 0, negative: 1247, negative conditional: 105, negative unconditional: 1142, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 666, Positive cache size: 651, Positive conditional cache size: 10, Positive unconditional cache size: 641, Negative cache size: 15, Negative conditional cache size: 5, Negative unconditional cache size: 10, Eliminated conditions: 1142 ], Maximal queried relation: 4, Independence queries for same thread: 1462 - 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, 104 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2372.7ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 18.5ms, PartialOrderReductionTime: 1516.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 16.3ms SsaConstructionTime, 136.0ms SatisfiabilityAnalysisTime, 511.8ms InterpolantComputationTime, 258 NumberOfCodeBlocks, 258 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 636 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...