/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-DelaySleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe006_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788 [2021-06-02 06:29:48,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-02 06:29:48,465 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-02 06:29:48,492 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-02 06:29:48,530 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-02 06:29:48,530 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-02 06:29:48,531 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-02 06:29:48,532 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-02 06:29:48,532 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-02 06:29:48,533 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-02 06:29:48,533 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-02 06:29:48,533 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-02 06:29:48,533 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-02 06:29:48,534 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-02 06:29:48,534 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-02 06:29:48,540 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-DelaySleepPersistent-NoLbe.epf [2021-06-02 06:29:48,568 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-02 06:29:48,568 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-02 06:29:48,568 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-02 06:29:48,568 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-02 06:29:48,570 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-02 06:29:48,570 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-02 06:29:48,570 INFO L138 SettingsManager]: * Use SBE=true [2021-06-02 06:29:48,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-02 06:29:48,571 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-02 06:29:48,571 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-02 06:29:48,571 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-02 06:29:48,571 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-02 06:29:48,571 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-02 06:29:48,571 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-02 06:29:48,572 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-02 06:29:48,572 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-02 06:29:48,572 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-02 06:29:48,572 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-02 06:29:48,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-02 06:29:48,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-02 06:29:48,572 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-02 06:29:48,572 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-02 06:29:48,572 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-02 06:29:48,572 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-02 06:29:48,572 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-02 06:29:48,573 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-02 06:29:48,573 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-02 06:29:48,573 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-02 06:29:48,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-02 06:29:48,573 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-02 06:29:48,573 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-02 06:29:48,573 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-02 06:29:48,573 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_DELAY_SET [2021-06-02 06:29:48,573 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-02 06:29:48,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-02 06:29:48,824 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-02 06:29:48,826 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-02 06:29:48,827 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-02 06:29:48,827 INFO L275 PluginConnector]: CDTParser initialized [2021-06-02 06:29:48,828 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe006_pso.opt.i [2021-06-02 06:29:48,865 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82669e0a6/96a3d923a3464126b4ef0502d796aa74/FLAG5a6263a45 [2021-06-02 06:29:49,504 INFO L306 CDTParser]: Found 1 translation units. [2021-06-02 06:29:49,504 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe006_pso.opt.i [2021-06-02 06:29:49,514 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82669e0a6/96a3d923a3464126b4ef0502d796aa74/FLAG5a6263a45 [2021-06-02 06:29:49,916 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82669e0a6/96a3d923a3464126b4ef0502d796aa74 [2021-06-02 06:29:49,918 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-02 06:29:49,919 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-02 06:29:49,929 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-02 06:29:49,929 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-02 06:29:49,934 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-02 06:29:49,934 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.06 06:29:49" (1/1) ... [2021-06-02 06:29:49,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52f76037 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:29:49, skipping insertion in model container [2021-06-02 06:29:49,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.06 06:29:49" (1/1) ... [2021-06-02 06:29:49,940 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-02 06:29:49,975 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-02 06:29:50,070 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/safe006_pso.opt.i[949,962] [2021-06-02 06:29:50,206 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-02 06:29:50,213 INFO L203 MainTranslator]: Completed pre-run [2021-06-02 06:29:50,223 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/safe006_pso.opt.i[949,962] [2021-06-02 06:29:50,250 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-02 06:29:50,297 INFO L208 MainTranslator]: Completed translation [2021-06-02 06:29:50,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:29:50 WrapperNode [2021-06-02 06:29:50,298 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-02 06:29:50,299 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-02 06:29:50,299 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-02 06:29:50,299 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-02 06:29:50,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:29:50" (1/1) ... [2021-06-02 06:29:50,312 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:29:50" (1/1) ... [2021-06-02 06:29:50,323 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-02 06:29:50,324 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-02 06:29:50,324 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-02 06:29:50,324 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-02 06:29:50,329 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:29:50" (1/1) ... [2021-06-02 06:29:50,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:29:50" (1/1) ... [2021-06-02 06:29:50,330 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:29:50" (1/1) ... [2021-06-02 06:29:50,331 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:29:50" (1/1) ... [2021-06-02 06:29:50,333 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:29:50" (1/1) ... [2021-06-02 06:29:50,334 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:29:50" (1/1) ... [2021-06-02 06:29:50,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:29:50" (1/1) ... [2021-06-02 06:29:50,337 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-02 06:29:50,337 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-02 06:29:50,337 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-02 06:29:50,337 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-02 06:29:50,338 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:29:50" (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 [2021-06-02 06:29:50,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-02 06:29:50,424 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-02 06:29:50,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-02 06:29:50,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-02 06:29:50,424 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-02 06:29:50,424 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-02 06:29:50,424 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-02 06:29:50,424 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-02 06:29:50,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-02 06:29:50,425 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-02 06:29:50,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-02 06:29:50,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-02 06:29:50,426 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-02 06:29:50,753 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-02 06:29:50,754 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-02 06:29:50,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 06:29:50 BoogieIcfgContainer [2021-06-02 06:29:50,756 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-02 06:29:50,757 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-02 06:29:50,757 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-02 06:29:50,759 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-02 06:29:50,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.06 06:29:49" (1/3) ... [2021-06-02 06:29:50,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39f8a2ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 06:29:50, skipping insertion in model container [2021-06-02 06:29:50,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.06 06:29:50" (2/3) ... [2021-06-02 06:29:50,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39f8a2ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 06:29:50, skipping insertion in model container [2021-06-02 06:29:50,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 06:29:50" (3/3) ... [2021-06-02 06:29:50,761 INFO L111 eAbstractionObserver]: Analyzing ICFG safe006_pso.opt.i [2021-06-02 06:29:50,764 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-02 06:29:50,765 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-02 06:29:50,765 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-02 06:29:50,765 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-02 06:29:50,788 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:29:50,789 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:29:50,789 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:29:50,789 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:29:50,789 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:29:50,789 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:29:50,789 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:29:50,789 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:29:50,790 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:29:50,790 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:29:50,790 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:29:50,790 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:29:50,791 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:29:50,791 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:29:50,791 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:29:50,791 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:29:50,791 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:29:50,791 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:29:50,792 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:29:50,792 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:29:50,792 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:29:50,792 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:29:50,793 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:29:50,793 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:29:50,794 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:29:50,794 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:29:50,795 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:29:50,795 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:29:50,798 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:29:50,798 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:29:50,798 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:29:50,799 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-02 06:29:50,801 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-02 06:29:50,815 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 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 [2021-06-02 06:29:50,862 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 06:29:50,862 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 06:29:50,862 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 06:29:50,862 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 06:29:50,862 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 06:29:50,863 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 06:29:50,863 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 06:29:50,863 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-02 06:29:51,023 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:29:51,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:29:51,026 INFO L82 PathProgramCache]: Analyzing trace with hash -593502858, now seen corresponding path program 1 times [2021-06-02 06:29:51,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:29:51,037 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483653576] [2021-06-02 06:29:51,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:29:51,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:29:51,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 06:29:51,378 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:29:51,378 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483653576] [2021-06-02 06:29:51,378 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483653576] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:29:51,378 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:29:51,378 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-02 06:29:51,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483359875] [2021-06-02 06:29:51,382 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-02 06:29:51,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:29:51,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-02 06:29:51,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-02 06:29:51,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:29:51,394 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:29:51,399 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 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) [2021-06-02 06:29:51,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:29:51,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:29:51,585 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-02 06:29:51,585 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:29:51,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:29:51,588 INFO L82 PathProgramCache]: Analyzing trace with hash 939667255, now seen corresponding path program 1 times [2021-06-02 06:29:51,588 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:29:51,588 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853891044] [2021-06-02 06:29:51,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:29:51,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:29:51,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 06:29:51,705 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:29:51,705 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853891044] [2021-06-02 06:29:51,706 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853891044] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:29:51,706 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:29:51,706 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-02 06:29:51,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518729618] [2021-06-02 06:29:51,707 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-02 06:29:51,707 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:29:51,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-02 06:29:51,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-02 06:29:51,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:29:51,709 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:29:51,710 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 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) [2021-06-02 06:29:51,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:29:51,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:29:51,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:29:51,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:29:51,829 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-02 06:29:51,829 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:29:51,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:29:51,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1896535252, now seen corresponding path program 1 times [2021-06-02 06:29:51,832 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:29:51,833 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265197048] [2021-06-02 06:29:51,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:29:51,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:29:51,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 06:29:51,933 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:29:51,933 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265197048] [2021-06-02 06:29:51,933 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265197048] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:29:51,933 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:29:51,933 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-02 06:29:51,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496659351] [2021-06-02 06:29:51,934 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-02 06:29:51,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:29:51,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-02 06:29:51,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-02 06:29:51,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:29:51,935 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:29:51,935 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 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) [2021-06-02 06:29:51,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:29:51,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:29:51,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:29:52,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:29:52,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:29:52,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-02 06:29:52,071 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-02 06:29:52,071 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-02 06:29:52,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 06:29:52,071 INFO L82 PathProgramCache]: Analyzing trace with hash -56614108, now seen corresponding path program 1 times [2021-06-02 06:29:52,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 06:29:52,072 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633464867] [2021-06-02 06:29:52,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 06:29:52,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 06:29:52,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 06:29:52,153 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 06:29:52,153 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633464867] [2021-06-02 06:29:52,153 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633464867] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 06:29:52,153 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 06:29:52,153 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-02 06:29:52,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564224496] [2021-06-02 06:29:52,153 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-02 06:29:52,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 06:29:52,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-02 06:29:52,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-06-02 06:29:52,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:29:52,154 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 06:29:52,154 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.571428571428571) internal successors, (46), 7 states have internal predecessors, (46), 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) [2021-06-02 06:29:52,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:29:52,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:29:52,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-02 06:29:52,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 06:29:52,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-02 06:29:52,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 06:29:52,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-02 06:29:52,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-02 06:29:52,392 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-02 06:29:52,398 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-02 06:29:52,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.06 06:29:52 BasicIcfg [2021-06-02 06:29:52,399 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-02 06:29:52,400 INFO L168 Benchmark]: Toolchain (without parser) took 2480.80 ms. Allocated memory is still 348.1 MB. Free memory was 309.8 MB in the beginning and 225.7 MB in the end (delta: 84.2 MB). Peak memory consumption was 85.9 MB. Max. memory is 16.0 GB. [2021-06-02 06:29:52,400 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 348.1 MB. Free memory was 328.0 MB in the beginning and 328.0 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-02 06:29:52,401 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.81 ms. Allocated memory is still 348.1 MB. Free memory was 309.6 MB in the beginning and 311.9 MB in the end (delta: -2.3 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.0 GB. [2021-06-02 06:29:52,401 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.73 ms. Allocated memory is still 348.1 MB. Free memory was 311.9 MB in the beginning and 309.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-02 06:29:52,401 INFO L168 Benchmark]: Boogie Preprocessor took 13.10 ms. Allocated memory is still 348.1 MB. Free memory was 309.8 MB in the beginning and 308.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-02 06:29:52,401 INFO L168 Benchmark]: RCFGBuilder took 418.29 ms. Allocated memory is still 348.1 MB. Free memory was 308.0 MB in the beginning and 284.6 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-06-02 06:29:52,402 INFO L168 Benchmark]: TraceAbstraction took 1642.69 ms. Allocated memory is still 348.1 MB. Free memory was 284.6 MB in the beginning and 225.7 MB in the end (delta: 59.0 MB). Peak memory consumption was 62.1 MB. Max. memory is 16.0 GB. [2021-06-02 06:29:52,403 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 348.1 MB. Free memory was 328.0 MB in the beginning and 328.0 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 368.81 ms. Allocated memory is still 348.1 MB. Free memory was 309.6 MB in the beginning and 311.9 MB in the end (delta: -2.3 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 24.73 ms. Allocated memory is still 348.1 MB. Free memory was 311.9 MB in the beginning and 309.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 13.10 ms. Allocated memory is still 348.1 MB. Free memory was 309.8 MB in the beginning and 308.0 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 418.29 ms. Allocated memory is still 348.1 MB. Free memory was 308.0 MB in the beginning and 284.6 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1642.69 ms. Allocated memory is still 348.1 MB. Free memory was 284.6 MB in the beginning and 225.7 MB in the end (delta: 59.0 MB). Peak memory consumption was 62.1 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: 1338, positive: 1264, positive conditional: 1264, positive unconditional: 0, negative: 74, negative conditional: 74, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1299, positive: 1264, positive conditional: 1264, positive unconditional: 0, negative: 35, negative conditional: 35, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 6238, positive: 6148, positive conditional: 0, positive unconditional: 6148, negative: 90, negative conditional: 0, negative unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1321, positive: 1300, positive conditional: 0, positive unconditional: 1300, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1321, positive: 1289, positive conditional: 0, positive unconditional: 1289, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 16, positive conditional: 5, positive unconditional: 11, negative: 30, negative conditional: 9, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 121, positive: 66, positive conditional: 5, positive unconditional: 60, negative: 55, negative conditional: 10, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6238, positive: 4848, positive conditional: 0, positive unconditional: 4848, negative: 69, negative conditional: 0, negative unconditional: 69, unknown: 1321, unknown conditional: 0, unknown unconditional: 1321] , Statistics on independence cache: Total cache size (in pairs): 1335, Positive cache size: 1305, Positive conditional cache size: 5, Positive unconditional cache size: 1300, Negative cache size: 30, Negative conditional cache size: 9, Negative unconditional cache size: 21, SemanticConditionEliminator.Independence Queries: [ total: 148, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 135, negative conditional: 25, negative unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 148, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 135, negative conditional: 25, negative unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 16, positive conditional: 5, positive unconditional: 11, negative: 30, negative conditional: 9, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 121, positive: 66, positive conditional: 5, positive unconditional: 60, negative: 55, negative conditional: 10, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 148, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 126, negative conditional: 16, negative unconditional: 110, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1335, Positive cache size: 1305, Positive conditional cache size: 5, Positive unconditional cache size: 1300, Negative cache size: 30, Negative conditional cache size: 9, Negative unconditional cache size: 21, Eliminated conditions: 110, SemanticConditionEliminator.Independence Queries: [ total: 148, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 135, negative conditional: 25, negative unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 148, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 135, negative conditional: 25, negative unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 16, positive conditional: 5, positive unconditional: 11, negative: 30, negative conditional: 9, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 121, positive: 66, positive conditional: 5, positive unconditional: 60, negative: 55, negative conditional: 10, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 148, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 126, negative conditional: 16, negative unconditional: 110, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1335, Positive cache size: 1305, Positive conditional cache size: 5, Positive unconditional cache size: 1300, Negative cache size: 30, Negative conditional cache size: 9, Negative unconditional cache size: 21, Eliminated conditions: 110, SemanticConditionEliminator.Independence Queries: [ total: 148, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 135, negative conditional: 25, negative unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 148, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 135, negative conditional: 25, negative unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 16, positive conditional: 5, positive unconditional: 11, negative: 30, negative conditional: 9, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 121, positive: 66, positive conditional: 5, positive unconditional: 60, negative: 55, negative conditional: 10, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 148, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 126, negative conditional: 16, negative unconditional: 110, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1335, Positive cache size: 1305, Positive conditional cache size: 5, Positive unconditional cache size: 1300, Negative cache size: 30, Negative conditional cache size: 9, Negative unconditional cache size: 21, Eliminated conditions: 110, SemanticConditionEliminator.Independence Queries: [ total: 148, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 135, negative conditional: 25, negative unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 148, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 135, negative conditional: 25, negative unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 16, positive conditional: 5, positive unconditional: 11, negative: 30, negative conditional: 9, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 121, positive: 66, positive conditional: 5, positive unconditional: 60, negative: 55, negative conditional: 10, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 148, positive: 8, positive conditional: 8, positive unconditional: 0, negative: 126, negative conditional: 16, negative unconditional: 110, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1335, Positive cache size: 1305, Positive conditional cache size: 5, Positive unconditional cache size: 1300, Negative cache size: 30, Negative conditional cache size: 9, Negative unconditional cache size: 21, Eliminated conditions: 110 ], Maximal queried relation: 4, Independence queries for same thread: 39 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 264, Number of persistent set computation: 761, Number of trivial persistent sets: 474, Underlying independence relation: CachedIndependenceRelation.Independence Queries: [ total: 6238, positive: 6148, positive conditional: 0, positive unconditional: 6148, negative: 90, negative conditional: 0, negative unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1321, positive: 1300, positive conditional: 0, positive unconditional: 1300, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1321, positive: 1289, positive conditional: 0, positive unconditional: 1289, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 46, positive: 16, positive conditional: 5, positive unconditional: 11, negative: 30, negative conditional: 9, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 121, positive: 66, positive conditional: 5, positive unconditional: 60, negative: 55, negative conditional: 10, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6238, positive: 4848, positive conditional: 0, positive unconditional: 4848, negative: 69, negative conditional: 0, negative unconditional: 69, unknown: 1321, unknown conditional: 0, unknown unconditional: 1321] , Statistics on independence cache: Total cache size (in pairs): 1335, Positive cache size: 1305, Positive conditional cache size: 5, Positive unconditional cache size: 1300, Negative cache size: 30, Negative conditional cache size: 9, Negative unconditional cache size: 21 - 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 5 procedures, 82 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1571.3ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.5ms, PartialOrderReductionTime: 826.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 37, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 14.7ms SsaConstructionTime, 116.9ms SatisfiabilityAnalysisTime, 423.7ms InterpolantComputationTime, 176 NumberOfCodeBlocks, 176 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 172 ConstructedInterpolants, 0 QuantifiedInterpolants, 682 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...