/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe015_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 19:32:06,884 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 19:32:06,886 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 19:32:06,926 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 19:32:06,993 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 19:32:06,994 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 19:32:06,994 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 19:32:06,998 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe-Random521.epf [2021-06-06 19:32:07,026 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 19:32:07,026 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 19:32:07,027 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 19:32:07,027 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 19:32:07,028 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 19:32:07,028 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 19:32:07,028 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 19:32:07,028 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 19:32:07,028 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 19:32:07,029 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 19:32:07,029 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 19:32:07,029 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 19:32:07,029 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 19:32:07,029 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 19:32:07,029 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 19:32:07,029 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 19:32:07,029 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 19:32:07,030 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 19:32:07,030 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 19:32:07,030 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 19:32:07,030 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 19:32:07,030 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 19:32:07,030 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 19:32:07,030 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 19:32:07,031 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 19:32:07,031 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 19:32:07,031 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 19:32:07,031 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 19:32:07,031 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-06 19:32:07,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 19:32:07,031 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 19:32:07,031 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 19:32:07,032 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 19:32:07,032 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 19:32:07,032 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-06 19:32:07,032 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 19:32:07,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 19:32:07,356 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 19:32:07,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 19:32:07,359 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-06 19:32:07,360 INFO L275 PluginConnector]: CDTParser initialized [2021-06-06 19:32:07,361 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe015_pso.oepc.i [2021-06-06 19:32:07,417 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f731f9fb2/73ea5f7f74de481098a1980d5418260f/FLAG1930cbf80 [2021-06-06 19:32:07,956 INFO L306 CDTParser]: Found 1 translation units. [2021-06-06 19:32:07,956 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe015_pso.oepc.i [2021-06-06 19:32:07,974 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f731f9fb2/73ea5f7f74de481098a1980d5418260f/FLAG1930cbf80 [2021-06-06 19:32:08,426 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f731f9fb2/73ea5f7f74de481098a1980d5418260f [2021-06-06 19:32:08,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 19:32:08,430 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-06 19:32:08,433 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-06 19:32:08,433 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-06 19:32:08,437 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-06 19:32:08,437 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 07:32:08" (1/1) ... [2021-06-06 19:32:08,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@420e81f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:32:08, skipping insertion in model container [2021-06-06 19:32:08,438 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 07:32:08" (1/1) ... [2021-06-06 19:32:08,450 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-06 19:32:08,489 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-06 19:32:08,653 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/safe015_pso.oepc.i[950,963] [2021-06-06 19:32:08,760 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 19:32:08,766 INFO L203 MainTranslator]: Completed pre-run [2021-06-06 19:32:08,776 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/safe015_pso.oepc.i[950,963] [2021-06-06 19:32:08,832 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 19:32:08,885 INFO L208 MainTranslator]: Completed translation [2021-06-06 19:32:08,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:32:08 WrapperNode [2021-06-06 19:32:08,886 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-06 19:32:08,887 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 19:32:08,887 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 19:32:08,887 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 19:32:08,893 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:32:08" (1/1) ... [2021-06-06 19:32:08,921 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:32:08" (1/1) ... [2021-06-06 19:32:08,945 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 19:32:08,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 19:32:08,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 19:32:08,946 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 19:32:08,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:32:08" (1/1) ... [2021-06-06 19:32:08,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:32:08" (1/1) ... [2021-06-06 19:32:08,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:32:08" (1/1) ... [2021-06-06 19:32:08,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:32:08" (1/1) ... [2021-06-06 19:32:08,971 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:32:08" (1/1) ... [2021-06-06 19:32:08,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:32:08" (1/1) ... [2021-06-06 19:32:08,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:32:08" (1/1) ... [2021-06-06 19:32:08,976 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 19:32:08,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 19:32:08,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 19:32:08,994 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 19:32:08,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:32:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 19:32:09,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-06 19:32:09,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-06 19:32:09,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-06 19:32:09,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-06 19:32:09,076 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-06 19:32:09,076 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-06 19:32:09,076 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-06 19:32:09,076 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-06 19:32:09,077 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-06 19:32:09,077 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-06 19:32:09,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-06 19:32:09,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-06 19:32:09,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 19:32:09,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 19:32:09,078 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 19:32:09,526 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 19:32:09,526 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-06 19:32:09,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 07:32:09 BoogieIcfgContainer [2021-06-06 19:32:09,529 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 19:32:09,531 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 19:32:09,531 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 19:32:09,533 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 19:32:09,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.06 07:32:08" (1/3) ... [2021-06-06 19:32:09,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f455057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 07:32:09, skipping insertion in model container [2021-06-06 19:32:09,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 07:32:08" (2/3) ... [2021-06-06 19:32:09,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f455057 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 07:32:09, skipping insertion in model container [2021-06-06 19:32:09,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 07:32:09" (3/3) ... [2021-06-06 19:32:09,537 INFO L111 eAbstractionObserver]: Analyzing ICFG safe015_pso.oepc.i [2021-06-06 19:32:09,542 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 19:32:09,543 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 19:32:09,543 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 19:32:09,543 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 19:32:09,582 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,582 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,582 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,582 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,582 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,583 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,583 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,583 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,583 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,583 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,584 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,584 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,584 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,584 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,585 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,585 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,586 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,587 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,587 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,587 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,590 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,591 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,591 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,591 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,595 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,595 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,596 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,596 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,597 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,597 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,597 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,597 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,597 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,598 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,598 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,598 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,600 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,600 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,600 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,600 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,605 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,605 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,606 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,606 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,608 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,608 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,608 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,609 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 19:32:09,613 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-06 19:32:09,634 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 [2021-06-06 19:32:09,694 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 19:32:09,694 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 19:32:09,694 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 19:32:09,694 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 19:32:09,694 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 19:32:09,694 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 19:32:09,695 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 19:32:09,695 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 19:32:09,781 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 19:32:09,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 19:32:09,786 INFO L82 PathProgramCache]: Analyzing trace with hash 1111164036, now seen corresponding path program 1 times [2021-06-06 19:32:09,793 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 19:32:09,793 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952459319] [2021-06-06 19:32:09,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 19:32:09,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 19:32:10,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 19:32:10,228 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 19:32:10,228 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952459319] [2021-06-06 19:32:10,229 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952459319] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 19:32:10,229 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 19:32:10,229 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-06 19:32:10,230 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292520032] [2021-06-06 19:32:10,233 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-06 19:32:10,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 19:32:10,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-06 19:32:10,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-06-06 19:32:10,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 19:32:10,247 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 19:32:10,249 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 19:32:10,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 19:32:10,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 19:32:10,529 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 19:32:10,529 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 19:32:10,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 19:32:10,532 INFO L82 PathProgramCache]: Analyzing trace with hash 1031939876, now seen corresponding path program 2 times [2021-06-06 19:32:10,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 19:32:10,533 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1734606843] [2021-06-06 19:32:10,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 19:32:10,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 19:32:10,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 19:32:10,742 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 19:32:10,742 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1734606843] [2021-06-06 19:32:10,743 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1734606843] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 19:32:10,743 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 19:32:10,744 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-06 19:32:10,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318808316] [2021-06-06 19:32:10,746 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-06 19:32:10,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 19:32:10,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-06 19:32:10,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-06 19:32:10,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 19:32:10,753 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 19:32:10,753 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 19:32:10,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 19:32:10,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 19:32:11,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 19:32:11,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 19:32:11,293 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 19:32:11,294 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 19:32:11,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 19:32:11,294 INFO L82 PathProgramCache]: Analyzing trace with hash 1957752426, now seen corresponding path program 3 times [2021-06-06 19:32:11,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 19:32:11,294 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572151507] [2021-06-06 19:32:11,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 19:32:11,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 19:32:11,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 19:32:11,418 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 19:32:11,418 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572151507] [2021-06-06 19:32:11,418 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572151507] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 19:32:11,419 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 19:32:11,419 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-06 19:32:11,419 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765111287] [2021-06-06 19:32:11,419 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 19:32:11,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 19:32:11,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 19:32:11,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-06 19:32:11,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 19:32:11,421 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 19:32:11,421 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 19:32:11,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 19:32:11,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 19:32:11,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 19:32:12,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 19:32:12,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 19:32:12,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 19:32:12,051 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-06 19:32:12,051 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 19:32:12,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 19:32:12,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1948082986, now seen corresponding path program 4 times [2021-06-06 19:32:12,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 19:32:12,052 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [310595313] [2021-06-06 19:32:12,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 19:32:12,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 19:32:12,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 19:32:12,238 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 19:32:12,238 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [310595313] [2021-06-06 19:32:12,238 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [310595313] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 19:32:12,238 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 19:32:12,239 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-06 19:32:12,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669091420] [2021-06-06 19:32:12,240 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-06 19:32:12,240 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 19:32:12,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-06 19:32:12,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-06 19:32:12,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 19:32:12,244 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 19:32:12,244 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 19:32:12,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 19:32:12,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 19:32:12,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 19:32:12,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 19:32:12,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 19:32:12,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 19:32:12,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 19:32:12,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 19:32:12,906 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-06 19:32:12,906 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 19:32:12,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 19:32:12,906 INFO L82 PathProgramCache]: Analyzing trace with hash -1693290656, now seen corresponding path program 5 times [2021-06-06 19:32:12,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 19:32:12,907 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580655523] [2021-06-06 19:32:12,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 19:32:12,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 19:32:13,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 19:32:13,007 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 19:32:13,007 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580655523] [2021-06-06 19:32:13,007 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580655523] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 19:32:13,007 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 19:32:13,008 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-06 19:32:13,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553909441] [2021-06-06 19:32:13,008 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-06 19:32:13,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 19:32:13,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-06 19:32:13,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-06-06 19:32:13,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 19:32:13,009 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 19:32:13,009 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 19:32:13,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 19:32:13,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-06 19:32:13,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 19:32:13,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-06 19:32:13,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 19:32:13,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 19:32:13,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-06 19:32:13,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 19:32:13,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-06 19:32:13,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 19:32:13,844 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-06 19:32:13,857 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 19:32:13,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 07:32:13 BasicIcfg [2021-06-06 19:32:13,858 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 19:32:13,862 INFO L168 Benchmark]: Toolchain (without parser) took 5429.26 ms. Allocated memory was 367.0 MB in the beginning and 444.6 MB in the end (delta: 77.6 MB). Free memory was 329.5 MB in the beginning and 179.0 MB in the end (delta: 150.5 MB). Peak memory consumption was 229.5 MB. Max. memory is 16.0 GB. [2021-06-06 19:32:13,862 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 367.0 MB. Free memory is still 347.7 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 19:32:13,862 INFO L168 Benchmark]: CACSL2BoogieTranslator took 453.23 ms. Allocated memory is still 367.0 MB. Free memory was 329.3 MB in the beginning and 329.2 MB in the end (delta: 86.9 kB). Peak memory consumption was 7.4 MB. Max. memory is 16.0 GB. [2021-06-06 19:32:13,862 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.47 ms. Allocated memory is still 367.0 MB. Free memory was 328.8 MB in the beginning and 327.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 19:32:13,863 INFO L168 Benchmark]: Boogie Preprocessor took 46.39 ms. Allocated memory is still 367.0 MB. Free memory was 327.1 MB in the beginning and 325.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 19:32:13,863 INFO L168 Benchmark]: RCFGBuilder took 536.06 ms. Allocated memory is still 367.0 MB. Free memory was 325.4 MB in the beginning and 300.7 MB in the end (delta: 24.8 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-06-06 19:32:13,863 INFO L168 Benchmark]: TraceAbstraction took 4327.68 ms. Allocated memory was 367.0 MB in the beginning and 444.6 MB in the end (delta: 77.6 MB). Free memory was 300.7 MB in the beginning and 179.0 MB in the end (delta: 121.7 MB). Peak memory consumption was 201.1 MB. Max. memory is 16.0 GB. [2021-06-06 19:32:13,866 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 367.0 MB. Free memory is still 347.7 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 453.23 ms. Allocated memory is still 367.0 MB. Free memory was 329.3 MB in the beginning and 329.2 MB in the end (delta: 86.9 kB). Peak memory consumption was 7.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 58.47 ms. Allocated memory is still 367.0 MB. Free memory was 328.8 MB in the beginning and 327.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 46.39 ms. Allocated memory is still 367.0 MB. Free memory was 327.1 MB in the beginning and 325.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 536.06 ms. Allocated memory is still 367.0 MB. Free memory was 325.4 MB in the beginning and 300.7 MB in the end (delta: 24.8 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 4327.68 ms. Allocated memory was 367.0 MB in the beginning and 444.6 MB in the end (delta: 77.6 MB). Free memory was 300.7 MB in the beginning and 179.0 MB in the end (delta: 121.7 MB). Peak memory consumption was 201.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 103631, positive: 99449, positive conditional: 99449, positive unconditional: 0, negative: 4182, negative conditional: 4182, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 100347, positive: 99449, positive conditional: 99449, positive unconditional: 0, negative: 898, negative conditional: 898, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 100347, positive: 98823, positive conditional: 0, positive unconditional: 98823, negative: 1524, negative conditional: 0, negative unconditional: 1524, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 671, positive: 658, positive conditional: 0, positive unconditional: 658, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 671, positive: 652, positive conditional: 0, positive unconditional: 652, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 29, negative conditional: 16, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 92, positive: 26, positive conditional: 13, positive unconditional: 13, negative: 66, negative conditional: 26, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 100347, positive: 98165, positive conditional: 0, positive unconditional: 98165, negative: 1511, negative conditional: 0, negative unconditional: 1511, unknown: 671, unknown conditional: 0, unknown unconditional: 671] , Statistics on independence cache: Total cache size (in pairs): 697, Positive cache size: 668, Positive conditional cache size: 10, Positive unconditional cache size: 658, Negative cache size: 29, Negative conditional cache size: 16, Negative unconditional cache size: 13, SemanticConditionEliminator.Independence Queries: [ total: 4136, positive: 626, positive conditional: 626, positive unconditional: 0, negative: 3510, negative conditional: 902, negative unconditional: 2608, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4136, positive: 626, positive conditional: 626, positive unconditional: 0, negative: 3510, negative conditional: 902, negative unconditional: 2608, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 29, negative conditional: 16, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 92, positive: 26, positive conditional: 13, positive unconditional: 13, negative: 66, negative conditional: 26, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4136, positive: 616, positive conditional: 616, positive unconditional: 0, negative: 3494, negative conditional: 886, negative unconditional: 2608, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 697, Positive cache size: 668, Positive conditional cache size: 10, Positive unconditional cache size: 658, Negative cache size: 29, Negative conditional cache size: 16, Negative unconditional cache size: 13, Eliminated conditions: 2608, SemanticConditionEliminator.Independence Queries: [ total: 4136, positive: 626, positive conditional: 626, positive unconditional: 0, negative: 3510, negative conditional: 902, negative unconditional: 2608, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4136, positive: 626, positive conditional: 626, positive unconditional: 0, negative: 3510, negative conditional: 902, negative unconditional: 2608, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 29, negative conditional: 16, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 92, positive: 26, positive conditional: 13, positive unconditional: 13, negative: 66, negative conditional: 26, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4136, positive: 616, positive conditional: 616, positive unconditional: 0, negative: 3494, negative conditional: 886, negative unconditional: 2608, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 697, Positive cache size: 668, Positive conditional cache size: 10, Positive unconditional cache size: 658, Negative cache size: 29, Negative conditional cache size: 16, Negative unconditional cache size: 13, Eliminated conditions: 2608, SemanticConditionEliminator.Independence Queries: [ total: 4136, positive: 626, positive conditional: 626, positive unconditional: 0, negative: 3510, negative conditional: 902, negative unconditional: 2608, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4136, positive: 626, positive conditional: 626, positive unconditional: 0, negative: 3510, negative conditional: 902, negative unconditional: 2608, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 29, negative conditional: 16, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 92, positive: 26, positive conditional: 13, positive unconditional: 13, negative: 66, negative conditional: 26, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4136, positive: 616, positive conditional: 616, positive unconditional: 0, negative: 3494, negative conditional: 886, negative unconditional: 2608, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 697, Positive cache size: 668, Positive conditional cache size: 10, Positive unconditional cache size: 658, Negative cache size: 29, Negative conditional cache size: 16, Negative unconditional cache size: 13, Eliminated conditions: 2608, SemanticConditionEliminator.Independence Queries: [ total: 4136, positive: 626, positive conditional: 626, positive unconditional: 0, negative: 3510, negative conditional: 902, negative unconditional: 2608, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4136, positive: 626, positive conditional: 626, positive unconditional: 0, negative: 3510, negative conditional: 902, negative unconditional: 2608, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 29, negative conditional: 16, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 92, positive: 26, positive conditional: 13, positive unconditional: 13, negative: 66, negative conditional: 26, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4136, positive: 616, positive conditional: 616, positive unconditional: 0, negative: 3494, negative conditional: 886, negative unconditional: 2608, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 697, Positive cache size: 668, Positive conditional cache size: 10, Positive unconditional cache size: 658, Negative cache size: 29, Negative conditional cache size: 16, Negative unconditional cache size: 13, Eliminated conditions: 2608, SemanticConditionEliminator.Independence Queries: [ total: 4136, positive: 626, positive conditional: 626, positive unconditional: 0, negative: 3510, negative conditional: 902, negative unconditional: 2608, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4136, positive: 626, positive conditional: 626, positive unconditional: 0, negative: 3510, negative conditional: 902, negative unconditional: 2608, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 45, positive: 16, positive conditional: 10, positive unconditional: 6, negative: 29, negative conditional: 16, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 92, positive: 26, positive conditional: 13, positive unconditional: 13, negative: 66, negative conditional: 26, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4136, positive: 616, positive conditional: 616, positive unconditional: 0, negative: 3494, negative conditional: 886, negative unconditional: 2608, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 697, Positive cache size: 668, Positive conditional cache size: 10, Positive unconditional cache size: 658, Negative cache size: 29, Negative conditional cache size: 16, Negative unconditional cache size: 13, Eliminated conditions: 2608 ], Maximal queried relation: 5, Independence queries for same thread: 3284 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 106 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4196.2ms, OverallIterations: 5, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 20.2ms, PartialOrderReductionTime: 3010.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 52, 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: 28.6ms SsaConstructionTime, 193.2ms SatisfiabilityAnalysisTime, 721.4ms InterpolantComputationTime, 330 NumberOfCodeBlocks, 330 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 325 ConstructedInterpolants, 0 QuantifiedInterpolants, 1297 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...