/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.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe035_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 02:27:57,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 02:27:57,709 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 02:27:57,748 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 02:27:57,803 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.epf [2021-06-06 02:27:57,837 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 02:27:57,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 02:27:57,838 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 02:27:57,838 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 02:27:57,841 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 02:27:57,841 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 02:27:57,841 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 02:27:57,841 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 02:27:57,841 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 02:27:57,842 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 02:27:57,842 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 02:27:57,842 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 02:27:57,843 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 02:27:57,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 02:27:57,843 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 02:27:57,843 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 02:27:57,843 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 02:27:57,843 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 02:27:57,843 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 02:27:57,844 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 02:27:57,844 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 02:27:57,844 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 02:27:57,844 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 02:27:57,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 02:27:57,844 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 02:27:57,845 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 02:27:57,845 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 02:27:57,845 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 02:27:57,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 02:27:57,845 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 02:27:57,845 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 02:27:57,845 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 02:27:57,846 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 02:27:57,846 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 02:27:58,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 02:27:58,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 02:27:58,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 02:27:58,201 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-06 02:27:58,202 INFO L275 PluginConnector]: CDTParser initialized [2021-06-06 02:27:58,203 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe035_rmo.opt.i [2021-06-06 02:27:58,263 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2b5c6443/71d272f8f57c490da031dcdac883aee2/FLAG0711fa3c5 [2021-06-06 02:27:58,843 INFO L306 CDTParser]: Found 1 translation units. [2021-06-06 02:27:58,844 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe035_rmo.opt.i [2021-06-06 02:27:58,865 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2b5c6443/71d272f8f57c490da031dcdac883aee2/FLAG0711fa3c5 [2021-06-06 02:27:59,226 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2b5c6443/71d272f8f57c490da031dcdac883aee2 [2021-06-06 02:27:59,228 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 02:27:59,229 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-06 02:27:59,233 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-06 02:27:59,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-06 02:27:59,249 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-06 02:27:59,249 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 02:27:59" (1/1) ... [2021-06-06 02:27:59,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c94a699 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:27:59, skipping insertion in model container [2021-06-06 02:27:59,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.06 02:27:59" (1/1) ... [2021-06-06 02:27:59,256 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-06 02:27:59,294 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-06 02:27:59,415 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/safe035_rmo.opt.i[949,962] [2021-06-06 02:27:59,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 02:27:59,560 INFO L203 MainTranslator]: Completed pre-run [2021-06-06 02:27:59,570 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/safe035_rmo.opt.i[949,962] [2021-06-06 02:27:59,591 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-06 02:27:59,647 INFO L208 MainTranslator]: Completed translation [2021-06-06 02:27:59,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:27:59 WrapperNode [2021-06-06 02:27:59,648 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-06 02:27:59,649 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 02:27:59,649 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 02:27:59,649 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 02:27:59,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:27:59" (1/1) ... [2021-06-06 02:27:59,666 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:27:59" (1/1) ... [2021-06-06 02:27:59,682 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 02:27:59,683 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 02:27:59,683 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 02:27:59,683 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 02:27:59,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:27:59" (1/1) ... [2021-06-06 02:27:59,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:27:59" (1/1) ... [2021-06-06 02:27:59,692 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:27:59" (1/1) ... [2021-06-06 02:27:59,692 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:27:59" (1/1) ... [2021-06-06 02:27:59,697 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:27:59" (1/1) ... [2021-06-06 02:27:59,698 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:27:59" (1/1) ... [2021-06-06 02:27:59,700 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:27:59" (1/1) ... [2021-06-06 02:27:59,702 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 02:27:59,702 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 02:27:59,703 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 02:27:59,703 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 02:27:59,703 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:27:59" (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 02:27:59,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-06 02:27:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-06 02:27:59,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-06 02:27:59,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-06 02:27:59,766 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-06 02:27:59,766 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-06 02:27:59,766 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-06 02:27:59,766 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-06 02:27:59,766 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-06 02:27:59,766 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-06 02:27:59,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-06 02:27:59,766 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-06 02:27:59,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 02:27:59,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 02:27:59,768 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 02:28:00,238 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 02:28:00,238 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-06 02:28:00,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 02:28:00 BoogieIcfgContainer [2021-06-06 02:28:00,241 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 02:28:00,242 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 02:28:00,242 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 02:28:00,245 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 02:28:00,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.06 02:27:59" (1/3) ... [2021-06-06 02:28:00,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3409043d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 02:28:00, skipping insertion in model container [2021-06-06 02:28:00,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.06 02:27:59" (2/3) ... [2021-06-06 02:28:00,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3409043d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 02:28:00, skipping insertion in model container [2021-06-06 02:28:00,247 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 02:28:00" (3/3) ... [2021-06-06 02:28:00,248 INFO L111 eAbstractionObserver]: Analyzing ICFG safe035_rmo.opt.i [2021-06-06 02:28:00,253 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 02:28:00,254 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 02:28:00,254 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 02:28:00,254 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 02:28:00,289 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,290 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,290 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,290 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,290 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,290 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,291 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,291 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,293 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,293 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,294 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,294 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,294 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,295 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,295 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,295 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,296 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,296 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,297 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,297 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,298 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,298 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,298 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,298 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,299 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,299 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,299 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,299 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,299 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,299 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,299 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,300 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,300 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,300 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,300 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,300 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,302 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,303 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,303 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,303 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,308 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,308 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,309 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,309 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,311 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,311 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,311 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,312 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-06 02:28:00,316 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-06 02:28:00,336 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 02:28:00,381 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 02:28:00,381 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 02:28:00,382 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 02:28:00,382 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 02:28:00,382 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 02:28:00,382 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 02:28:00,382 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 02:28:00,382 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 02:28:00,418 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 02:28:00,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 02:28:00,422 INFO L82 PathProgramCache]: Analyzing trace with hash -770763965, now seen corresponding path program 1 times [2021-06-06 02:28:00,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 02:28:00,428 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359444830] [2021-06-06 02:28:00,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 02:28:00,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 02:28:00,788 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 02:28:00,788 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 02:28:00,788 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359444830] [2021-06-06 02:28:00,789 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359444830] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 02:28:00,789 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 02:28:00,789 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-06 02:28:00,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396999310] [2021-06-06 02:28:00,793 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 02:28:00,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 02:28:00,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 02:28:00,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-06 02:28:00,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 02:28:00,806 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 02:28:00,808 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 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 02:28:00,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 02:28:01,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-06 02:28:01,466 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 02:28:01,466 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 02:28:01,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 02:28:01,467 INFO L82 PathProgramCache]: Analyzing trace with hash -1516541119, now seen corresponding path program 1 times [2021-06-06 02:28:01,467 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 02:28:01,467 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932785776] [2021-06-06 02:28:01,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 02:28:01,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 02:28:01,607 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 02:28:01,608 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 02:28:01,609 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932785776] [2021-06-06 02:28:01,611 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932785776] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 02:28:01,611 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 02:28:01,612 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-06 02:28:01,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145052984] [2021-06-06 02:28:01,614 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-06 02:28:01,614 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 02:28:01,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-06 02:28:01,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-06-06 02:28:01,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 02:28:01,623 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 02:28:01,623 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 6 states have internal predecessors, (57), 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 02:28:01,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-06 02:28:01,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 02:28:02,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 02:28:02,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 02:28:02,920 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 02:28:02,920 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 02:28:02,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 02:28:02,921 INFO L82 PathProgramCache]: Analyzing trace with hash -648575730, now seen corresponding path program 1 times [2021-06-06 02:28:02,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 02:28:02,921 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761845768] [2021-06-06 02:28:02,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 02:28:02,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 02:28:03,051 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 02:28:03,052 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 02:28:03,052 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761845768] [2021-06-06 02:28:03,052 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761845768] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 02:28:03,052 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 02:28:03,052 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-06 02:28:03,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629434328] [2021-06-06 02:28:03,053 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 02:28:03,053 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 02:28:03,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 02:28:03,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-06 02:28:03,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 02:28:03,056 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 02:28:03,056 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 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 02:28:03,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 02:28:03,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 02:28:03,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 02:28:03,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 02:28:03,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 02:28:03,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 02:28:03,527 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-06 02:28:03,527 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-06 02:28:03,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 02:28:03,528 INFO L82 PathProgramCache]: Analyzing trace with hash 1687305009, now seen corresponding path program 1 times [2021-06-06 02:28:03,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 02:28:03,529 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799419171] [2021-06-06 02:28:03,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 02:28:03,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 02:28:03,678 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 02:28:03,679 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 02:28:03,679 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799419171] [2021-06-06 02:28:03,679 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799419171] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 02:28:03,679 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 02:28:03,679 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-06 02:28:03,679 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379892499] [2021-06-06 02:28:03,680 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-06 02:28:03,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 02:28:03,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-06 02:28:03,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-06 02:28:03,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 02:28:03,681 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 02:28:03,681 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 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 02:28:03,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 02:28:03,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 02:28:03,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 02:28:03,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 02:28:04,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 02:28:04,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 02:28:04,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 02:28:04,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 02:28:04,466 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-06 02:28:04,483 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-06 02:28:04,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.06 02:28:04 BasicIcfg [2021-06-06 02:28:04,485 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-06 02:28:04,486 INFO L168 Benchmark]: Toolchain (without parser) took 5256.10 ms. Allocated memory was 348.1 MB in the beginning and 419.4 MB in the end (delta: 71.3 MB). Free memory was 310.4 MB in the beginning and 318.0 MB in the end (delta: -7.6 MB). Peak memory consumption was 258.0 MB. Max. memory is 16.0 GB. [2021-06-06 02:28:04,486 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 348.1 MB. Free memory is still 328.5 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 02:28:04,487 INFO L168 Benchmark]: CACSL2BoogieTranslator took 415.58 ms. Allocated memory is still 348.1 MB. Free memory was 310.3 MB in the beginning and 310.9 MB in the end (delta: -607.4 kB). Peak memory consumption was 7.0 MB. Max. memory is 16.0 GB. [2021-06-06 02:28:04,487 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.66 ms. Allocated memory is still 348.1 MB. Free memory was 310.9 MB in the beginning and 308.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-06 02:28:04,488 INFO L168 Benchmark]: Boogie Preprocessor took 18.71 ms. Allocated memory is still 348.1 MB. Free memory was 308.7 MB in the beginning and 307.7 MB in the end (delta: 995.8 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 02:28:04,490 INFO L168 Benchmark]: RCFGBuilder took 538.60 ms. Allocated memory is still 348.1 MB. Free memory was 307.7 MB in the beginning and 281.5 MB in the end (delta: 26.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2021-06-06 02:28:04,491 INFO L168 Benchmark]: TraceAbstraction took 4242.57 ms. Allocated memory was 348.1 MB in the beginning and 419.4 MB in the end (delta: 71.3 MB). Free memory was 281.5 MB in the beginning and 318.0 MB in the end (delta: -36.5 MB). Peak memory consumption was 229.8 MB. Max. memory is 16.0 GB. [2021-06-06 02:28:04,493 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 348.1 MB. Free memory is still 328.5 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 415.58 ms. Allocated memory is still 348.1 MB. Free memory was 310.3 MB in the beginning and 310.9 MB in the end (delta: -607.4 kB). Peak memory consumption was 7.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 33.66 ms. Allocated memory is still 348.1 MB. Free memory was 310.9 MB in the beginning and 308.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 18.71 ms. Allocated memory is still 348.1 MB. Free memory was 308.7 MB in the beginning and 307.7 MB in the end (delta: 995.8 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 538.60 ms. Allocated memory is still 348.1 MB. Free memory was 307.7 MB in the beginning and 281.5 MB in the end (delta: 26.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 4242.57 ms. Allocated memory was 348.1 MB in the beginning and 419.4 MB in the end (delta: 71.3 MB). Free memory was 281.5 MB in the beginning and 318.0 MB in the end (delta: -36.5 MB). Peak memory consumption was 229.8 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: 72401, positive: 71335, positive conditional: 71335, positive unconditional: 0, negative: 1066, negative conditional: 1066, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 71943, positive: 71335, positive conditional: 71335, positive unconditional: 0, negative: 608, negative conditional: 608, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 71943, positive: 70936, positive conditional: 0, positive unconditional: 70936, negative: 1007, negative conditional: 0, negative unconditional: 1007, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 920, positive: 900, positive conditional: 0, positive unconditional: 900, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 920, positive: 896, positive conditional: 0, positive unconditional: 896, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 68, positive: 26, positive conditional: 22, positive unconditional: 4, negative: 42, negative conditional: 22, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, positive: 58, positive conditional: 48, positive unconditional: 10, negative: 101, negative conditional: 41, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 71943, positive: 70036, positive conditional: 0, positive unconditional: 70036, negative: 987, negative conditional: 0, negative unconditional: 987, unknown: 920, unknown conditional: 0, unknown unconditional: 920] , Statistics on independence cache: Total cache size (in pairs): 964, Positive cache size: 922, Positive conditional cache size: 22, Positive unconditional cache size: 900, Negative cache size: 42, Negative conditional cache size: 22, Negative unconditional cache size: 20, SemanticConditionEliminator.Independence Queries: [ total: 2726, positive: 399, positive conditional: 399, positive unconditional: 0, negative: 2327, negative conditional: 562, negative unconditional: 1765, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2726, positive: 399, positive conditional: 399, positive unconditional: 0, negative: 2327, negative conditional: 562, negative unconditional: 1765, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 68, positive: 26, positive conditional: 22, positive unconditional: 4, negative: 42, negative conditional: 22, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, positive: 58, positive conditional: 48, positive unconditional: 10, negative: 101, negative conditional: 41, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2726, positive: 377, positive conditional: 377, positive unconditional: 0, negative: 2305, negative conditional: 540, negative unconditional: 1765, unknown: 44, unknown conditional: 44, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 964, Positive cache size: 922, Positive conditional cache size: 22, Positive unconditional cache size: 900, Negative cache size: 42, Negative conditional cache size: 22, Negative unconditional cache size: 20, Eliminated conditions: 1765, SemanticConditionEliminator.Independence Queries: [ total: 2726, positive: 399, positive conditional: 399, positive unconditional: 0, negative: 2327, negative conditional: 562, negative unconditional: 1765, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2726, positive: 399, positive conditional: 399, positive unconditional: 0, negative: 2327, negative conditional: 562, negative unconditional: 1765, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 68, positive: 26, positive conditional: 22, positive unconditional: 4, negative: 42, negative conditional: 22, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, positive: 58, positive conditional: 48, positive unconditional: 10, negative: 101, negative conditional: 41, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2726, positive: 377, positive conditional: 377, positive unconditional: 0, negative: 2305, negative conditional: 540, negative unconditional: 1765, unknown: 44, unknown conditional: 44, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 964, Positive cache size: 922, Positive conditional cache size: 22, Positive unconditional cache size: 900, Negative cache size: 42, Negative conditional cache size: 22, Negative unconditional cache size: 20, Eliminated conditions: 1765, SemanticConditionEliminator.Independence Queries: [ total: 2726, positive: 399, positive conditional: 399, positive unconditional: 0, negative: 2327, negative conditional: 562, negative unconditional: 1765, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2726, positive: 399, positive conditional: 399, positive unconditional: 0, negative: 2327, negative conditional: 562, negative unconditional: 1765, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 68, positive: 26, positive conditional: 22, positive unconditional: 4, negative: 42, negative conditional: 22, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, positive: 58, positive conditional: 48, positive unconditional: 10, negative: 101, negative conditional: 41, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2726, positive: 377, positive conditional: 377, positive unconditional: 0, negative: 2305, negative conditional: 540, negative unconditional: 1765, unknown: 44, unknown conditional: 44, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 964, Positive cache size: 922, Positive conditional cache size: 22, Positive unconditional cache size: 900, Negative cache size: 42, Negative conditional cache size: 22, Negative unconditional cache size: 20, Eliminated conditions: 1765, SemanticConditionEliminator.Independence Queries: [ total: 2726, positive: 399, positive conditional: 399, positive unconditional: 0, negative: 2327, negative conditional: 562, negative unconditional: 1765, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2726, positive: 399, positive conditional: 399, positive unconditional: 0, negative: 2327, negative conditional: 562, negative unconditional: 1765, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 68, positive: 26, positive conditional: 22, positive unconditional: 4, negative: 42, negative conditional: 22, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, positive: 58, positive conditional: 48, positive unconditional: 10, negative: 101, negative conditional: 41, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2726, positive: 377, positive conditional: 377, positive unconditional: 0, negative: 2305, negative conditional: 540, negative unconditional: 1765, unknown: 44, unknown conditional: 44, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 964, Positive cache size: 922, Positive conditional cache size: 22, Positive unconditional cache size: 900, Negative cache size: 42, Negative conditional cache size: 22, Negative unconditional cache size: 20, Eliminated conditions: 1765 ], Maximal queried relation: 4, Independence queries for same thread: 458 - 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: 4134.2ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10.3ms, PartialOrderReductionTime: 3233.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 47, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 17.4ms SsaConstructionTime, 141.7ms SatisfiabilityAnalysisTime, 541.8ms InterpolantComputationTime, 243 NumberOfCodeBlocks, 243 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 239 ConstructedInterpolants, 0 QuantifiedInterpolants, 927 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...