/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.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe032_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-87fd7473a0bda1db0ad7f77f2116346063730f21-87fd747 [2021-08-22 22:10:13,017 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-22 22:10:13,019 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-22 22:10:13,040 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-22 22:10:13,090 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.epf [2021-08-22 22:10:13,117 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-22 22:10:13,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-22 22:10:13,118 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-22 22:10:13,125 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-22 22:10:13,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-22 22:10:13,126 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-22 22:10:13,126 INFO L138 SettingsManager]: * Use SBE=true [2021-08-22 22:10:13,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-22 22:10:13,127 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-22 22:10:13,127 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-22 22:10:13,127 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-22 22:10:13,128 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-22 22:10:13,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-22 22:10:13,128 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-22 22:10:13,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-22 22:10:13,128 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-22 22:10:13,128 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-22 22:10:13,128 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-22 22:10:13,128 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-22 22:10:13,128 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-22 22:10:13,129 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-22 22:10:13,129 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-22 22:10:13,129 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-22 22:10:13,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 22:10:13,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-22 22:10:13,129 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-22 22:10:13,129 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-22 22:10:13,129 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-22 22:10:13,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-22 22:10:13,129 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-22 22:10:13,130 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-22 22:10:13,130 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-22 22:10:13,130 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-08-22 22:10:13,130 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-08-22 22:10:13,130 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-22 22:10:13,370 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-22 22:10:13,388 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-22 22:10:13,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-22 22:10:13,390 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-22 22:10:13,397 INFO L275 PluginConnector]: CDTParser initialized [2021-08-22 22:10:13,398 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe032_tso.oepc.i [2021-08-22 22:10:13,456 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a3c851a6/95b65757304f4b309073e1b12de07946/FLAGa1c0736cb [2021-08-22 22:10:13,848 INFO L306 CDTParser]: Found 1 translation units. [2021-08-22 22:10:13,848 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe032_tso.oepc.i [2021-08-22 22:10:13,869 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a3c851a6/95b65757304f4b309073e1b12de07946/FLAGa1c0736cb [2021-08-22 22:10:14,191 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a3c851a6/95b65757304f4b309073e1b12de07946 [2021-08-22 22:10:14,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-22 22:10:14,197 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-22 22:10:14,199 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-22 22:10:14,200 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-22 22:10:14,202 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-22 22:10:14,203 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 10:10:14" (1/1) ... [2021-08-22 22:10:14,204 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66f718bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:10:14, skipping insertion in model container [2021-08-22 22:10:14,204 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 10:10:14" (1/1) ... [2021-08-22 22:10:14,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-22 22:10:14,247 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-22 22:10:14,356 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe032_tso.oepc.i[950,963] [2021-08-22 22:10:14,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-22 22:10:14,460 INFO L203 MainTranslator]: Completed pre-run [2021-08-22 22:10:14,504 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe032_tso.oepc.i[950,963] [2021-08-22 22:10:14,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-22 22:10:14,552 INFO L208 MainTranslator]: Completed translation [2021-08-22 22:10:14,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:10:14 WrapperNode [2021-08-22 22:10:14,553 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-22 22:10:14,554 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-22 22:10:14,554 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-22 22:10:14,554 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-22 22:10:14,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:10:14" (1/1) ... [2021-08-22 22:10:14,582 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:10:14" (1/1) ... [2021-08-22 22:10:14,595 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-22 22:10:14,595 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-22 22:10:14,595 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-22 22:10:14,596 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-22 22:10:14,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:10:14" (1/1) ... [2021-08-22 22:10:14,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:10:14" (1/1) ... [2021-08-22 22:10:14,602 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:10:14" (1/1) ... [2021-08-22 22:10:14,602 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:10:14" (1/1) ... [2021-08-22 22:10:14,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:10:14" (1/1) ... [2021-08-22 22:10:14,607 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:10:14" (1/1) ... [2021-08-22 22:10:14,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:10:14" (1/1) ... [2021-08-22 22:10:14,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-22 22:10:14,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-22 22:10:14,610 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-22 22:10:14,610 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-22 22:10:14,611 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:10:14" (1/1) ... [2021-08-22 22:10:14,615 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-22 22:10:14,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 22:10:14,628 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-22 22:10:14,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-22 22:10:14,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-22 22:10:14,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-08-22 22:10:14,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-22 22:10:14,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-22 22:10:14,656 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-08-22 22:10:14,656 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-08-22 22:10:14,656 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-08-22 22:10:14,656 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-08-22 22:10:14,656 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-08-22 22:10:14,656 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-08-22 22:10:14,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-22 22:10:14,657 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-08-22 22:10:14,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-22 22:10:14,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-22 22:10:14,658 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-22 22:10:14,891 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-22 22:10:14,891 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-08-22 22:10:14,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 10:10:14 BoogieIcfgContainer [2021-08-22 22:10:14,893 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-22 22:10:14,894 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-22 22:10:14,894 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-22 22:10:14,896 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-22 22:10:14,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 10:10:14" (1/3) ... [2021-08-22 22:10:14,896 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b15d296 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 10:10:14, skipping insertion in model container [2021-08-22 22:10:14,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 10:10:14" (2/3) ... [2021-08-22 22:10:14,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b15d296 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 10:10:14, skipping insertion in model container [2021-08-22 22:10:14,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 10:10:14" (3/3) ... [2021-08-22 22:10:14,898 INFO L111 eAbstractionObserver]: Analyzing ICFG safe032_tso.oepc.i [2021-08-22 22:10:14,901 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-22 22:10:14,901 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-22 22:10:14,901 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-22 22:10:14,901 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-22 22:10:14,934 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,934 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,934 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,934 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,934 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,934 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,934 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,935 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,935 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,935 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,935 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,935 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,935 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,936 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,936 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,936 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,936 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,936 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,936 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,936 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,936 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,937 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,937 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,937 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,937 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,937 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,937 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,937 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,938 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,938 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,938 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,938 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,938 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,938 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,938 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,938 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,941 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,941 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,941 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,941 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,944 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,945 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,945 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,945 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,946 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,947 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,947 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,947 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-22 22:10:14,948 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-08-22 22:10:14,977 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-22 22:10:14,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-22 22:10:14,981 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-22 22:10:14,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-08-22 22:10:15,007 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-22 22:10:15,010 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-22 22:10:15,011 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-08-22 22:10:15,203 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 22:10:15,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 22:10:15,207 INFO L82 PathProgramCache]: Analyzing trace with hash 723007320, now seen corresponding path program 1 times [2021-08-22 22:10:15,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 22:10:15,213 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962431399] [2021-08-22 22:10:15,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 22:10:15,214 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 22:10:15,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 22:10:15,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 22:10:15,368 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 22:10:15,368 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962431399] [2021-08-22 22:10:15,368 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962431399] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 22:10:15,368 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 22:10:15,369 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-22 22:10:15,370 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450716488] [2021-08-22 22:10:15,374 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-08-22 22:10:15,374 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 22:10:15,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-08-22 22:10:15,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-08-22 22:10:15,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:10:15,386 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 22:10:15,387 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 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) [2021-08-22 22:10:15,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:10:15,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:10:15,401 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-22 22:10:15,401 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 22:10:15,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 22:10:15,404 INFO L82 PathProgramCache]: Analyzing trace with hash 2015526074, now seen corresponding path program 1 times [2021-08-22 22:10:15,404 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 22:10:15,405 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729055803] [2021-08-22 22:10:15,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 22:10:15,405 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 22:10:15,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 22:10:15,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 22:10:15,622 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 22:10:15,623 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729055803] [2021-08-22 22:10:15,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729055803] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 22:10:15,625 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 22:10:15,629 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-22 22:10:15,629 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941066274] [2021-08-22 22:10:15,631 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-22 22:10:15,631 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 22:10:15,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-22 22:10:15,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-22 22:10:15,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:10:15,645 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 22:10:15,645 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 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) [2021-08-22 22:10:15,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:10:15,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:10:15,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:10:15,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:10:15,766 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-22 22:10:15,766 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 22:10:15,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 22:10:15,767 INFO L82 PathProgramCache]: Analyzing trace with hash 1742989633, now seen corresponding path program 1 times [2021-08-22 22:10:15,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 22:10:15,768 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208744558] [2021-08-22 22:10:15,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 22:10:15,768 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 22:10:15,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 22:10:15,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 22:10:15,892 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 22:10:15,892 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208744558] [2021-08-22 22:10:15,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208744558] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 22:10:15,892 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 22:10:15,892 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-22 22:10:15,892 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020814851] [2021-08-22 22:10:15,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-22 22:10:15,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 22:10:15,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-22 22:10:15,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-22 22:10:15,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:10:15,893 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 22:10:15,894 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 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) [2021-08-22 22:10:15,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:10:15,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:10:15,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:10:15,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:10:15,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:10:15,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 22:10:15,983 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-22 22:10:15,983 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 22:10:15,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 22:10:15,984 INFO L82 PathProgramCache]: Analyzing trace with hash 1433101845, now seen corresponding path program 1 times [2021-08-22 22:10:15,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 22:10:15,985 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93273364] [2021-08-22 22:10:15,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 22:10:15,985 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 22:10:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 22:10:16,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 22:10:16,110 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 22:10:16,110 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93273364] [2021-08-22 22:10:16,111 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93273364] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 22:10:16,111 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 22:10:16,111 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-22 22:10:16,113 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510176746] [2021-08-22 22:10:16,113 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-22 22:10:16,114 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 22:10:16,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-22 22:10:16,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-22 22:10:16,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:10:16,114 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 22:10:16,114 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-22 22:10:16,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:10:16,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:10:16,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 22:10:16,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:10:16,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:10:16,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:10:16,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 22:10:16,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:10:16,192 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-22 22:10:16,192 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 22:10:16,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 22:10:16,193 INFO L82 PathProgramCache]: Analyzing trace with hash -288985577, now seen corresponding path program 2 times [2021-08-22 22:10:16,193 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 22:10:16,194 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973438536] [2021-08-22 22:10:16,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 22:10:16,194 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 22:10:16,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 22:10:16,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 22:10:16,309 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 22:10:16,309 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973438536] [2021-08-22 22:10:16,310 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973438536] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 22:10:16,310 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 22:10:16,310 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-08-22 22:10:16,310 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81466070] [2021-08-22 22:10:16,310 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-22 22:10:16,310 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 22:10:16,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-22 22:10:16,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-08-22 22:10:16,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:10:16,311 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 22:10:16,311 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 8 states have internal predecessors, (62), 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) [2021-08-22 22:10:16,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:10:16,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:10:16,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 22:10:16,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:10:16,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:10:16,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:10:16,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:10:16,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 22:10:16,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:10:16,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 22:10:16,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-22 22:10:16,372 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 22:10:16,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 22:10:16,373 INFO L82 PathProgramCache]: Analyzing trace with hash -734929998, now seen corresponding path program 1 times [2021-08-22 22:10:16,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 22:10:16,373 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430657582] [2021-08-22 22:10:16,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 22:10:16,373 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 22:10:16,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 22:10:16,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 22:10:16,455 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 22:10:16,455 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430657582] [2021-08-22 22:10:16,456 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430657582] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 22:10:16,456 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 22:10:16,456 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-22 22:10:16,456 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832253214] [2021-08-22 22:10:16,456 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-08-22 22:10:16,456 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 22:10:16,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-22 22:10:16,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-22 22:10:16,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:10:16,457 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 22:10:16,457 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 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) [2021-08-22 22:10:16,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:10:16,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:10:16,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 22:10:16,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:10:16,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 22:10:16,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:10:16,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:10:16,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:10:16,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 22:10:16,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:10:16,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 22:10:16,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:10:16,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-22 22:10:16,608 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2021-08-22 22:10:16,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-22 22:10:16,608 INFO L82 PathProgramCache]: Analyzing trace with hash -770043772, now seen corresponding path program 2 times [2021-08-22 22:10:16,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-22 22:10:16,609 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050524652] [2021-08-22 22:10:16,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-22 22:10:16,609 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-22 22:10:16,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-22 22:10:16,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-22 22:10:16,729 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-22 22:10:16,729 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050524652] [2021-08-22 22:10:16,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050524652] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-22 22:10:16,729 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-22 22:10:16,729 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-08-22 22:10:16,729 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511058912] [2021-08-22 22:10:16,729 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-22 22:10:16,729 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-22 22:10:16,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-22 22:10:16,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-08-22 22:10:16,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:10:16,730 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-22 22:10:16,730 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 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) [2021-08-22 22:10:16,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:10:16,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:10:16,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 22:10:16,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:10:16,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-08-22 22:10:16,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:10:16,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:10:16,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-22 22:10:16,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:10:16,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 22:10:16,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:10:16,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-22 22:10:16,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-22 22:10:16,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-22 22:10:16,967 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-22 22:10:16,967 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-22 22:10:16,967 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-22 22:10:16,967 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION [2021-08-22 22:10:16,967 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-22 22:10:16,972 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-22 22:10:16,972 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-22 22:10:16,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 10:10:16 BasicIcfg [2021-08-22 22:10:16,974 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-22 22:10:16,975 INFO L168 Benchmark]: Toolchain (without parser) took 2777.13 ms. Allocated memory was 194.0 MB in the beginning and 239.1 MB in the end (delta: 45.1 MB). Free memory was 158.6 MB in the beginning and 184.4 MB in the end (delta: -25.8 MB). Peak memory consumption was 20.0 MB. Max. memory is 8.0 GB. [2021-08-22 22:10:16,975 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 194.0 MB. Free memory is still 176.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-22 22:10:16,975 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.72 ms. Allocated memory is still 194.0 MB. Free memory was 158.4 MB in the beginning and 169.6 MB in the end (delta: -11.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2021-08-22 22:10:16,975 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.35 ms. Allocated memory is still 194.0 MB. Free memory was 169.6 MB in the beginning and 167.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-22 22:10:16,976 INFO L168 Benchmark]: Boogie Preprocessor took 14.23 ms. Allocated memory is still 194.0 MB. Free memory was 167.5 MB in the beginning and 165.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-22 22:10:16,976 INFO L168 Benchmark]: RCFGBuilder took 282.51 ms. Allocated memory is still 194.0 MB. Free memory was 165.9 MB in the beginning and 142.3 MB in the end (delta: 23.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-08-22 22:10:16,976 INFO L168 Benchmark]: TraceAbstraction took 2079.98 ms. Allocated memory was 194.0 MB in the beginning and 239.1 MB in the end (delta: 45.1 MB). Free memory was 141.8 MB in the beginning and 184.4 MB in the end (delta: -42.6 MB). Peak memory consumption was 4.1 MB. Max. memory is 8.0 GB. [2021-08-22 22:10:16,977 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 194.0 MB. Free memory is still 176.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 353.72 ms. Allocated memory is still 194.0 MB. Free memory was 158.4 MB in the beginning and 169.6 MB in the end (delta: -11.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 41.35 ms. Allocated memory is still 194.0 MB. Free memory was 169.6 MB in the beginning and 167.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 14.23 ms. Allocated memory is still 194.0 MB. Free memory was 167.5 MB in the beginning and 165.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 282.51 ms. Allocated memory is still 194.0 MB. Free memory was 165.9 MB in the beginning and 142.3 MB in the end (delta: 23.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2079.98 ms. Allocated memory was 194.0 MB in the beginning and 239.1 MB in the end (delta: 45.1 MB). Free memory was 141.8 MB in the beginning and 184.4 MB in the end (delta: -42.6 MB). Peak memory consumption was 4.1 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: 7636, positive: 7376, positive conditional: 6251, positive unconditional: 1125, negative: 260, negative conditional: 230, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7592, positive: 7376, positive conditional: 6251, positive unconditional: 1125, negative: 216, negative conditional: 186, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7592, positive: 7376, positive conditional: 6251, positive unconditional: 1125, negative: 216, negative conditional: 186, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8439, positive: 7376, positive conditional: 5927, positive unconditional: 1449, negative: 1063, negative conditional: 847, negative unconditional: 216, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8439, positive: 7376, positive conditional: 1897, positive unconditional: 5479, negative: 1063, negative conditional: 131, negative unconditional: 932, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8439, positive: 7376, positive conditional: 1897, positive unconditional: 5479, negative: 1063, negative conditional: 131, negative unconditional: 932, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1173, positive: 1136, positive conditional: 11, positive unconditional: 1125, negative: 37, negative conditional: 7, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1173, positive: 1119, positive conditional: 0, positive unconditional: 1119, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 54, positive: 17, positive conditional: 11, positive unconditional: 6, negative: 37, negative conditional: 7, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 150, positive: 25, positive conditional: 15, positive unconditional: 10, negative: 124, negative conditional: 7, negative unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8439, positive: 6240, positive conditional: 1886, positive unconditional: 4354, negative: 1026, negative conditional: 124, negative unconditional: 902, unknown: 1173, unknown conditional: 18, unknown unconditional: 1155] , Statistics on independence cache: Total cache size (in pairs): 1173, Positive cache size: 1136, Positive conditional cache size: 11, Positive unconditional cache size: 1125, Negative cache size: 37, Negative conditional cache size: 7, Negative unconditional cache size: 30, Eliminated conditions: 4746, Maximal queried relation: 5, Independence queries for same thread: 44 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 221, Number of persistent set computation: 413, Number of trivial persistent sets: 232, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1155, positive: 1125, positive conditional: 0, positive unconditional: 1125, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7636, positive: 7376, positive conditional: 6251, positive unconditional: 1125, negative: 260, negative conditional: 230, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7592, positive: 7376, positive conditional: 6251, positive unconditional: 1125, negative: 216, negative conditional: 186, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7592, positive: 7376, positive conditional: 6251, positive unconditional: 1125, negative: 216, negative conditional: 186, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8439, positive: 7376, positive conditional: 5927, positive unconditional: 1449, negative: 1063, negative conditional: 847, negative unconditional: 216, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8439, positive: 7376, positive conditional: 1897, positive unconditional: 5479, negative: 1063, negative conditional: 131, negative unconditional: 932, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8439, positive: 7376, positive conditional: 1897, positive unconditional: 5479, negative: 1063, negative conditional: 131, negative unconditional: 932, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1173, positive: 1136, positive conditional: 11, positive unconditional: 1125, negative: 37, negative conditional: 7, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1173, positive: 1119, positive conditional: 0, positive unconditional: 1119, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 54, positive: 17, positive conditional: 11, positive unconditional: 6, negative: 37, negative conditional: 7, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 150, positive: 25, positive conditional: 15, positive unconditional: 10, negative: 124, negative conditional: 7, negative unconditional: 117, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 8439, positive: 6240, positive conditional: 1886, positive unconditional: 4354, negative: 1026, negative conditional: 124, negative unconditional: 902, unknown: 1173, unknown conditional: 18, unknown unconditional: 1155] , Statistics on independence cache: Total cache size (in pairs): 1173, Positive cache size: 1136, Positive conditional cache size: 11, Positive unconditional cache size: 1125, Negative cache size: 37, Negative conditional cache size: 7, Negative unconditional cache size: 30, Eliminated conditions: 4746, Maximal queried relation: 5, Independence queries for same thread: 44 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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, 106 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1995.8ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.5ms, PartialOrderReductionTime: 924.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 47, 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: 23.8ms SsaConstructionTime, 205.3ms SatisfiabilityAnalysisTime, 610.1ms InterpolantComputationTime, 407 NumberOfCodeBlocks, 407 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 400 ConstructedInterpolants, 0 QuantifiedInterpolants, 983 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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! [2021-08-22 22:10:17,000 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-08-22 22:10:17,215 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...