/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-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/stateful01-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 09:35:20,086 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 09:35:20,087 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 09:35:20,105 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 09:35:20,105 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 09:35:20,106 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 09:35:20,107 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 09:35:20,108 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 09:35:20,109 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 09:35:20,110 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 09:35:20,110 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 09:35:20,111 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 09:35:20,111 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 09:35:20,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 09:35:20,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 09:35:20,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 09:35:20,114 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 09:35:20,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 09:35:20,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 09:35:20,131 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 09:35:20,132 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 09:35:20,133 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 09:35:20,133 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 09:35:20,134 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 09:35:20,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-11 09:35:20,137 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-11 09:35:20,138 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-11 09:35:20,138 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-11 09:35:20,138 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-11 09:35:20,139 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-11 09:35:20,139 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-11 09:35:20,139 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-11 09:35:20,140 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-11 09:35:20,140 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 09:35:20,140 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 09:35:20,141 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 09:35:20,144 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-SemanticLbe.epf [2021-03-11 09:35:20,157 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 09:35:20,157 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 09:35:20,158 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 09:35:20,158 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 09:35:20,158 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 09:35:20,158 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 09:35:20,158 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 09:35:20,158 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 09:35:20,158 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 09:35:20,159 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 09:35:20,159 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 09:35:20,159 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 09:35:20,159 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 09:35:20,159 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 09:35:20,159 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 09:35:20,159 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 09:35:20,159 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 09:35:20,159 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 09:35:20,159 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 09:35:20,159 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 09:35:20,159 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 09:35:20,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 09:35:20,160 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 09:35:20,160 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 09:35:20,160 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 09:35:20,160 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 09:35:20,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 09:35:20,160 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-11 09:35:20,160 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 09:35:20,385 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 09:35:20,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 09:35:20,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 09:35:20,405 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-11 09:35:20,405 INFO L275 PluginConnector]: CDTParser initialized [2021-03-11 09:35:20,406 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stateful01-2.i [2021-03-11 09:35:20,455 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/372614e99/51be537895f5451aa57e3291b284d508/FLAGd2a2a389d [2021-03-11 09:35:20,902 INFO L306 CDTParser]: Found 1 translation units. [2021-03-11 09:35:20,902 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-2.i [2021-03-11 09:35:20,914 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/372614e99/51be537895f5451aa57e3291b284d508/FLAGd2a2a389d [2021-03-11 09:35:20,928 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/372614e99/51be537895f5451aa57e3291b284d508 [2021-03-11 09:35:20,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 09:35:20,933 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-11 09:35:20,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-11 09:35:20,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-11 09:35:20,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-11 09:35:20,937 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 09:35:20" (1/1) ... [2021-03-11 09:35:20,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aa73fd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:35:20, skipping insertion in model container [2021-03-11 09:35:20,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 09:35:20" (1/1) ... [2021-03-11 09:35:20,943 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-11 09:35:20,975 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-11 09:35:21,168 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-2.i[30826,30839] [2021-03-11 09:35:21,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 09:35:21,179 INFO L203 MainTranslator]: Completed pre-run [2021-03-11 09:35:21,209 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-2.i[30826,30839] [2021-03-11 09:35:21,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 09:35:21,262 INFO L208 MainTranslator]: Completed translation [2021-03-11 09:35:21,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:35:21 WrapperNode [2021-03-11 09:35:21,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-11 09:35:21,265 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 09:35:21,265 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 09:35:21,266 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 09:35:21,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:35:21" (1/1) ... [2021-03-11 09:35:21,295 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:35:21" (1/1) ... [2021-03-11 09:35:21,308 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 09:35:21,309 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 09:35:21,309 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 09:35:21,309 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 09:35:21,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:35:21" (1/1) ... [2021-03-11 09:35:21,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:35:21" (1/1) ... [2021-03-11 09:35:21,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:35:21" (1/1) ... [2021-03-11 09:35:21,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:35:21" (1/1) ... [2021-03-11 09:35:21,334 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:35:21" (1/1) ... [2021-03-11 09:35:21,335 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:35:21" (1/1) ... [2021-03-11 09:35:21,336 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:35:21" (1/1) ... [2021-03-11 09:35:21,337 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 09:35:21,338 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 09:35:21,338 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 09:35:21,338 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 09:35:21,338 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:35:21" (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 [2021-03-11 09:35:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-11 09:35:21,409 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-11 09:35:21,409 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-11 09:35:21,410 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-11 09:35:21,410 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-11 09:35:21,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-11 09:35:21,411 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-03-11 09:35:21,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-11 09:35:21,411 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-11 09:35:21,411 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-11 09:35:21,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 09:35:21,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 09:35:21,413 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-11 09:35:21,718 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 09:35:21,719 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-03-11 09:35:21,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 09:35:21 BoogieIcfgContainer [2021-03-11 09:35:21,720 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 09:35:21,721 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 09:35:21,721 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 09:35:21,723 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 09:35:21,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 09:35:20" (1/3) ... [2021-03-11 09:35:21,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23848da8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 09:35:21, skipping insertion in model container [2021-03-11 09:35:21,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 09:35:21" (2/3) ... [2021-03-11 09:35:21,724 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23848da8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 09:35:21, skipping insertion in model container [2021-03-11 09:35:21,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 09:35:21" (3/3) ... [2021-03-11 09:35:21,725 INFO L111 eAbstractionObserver]: Analyzing ICFG stateful01-2.i [2021-03-11 09:35:21,730 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-11 09:35:21,730 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 09:35:21,733 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-11 09:35:21,734 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 09:35:21,756 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,757 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,757 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,757 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,757 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,757 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,757 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,757 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,757 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,757 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,758 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,758 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,758 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,758 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,758 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,758 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,758 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,758 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,759 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,759 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,759 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,759 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,759 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,760 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,760 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,760 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,760 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,761 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,761 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,761 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,764 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,764 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,765 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,765 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,765 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,765 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,766 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,766 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,766 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,766 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,766 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,766 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,767 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,767 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,767 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,767 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,767 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,768 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,768 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,769 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,769 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,769 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,771 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,771 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,771 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,771 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,771 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,771 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,771 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,771 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,776 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,776 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,776 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,776 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,776 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,776 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 09:35:21,781 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-03-11 09:35:21,792 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-03-11 09:35:21,814 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 09:35:21,814 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-11 09:35:21,815 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 09:35:21,815 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 09:35:21,815 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 09:35:21,815 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 09:35:21,815 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 09:35:21,815 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 09:35:21,830 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-11 09:35:21,845 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 83 transitions, 188 flow [2021-03-11 09:35:21,847 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 83 transitions, 188 flow [2021-03-11 09:35:21,849 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 87 places, 83 transitions, 188 flow [2021-03-11 09:35:21,893 INFO L129 PetriNetUnfolder]: 2/83 cut-off events. [2021-03-11 09:35:21,893 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-11 09:35:21,896 INFO L84 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 83 events. 2/83 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 51 event pairs, 0 based on Foata normal form. 0/81 useless extension candidates. Maximal degree in co-relation 28. Up to 3 conditions per place. [2021-03-11 09:35:21,899 INFO L116 LiptonReduction]: Number of co-enabled transitions 680 [2021-03-11 09:35:23,961 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2021-03-11 09:35:24,205 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 85 [2021-03-11 09:35:24,678 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 132 [2021-03-11 09:35:24,845 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-03-11 09:35:25,216 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 132 [2021-03-11 09:35:25,393 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-03-11 09:35:25,396 INFO L131 LiptonReduction]: Checked pairs total: 3301 [2021-03-11 09:35:25,396 INFO L133 LiptonReduction]: Total number of compositions: 57 [2021-03-11 09:35:25,401 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 30 transitions, 82 flow [2021-03-11 09:35:25,411 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 198 states, 196 states have (on average 2.1122448979591835) internal successors, (414), 197 states have internal predecessors, (414), 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) [2021-03-11 09:35:25,413 INFO L276 IsEmpty]: Start isEmpty. Operand has 198 states, 196 states have (on average 2.1122448979591835) internal successors, (414), 197 states have internal predecessors, (414), 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) [2021-03-11 09:35:25,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-03-11 09:35:25,418 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:35:25,418 INFO L519 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] [2021-03-11 09:35:25,418 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:35:25,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:35:25,421 INFO L82 PathProgramCache]: Analyzing trace with hash -1194348412, now seen corresponding path program 1 times [2021-03-11 09:35:25,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:35:25,432 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790733289] [2021-03-11 09:35:25,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:35:25,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:35:25,611 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:35:25,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:35:25,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:35:25,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:35:25,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:35:25,616 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:35:25,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:35:25,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790733289] [2021-03-11 09:35:25,618 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:35:25,618 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 09:35:25,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047976345] [2021-03-11 09:35:25,621 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 09:35:25,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:35:25,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 09:35:25,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 09:35:25,630 INFO L87 Difference]: Start difference. First operand has 198 states, 196 states have (on average 2.1122448979591835) internal successors, (414), 197 states have internal predecessors, (414), 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 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2021-03-11 09:35:25,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:35:25,659 INFO L93 Difference]: Finished difference Result 150 states and 254 transitions. [2021-03-11 09:35:25,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 09:35:25,660 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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 25 [2021-03-11 09:35:25,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:35:25,666 INFO L225 Difference]: With dead ends: 150 [2021-03-11 09:35:25,666 INFO L226 Difference]: Without dead ends: 149 [2021-03-11 09:35:25,666 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 09:35:25,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2021-03-11 09:35:25,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2021-03-11 09:35:25,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 148 states have (on average 1.7094594594594594) internal successors, (253), 148 states have internal predecessors, (253), 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) [2021-03-11 09:35:25,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 253 transitions. [2021-03-11 09:35:25,691 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 253 transitions. Word has length 25 [2021-03-11 09:35:25,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:35:25,691 INFO L480 AbstractCegarLoop]: Abstraction has 149 states and 253 transitions. [2021-03-11 09:35:25,691 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2021-03-11 09:35:25,692 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 253 transitions. [2021-03-11 09:35:25,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-03-11 09:35:25,693 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:35:25,693 INFO L519 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] [2021-03-11 09:35:25,693 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-11 09:35:25,693 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:35:25,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:35:25,693 INFO L82 PathProgramCache]: Analyzing trace with hash 1382885984, now seen corresponding path program 1 times [2021-03-11 09:35:25,693 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:35:25,694 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937531993] [2021-03-11 09:35:25,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:35:25,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:35:25,749 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:35:25,749 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:35:25,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:35:25,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:35:25,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:35:25,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:35:25,771 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-03-11 09:35:25,772 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:35:25,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:35:25,781 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937531993] [2021-03-11 09:35:25,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:35:25,781 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-11 09:35:25,781 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448135271] [2021-03-11 09:35:25,782 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 09:35:25,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:35:25,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 09:35:25,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-11 09:35:25,786 INFO L87 Difference]: Start difference. First operand 149 states and 253 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 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) [2021-03-11 09:35:25,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:35:25,854 INFO L93 Difference]: Finished difference Result 206 states and 346 transitions. [2021-03-11 09:35:25,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-11 09:35:25,854 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 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 25 [2021-03-11 09:35:25,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:35:25,856 INFO L225 Difference]: With dead ends: 206 [2021-03-11 09:35:25,856 INFO L226 Difference]: Without dead ends: 100 [2021-03-11 09:35:25,857 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 43.1ms TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-11 09:35:25,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2021-03-11 09:35:25,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2021-03-11 09:35:25,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 99 states have (on average 1.6464646464646464) internal successors, (163), 99 states have internal predecessors, (163), 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) [2021-03-11 09:35:25,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 163 transitions. [2021-03-11 09:35:25,862 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 163 transitions. Word has length 25 [2021-03-11 09:35:25,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:35:25,862 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 163 transitions. [2021-03-11 09:35:25,862 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 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) [2021-03-11 09:35:25,862 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 163 transitions. [2021-03-11 09:35:25,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-03-11 09:35:25,863 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:35:25,863 INFO L519 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] [2021-03-11 09:35:25,863 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-11 09:35:25,863 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:35:25,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:35:25,863 INFO L82 PathProgramCache]: Analyzing trace with hash 876704964, now seen corresponding path program 2 times [2021-03-11 09:35:25,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:35:25,864 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842149813] [2021-03-11 09:35:25,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:35:25,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:35:25,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:35:25,917 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:35:25,917 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:35:25,918 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 09:35:25,920 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:35:25,920 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-03-11 09:35:25,923 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:35:25,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 09:35:25,926 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:35:25,927 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 09:35:25,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:35:25,927 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842149813] [2021-03-11 09:35:25,927 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:35:25,927 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-11 09:35:25,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142589182] [2021-03-11 09:35:25,928 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-11 09:35:25,928 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:35:25,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-11 09:35:25,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-11 09:35:25,931 INFO L87 Difference]: Start difference. First operand 100 states and 163 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 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) [2021-03-11 09:35:25,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:35:25,960 INFO L93 Difference]: Finished difference Result 100 states and 162 transitions. [2021-03-11 09:35:25,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-11 09:35:25,960 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 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 25 [2021-03-11 09:35:25,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:35:25,961 INFO L225 Difference]: With dead ends: 100 [2021-03-11 09:35:25,961 INFO L226 Difference]: Without dead ends: 73 [2021-03-11 09:35:25,961 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.9ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-11 09:35:25,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2021-03-11 09:35:25,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2021-03-11 09:35:25,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.5416666666666667) internal successors, (111), 72 states have internal predecessors, (111), 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) [2021-03-11 09:35:25,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 111 transitions. [2021-03-11 09:35:25,964 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 111 transitions. Word has length 25 [2021-03-11 09:35:25,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:35:25,965 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 111 transitions. [2021-03-11 09:35:25,965 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 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) [2021-03-11 09:35:25,965 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 111 transitions. [2021-03-11 09:35:25,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-03-11 09:35:25,965 INFO L511 BasicCegarLoop]: Found error trace [2021-03-11 09:35:25,965 INFO L519 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] [2021-03-11 09:35:25,966 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-11 09:35:25,966 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 09:35:25,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 09:35:25,966 INFO L82 PathProgramCache]: Analyzing trace with hash 1952177096, now seen corresponding path program 2 times [2021-03-11 09:35:25,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 09:35:25,966 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233363648] [2021-03-11 09:35:25,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 09:35:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 09:35:26,010 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:35:26,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:35:26,015 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:35:26,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:35:26,019 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 09:35:26,020 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:35:26,026 INFO L142 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-03-11 09:35:26,027 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 09:35:26,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 09:35:26,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233363648] [2021-03-11 09:35:26,033 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 09:35:26,033 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-11 09:35:26,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830639783] [2021-03-11 09:35:26,033 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 09:35:26,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 09:35:26,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 09:35:26,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-03-11 09:35:26,034 INFO L87 Difference]: Start difference. First operand 73 states and 111 transitions. Second operand has 6 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 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) [2021-03-11 09:35:26,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-11 09:35:26,061 INFO L93 Difference]: Finished difference Result 72 states and 110 transitions. [2021-03-11 09:35:26,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-11 09:35:26,063 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 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 25 [2021-03-11 09:35:26,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-11 09:35:26,063 INFO L225 Difference]: With dead ends: 72 [2021-03-11 09:35:26,063 INFO L226 Difference]: Without dead ends: 0 [2021-03-11 09:35:26,063 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 28.4ms TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-11 09:35:26,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-03-11 09:35:26,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-03-11 09:35:26,064 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) [2021-03-11 09:35:26,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-03-11 09:35:26,064 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2021-03-11 09:35:26,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-11 09:35:26,064 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-03-11 09:35:26,064 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 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) [2021-03-11 09:35:26,065 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-03-11 09:35:26,065 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-03-11 09:35:26,065 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-11 09:35:26,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 09:35:26 BasicIcfg [2021-03-11 09:35:26,067 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-11 09:35:26,071 INFO L168 Benchmark]: Toolchain (without parser) took 5136.95 ms. Allocated memory was 413.1 MB in the beginning and 507.5 MB in the end (delta: 94.4 MB). Free memory was 376.7 MB in the beginning and 445.6 MB in the end (delta: -68.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 16.0 GB. [2021-03-11 09:35:26,071 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 413.1 MB. Free memory was 394.5 MB in the beginning and 394.5 MB in the end (delta: 75.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 09:35:26,072 INFO L168 Benchmark]: CACSL2BoogieTranslator took 329.91 ms. Allocated memory is still 413.1 MB. Free memory was 376.1 MB in the beginning and 377.5 MB in the end (delta: -1.4 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.0 GB. [2021-03-11 09:35:26,072 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.50 ms. Allocated memory is still 413.1 MB. Free memory was 377.5 MB in the beginning and 375.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 09:35:26,072 INFO L168 Benchmark]: Boogie Preprocessor took 28.12 ms. Allocated memory is still 413.1 MB. Free memory was 375.6 MB in the beginning and 374.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 09:35:26,074 INFO L168 Benchmark]: RCFGBuilder took 381.99 ms. Allocated memory is still 413.1 MB. Free memory was 374.5 MB in the beginning and 348.3 MB in the end (delta: 26.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2021-03-11 09:35:26,074 INFO L168 Benchmark]: TraceAbstraction took 4346.53 ms. Allocated memory was 413.1 MB in the beginning and 507.5 MB in the end (delta: 94.4 MB). Free memory was 348.3 MB in the beginning and 445.6 MB in the end (delta: -97.3 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 09:35:26,078 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 413.1 MB. Free memory was 394.5 MB in the beginning and 394.5 MB in the end (delta: 75.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 329.91 ms. Allocated memory is still 413.1 MB. Free memory was 376.1 MB in the beginning and 377.5 MB in the end (delta: -1.4 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 43.50 ms. Allocated memory is still 413.1 MB. Free memory was 377.5 MB in the beginning and 375.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 28.12 ms. Allocated memory is still 413.1 MB. Free memory was 375.6 MB in the beginning and 374.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 381.99 ms. Allocated memory is still 413.1 MB. Free memory was 374.5 MB in the beginning and 348.3 MB in the end (delta: 26.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 4346.53 ms. Allocated memory was 413.1 MB in the beginning and 507.5 MB in the end (delta: 94.4 MB). Free memory was 348.3 MB in the beginning and 445.6 MB in the end (delta: -97.3 MB). There was no memory consumed. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3549.2ms, 87 PlacesBefore, 35 PlacesAfterwards, 83 TransitionsBefore, 30 TransitionsAfterwards, 680 CoEnabledTransitionPairs, 6 FixpointIterations, 38 TrivialSequentialCompositions, 14 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 0 ConcurrentYvCompositions, 1 ChoiceCompositions, 57 TotalNumberOfCompositions, 3301 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2058, positive: 1884, positive conditional: 0, positive unconditional: 1884, negative: 174, negative conditional: 0, negative unconditional: 174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 519, positive: 481, positive conditional: 0, positive unconditional: 481, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 519, positive: 468, positive conditional: 0, positive unconditional: 468, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 51, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 159, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 122, negative conditional: 0, negative unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2058, positive: 1403, positive conditional: 0, positive unconditional: 1403, negative: 136, negative conditional: 0, negative unconditional: 136, unknown: 519, unknown conditional: 0, unknown unconditional: 519] , Statistics on independence cache: Total cache size (in pairs): 179, Positive cache size: 157, Positive conditional cache size: 0, Positive unconditional cache size: 157, Negative cache size: 22, Negative conditional cache size: 0, Negative unconditional cache size: 22 - PositiveResult [Line: 727]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 81 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4253.2ms, OverallIterations: 4, TraceHistogramMax: 1, EmptinessCheckTime: 8.8ms, AutomataDifference: 182.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 3595.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 137 SDtfs, 80 SDslu, 251 SDs, 0 SdLazy, 60 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 50.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 90.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=198occurred in iteration=0, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 24.9ms AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 13.1ms SsaConstructionTime, 108.6ms SatisfiabilityAnalysisTime, 225.0ms InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 544 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...