/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-NewStatesSleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe008_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-13 20:02:59,448 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-13 20:02:59,450 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-13 20:02:59,490 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-13 20:02:59,561 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-13 20:02:59,562 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-13 20:02:59,563 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-13 20:02:59,567 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-NewStatesSleep-NoLbe-Lockstep.epf [2021-06-13 20:02:59,604 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-13 20:02:59,605 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-13 20:02:59,605 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-13 20:02:59,606 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-13 20:02:59,608 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-13 20:02:59,608 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-13 20:02:59,608 INFO L138 SettingsManager]: * Use SBE=true [2021-06-13 20:02:59,609 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-13 20:02:59,609 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-13 20:02:59,609 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-13 20:02:59,610 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-13 20:02:59,610 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-13 20:02:59,610 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-13 20:02:59,611 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-13 20:02:59,611 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-13 20:02:59,611 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-13 20:02:59,611 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-13 20:02:59,611 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-13 20:02:59,611 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-13 20:02:59,612 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-13 20:02:59,612 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-13 20:02:59,612 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-13 20:02:59,612 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-13 20:02:59,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 20:02:59,613 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-13 20:02:59,613 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-13 20:02:59,613 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-13 20:02:59,613 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-13 20:02:59,613 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-13 20:02:59,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-13 20:02:59,614 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-13 20:02:59,614 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-13 20:02:59,614 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-13 20:02:59,614 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-13 20:02:59,614 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-13 20:02:59,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-13 20:02:59,956 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-13 20:02:59,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-13 20:02:59,959 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-13 20:02:59,959 INFO L275 PluginConnector]: CDTParser initialized [2021-06-13 20:02:59,960 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe008_tso.oepc.i [2021-06-13 20:03:00,025 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7592ad38/e98fd8f21c2d4c549418e5fa1649b03c/FLAGf991278a4 [2021-06-13 20:03:00,483 INFO L306 CDTParser]: Found 1 translation units. [2021-06-13 20:03:00,484 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe008_tso.oepc.i [2021-06-13 20:03:00,508 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7592ad38/e98fd8f21c2d4c549418e5fa1649b03c/FLAGf991278a4 [2021-06-13 20:03:00,814 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7592ad38/e98fd8f21c2d4c549418e5fa1649b03c [2021-06-13 20:03:00,816 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-13 20:03:00,818 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-13 20:03:00,833 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-13 20:03:00,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-13 20:03:00,837 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-13 20:03:00,837 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.06 08:03:00" (1/1) ... [2021-06-13 20:03:00,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fcfdbb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:03:00, skipping insertion in model container [2021-06-13 20:03:00,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.06 08:03:00" (1/1) ... [2021-06-13 20:03:00,847 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-13 20:03:00,896 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-13 20:03:01,013 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/safe008_tso.oepc.i[950,963] [2021-06-13 20:03:01,175 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-13 20:03:01,182 INFO L203 MainTranslator]: Completed pre-run [2021-06-13 20:03:01,191 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/safe008_tso.oepc.i[950,963] [2021-06-13 20:03:01,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-13 20:03:01,271 INFO L208 MainTranslator]: Completed translation [2021-06-13 20:03:01,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:03:01 WrapperNode [2021-06-13 20:03:01,272 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-13 20:03:01,273 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-13 20:03:01,273 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-13 20:03:01,273 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-13 20:03:01,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:03:01" (1/1) ... [2021-06-13 20:03:01,292 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:03:01" (1/1) ... [2021-06-13 20:03:01,316 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-13 20:03:01,318 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-13 20:03:01,318 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-13 20:03:01,318 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-13 20:03:01,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:03:01" (1/1) ... [2021-06-13 20:03:01,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:03:01" (1/1) ... [2021-06-13 20:03:01,342 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:03:01" (1/1) ... [2021-06-13 20:03:01,343 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:03:01" (1/1) ... [2021-06-13 20:03:01,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:03:01" (1/1) ... [2021-06-13 20:03:01,355 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:03:01" (1/1) ... [2021-06-13 20:03:01,357 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:03:01" (1/1) ... [2021-06-13 20:03:01,359 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-13 20:03:01,359 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-13 20:03:01,359 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-13 20:03:01,360 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-13 20:03:01,360 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:03:01" (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 [2021-06-13 20:03:01,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-13 20:03:01,438 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-13 20:03:01,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-13 20:03:01,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-13 20:03:01,440 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-13 20:03:01,440 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-13 20:03:01,440 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-13 20:03:01,440 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-13 20:03:01,440 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-13 20:03:01,440 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-13 20:03:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-13 20:03:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-13 20:03:01,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-13 20:03:01,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-13 20:03:01,442 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-13 20:03:01,837 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-13 20:03:01,837 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-13 20:03:01,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 08:03:01 BoogieIcfgContainer [2021-06-13 20:03:01,839 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-13 20:03:01,840 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-13 20:03:01,840 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-13 20:03:01,843 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-13 20:03:01,843 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.06 08:03:00" (1/3) ... [2021-06-13 20:03:01,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4836286d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 08:03:01, skipping insertion in model container [2021-06-13 20:03:01,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:03:01" (2/3) ... [2021-06-13 20:03:01,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4836286d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 08:03:01, skipping insertion in model container [2021-06-13 20:03:01,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 08:03:01" (3/3) ... [2021-06-13 20:03:01,846 INFO L111 eAbstractionObserver]: Analyzing ICFG safe008_tso.oepc.i [2021-06-13 20:03:01,850 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-13 20:03:01,851 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-13 20:03:01,851 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-13 20:03:01,852 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-13 20:03:01,880 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,881 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,881 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,881 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,881 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,881 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,881 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,882 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,882 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,882 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,882 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,882 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,883 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,883 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,883 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,884 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,884 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,884 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,884 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,884 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,885 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,885 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,885 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,885 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,885 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,886 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,886 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,886 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,886 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,886 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,886 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,887 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,888 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,889 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,889 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,889 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,894 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,894 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,894 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,894 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,896 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,897 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,897 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,897 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:03:01,899 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-13 20:03:01,917 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-13 20:03:01,975 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 20:03:01,975 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 20:03:01,975 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 20:03:01,976 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 20:03:01,976 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 20:03:01,976 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 20:03:01,976 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 20:03:01,976 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-13 20:03:02,057 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 20:03:02,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 20:03:02,061 INFO L82 PathProgramCache]: Analyzing trace with hash -485084312, now seen corresponding path program 1 times [2021-06-13 20:03:02,069 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 20:03:02,069 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125719694] [2021-06-13 20:03:02,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 20:03:02,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 20:03:02,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 20:03:02,280 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 20:03:02,280 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125719694] [2021-06-13 20:03:02,281 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125719694] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 20:03:02,281 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 20:03:02,281 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-13 20:03:02,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247017697] [2021-06-13 20:03:02,286 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-13 20:03:02,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 20:03:02,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-13 20:03:02,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-13 20:03:02,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:03:02,299 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 20:03:02,300 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 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) [2021-06-13 20:03:02,301 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:03:02,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:03:02,312 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-13 20:03:02,312 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 20:03:02,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 20:03:02,313 INFO L82 PathProgramCache]: Analyzing trace with hash -1782762474, now seen corresponding path program 1 times [2021-06-13 20:03:02,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 20:03:02,313 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692770480] [2021-06-13 20:03:02,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 20:03:02,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 20:03:02,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 20:03:02,535 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 20:03:02,536 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692770480] [2021-06-13 20:03:02,536 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692770480] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 20:03:02,536 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 20:03:02,536 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-13 20:03:02,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833662825] [2021-06-13 20:03:02,538 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-13 20:03:02,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 20:03:02,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-13 20:03:02,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-13 20:03:02,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:03:02,539 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 20:03:02,539 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 20:03:02,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:03:02,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:03:02,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:03:02,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 20:03:02,757 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-13 20:03:02,757 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 20:03:02,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 20:03:02,757 INFO L82 PathProgramCache]: Analyzing trace with hash 192101962, now seen corresponding path program 2 times [2021-06-13 20:03:02,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 20:03:02,758 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293345332] [2021-06-13 20:03:02,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 20:03:02,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 20:03:02,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 20:03:02,998 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 20:03:02,998 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293345332] [2021-06-13 20:03:02,998 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293345332] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 20:03:02,998 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 20:03:02,998 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-13 20:03:02,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974929738] [2021-06-13 20:03:02,999 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-13 20:03:02,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 20:03:03,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-13 20:03:03,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-13 20:03:03,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:03:03,000 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 20:03:03,000 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 20:03:03,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:03:03,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 20:03:03,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:03:03,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:03:03,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 20:03:03,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-13 20:03:03,796 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-13 20:03:03,797 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 20:03:03,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 20:03:03,799 INFO L82 PathProgramCache]: Analyzing trace with hash -1779849052, now seen corresponding path program 3 times [2021-06-13 20:03:03,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 20:03:03,799 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542771727] [2021-06-13 20:03:03,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 20:03:03,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 20:03:03,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 20:03:03,958 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 20:03:03,958 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542771727] [2021-06-13 20:03:03,958 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542771727] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 20:03:03,958 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 20:03:03,958 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-13 20:03:03,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783069200] [2021-06-13 20:03:03,959 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-13 20:03:03,959 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 20:03:03,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-13 20:03:03,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-13 20:03:03,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:03:03,960 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 20:03:03,960 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 20:03:03,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:03:03,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 20:03:03,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-13 20:03:03,961 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:03:04,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:03:04,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 20:03:04,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-13 20:03:04,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 20:03:04,589 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-13 20:03:04,589 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 20:03:04,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 20:03:04,590 INFO L82 PathProgramCache]: Analyzing trace with hash -1182865392, now seen corresponding path program 4 times [2021-06-13 20:03:04,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 20:03:04,591 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130265977] [2021-06-13 20:03:04,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 20:03:04,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 20:03:04,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 20:03:04,683 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 20:03:04,683 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130265977] [2021-06-13 20:03:04,683 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130265977] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 20:03:04,684 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 20:03:04,684 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-13 20:03:04,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096798857] [2021-06-13 20:03:04,684 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-13 20:03:04,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 20:03:04,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-13 20:03:04,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-13 20:03:04,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:03:04,685 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 20:03:04,686 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.571428571428571) internal successors, (67), 7 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 20:03:04,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:03:04,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 20:03:04,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-13 20:03:04,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 20:03:04,686 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:03:05,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:03:05,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 20:03:05,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-13 20:03:05,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 20:03:05,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 20:03:05,480 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-13 20:03:05,495 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-13 20:03:05,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.06 08:03:05 BasicIcfg [2021-06-13 20:03:05,497 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-13 20:03:05,500 INFO L168 Benchmark]: Toolchain (without parser) took 4680.22 ms. Allocated memory was 187.7 MB in the beginning and 394.3 MB in the end (delta: 206.6 MB). Free memory was 151.0 MB in the beginning and 230.5 MB in the end (delta: -79.5 MB). Peak memory consumption was 154.5 MB. Max. memory is 8.0 GB. [2021-06-13 20:03:05,502 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 187.7 MB. Free memory is still 169.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-13 20:03:05,503 INFO L168 Benchmark]: CACSL2BoogieTranslator took 438.75 ms. Allocated memory is still 187.7 MB. Free memory was 150.8 MB in the beginning and 150.8 MB in the end (delta: -36.6 kB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-06-13 20:03:05,503 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.93 ms. Allocated memory is still 187.7 MB. Free memory was 150.3 MB in the beginning and 148.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-13 20:03:05,503 INFO L168 Benchmark]: Boogie Preprocessor took 40.99 ms. Allocated memory is still 187.7 MB. Free memory was 148.7 MB in the beginning and 147.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-13 20:03:05,503 INFO L168 Benchmark]: RCFGBuilder took 479.65 ms. Allocated memory is still 187.7 MB. Free memory was 147.2 MB in the beginning and 123.0 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-06-13 20:03:05,504 INFO L168 Benchmark]: TraceAbstraction took 3656.85 ms. Allocated memory was 187.7 MB in the beginning and 394.3 MB in the end (delta: 206.6 MB). Free memory was 123.0 MB in the beginning and 230.5 MB in the end (delta: -107.4 MB). Peak memory consumption was 128.0 MB. Max. memory is 8.0 GB. [2021-06-13 20:03:05,506 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 187.7 MB. Free memory is still 169.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 438.75 ms. Allocated memory is still 187.7 MB. Free memory was 150.8 MB in the beginning and 150.8 MB in the end (delta: -36.6 kB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 43.93 ms. Allocated memory is still 187.7 MB. Free memory was 150.3 MB in the beginning and 148.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 40.99 ms. Allocated memory is still 187.7 MB. Free memory was 148.7 MB in the beginning and 147.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 479.65 ms. Allocated memory is still 187.7 MB. Free memory was 147.2 MB in the beginning and 123.0 MB in the end (delta: 24.1 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3656.85 ms. Allocated memory was 187.7 MB in the beginning and 394.3 MB in the end (delta: 206.6 MB). Free memory was 123.0 MB in the beginning and 230.5 MB in the end (delta: -107.4 MB). Peak memory consumption was 128.0 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: 61931, positive: 59557, positive conditional: 59557, positive unconditional: 0, negative: 2374, negative conditional: 2374, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 59771, positive: 59557, positive conditional: 59557, positive unconditional: 0, negative: 214, negative conditional: 214, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 59771, positive: 59046, positive conditional: 0, positive unconditional: 59046, negative: 725, negative conditional: 0, negative unconditional: 725, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 637, positive: 627, positive conditional: 0, positive unconditional: 627, 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: 637, positive: 621, positive conditional: 0, positive unconditional: 621, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 6, positive conditional: 0, positive unconditional: 6, 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: 32, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 16, negative conditional: 6, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 114, positive: 47, positive conditional: 30, positive unconditional: 18, negative: 66, negative conditional: 9, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 59771, positive: 58419, positive conditional: 0, positive unconditional: 58419, negative: 715, negative conditional: 0, negative unconditional: 715, unknown: 637, unknown conditional: 0, unknown unconditional: 637] , Statistics on independence cache: Total cache size (in pairs): 653, Positive cache size: 637, Positive conditional cache size: 10, Positive unconditional cache size: 627, Negative cache size: 16, Negative conditional cache size: 6, Negative unconditional cache size: 10, SemanticConditionEliminator.Independence Queries: [ total: 2448, positive: 511, positive conditional: 511, positive unconditional: 0, negative: 1937, negative conditional: 132, negative unconditional: 1805, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2448, positive: 511, positive conditional: 511, positive unconditional: 0, negative: 1937, negative conditional: 132, negative unconditional: 1805, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 16, negative conditional: 6, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 114, positive: 47, positive conditional: 30, positive unconditional: 18, negative: 66, negative conditional: 9, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2448, positive: 501, positive conditional: 501, positive unconditional: 0, negative: 1931, negative conditional: 126, negative unconditional: 1805, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 653, Positive cache size: 637, Positive conditional cache size: 10, Positive unconditional cache size: 627, Negative cache size: 16, Negative conditional cache size: 6, Negative unconditional cache size: 10, Eliminated conditions: 1805, SemanticConditionEliminator.Independence Queries: [ total: 2448, positive: 511, positive conditional: 511, positive unconditional: 0, negative: 1937, negative conditional: 132, negative unconditional: 1805, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2448, positive: 511, positive conditional: 511, positive unconditional: 0, negative: 1937, negative conditional: 132, negative unconditional: 1805, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 16, negative conditional: 6, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 114, positive: 47, positive conditional: 30, positive unconditional: 18, negative: 66, negative conditional: 9, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2448, positive: 501, positive conditional: 501, positive unconditional: 0, negative: 1931, negative conditional: 126, negative unconditional: 1805, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 653, Positive cache size: 637, Positive conditional cache size: 10, Positive unconditional cache size: 627, Negative cache size: 16, Negative conditional cache size: 6, Negative unconditional cache size: 10, Eliminated conditions: 1805, SemanticConditionEliminator.Independence Queries: [ total: 2448, positive: 511, positive conditional: 511, positive unconditional: 0, negative: 1937, negative conditional: 132, negative unconditional: 1805, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2448, positive: 511, positive conditional: 511, positive unconditional: 0, negative: 1937, negative conditional: 132, negative unconditional: 1805, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 16, negative conditional: 6, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 114, positive: 47, positive conditional: 30, positive unconditional: 18, negative: 66, negative conditional: 9, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2448, positive: 501, positive conditional: 501, positive unconditional: 0, negative: 1931, negative conditional: 126, negative unconditional: 1805, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 653, Positive cache size: 637, Positive conditional cache size: 10, Positive unconditional cache size: 627, Negative cache size: 16, Negative conditional cache size: 6, Negative unconditional cache size: 10, Eliminated conditions: 1805, SemanticConditionEliminator.Independence Queries: [ total: 2448, positive: 511, positive conditional: 511, positive unconditional: 0, negative: 1937, negative conditional: 132, negative unconditional: 1805, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2448, positive: 511, positive conditional: 511, positive unconditional: 0, negative: 1937, negative conditional: 132, negative unconditional: 1805, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 16, negative conditional: 6, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 114, positive: 47, positive conditional: 30, positive unconditional: 18, negative: 66, negative conditional: 9, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2448, positive: 501, positive conditional: 501, positive unconditional: 0, negative: 1931, negative conditional: 126, negative unconditional: 1805, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 653, Positive cache size: 637, Positive conditional cache size: 10, Positive unconditional cache size: 627, Negative cache size: 16, Negative conditional cache size: 6, Negative unconditional cache size: 10, Eliminated conditions: 1805, SemanticConditionEliminator.Independence Queries: [ total: 2448, positive: 511, positive conditional: 511, positive unconditional: 0, negative: 1937, negative conditional: 132, negative unconditional: 1805, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2448, positive: 511, positive conditional: 511, positive unconditional: 0, negative: 1937, negative conditional: 132, negative unconditional: 1805, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 32, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 16, negative conditional: 6, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 114, positive: 47, positive conditional: 30, positive unconditional: 18, negative: 66, negative conditional: 9, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2448, positive: 501, positive conditional: 501, positive unconditional: 0, negative: 1931, negative conditional: 126, negative unconditional: 1805, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 653, Positive cache size: 637, Positive conditional cache size: 10, Positive unconditional cache size: 627, Negative cache size: 16, Negative conditional cache size: 6, Negative unconditional cache size: 10, Eliminated conditions: 1805 ], Maximal queried relation: 5, Independence queries for same thread: 2160 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 107 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3563.5ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.5ms, PartialOrderReductionTime: 2511.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 37, 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: 32.4ms SsaConstructionTime, 143.8ms SatisfiabilityAnalysisTime, 639.1ms InterpolantComputationTime, 336 NumberOfCodeBlocks, 336 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 331 ConstructedInterpolants, 0 QuantifiedInterpolants, 846 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...