/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/safe002_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-13 20:00:47,146 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-13 20:00:47,147 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-13 20:00:47,165 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-13 20:00:47,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-13 20:00:47,205 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-13 20:00:47,205 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-13 20:00:47,206 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 20:00:47,234 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-13 20:00:47,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-13 20:00:47,234 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-13 20:00:47,234 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-13 20:00:47,236 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-13 20:00:47,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-13 20:00:47,237 INFO L138 SettingsManager]: * Use SBE=true [2021-06-13 20:00:47,237 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-13 20:00:47,237 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-13 20:00:47,237 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-13 20:00:47,237 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-13 20:00:47,237 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-13 20:00:47,237 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-13 20:00:47,237 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-13 20:00:47,238 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-13 20:00:47,238 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-13 20:00:47,238 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-13 20:00:47,238 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-13 20:00:47,238 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-13 20:00:47,238 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-13 20:00:47,238 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-13 20:00:47,238 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-13 20:00:47,238 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-13 20:00:47,238 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 20:00:47,239 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-13 20:00:47,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-13 20:00:47,239 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-13 20:00:47,248 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-13 20:00:47,250 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-13 20:00:47,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-13 20:00:47,251 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-13 20:00:47,251 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-13 20:00:47,251 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-13 20:00:47,251 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-13 20:00:47,251 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-13 20:00:47,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-13 20:00:47,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-13 20:00:47,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-13 20:00:47,510 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-13 20:00:47,510 INFO L275 PluginConnector]: CDTParser initialized [2021-06-13 20:00:47,511 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe002_tso.oepc.i [2021-06-13 20:00:47,556 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93be97047/987c6d4a9a92473a9bf8ca0927796da9/FLAG6e89e4e29 [2021-06-13 20:00:47,992 INFO L306 CDTParser]: Found 1 translation units. [2021-06-13 20:00:47,993 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe002_tso.oepc.i [2021-06-13 20:00:48,001 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93be97047/987c6d4a9a92473a9bf8ca0927796da9/FLAG6e89e4e29 [2021-06-13 20:00:48,009 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93be97047/987c6d4a9a92473a9bf8ca0927796da9 [2021-06-13 20:00:48,011 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-13 20:00:48,012 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-13 20:00:48,013 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-13 20:00:48,013 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-13 20:00:48,015 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-13 20:00:48,016 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.06 08:00:48" (1/1) ... [2021-06-13 20:00:48,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ac2740f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:00:48, skipping insertion in model container [2021-06-13 20:00:48,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.06 08:00:48" (1/1) ... [2021-06-13 20:00:48,022 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-13 20:00:48,063 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-13 20:00:48,214 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/safe002_tso.oepc.i[950,963] [2021-06-13 20:00:48,324 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-13 20:00:48,328 INFO L203 MainTranslator]: Completed pre-run [2021-06-13 20:00:48,342 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/safe002_tso.oepc.i[950,963] [2021-06-13 20:00:48,378 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-13 20:00:48,416 INFO L208 MainTranslator]: Completed translation [2021-06-13 20:00:48,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:00:48 WrapperNode [2021-06-13 20:00:48,416 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-13 20:00:48,417 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-13 20:00:48,417 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-13 20:00:48,417 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-13 20:00:48,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:00:48" (1/1) ... [2021-06-13 20:00:48,430 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:00:48" (1/1) ... [2021-06-13 20:00:48,445 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-13 20:00:48,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-13 20:00:48,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-13 20:00:48,446 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-13 20:00:48,451 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:00:48" (1/1) ... [2021-06-13 20:00:48,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:00:48" (1/1) ... [2021-06-13 20:00:48,453 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:00:48" (1/1) ... [2021-06-13 20:00:48,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:00:48" (1/1) ... [2021-06-13 20:00:48,456 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:00:48" (1/1) ... [2021-06-13 20:00:48,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:00:48" (1/1) ... [2021-06-13 20:00:48,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:00:48" (1/1) ... [2021-06-13 20:00:48,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-13 20:00:48,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-13 20:00:48,460 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-13 20:00:48,460 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-13 20:00:48,460 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:00:48" (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 20:00:48,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-13 20:00:48,518 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-13 20:00:48,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-13 20:00:48,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-13 20:00:48,519 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-13 20:00:48,519 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-13 20:00:48,519 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-13 20:00:48,519 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-13 20:00:48,519 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-13 20:00:48,520 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-13 20:00:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-13 20:00:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-13 20:00:48,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-13 20:00:48,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-13 20:00:48,521 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 20:00:48,843 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-13 20:00:48,844 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-13 20:00:48,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 08:00:48 BoogieIcfgContainer [2021-06-13 20:00:48,847 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-13 20:00:48,848 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-13 20:00:48,848 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-13 20:00:48,851 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-13 20:00:48,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.06 08:00:48" (1/3) ... [2021-06-13 20:00:48,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6320f504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 08:00:48, skipping insertion in model container [2021-06-13 20:00:48,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 08:00:48" (2/3) ... [2021-06-13 20:00:48,852 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6320f504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 08:00:48, skipping insertion in model container [2021-06-13 20:00:48,852 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 08:00:48" (3/3) ... [2021-06-13 20:00:48,853 INFO L111 eAbstractionObserver]: Analyzing ICFG safe002_tso.oepc.i [2021-06-13 20:00:48,856 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-13 20:00:48,856 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-13 20:00:48,857 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-13 20:00:48,857 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-13 20:00:48,882 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,882 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,882 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,882 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,882 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,882 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,882 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,884 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,885 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,885 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,885 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,885 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,885 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,885 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,885 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,886 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,887 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,887 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,887 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,887 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,891 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,891 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,891 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,891 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,891 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,892 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,892 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,892 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,892 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,892 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,893 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,893 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,893 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,893 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,893 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,893 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,895 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,895 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,895 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,895 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,899 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,899 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,899 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,899 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,900 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,901 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,901 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,901 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 20:00:48,904 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-13 20:00:48,929 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 20:00:48,960 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 20:00:48,961 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 20:00:48,961 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 20:00:48,961 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 20:00:48,961 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 20:00:48,961 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 20:00:48,961 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 20:00:48,961 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-13 20:00:49,023 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 20:00:49,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 20:00:49,029 INFO L82 PathProgramCache]: Analyzing trace with hash -2344125, now seen corresponding path program 1 times [2021-06-13 20:00:49,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 20:00:49,035 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142759341] [2021-06-13 20:00:49,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 20:00:49,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 20:00:49,229 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 20:00:49,229 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 20:00:49,230 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142759341] [2021-06-13 20:00:49,230 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142759341] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 20:00:49,230 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 20:00:49,230 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-13 20:00:49,231 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531316029] [2021-06-13 20:00:49,235 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-06-13 20:00:49,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 20:00:49,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-06-13 20:00:49,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-06-13 20:00:49,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:00:49,247 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 20:00:49,248 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 20:00:49,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:00:49,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:00:49,264 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-13 20:00:49,264 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 20:00:49,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 20:00:49,266 INFO L82 PathProgramCache]: Analyzing trace with hash -825987106, now seen corresponding path program 1 times [2021-06-13 20:00:49,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 20:00:49,267 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139295969] [2021-06-13 20:00:49,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 20:00:49,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 20:00:49,487 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 20:00:49,487 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 20:00:49,487 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139295969] [2021-06-13 20:00:49,488 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139295969] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 20:00:49,488 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 20:00:49,488 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-13 20:00:49,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861832598] [2021-06-13 20:00:49,489 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-13 20:00:49,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 20:00:49,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-13 20:00:49,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-13 20:00:49,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:00:49,490 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 20:00:49,490 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 20:00:49,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:00:49,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:00:50,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:00:50,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-13 20:00:50,116 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-13 20:00:50,116 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 20:00:50,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 20:00:50,122 INFO L82 PathProgramCache]: Analyzing trace with hash 635992376, now seen corresponding path program 2 times [2021-06-13 20:00:50,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 20:00:50,122 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089009619] [2021-06-13 20:00:50,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 20:00:50,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 20:00:50,257 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 20:00:50,257 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 20:00:50,257 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089009619] [2021-06-13 20:00:50,257 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089009619] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 20:00:50,258 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 20:00:50,258 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-13 20:00:50,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445748496] [2021-06-13 20:00:50,258 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-13 20:00:50,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 20:00:50,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-13 20:00:50,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-13 20:00:50,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:00:50,260 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 20:00:50,260 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 20:00:50,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:00:50,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-13 20:00:50,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:00:50,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:00:50,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-13 20:00:50,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 20:00:50,869 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-13 20:00:50,869 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 20:00:50,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 20:00:50,870 INFO L82 PathProgramCache]: Analyzing trace with hash 13925740, now seen corresponding path program 3 times [2021-06-13 20:00:50,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 20:00:50,870 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427097384] [2021-06-13 20:00:50,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 20:00:50,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 20:00:50,952 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 20:00:50,953 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 20:00:50,953 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427097384] [2021-06-13 20:00:50,953 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427097384] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 20:00:50,954 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 20:00:50,954 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-13 20:00:50,957 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137227461] [2021-06-13 20:00:50,958 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-13 20:00:50,958 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 20:00:50,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-13 20:00:50,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-13 20:00:50,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:00:50,959 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 20:00:50,959 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 20:00:50,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:00:50,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-13 20:00:50,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 20:00:50,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:00:51,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:00:51,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-13 20:00:51,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 20:00:51,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 20:00:51,626 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-13 20:00:51,626 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-13 20:00:51,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 20:00:51,627 INFO L82 PathProgramCache]: Analyzing trace with hash 1171528526, now seen corresponding path program 4 times [2021-06-13 20:00:51,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 20:00:51,627 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2005503418] [2021-06-13 20:00:51,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 20:00:51,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 20:00:51,748 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 20:00:51,748 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 20:00:51,748 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2005503418] [2021-06-13 20:00:51,749 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2005503418] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 20:00:51,749 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 20:00:51,749 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-13 20:00:51,749 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682671970] [2021-06-13 20:00:51,749 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-13 20:00:51,750 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 20:00:51,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-13 20:00:51,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-13 20:00:51,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:00:51,751 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 20:00:51,751 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 20:00:51,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:00:51,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-13 20:00:51,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 20:00:51,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-13 20:00:51,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:00:52,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 20:00:52,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-13 20:00:52,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 20:00:52,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-13 20:00:52,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-13 20:00:52,661 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-13 20:00:52,671 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-13 20:00:52,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.06 08:00:52 BasicIcfg [2021-06-13 20:00:52,673 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-13 20:00:52,675 INFO L168 Benchmark]: Toolchain (without parser) took 4661.03 ms. Allocated memory was 181.4 MB in the beginning and 692.1 MB in the end (delta: 510.7 MB). Free memory was 144.5 MB in the beginning and 460.5 MB in the end (delta: -316.0 MB). Peak memory consumption was 194.9 MB. Max. memory is 8.0 GB. [2021-06-13 20:00:52,677 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 181.4 MB. Free memory was 162.8 MB in the beginning and 162.7 MB in the end (delta: 105.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-06-13 20:00:52,677 INFO L168 Benchmark]: CACSL2BoogieTranslator took 403.24 ms. Allocated memory is still 181.4 MB. Free memory was 144.3 MB in the beginning and 142.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-06-13 20:00:52,677 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.36 ms. Allocated memory is still 181.4 MB. Free memory was 142.2 MB in the beginning and 140.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-13 20:00:52,677 INFO L168 Benchmark]: Boogie Preprocessor took 13.40 ms. Allocated memory is still 181.4 MB. Free memory was 140.5 MB in the beginning and 139.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-13 20:00:52,678 INFO L168 Benchmark]: RCFGBuilder took 387.64 ms. Allocated memory is still 181.4 MB. Free memory was 139.0 MB in the beginning and 115.3 MB in the end (delta: 23.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2021-06-13 20:00:52,678 INFO L168 Benchmark]: TraceAbstraction took 3824.47 ms. Allocated memory was 181.4 MB in the beginning and 692.1 MB in the end (delta: 510.7 MB). Free memory was 114.9 MB in the beginning and 460.5 MB in the end (delta: -345.6 MB). Peak memory consumption was 165.9 MB. Max. memory is 8.0 GB. [2021-06-13 20:00:52,680 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 181.4 MB. Free memory was 162.8 MB in the beginning and 162.7 MB in the end (delta: 105.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 403.24 ms. Allocated memory is still 181.4 MB. Free memory was 144.3 MB in the beginning and 142.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 28.36 ms. Allocated memory is still 181.4 MB. Free memory was 142.2 MB in the beginning and 140.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 13.40 ms. Allocated memory is still 181.4 MB. Free memory was 140.5 MB in the beginning and 139.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 387.64 ms. Allocated memory is still 181.4 MB. Free memory was 139.0 MB in the beginning and 115.3 MB in the end (delta: 23.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3824.47 ms. Allocated memory was 181.4 MB in the beginning and 692.1 MB in the end (delta: 510.7 MB). Free memory was 114.9 MB in the beginning and 460.5 MB in the end (delta: -345.6 MB). Peak memory consumption was 165.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 150941, positive: 145564, positive conditional: 145564, positive unconditional: 0, negative: 5377, negative conditional: 5377, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 146513, positive: 145564, positive conditional: 145564, positive unconditional: 0, negative: 949, negative conditional: 949, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 146513, positive: 144540, positive conditional: 0, positive unconditional: 144540, negative: 1973, negative conditional: 0, negative unconditional: 1973, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 811, positive: 794, positive conditional: 0, positive unconditional: 794, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 811, positive: 788, positive conditional: 0, positive unconditional: 788, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 54, positive: 28, positive conditional: 22, positive unconditional: 6, negative: 26, negative conditional: 9, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 94, positive: 46, positive conditional: 32, positive unconditional: 14, negative: 49, negative conditional: 8, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 146513, positive: 143746, positive conditional: 0, positive unconditional: 143746, negative: 1956, negative conditional: 0, negative unconditional: 1956, unknown: 811, unknown conditional: 0, unknown unconditional: 811] , Statistics on independence cache: Total cache size (in pairs): 842, Positive cache size: 816, Positive conditional cache size: 22, Positive unconditional cache size: 794, Negative cache size: 26, Negative conditional cache size: 9, Negative unconditional cache size: 17, SemanticConditionEliminator.Independence Queries: [ total: 6532, positive: 1024, positive conditional: 1024, positive unconditional: 0, negative: 5508, negative conditional: 166, negative unconditional: 5342, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6532, positive: 1024, positive conditional: 1024, positive unconditional: 0, negative: 5508, negative conditional: 166, negative unconditional: 5342, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 54, positive: 28, positive conditional: 22, positive unconditional: 6, negative: 26, negative conditional: 9, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 94, positive: 46, positive conditional: 32, positive unconditional: 14, negative: 49, negative conditional: 8, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6532, positive: 1002, positive conditional: 1002, positive unconditional: 0, negative: 5499, negative conditional: 157, negative unconditional: 5342, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 842, Positive cache size: 816, Positive conditional cache size: 22, Positive unconditional cache size: 794, Negative cache size: 26, Negative conditional cache size: 9, Negative unconditional cache size: 17, Eliminated conditions: 5342, SemanticConditionEliminator.Independence Queries: [ total: 6532, positive: 1024, positive conditional: 1024, positive unconditional: 0, negative: 5508, negative conditional: 166, negative unconditional: 5342, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6532, positive: 1024, positive conditional: 1024, positive unconditional: 0, negative: 5508, negative conditional: 166, negative unconditional: 5342, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 54, positive: 28, positive conditional: 22, positive unconditional: 6, negative: 26, negative conditional: 9, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 94, positive: 46, positive conditional: 32, positive unconditional: 14, negative: 49, negative conditional: 8, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6532, positive: 1002, positive conditional: 1002, positive unconditional: 0, negative: 5499, negative conditional: 157, negative unconditional: 5342, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 842, Positive cache size: 816, Positive conditional cache size: 22, Positive unconditional cache size: 794, Negative cache size: 26, Negative conditional cache size: 9, Negative unconditional cache size: 17, Eliminated conditions: 5342, SemanticConditionEliminator.Independence Queries: [ total: 6532, positive: 1024, positive conditional: 1024, positive unconditional: 0, negative: 5508, negative conditional: 166, negative unconditional: 5342, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6532, positive: 1024, positive conditional: 1024, positive unconditional: 0, negative: 5508, negative conditional: 166, negative unconditional: 5342, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 54, positive: 28, positive conditional: 22, positive unconditional: 6, negative: 26, negative conditional: 9, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 94, positive: 46, positive conditional: 32, positive unconditional: 14, negative: 49, negative conditional: 8, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6532, positive: 1002, positive conditional: 1002, positive unconditional: 0, negative: 5499, negative conditional: 157, negative unconditional: 5342, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 842, Positive cache size: 816, Positive conditional cache size: 22, Positive unconditional cache size: 794, Negative cache size: 26, Negative conditional cache size: 9, Negative unconditional cache size: 17, Eliminated conditions: 5342, SemanticConditionEliminator.Independence Queries: [ total: 6532, positive: 1024, positive conditional: 1024, positive unconditional: 0, negative: 5508, negative conditional: 166, negative unconditional: 5342, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6532, positive: 1024, positive conditional: 1024, positive unconditional: 0, negative: 5508, negative conditional: 166, negative unconditional: 5342, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 54, positive: 28, positive conditional: 22, positive unconditional: 6, negative: 26, negative conditional: 9, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 94, positive: 46, positive conditional: 32, positive unconditional: 14, negative: 49, negative conditional: 8, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6532, positive: 1002, positive conditional: 1002, positive unconditional: 0, negative: 5499, negative conditional: 157, negative unconditional: 5342, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 842, Positive cache size: 816, Positive conditional cache size: 22, Positive unconditional cache size: 794, Negative cache size: 26, Negative conditional cache size: 9, Negative unconditional cache size: 17, Eliminated conditions: 5342, SemanticConditionEliminator.Independence Queries: [ total: 6532, positive: 1024, positive conditional: 1024, positive unconditional: 0, negative: 5508, negative conditional: 166, negative unconditional: 5342, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6532, positive: 1024, positive conditional: 1024, positive unconditional: 0, negative: 5508, negative conditional: 166, negative unconditional: 5342, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 54, positive: 28, positive conditional: 22, positive unconditional: 6, negative: 26, negative conditional: 9, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 94, positive: 46, positive conditional: 32, positive unconditional: 14, negative: 49, negative conditional: 8, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 6532, positive: 1002, positive conditional: 1002, positive unconditional: 0, negative: 5499, negative conditional: 157, negative unconditional: 5342, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 842, Positive cache size: 816, Positive conditional cache size: 22, Positive unconditional cache size: 794, Negative cache size: 26, Negative conditional cache size: 9, Negative unconditional cache size: 17, Eliminated conditions: 5342 ], Maximal queried relation: 5, Independence queries for same thread: 4428 - 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: 3730.7ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.4ms, PartialOrderReductionTime: 2874.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 49, 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: 25.9ms SsaConstructionTime, 132.8ms SatisfiabilityAnalysisTime, 505.5ms InterpolantComputationTime, 336 NumberOfCodeBlocks, 336 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 331 ConstructedInterpolants, 0 QuantifiedInterpolants, 771 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...