/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-FA-NoLbe-Separate.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe033_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-770125f [2021-05-21 23:39:14,243 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-21 23:39:14,244 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-21 23:39:14,273 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-05-21 23:39:14,279 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-21 23:39:14,280 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-21 23:39:14,280 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-21 23:39:14,281 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-21 23:39:14,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-21 23:39:14,282 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-21 23:39:14,283 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-21 23:39:14,284 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-21 23:39:14,285 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-21 23:39:14,286 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-21 23:39:14,287 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-21 23:39:14,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-21 23:39:14,289 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-21 23:39:14,294 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-21 23:39:14,294 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-21 23:39:14,295 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-21 23:39:14,295 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-FA-NoLbe-Separate.epf [2021-05-21 23:39:14,312 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-21 23:39:14,312 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-21 23:39:14,312 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-05-21 23:39:14,312 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-05-21 23:39:14,313 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-21 23:39:14,313 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-21 23:39:14,313 INFO L138 SettingsManager]: * Use SBE=true [2021-05-21 23:39:14,313 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-21 23:39:14,313 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-21 23:39:14,314 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-21 23:39:14,314 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-21 23:39:14,314 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-21 23:39:14,314 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-21 23:39:14,314 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-21 23:39:14,314 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-21 23:39:14,314 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-21 23:39:14,314 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-21 23:39:14,314 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-21 23:39:14,314 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-21 23:39:14,314 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-21 23:39:14,315 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-21 23:39:14,315 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-21 23:39:14,315 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-21 23:39:14,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-21 23:39:14,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-21 23:39:14,315 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-21 23:39:14,315 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-21 23:39:14,315 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-21 23:39:14,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-21 23:39:14,315 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-05-21 23:39:14,315 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-21 23:39:14,316 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2021-05-21 23:39:14,316 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-21 23:39:14,531 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-21 23:39:14,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-21 23:39:14,552 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-21 23:39:14,553 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-21 23:39:14,553 INFO L275 PluginConnector]: CDTParser initialized [2021-05-21 23:39:14,554 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe033_tso.oepc.i [2021-05-21 23:39:14,612 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78da3b39f/c736ab1fc9224c3c9d2cbd9de27ef2be/FLAG8d1aaf18a [2021-05-21 23:39:15,046 INFO L306 CDTParser]: Found 1 translation units. [2021-05-21 23:39:15,046 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe033_tso.oepc.i [2021-05-21 23:39:15,063 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78da3b39f/c736ab1fc9224c3c9d2cbd9de27ef2be/FLAG8d1aaf18a [2021-05-21 23:39:15,397 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78da3b39f/c736ab1fc9224c3c9d2cbd9de27ef2be [2021-05-21 23:39:15,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-21 23:39:15,402 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-05-21 23:39:15,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-21 23:39:15,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-21 23:39:15,407 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-21 23:39:15,408 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.05 11:39:15" (1/1) ... [2021-05-21 23:39:15,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a4caae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 11:39:15, skipping insertion in model container [2021-05-21 23:39:15,410 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.05 11:39:15" (1/1) ... [2021-05-21 23:39:15,413 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-21 23:39:15,448 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-21 23:39:15,541 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/safe033_tso.oepc.i[950,963] [2021-05-21 23:39:15,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-21 23:39:15,647 INFO L203 MainTranslator]: Completed pre-run [2021-05-21 23:39:15,654 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/safe033_tso.oepc.i[950,963] [2021-05-21 23:39:15,669 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-21 23:39:15,714 INFO L208 MainTranslator]: Completed translation [2021-05-21 23:39:15,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 11:39:15 WrapperNode [2021-05-21 23:39:15,714 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-21 23:39:15,715 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-05-21 23:39:15,715 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-05-21 23:39:15,715 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-05-21 23:39:15,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 11:39:15" (1/1) ... [2021-05-21 23:39:15,728 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 11:39:15" (1/1) ... [2021-05-21 23:39:15,739 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-05-21 23:39:15,740 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-21 23:39:15,740 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-21 23:39:15,740 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-21 23:39:15,744 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 11:39:15" (1/1) ... [2021-05-21 23:39:15,745 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 11:39:15" (1/1) ... [2021-05-21 23:39:15,746 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 11:39:15" (1/1) ... [2021-05-21 23:39:15,747 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 11:39:15" (1/1) ... [2021-05-21 23:39:15,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 11:39:15" (1/1) ... [2021-05-21 23:39:15,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 11:39:15" (1/1) ... [2021-05-21 23:39:15,751 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 11:39:15" (1/1) ... [2021-05-21 23:39:15,753 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-21 23:39:15,753 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-21 23:39:15,753 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-21 23:39:15,753 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-21 23:39:15,754 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 11:39:15" (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 [2021-05-21 23:39:15,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-21 23:39:15,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-05-21 23:39:15,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-21 23:39:15,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-21 23:39:15,809 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-05-21 23:39:15,809 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-05-21 23:39:15,809 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-05-21 23:39:15,809 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-05-21 23:39:15,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-21 23:39:15,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-05-21 23:39:15,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-21 23:39:15,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-21 23:39:15,810 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-05-21 23:39:16,064 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-21 23:39:16,064 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-05-21 23:39:16,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.05 11:39:16 BoogieIcfgContainer [2021-05-21 23:39:16,066 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-21 23:39:16,069 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-21 23:39:16,069 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-21 23:39:16,071 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-21 23:39:16,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.05 11:39:15" (1/3) ... [2021-05-21 23:39:16,072 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c3b6add and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.05 11:39:16, skipping insertion in model container [2021-05-21 23:39:16,072 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 11:39:15" (2/3) ... [2021-05-21 23:39:16,073 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c3b6add and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.05 11:39:16, skipping insertion in model container [2021-05-21 23:39:16,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.05 11:39:16" (3/3) ... [2021-05-21 23:39:16,074 INFO L111 eAbstractionObserver]: Analyzing ICFG safe033_tso.oepc.i [2021-05-21 23:39:16,080 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-05-21 23:39:16,080 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-05-21 23:39:16,080 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-05-21 23:39:16,081 INFO L478 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-05-21 23:39:16,106 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:39:16,106 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:39:16,106 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:39:16,106 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:39:16,106 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:39:16,107 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:39:16,107 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:39:16,107 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:39:16,108 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:39:16,108 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:39:16,108 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:39:16,108 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:39:16,108 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:39:16,109 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:39:16,109 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:39:16,109 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:39:16,109 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:39:16,110 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:39:16,110 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:39:16,110 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:39:16,110 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:39:16,110 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:39:16,111 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:39:16,111 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:39:16,113 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:39:16,113 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:39:16,113 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:39:16,113 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:39:16,117 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:39:16,117 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:39:16,118 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:39:16,118 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 23:39:16,123 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-05-21 23:39:16,137 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-21 23:39:16,161 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-21 23:39:16,161 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-21 23:39:16,161 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-21 23:39:16,161 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-21 23:39:16,161 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-21 23:39:16,161 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-21 23:39:16,161 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-21 23:39:16,162 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-21 23:39:16,170 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 71 places, 66 transitions, 142 flow [2021-05-21 23:39:16,230 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1245 states, 1243 states have (on average 2.696701528559936) internal successors, (3352), 1244 states have internal predecessors, (3352), 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) [2021-05-21 23:39:16,233 INFO L276 IsEmpty]: Start isEmpty. Operand has 1245 states, 1243 states have (on average 2.696701528559936) internal successors, (3352), 1244 states have internal predecessors, (3352), 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) [2021-05-21 23:39:16,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-05-21 23:39:16,259 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 23:39:16,259 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 23:39:16,260 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 23:39:16,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 23:39:16,263 INFO L82 PathProgramCache]: Analyzing trace with hash 311474389, now seen corresponding path program 1 times [2021-05-21 23:39:16,268 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 23:39:16,269 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718503387] [2021-05-21 23:39:16,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 23:39:16,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 23:39:16,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 23:39:16,528 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 23:39:16,528 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718503387] [2021-05-21 23:39:16,529 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718503387] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 23:39:16,530 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 23:39:16,530 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-05-21 23:39:16,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710322462] [2021-05-21 23:39:16,534 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-05-21 23:39:16,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 23:39:16,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-05-21 23:39:16,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-05-21 23:39:16,547 INFO L87 Difference]: Start difference. First operand has 1245 states, 1243 states have (on average 2.696701528559936) internal successors, (3352), 1244 states have internal predecessors, (3352), 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) Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 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) [2021-05-21 23:39:16,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 23:39:16,744 INFO L93 Difference]: Finished difference Result 1700 states and 4422 transitions. [2021-05-21 23:39:16,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-21 23:39:16,746 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 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) Word has length 40 [2021-05-21 23:39:16,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 23:39:16,756 INFO L225 Difference]: With dead ends: 1700 [2021-05-21 23:39:16,757 INFO L226 Difference]: Without dead ends: 719 [2021-05-21 23:39:16,758 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 159.5ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-05-21 23:39:16,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2021-05-21 23:39:16,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 719. [2021-05-21 23:39:16,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 719 states, 718 states have (on average 2.5292479108635098) internal successors, (1816), 718 states have internal predecessors, (1816), 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) [2021-05-21 23:39:16,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 1816 transitions. [2021-05-21 23:39:16,809 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 1816 transitions. Word has length 40 [2021-05-21 23:39:16,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 23:39:16,810 INFO L482 AbstractCegarLoop]: Abstraction has 719 states and 1816 transitions. [2021-05-21 23:39:16,810 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 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) [2021-05-21 23:39:16,810 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 1816 transitions. [2021-05-21 23:39:16,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-05-21 23:39:16,812 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 23:39:16,812 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 23:39:16,812 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-21 23:39:16,812 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 23:39:16,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 23:39:16,813 INFO L82 PathProgramCache]: Analyzing trace with hash -84238732, now seen corresponding path program 1 times [2021-05-21 23:39:16,813 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 23:39:16,813 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250296382] [2021-05-21 23:39:16,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 23:39:16,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 23:39:16,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 23:39:16,925 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 23:39:16,925 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250296382] [2021-05-21 23:39:16,925 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250296382] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 23:39:16,925 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 23:39:16,926 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-05-21 23:39:16,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667637286] [2021-05-21 23:39:16,926 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-05-21 23:39:16,927 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 23:39:16,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-05-21 23:39:16,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-05-21 23:39:16,927 INFO L87 Difference]: Start difference. First operand 719 states and 1816 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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) [2021-05-21 23:39:17,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 23:39:17,116 INFO L93 Difference]: Finished difference Result 775 states and 1895 transitions. [2021-05-21 23:39:17,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-21 23:39:17,116 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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) Word has length 42 [2021-05-21 23:39:17,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 23:39:17,118 INFO L225 Difference]: With dead ends: 775 [2021-05-21 23:39:17,118 INFO L226 Difference]: Without dead ends: 579 [2021-05-21 23:39:17,119 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 154.7ms TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-05-21 23:39:17,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2021-05-21 23:39:17,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 579. [2021-05-21 23:39:17,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 579 states, 578 states have (on average 2.41522491349481) internal successors, (1396), 578 states have internal predecessors, (1396), 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) [2021-05-21 23:39:17,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 1396 transitions. [2021-05-21 23:39:17,142 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 1396 transitions. Word has length 42 [2021-05-21 23:39:17,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 23:39:17,142 INFO L482 AbstractCegarLoop]: Abstraction has 579 states and 1396 transitions. [2021-05-21 23:39:17,143 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 6 states have internal predecessors, (42), 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) [2021-05-21 23:39:17,143 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 1396 transitions. [2021-05-21 23:39:17,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2021-05-21 23:39:17,145 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 23:39:17,145 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 23:39:17,145 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-05-21 23:39:17,146 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 23:39:17,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 23:39:17,149 INFO L82 PathProgramCache]: Analyzing trace with hash -139727149, now seen corresponding path program 1 times [2021-05-21 23:39:17,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 23:39:17,149 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61742068] [2021-05-21 23:39:17,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 23:39:17,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 23:39:17,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 23:39:17,279 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 23:39:17,279 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61742068] [2021-05-21 23:39:17,280 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61742068] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 23:39:17,280 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 23:39:17,280 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-05-21 23:39:17,280 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110677445] [2021-05-21 23:39:17,280 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-05-21 23:39:17,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 23:39:17,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-05-21 23:39:17,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-05-21 23:39:17,281 INFO L87 Difference]: Start difference. First operand 579 states and 1396 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 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) [2021-05-21 23:39:17,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 23:39:17,381 INFO L93 Difference]: Finished difference Result 447 states and 1023 transitions. [2021-05-21 23:39:17,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-05-21 23:39:17,382 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 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) Word has length 44 [2021-05-21 23:39:17,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 23:39:17,383 INFO L225 Difference]: With dead ends: 447 [2021-05-21 23:39:17,384 INFO L226 Difference]: Without dead ends: 315 [2021-05-21 23:39:17,384 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 86.6ms TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2021-05-21 23:39:17,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2021-05-21 23:39:17,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 315. [2021-05-21 23:39:17,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 315 states, 314 states have (on average 2.2038216560509554) internal successors, (692), 314 states have internal predecessors, (692), 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) [2021-05-21 23:39:17,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 692 transitions. [2021-05-21 23:39:17,390 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 692 transitions. Word has length 44 [2021-05-21 23:39:17,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 23:39:17,390 INFO L482 AbstractCegarLoop]: Abstraction has 315 states and 692 transitions. [2021-05-21 23:39:17,390 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 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) [2021-05-21 23:39:17,390 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 692 transitions. [2021-05-21 23:39:17,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-05-21 23:39:17,391 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 23:39:17,392 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 23:39:17,392 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-05-21 23:39:17,392 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 23:39:17,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 23:39:17,393 INFO L82 PathProgramCache]: Analyzing trace with hash -1515060719, now seen corresponding path program 1 times [2021-05-21 23:39:17,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 23:39:17,394 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980253164] [2021-05-21 23:39:17,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 23:39:17,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 23:39:17,515 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 23:39:17,515 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 23:39:17,515 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980253164] [2021-05-21 23:39:17,516 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980253164] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 23:39:17,516 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 23:39:17,516 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-05-21 23:39:17,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304214008] [2021-05-21 23:39:17,517 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-05-21 23:39:17,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 23:39:17,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-05-21 23:39:17,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-05-21 23:39:17,521 INFO L87 Difference]: Start difference. First operand 315 states and 692 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 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) [2021-05-21 23:39:17,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 23:39:17,580 INFO L93 Difference]: Finished difference Result 456 states and 1014 transitions. [2021-05-21 23:39:17,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-05-21 23:39:17,580 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 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) Word has length 48 [2021-05-21 23:39:17,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 23:39:17,583 INFO L225 Difference]: With dead ends: 456 [2021-05-21 23:39:17,583 INFO L226 Difference]: Without dead ends: 235 [2021-05-21 23:39:17,583 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 65.8ms TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-05-21 23:39:17,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2021-05-21 23:39:17,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235. [2021-05-21 23:39:17,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 234 states have (on average 2.1452991452991452) internal successors, (502), 234 states have internal predecessors, (502), 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) [2021-05-21 23:39:17,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 502 transitions. [2021-05-21 23:39:17,587 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 502 transitions. Word has length 48 [2021-05-21 23:39:17,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 23:39:17,588 INFO L482 AbstractCegarLoop]: Abstraction has 235 states and 502 transitions. [2021-05-21 23:39:17,588 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 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) [2021-05-21 23:39:17,588 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 502 transitions. [2021-05-21 23:39:17,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2021-05-21 23:39:17,588 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 23:39:17,589 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 23:39:17,589 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-05-21 23:39:17,589 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-21 23:39:17,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 23:39:17,593 INFO L82 PathProgramCache]: Analyzing trace with hash -1407365135, now seen corresponding path program 2 times [2021-05-21 23:39:17,593 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 23:39:17,593 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92320159] [2021-05-21 23:39:17,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 23:39:17,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 23:39:17,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 23:39:17,714 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 23:39:17,714 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92320159] [2021-05-21 23:39:17,714 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [92320159] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 23:39:17,714 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 23:39:17,714 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-05-21 23:39:17,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194118261] [2021-05-21 23:39:17,715 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-05-21 23:39:17,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 23:39:17,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-05-21 23:39:17,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-05-21 23:39:17,718 INFO L87 Difference]: Start difference. First operand 235 states and 502 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 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) [2021-05-21 23:39:17,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 23:39:17,776 INFO L93 Difference]: Finished difference Result 217 states and 460 transitions. [2021-05-21 23:39:17,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-05-21 23:39:17,781 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 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) Word has length 48 [2021-05-21 23:39:17,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 23:39:17,781 INFO L225 Difference]: With dead ends: 217 [2021-05-21 23:39:17,782 INFO L226 Difference]: Without dead ends: 0 [2021-05-21 23:39:17,782 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 71.5ms TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-05-21 23:39:17,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-05-21 23:39:17,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-05-21 23:39:17,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-05-21 23:39:17,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-05-21 23:39:17,783 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 48 [2021-05-21 23:39:17,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 23:39:17,783 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-05-21 23:39:17,783 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 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) [2021-05-21 23:39:17,783 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-05-21 23:39:17,783 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-05-21 23:39:17,783 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-05-21 23:39:17,784 INFO L315 ceAbstractionStarter]: Result for error location AllErrorsAtOnce was SAFE (1/2) [2021-05-21 23:39:17,785 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-05-21 23:39:17,786 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-21 23:39:17,786 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-21 23:39:17,786 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-21 23:39:17,786 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-21 23:39:17,786 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-21 23:39:17,786 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-21 23:39:17,786 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-21 23:39:17,786 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == InUseError======== [2021-05-21 23:39:17,789 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 71 places, 66 transitions, 142 flow [2021-05-21 23:39:17,807 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1245 states, 1243 states have (on average 2.696701528559936) internal successors, (3352), 1244 states have internal predecessors, (3352), 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) [2021-05-21 23:39:17,809 INFO L276 IsEmpty]: Start isEmpty. Operand has 1245 states, 1243 states have (on average 2.696701528559936) internal successors, (3352), 1244 states have internal predecessors, (3352), 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) [2021-05-21 23:39:17,813 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-05-21 23:39:17,813 INFO L315 ceAbstractionStarter]: Result for error location InUseError was SAFE (2/2) [2021-05-21 23:39:17,813 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-05-21 23:39:17,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.05 11:39:17 BasicIcfg [2021-05-21 23:39:17,815 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-21 23:39:17,816 INFO L168 Benchmark]: Toolchain (without parser) took 2414.23 ms. Allocated memory is still 390.1 MB. Free memory was 353.2 MB in the beginning and 328.0 MB in the end (delta: 25.2 MB). Peak memory consumption was 26.7 MB. Max. memory is 16.0 GB. [2021-05-21 23:39:17,816 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 390.1 MB. Free memory was 371.3 MB in the beginning and 371.2 MB in the end (delta: 69.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-05-21 23:39:17,818 INFO L168 Benchmark]: CACSL2BoogieTranslator took 309.35 ms. Allocated memory is still 390.1 MB. Free memory was 353.0 MB in the beginning and 352.8 MB in the end (delta: 216.8 kB). Peak memory consumption was 9.2 MB. Max. memory is 16.0 GB. [2021-05-21 23:39:17,818 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.51 ms. Allocated memory is still 390.1 MB. Free memory was 352.8 MB in the beginning and 350.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-05-21 23:39:17,818 INFO L168 Benchmark]: Boogie Preprocessor took 13.20 ms. Allocated memory is still 390.1 MB. Free memory was 350.7 MB in the beginning and 349.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-05-21 23:39:17,820 INFO L168 Benchmark]: RCFGBuilder took 313.20 ms. Allocated memory is still 390.1 MB. Free memory was 349.6 MB in the beginning and 325.5 MB in the end (delta: 24.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-05-21 23:39:17,821 INFO L168 Benchmark]: TraceAbstraction took 1746.81 ms. Allocated memory is still 390.1 MB. Free memory was 324.5 MB in the beginning and 328.0 MB in the end (delta: -3.6 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-05-21 23:39:17,823 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 390.1 MB. Free memory was 371.3 MB in the beginning and 371.2 MB in the end (delta: 69.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 309.35 ms. Allocated memory is still 390.1 MB. Free memory was 353.0 MB in the beginning and 352.8 MB in the end (delta: 216.8 kB). Peak memory consumption was 9.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 24.51 ms. Allocated memory is still 390.1 MB. Free memory was 352.8 MB in the beginning and 350.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 13.20 ms. Allocated memory is still 390.1 MB. Free memory was 350.7 MB in the beginning and 349.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 313.20 ms. Allocated memory is still 390.1 MB. Free memory was 349.6 MB in the beginning and 325.5 MB in the end (delta: 24.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1746.81 ms. Allocated memory is still 390.1 MB. Free memory was 324.5 MB in the beginning and 328.0 MB in the end (delta: -3.6 MB). There was no memory consumed. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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 with 1 thread instances CFG has 5 procedures, 81 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1624.8ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 34.4ms, AutomataDifference: 652.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 68.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 357 SDtfs, 469 SDslu, 1156 SDs, 0 SdLazy, 143 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 143.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 538.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1245occurred in iteration=0, InterpolantAutomatonStates: 43, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 75.8ms AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 14.6ms SsaConstructionTime, 130.5ms SatisfiabilityAnalysisTime, 517.2ms InterpolantComputationTime, 222 NumberOfCodeBlocks, 222 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 217 ConstructedInterpolants, 0 QuantifiedInterpolants, 649 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 1 thread instances CFG has 5 procedures, 81 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 27.2ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 5.4ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 21.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1245occurred in iteration=0, InterpolantAutomatonStates: 0, 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: 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...