/usr/bin/java -Xmx8000000000 -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-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe033_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-17 08:41:08,200 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-17 08:41:08,201 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-17 08:41:08,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-17 08:41:08,279 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-17 08:41:08,280 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-17 08:41:08,280 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-17 08:41:08,297 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-NewStatesSleepPersistentFixedOrder-NoLbe-Lockstep.epf [2021-06-17 08:41:08,311 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-17 08:41:08,311 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-17 08:41:08,312 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-17 08:41:08,312 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-17 08:41:08,313 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-17 08:41:08,313 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-17 08:41:08,313 INFO L138 SettingsManager]: * Use SBE=true [2021-06-17 08:41:08,313 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-17 08:41:08,313 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-17 08:41:08,313 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-17 08:41:08,313 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-17 08:41:08,313 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-17 08:41:08,314 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-17 08:41:08,314 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-17 08:41:08,314 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-17 08:41:08,314 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-17 08:41:08,314 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-17 08:41:08,314 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-17 08:41:08,314 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-17 08:41:08,314 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-17 08:41:08,315 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-17 08:41:08,315 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-17 08:41:08,315 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-17 08:41:08,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-17 08:41:08,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-17 08:41:08,315 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-17 08:41:08,315 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-17 08:41:08,315 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-17 08:41:08,316 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-17 08:41:08,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-17 08:41:08,316 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-17 08:41:08,316 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-17 08:41:08,316 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-17 08:41:08,316 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-17 08:41:08,316 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-17 08:41:08,603 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-17 08:41:08,620 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-17 08:41:08,622 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-17 08:41:08,622 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-17 08:41:08,623 INFO L275 PluginConnector]: CDTParser initialized [2021-06-17 08:41:08,624 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe033_tso.oepc.i [2021-06-17 08:41:08,680 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90034d906/a668b9f904d641aa883a400bf35f3c67/FLAGa4d87bfdb [2021-06-17 08:41:09,214 INFO L306 CDTParser]: Found 1 translation units. [2021-06-17 08:41:09,214 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe033_tso.oepc.i [2021-06-17 08:41:09,224 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90034d906/a668b9f904d641aa883a400bf35f3c67/FLAGa4d87bfdb [2021-06-17 08:41:09,485 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/90034d906/a668b9f904d641aa883a400bf35f3c67 [2021-06-17 08:41:09,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-17 08:41:09,489 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-17 08:41:09,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-17 08:41:09,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-17 08:41:09,494 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-17 08:41:09,495 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.06 08:41:09" (1/1) ... [2021-06-17 08:41:09,496 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30cf3c54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:41:09, skipping insertion in model container [2021-06-17 08:41:09,498 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.06 08:41:09" (1/1) ... [2021-06-17 08:41:09,503 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-17 08:41:09,543 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-17 08:41:09,728 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/safe033_tso.oepc.i[950,963] [2021-06-17 08:41:09,846 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-17 08:41:09,851 INFO L203 MainTranslator]: Completed pre-run [2021-06-17 08:41:09,859 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/safe033_tso.oepc.i[950,963] [2021-06-17 08:41:09,908 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-17 08:41:09,991 INFO L208 MainTranslator]: Completed translation [2021-06-17 08:41:09,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:41:09 WrapperNode [2021-06-17 08:41:09,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-17 08:41:09,992 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-17 08:41:09,992 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-17 08:41:09,992 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-17 08:41:09,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:41:09" (1/1) ... [2021-06-17 08:41:10,017 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:41:09" (1/1) ... [2021-06-17 08:41:10,033 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-17 08:41:10,034 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-17 08:41:10,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-17 08:41:10,034 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-17 08:41:10,046 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:41:09" (1/1) ... [2021-06-17 08:41:10,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:41:09" (1/1) ... [2021-06-17 08:41:10,048 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:41:09" (1/1) ... [2021-06-17 08:41:10,049 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:41:09" (1/1) ... [2021-06-17 08:41:10,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:41:09" (1/1) ... [2021-06-17 08:41:10,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:41:09" (1/1) ... [2021-06-17 08:41:10,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:41:09" (1/1) ... [2021-06-17 08:41:10,056 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-17 08:41:10,068 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-17 08:41:10,068 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-17 08:41:10,068 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-17 08:41:10,069 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:41:09" (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 [2021-06-17 08:41:10,150 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-17 08:41:10,150 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-17 08:41:10,150 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-17 08:41:10,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-17 08:41:10,151 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-17 08:41:10,151 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-17 08:41:10,151 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-17 08:41:10,151 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-17 08:41:10,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-17 08:41:10,151 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-17 08:41:10,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-17 08:41:10,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-17 08:41:10,152 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-17 08:41:10,438 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-17 08:41:10,438 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-17 08:41:10,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 08:41:10 BoogieIcfgContainer [2021-06-17 08:41:10,439 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-17 08:41:10,440 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-17 08:41:10,440 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-17 08:41:10,442 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-17 08:41:10,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.06 08:41:09" (1/3) ... [2021-06-17 08:41:10,443 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@323c6a52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 08:41:10, skipping insertion in model container [2021-06-17 08:41:10,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.06 08:41:09" (2/3) ... [2021-06-17 08:41:10,443 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@323c6a52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.06 08:41:10, skipping insertion in model container [2021-06-17 08:41:10,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.06 08:41:10" (3/3) ... [2021-06-17 08:41:10,444 INFO L111 eAbstractionObserver]: Analyzing ICFG safe033_tso.oepc.i [2021-06-17 08:41:10,460 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-17 08:41:10,461 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-17 08:41:10,461 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-17 08:41:10,462 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-17 08:41:10,489 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:41:10,489 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:41:10,489 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:41:10,490 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:41:10,490 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:41:10,490 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:41:10,490 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:41:10,490 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:41:10,490 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:41:10,490 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:41:10,490 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:41:10,491 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:41:10,491 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:41:10,491 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:41:10,491 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:41:10,491 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:41:10,491 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:41:10,491 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:41:10,491 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:41:10,491 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:41:10,492 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:41:10,492 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:41:10,492 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:41:10,492 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:41:10,493 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:41:10,493 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:41:10,493 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:41:10,493 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:41:10,497 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:41:10,497 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:41:10,497 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:41:10,497 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-17 08:41:10,499 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-17 08:41:10,526 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-17 08:41:10,629 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-17 08:41:10,629 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-17 08:41:10,629 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-17 08:41:10,629 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-17 08:41:10,629 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-17 08:41:10,630 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-17 08:41:10,630 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-17 08:41:10,630 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-17 08:41:10,788 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 08:41:10,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 08:41:10,792 INFO L82 PathProgramCache]: Analyzing trace with hash -601063505, now seen corresponding path program 1 times [2021-06-17 08:41:10,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 08:41:10,800 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972225525] [2021-06-17 08:41:10,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 08:41:10,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 08:41:10,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 08:41:10,963 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 08:41:10,963 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972225525] [2021-06-17 08:41:10,963 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972225525] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 08:41:10,963 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 08:41:10,964 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-17 08:41:10,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485421381] [2021-06-17 08:41:10,967 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-17 08:41:10,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 08:41:10,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-17 08:41:10,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-17 08:41:10,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:41:10,978 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 08:41:10,979 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 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) [2021-06-17 08:41:10,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:41:10,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:41:10,993 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-17 08:41:10,993 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 08:41:10,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 08:41:10,994 INFO L82 PathProgramCache]: Analyzing trace with hash -400566429, now seen corresponding path program 1 times [2021-06-17 08:41:10,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 08:41:10,994 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562236942] [2021-06-17 08:41:10,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 08:41:11,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 08:41:11,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 08:41:11,138 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 08:41:11,138 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562236942] [2021-06-17 08:41:11,138 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562236942] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 08:41:11,139 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 08:41:11,139 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-17 08:41:11,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586459191] [2021-06-17 08:41:11,140 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-17 08:41:11,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 08:41:11,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-17 08:41:11,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-17 08:41:11,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:41:11,141 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 08:41:11,141 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 08:41:11,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:41:11,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:41:11,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:41:11,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 08:41:11,279 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-17 08:41:11,279 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 08:41:11,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 08:41:11,280 INFO L82 PathProgramCache]: Analyzing trace with hash 645156861, now seen corresponding path program 2 times [2021-06-17 08:41:11,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 08:41:11,280 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585789877] [2021-06-17 08:41:11,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 08:41:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 08:41:11,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 08:41:11,364 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 08:41:11,364 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585789877] [2021-06-17 08:41:11,365 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585789877] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 08:41:11,365 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 08:41:11,365 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-17 08:41:11,365 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203441971] [2021-06-17 08:41:11,365 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-17 08:41:11,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 08:41:11,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-17 08:41:11,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-17 08:41:11,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:41:11,366 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 08:41:11,366 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 08:41:11,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:41:11,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 08:41:11,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:41:11,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:41:11,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 08:41:11,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 08:41:11,620 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-17 08:41:11,621 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-17 08:41:11,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-17 08:41:11,622 INFO L82 PathProgramCache]: Analyzing trace with hash 1624099519, now seen corresponding path program 3 times [2021-06-17 08:41:11,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-17 08:41:11,622 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462912342] [2021-06-17 08:41:11,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-17 08:41:11,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-17 08:41:11,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-17 08:41:11,775 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-17 08:41:11,775 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462912342] [2021-06-17 08:41:11,775 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462912342] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-17 08:41:11,775 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-17 08:41:11,775 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-17 08:41:11,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263964627] [2021-06-17 08:41:11,776 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-17 08:41:11,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-17 08:41:11,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-17 08:41:11,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-17 08:41:11,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:41:11,777 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-17 08:41:11,777 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-17 08:41:11,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:41:11,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-17 08:41:11,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-17 08:41:11,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:41:11,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-17 08:41:11,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-17 08:41:11,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-17 08:41:11,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-17 08:41:11,947 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-17 08:41:11,963 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-17 08:41:11,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.06 08:41:11 BasicIcfg [2021-06-17 08:41:11,965 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-17 08:41:11,966 INFO L168 Benchmark]: Toolchain (without parser) took 2476.66 ms. Allocated memory was 176.2 MB in the beginning and 211.8 MB in the end (delta: 35.7 MB). Free memory was 139.0 MB in the beginning and 123.7 MB in the end (delta: 15.3 MB). Peak memory consumption was 52.4 MB. Max. memory is 8.0 GB. [2021-06-17 08:41:11,966 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 176.2 MB. Free memory is still 157.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-17 08:41:11,966 INFO L168 Benchmark]: CACSL2BoogieTranslator took 500.43 ms. Allocated memory is still 176.2 MB. Free memory was 138.9 MB in the beginning and 136.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 11.8 MB. Max. memory is 8.0 GB. [2021-06-17 08:41:11,966 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.80 ms. Allocated memory is still 176.2 MB. Free memory was 136.8 MB in the beginning and 134.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-17 08:41:11,967 INFO L168 Benchmark]: Boogie Preprocessor took 22.03 ms. Allocated memory is still 176.2 MB. Free memory was 134.9 MB in the beginning and 133.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-17 08:41:11,967 INFO L168 Benchmark]: RCFGBuilder took 371.32 ms. Allocated memory is still 176.2 MB. Free memory was 133.8 MB in the beginning and 112.8 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-06-17 08:41:11,967 INFO L168 Benchmark]: TraceAbstraction took 1524.78 ms. Allocated memory was 176.2 MB in the beginning and 211.8 MB in the end (delta: 35.7 MB). Free memory was 112.3 MB in the beginning and 123.7 MB in the end (delta: -11.4 MB). Peak memory consumption was 25.9 MB. Max. memory is 8.0 GB. [2021-06-17 08:41:11,969 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 176.2 MB. Free memory is still 157.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 500.43 ms. Allocated memory is still 176.2 MB. Free memory was 138.9 MB in the beginning and 136.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 11.8 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 40.80 ms. Allocated memory is still 176.2 MB. Free memory was 136.8 MB in the beginning and 134.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 22.03 ms. Allocated memory is still 176.2 MB. Free memory was 134.9 MB in the beginning and 133.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 371.32 ms. Allocated memory is still 176.2 MB. Free memory was 133.8 MB in the beginning and 112.8 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1524.78 ms. Allocated memory was 176.2 MB in the beginning and 211.8 MB in the end (delta: 35.7 MB). Free memory was 112.3 MB in the beginning and 123.7 MB in the end (delta: -11.4 MB). Peak memory consumption was 25.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5065, positive: 4814, positive conditional: 2172, positive unconditional: 2642, negative: 251, negative conditional: 201, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 4888, positive: 4814, positive conditional: 2172, positive unconditional: 2642, negative: 74, negative conditional: 24, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 4888, positive: 4790, positive conditional: 0, positive unconditional: 4790, negative: 98, negative conditional: 0, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 475, positive: 465, positive conditional: 0, positive unconditional: 465, 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: 475, positive: 463, positive conditional: 0, positive unconditional: 463, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12, positive: 2, positive conditional: 0, positive unconditional: 2, 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: 17, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 12, negative conditional: 2, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 86, positive: 9, positive conditional: 3, positive unconditional: 6, negative: 77, negative conditional: 5, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4888, positive: 4325, positive conditional: 0, positive unconditional: 4325, negative: 88, negative conditional: 0, negative unconditional: 88, unknown: 475, unknown conditional: 0, unknown unconditional: 475] , Statistics on independence cache: Total cache size (in pairs): 480, Positive cache size: 468, Positive conditional cache size: 3, Positive unconditional cache size: 465, Negative cache size: 12, Negative conditional cache size: 2, Negative unconditional cache size: 10, SemanticConditionEliminator.Independence Queries: [ total: 270, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 246, negative conditional: 12, negative unconditional: 234, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 270, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 246, negative conditional: 12, negative unconditional: 234, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 12, negative conditional: 2, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 86, positive: 9, positive conditional: 3, positive unconditional: 6, negative: 77, negative conditional: 5, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 270, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 244, negative conditional: 10, negative unconditional: 234, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 480, Positive cache size: 468, Positive conditional cache size: 3, Positive unconditional cache size: 465, Negative cache size: 12, Negative conditional cache size: 2, Negative unconditional cache size: 10, Eliminated conditions: 111, SemanticConditionEliminator.Independence Queries: [ total: 270, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 246, negative conditional: 12, negative unconditional: 234, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 270, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 246, negative conditional: 12, negative unconditional: 234, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 12, negative conditional: 2, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 86, positive: 9, positive conditional: 3, positive unconditional: 6, negative: 77, negative conditional: 5, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 270, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 244, negative conditional: 10, negative unconditional: 234, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 480, Positive cache size: 468, Positive conditional cache size: 3, Positive unconditional cache size: 465, Negative cache size: 12, Negative conditional cache size: 2, Negative unconditional cache size: 10, Eliminated conditions: 111, SemanticConditionEliminator.Independence Queries: [ total: 270, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 246, negative conditional: 12, negative unconditional: 234, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 270, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 246, negative conditional: 12, negative unconditional: 234, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 12, negative conditional: 2, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 86, positive: 9, positive conditional: 3, positive unconditional: 6, negative: 77, negative conditional: 5, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 270, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 244, negative conditional: 10, negative unconditional: 234, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 480, Positive cache size: 468, Positive conditional cache size: 3, Positive unconditional cache size: 465, Negative cache size: 12, Negative conditional cache size: 2, Negative unconditional cache size: 10, Eliminated conditions: 111, SemanticConditionEliminator.Independence Queries: [ total: 270, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 246, negative conditional: 12, negative unconditional: 234, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 270, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 246, negative conditional: 12, negative unconditional: 234, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 12, negative conditional: 2, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 86, positive: 9, positive conditional: 3, positive unconditional: 6, negative: 77, negative conditional: 5, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 270, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 244, negative conditional: 10, negative unconditional: 234, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 480, Positive cache size: 468, Positive conditional cache size: 3, Positive unconditional cache size: 465, Negative cache size: 12, Negative conditional cache size: 2, Negative unconditional cache size: 10, Eliminated conditions: 111 ], Maximal queried relation: 4, Independence queries for same thread: 177 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 257, Number of persistent set computation: 2694, Number of trivial persistent sets: 2485, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5065, positive: 4814, positive conditional: 2172, positive unconditional: 2642, negative: 251, negative conditional: 201, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 4888, positive: 4814, positive conditional: 2172, positive unconditional: 2642, negative: 74, negative conditional: 24, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 4888, positive: 4790, positive conditional: 0, positive unconditional: 4790, negative: 98, negative conditional: 0, negative unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 475, positive: 465, positive conditional: 0, positive unconditional: 465, 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: 475, positive: 463, positive conditional: 0, positive unconditional: 463, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12, positive: 2, positive conditional: 0, positive unconditional: 2, 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: 17, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 12, negative conditional: 2, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 86, positive: 9, positive conditional: 3, positive unconditional: 6, negative: 77, negative conditional: 5, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4888, positive: 4325, positive conditional: 0, positive unconditional: 4325, negative: 88, negative conditional: 0, negative unconditional: 88, unknown: 475, unknown conditional: 0, unknown unconditional: 475] , Statistics on independence cache: Total cache size (in pairs): 480, Positive cache size: 468, Positive conditional cache size: 3, Positive unconditional cache size: 465, Negative cache size: 12, Negative conditional cache size: 2, Negative unconditional cache size: 10, SemanticConditionEliminator.Independence Queries: [ total: 270, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 246, negative conditional: 12, negative unconditional: 234, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 270, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 246, negative conditional: 12, negative unconditional: 234, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 12, negative conditional: 2, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 86, positive: 9, positive conditional: 3, positive unconditional: 6, negative: 77, negative conditional: 5, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 270, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 244, negative conditional: 10, negative unconditional: 234, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 480, Positive cache size: 468, Positive conditional cache size: 3, Positive unconditional cache size: 465, Negative cache size: 12, Negative conditional cache size: 2, Negative unconditional cache size: 10, Eliminated conditions: 111, SemanticConditionEliminator.Independence Queries: [ total: 270, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 246, negative conditional: 12, negative unconditional: 234, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 270, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 246, negative conditional: 12, negative unconditional: 234, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 12, negative conditional: 2, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 86, positive: 9, positive conditional: 3, positive unconditional: 6, negative: 77, negative conditional: 5, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 270, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 244, negative conditional: 10, negative unconditional: 234, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 480, Positive cache size: 468, Positive conditional cache size: 3, Positive unconditional cache size: 465, Negative cache size: 12, Negative conditional cache size: 2, Negative unconditional cache size: 10, Eliminated conditions: 111, SemanticConditionEliminator.Independence Queries: [ total: 270, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 246, negative conditional: 12, negative unconditional: 234, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 270, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 246, negative conditional: 12, negative unconditional: 234, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 12, negative conditional: 2, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 86, positive: 9, positive conditional: 3, positive unconditional: 6, negative: 77, negative conditional: 5, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 270, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 244, negative conditional: 10, negative unconditional: 234, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 480, Positive cache size: 468, Positive conditional cache size: 3, Positive unconditional cache size: 465, Negative cache size: 12, Negative conditional cache size: 2, Negative unconditional cache size: 10, Eliminated conditions: 111, SemanticConditionEliminator.Independence Queries: [ total: 270, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 246, negative conditional: 12, negative unconditional: 234, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 270, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 246, negative conditional: 12, negative unconditional: 234, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 12, negative conditional: 2, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 86, positive: 9, positive conditional: 3, positive unconditional: 6, negative: 77, negative conditional: 5, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 270, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 244, negative conditional: 10, negative unconditional: 234, unknown: 5, unknown conditional: 5, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 480, Positive cache size: 468, Positive conditional cache size: 3, Positive unconditional cache size: 465, Negative cache size: 12, Negative conditional cache size: 2, Negative unconditional cache size: 10, Eliminated conditions: 111 ], Maximal queried relation: 4, Independence queries for same thread: 177 - 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 5 procedures, 81 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1411.3ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.8ms, PartialOrderReductionTime: 722.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 28, 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: 14.4ms SsaConstructionTime, 110.0ms SatisfiabilityAnalysisTime, 343.3ms InterpolantComputationTime, 209 NumberOfCodeBlocks, 209 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 205 ConstructedInterpolants, 0 QuantifiedInterpolants, 526 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...