/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/goblint-regression/28-race_reach_22-deref_read_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-770125f [2021-05-22 00:36:35,947 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-22 00:36:35,950 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-22 00:36:35,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-05-22 00:36:36,055 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 [2021-05-22 00:36:36,090 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-22 00:36:36,090 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-22 00:36:36,091 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-05-22 00:36:36,091 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-05-22 00:36:36,093 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-22 00:36:36,093 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-22 00:36:36,093 INFO L138 SettingsManager]: * Use SBE=true [2021-05-22 00:36:36,094 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-22 00:36:36,094 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-22 00:36:36,094 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-22 00:36:36,095 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-22 00:36:36,095 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-22 00:36:36,095 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-22 00:36:36,095 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-22 00:36:36,095 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-22 00:36:36,095 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-22 00:36:36,095 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-22 00:36:36,095 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-22 00:36:36,096 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-22 00:36:36,096 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-22 00:36:36,096 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-22 00:36:36,096 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-22 00:36:36,096 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-22 00:36:36,096 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-22 00:36:36,096 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-22 00:36:36,096 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-22 00:36:36,097 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-22 00:36:36,097 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-22 00:36:36,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-22 00:36:36,097 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-05-22 00:36:36,097 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-22 00:36:36,097 INFO L138 SettingsManager]: * Check the insufficient thread errors last=true [2021-05-22 00:36:36,097 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-22 00:36:36,403 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-22 00:36:36,418 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-22 00:36:36,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-22 00:36:36,421 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-22 00:36:36,421 INFO L275 PluginConnector]: CDTParser initialized [2021-05-22 00:36:36,422 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_22-deref_read_racefree.i [2021-05-22 00:36:36,487 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f567bba0/a7cf1a887d3040818de0167be4de19c3/FLAG78ca8b1e7 [2021-05-22 00:36:37,135 INFO L306 CDTParser]: Found 1 translation units. [2021-05-22 00:36:37,135 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_22-deref_read_racefree.i [2021-05-22 00:36:37,146 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f567bba0/a7cf1a887d3040818de0167be4de19c3/FLAG78ca8b1e7 [2021-05-22 00:36:37,230 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f567bba0/a7cf1a887d3040818de0167be4de19c3 [2021-05-22 00:36:37,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-22 00:36:37,233 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-05-22 00:36:37,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-22 00:36:37,244 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-22 00:36:37,259 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-22 00:36:37,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.05 12:36:37" (1/1) ... [2021-05-22 00:36:37,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@644ee02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 12:36:37, skipping insertion in model container [2021-05-22 00:36:37,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.05 12:36:37" (1/1) ... [2021-05-22 00:36:37,272 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-22 00:36:37,301 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-22 00:36:37,530 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_22-deref_read_racefree.i[29913,29926] [2021-05-22 00:36:37,557 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-22 00:36:37,569 INFO L203 MainTranslator]: Completed pre-run [2021-05-22 00:36:37,621 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_22-deref_read_racefree.i[29913,29926] [2021-05-22 00:36:37,638 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-22 00:36:37,688 INFO L208 MainTranslator]: Completed translation [2021-05-22 00:36:37,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 12:36:37 WrapperNode [2021-05-22 00:36:37,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-22 00:36:37,689 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-05-22 00:36:37,689 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-05-22 00:36:37,689 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-05-22 00:36:37,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 12:36:37" (1/1) ... [2021-05-22 00:36:37,706 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 12:36:37" (1/1) ... [2021-05-22 00:36:37,722 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-05-22 00:36:37,723 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-22 00:36:37,723 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-22 00:36:37,723 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-22 00:36:37,729 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 12:36:37" (1/1) ... [2021-05-22 00:36:37,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 12:36:37" (1/1) ... [2021-05-22 00:36:37,732 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 12:36:37" (1/1) ... [2021-05-22 00:36:37,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 12:36:37" (1/1) ... [2021-05-22 00:36:37,737 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 12:36:37" (1/1) ... [2021-05-22 00:36:37,741 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 12:36:37" (1/1) ... [2021-05-22 00:36:37,742 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 12:36:37" (1/1) ... [2021-05-22 00:36:37,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-22 00:36:37,745 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-22 00:36:37,745 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-22 00:36:37,745 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-22 00:36:37,746 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 12:36:37" (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 [2021-05-22 00:36:37,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-22 00:36:37,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-22 00:36:37,840 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-05-22 00:36:37,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-22 00:36:37,841 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-05-22 00:36:37,841 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-05-22 00:36:37,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-22 00:36:37,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-05-22 00:36:37,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-22 00:36:37,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-22 00:36:37,843 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-05-22 00:36:38,320 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-22 00:36:38,321 INFO L299 CfgBuilder]: Removed 15 assume(true) statements. [2021-05-22 00:36:38,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.05 12:36:38 BoogieIcfgContainer [2021-05-22 00:36:38,322 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-22 00:36:38,323 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-22 00:36:38,324 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-22 00:36:38,326 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-22 00:36:38,326 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.05 12:36:37" (1/3) ... [2021-05-22 00:36:38,327 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d5e37c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.05 12:36:38, skipping insertion in model container [2021-05-22 00:36:38,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.05 12:36:37" (2/3) ... [2021-05-22 00:36:38,327 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d5e37c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.05 12:36:38, skipping insertion in model container [2021-05-22 00:36:38,327 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.05 12:36:38" (3/3) ... [2021-05-22 00:36:38,328 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_22-deref_read_racefree.i [2021-05-22 00:36:38,333 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-05-22 00:36:38,333 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-05-22 00:36:38,334 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-05-22 00:36:38,334 INFO L478 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-05-22 00:36:38,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,356 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,356 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,356 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,356 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,362 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,362 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,362 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,362 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,362 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,362 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,363 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,363 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,363 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,363 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,363 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,363 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,365 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,365 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,366 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,366 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,366 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,366 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,366 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,366 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,366 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,367 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,367 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:38,370 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-05-22 00:36:38,389 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-22 00:36:38,405 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-22 00:36:38,406 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-22 00:36:38,406 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-22 00:36:38,406 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-22 00:36:38,406 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-22 00:36:38,406 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-22 00:36:38,406 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-22 00:36:38,406 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-22 00:36:38,415 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 90 places, 97 transitions, 199 flow [2021-05-22 00:36:38,461 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 973 states, 968 states have (on average 2.2169421487603307) internal successors, (2146), 972 states have internal predecessors, (2146), 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) [2021-05-22 00:36:38,468 INFO L276 IsEmpty]: Start isEmpty. Operand has 973 states, 968 states have (on average 2.2169421487603307) internal successors, (2146), 972 states have internal predecessors, (2146), 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) [2021-05-22 00:36:38,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-05-22 00:36:38,486 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:36:38,487 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] [2021-05-22 00:36:38,487 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:36:38,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:36:38,492 INFO L82 PathProgramCache]: Analyzing trace with hash 163009931, now seen corresponding path program 1 times [2021-05-22 00:36:38,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:36:38,505 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [399371634] [2021-05-22 00:36:38,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:36:38,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:36:38,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:36:38,682 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:36:38,683 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [399371634] [2021-05-22 00:36:38,683 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [399371634] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:36:38,683 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:36:38,683 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-05-22 00:36:38,684 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555382611] [2021-05-22 00:36:38,687 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-05-22 00:36:38,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:36:38,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-05-22 00:36:38,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-05-22 00:36:38,702 INFO L87 Difference]: Start difference. First operand has 973 states, 968 states have (on average 2.2169421487603307) internal successors, (2146), 972 states have internal predecessors, (2146), 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 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 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) [2021-05-22 00:36:38,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:36:38,731 INFO L93 Difference]: Finished difference Result 945 states and 1776 transitions. [2021-05-22 00:36:38,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-22 00:36:38,733 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 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 39 [2021-05-22 00:36:38,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:36:38,744 INFO L225 Difference]: With dead ends: 945 [2021-05-22 00:36:38,745 INFO L226 Difference]: Without dead ends: 530 [2021-05-22 00:36:38,746 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-05-22 00:36:38,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2021-05-22 00:36:38,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 530. [2021-05-22 00:36:38,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530 states, 528 states have (on average 1.8390151515151516) internal successors, (971), 529 states have internal predecessors, (971), 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) [2021-05-22 00:36:38,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 971 transitions. [2021-05-22 00:36:38,804 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 971 transitions. Word has length 39 [2021-05-22 00:36:38,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:36:38,805 INFO L482 AbstractCegarLoop]: Abstraction has 530 states and 971 transitions. [2021-05-22 00:36:38,805 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 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) [2021-05-22 00:36:38,805 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 971 transitions. [2021-05-22 00:36:38,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-05-22 00:36:38,806 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:36:38,806 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] [2021-05-22 00:36:38,806 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-22 00:36:38,806 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:36:38,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:36:38,807 INFO L82 PathProgramCache]: Analyzing trace with hash 292092650, now seen corresponding path program 1 times [2021-05-22 00:36:38,807 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:36:38,808 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447600339] [2021-05-22 00:36:38,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:36:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:36:38,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:36:38,901 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:36:38,901 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447600339] [2021-05-22 00:36:38,902 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447600339] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:36:38,902 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:36:38,903 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-05-22 00:36:38,903 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792464056] [2021-05-22 00:36:38,904 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-22 00:36:38,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:36:38,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-22 00:36:38,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-22 00:36:38,906 INFO L87 Difference]: Start difference. First operand 530 states and 971 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2021-05-22 00:36:38,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:36:38,941 INFO L93 Difference]: Finished difference Result 518 states and 959 transitions. [2021-05-22 00:36:38,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-22 00:36:38,947 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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 39 [2021-05-22 00:36:38,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:36:38,950 INFO L225 Difference]: With dead ends: 518 [2021-05-22 00:36:38,950 INFO L226 Difference]: Without dead ends: 518 [2021-05-22 00:36:38,951 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.5ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-22 00:36:38,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2021-05-22 00:36:38,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 518. [2021-05-22 00:36:38,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 518 states, 517 states have (on average 1.8549323017408124) internal successors, (959), 517 states have internal predecessors, (959), 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) [2021-05-22 00:36:38,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 959 transitions. [2021-05-22 00:36:38,979 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 959 transitions. Word has length 39 [2021-05-22 00:36:38,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:36:38,979 INFO L482 AbstractCegarLoop]: Abstraction has 518 states and 959 transitions. [2021-05-22 00:36:38,979 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2021-05-22 00:36:38,979 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 959 transitions. [2021-05-22 00:36:38,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-05-22 00:36:38,987 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:36:38,988 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, 1] [2021-05-22 00:36:38,988 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-05-22 00:36:38,988 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:36:38,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:36:38,990 INFO L82 PathProgramCache]: Analyzing trace with hash 618255941, now seen corresponding path program 1 times [2021-05-22 00:36:38,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:36:38,991 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924509528] [2021-05-22 00:36:38,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:36:39,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:36:39,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:36:39,063 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:36:39,063 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924509528] [2021-05-22 00:36:39,064 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [924509528] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-22 00:36:39,064 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [593424630] [2021-05-22 00:36:39,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-22 00:36:39,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:36:39,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 4 conjunts are in the unsatisfiable core [2021-05-22 00:36:39,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-22 00:36:39,317 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:36:39,318 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [593424630] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-22 00:36:39,318 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-22 00:36:39,318 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-05-22 00:36:39,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624920977] [2021-05-22 00:36:39,319 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-05-22 00:36:39,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:36:39,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-05-22 00:36:39,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-05-22 00:36:39,320 INFO L87 Difference]: Start difference. First operand 518 states and 959 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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) [2021-05-22 00:36:39,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:36:39,355 INFO L93 Difference]: Finished difference Result 194 states and 323 transitions. [2021-05-22 00:36:39,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-22 00:36:39,355 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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 49 [2021-05-22 00:36:39,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:36:39,356 INFO L225 Difference]: With dead ends: 194 [2021-05-22 00:36:39,356 INFO L226 Difference]: Without dead ends: 0 [2021-05-22 00:36:39,356 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 34.2ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-05-22 00:36:39,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-05-22 00:36:39,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-05-22 00:36:39,357 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) [2021-05-22 00:36:39,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-05-22 00:36:39,357 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2021-05-22 00:36:39,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:36:39,357 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-05-22 00:36:39,357 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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) [2021-05-22 00:36:39,357 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-05-22 00:36:39,357 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-05-22 00:36:39,565 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2021-05-22 00:36:39,566 INFO L315 ceAbstractionStarter]: Result for error location AllErrorsAtOnce was SAFE (1/2) [2021-05-22 00:36:39,568 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-22 00:36:39,570 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-22 00:36:39,570 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-22 00:36:39,571 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-22 00:36:39,571 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-22 00:36:39,571 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-22 00:36:39,571 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-22 00:36:39,571 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-22 00:36:39,571 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == InUseError======== [2021-05-22 00:36:39,576 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 90 places, 97 transitions, 199 flow [2021-05-22 00:36:39,594 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 973 states, 968 states have (on average 2.2169421487603307) internal successors, (2146), 972 states have internal predecessors, (2146), 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) [2021-05-22 00:36:39,597 INFO L276 IsEmpty]: Start isEmpty. Operand has 973 states, 968 states have (on average 2.2169421487603307) internal successors, (2146), 972 states have internal predecessors, (2146), 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) [2021-05-22 00:36:39,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-05-22 00:36:39,598 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:36:39,599 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 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] [2021-05-22 00:36:39,599 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-05-22 00:36:39,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:36:39,599 INFO L82 PathProgramCache]: Analyzing trace with hash -1442763975, now seen corresponding path program 1 times [2021-05-22 00:36:39,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:36:39,600 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546504630] [2021-05-22 00:36:39,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:36:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-22 00:36:39,646 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-22 00:36:39,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-22 00:36:39,678 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-22 00:36:39,714 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-05-22 00:36:39,715 INFO L622 BasicCegarLoop]: Counterexample might be feasible [2021-05-22 00:36:39,715 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-05-22 00:36:39,716 INFO L315 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (2/2) [2021-05-22 00:36:39,716 WARN L242 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2021-05-22 00:36:39,716 INFO L478 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2021-05-22 00:36:39,740 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,741 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,741 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,741 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,741 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,741 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,741 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,741 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,742 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,742 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,742 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,742 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,742 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,743 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,743 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,743 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,743 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,743 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,743 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,743 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,743 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,744 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,744 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,744 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,744 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,744 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,745 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,745 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,745 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,745 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,745 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,745 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,746 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,746 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,746 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,746 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,746 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,746 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,746 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,746 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,746 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,747 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,747 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,747 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,747 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,747 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,747 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,747 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,749 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,749 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,749 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,749 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,749 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,749 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,750 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,750 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,750 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,750 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,750 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,750 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,750 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,751 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,751 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,751 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,751 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,751 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,751 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,751 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,751 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,752 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,752 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,752 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,752 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,752 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,752 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,752 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,752 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,753 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,754 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,754 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,754 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,754 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,754 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,755 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,755 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,755 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,755 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,755 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,755 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,755 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,755 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,755 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,755 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,756 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,756 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,756 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,757 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,759 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,760 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,760 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,760 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,760 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,760 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,760 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,760 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,760 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,761 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,763 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,763 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,763 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,763 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,763 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,769 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,769 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,769 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,769 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,769 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,769 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:39,771 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-05-22 00:36:39,772 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-22 00:36:39,780 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-22 00:36:39,780 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-22 00:36:39,780 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-22 00:36:39,780 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-22 00:36:39,780 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-22 00:36:39,781 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-22 00:36:39,781 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-22 00:36:39,781 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-22 00:36:39,782 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 119 places, 130 transitions, 272 flow [2021-05-22 00:36:41,652 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 25732 states, 25725 states have (on average 3.414538386783285) internal successors, (87839), 25731 states have internal predecessors, (87839), 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) [2021-05-22 00:36:41,752 INFO L276 IsEmpty]: Start isEmpty. Operand has 25732 states, 25725 states have (on average 3.414538386783285) internal successors, (87839), 25731 states have internal predecessors, (87839), 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) [2021-05-22 00:36:41,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-05-22 00:36:41,753 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:36:41,753 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] [2021-05-22 00:36:41,754 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:36:41,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:36:41,754 INFO L82 PathProgramCache]: Analyzing trace with hash -661755571, now seen corresponding path program 1 times [2021-05-22 00:36:41,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:36:41,755 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1893206138] [2021-05-22 00:36:41,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:36:41,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:36:41,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:36:41,787 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:36:41,787 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1893206138] [2021-05-22 00:36:41,787 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1893206138] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:36:41,787 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:36:41,787 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-05-22 00:36:41,787 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123503562] [2021-05-22 00:36:41,787 INFO L462 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-05-22 00:36:41,788 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:36:41,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-05-22 00:36:41,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-05-22 00:36:41,827 INFO L87 Difference]: Start difference. First operand has 25732 states, 25725 states have (on average 3.414538386783285) internal successors, (87839), 25731 states have internal predecessors, (87839), 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 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 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) [2021-05-22 00:36:42,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:36:42,141 INFO L93 Difference]: Finished difference Result 24975 states and 71410 transitions. [2021-05-22 00:36:42,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-05-22 00:36:42,141 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 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 39 [2021-05-22 00:36:42,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:36:42,205 INFO L225 Difference]: With dead ends: 24975 [2021-05-22 00:36:42,205 INFO L226 Difference]: Without dead ends: 13760 [2021-05-22 00:36:42,205 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-05-22 00:36:42,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13760 states. [2021-05-22 00:36:42,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13760 to 13760. [2021-05-22 00:36:42,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13760 states, 13757 states have (on average 2.825834120811223) internal successors, (38875), 13759 states have internal predecessors, (38875), 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) [2021-05-22 00:36:42,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13760 states to 13760 states and 38875 transitions. [2021-05-22 00:36:42,797 INFO L78 Accepts]: Start accepts. Automaton has 13760 states and 38875 transitions. Word has length 39 [2021-05-22 00:36:42,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:36:42,799 INFO L482 AbstractCegarLoop]: Abstraction has 13760 states and 38875 transitions. [2021-05-22 00:36:42,799 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 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) [2021-05-22 00:36:42,799 INFO L276 IsEmpty]: Start isEmpty. Operand 13760 states and 38875 transitions. [2021-05-22 00:36:42,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-05-22 00:36:42,800 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:36:42,800 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] [2021-05-22 00:36:42,800 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-05-22 00:36:42,800 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:36:42,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:36:42,801 INFO L82 PathProgramCache]: Analyzing trace with hash -532672852, now seen corresponding path program 1 times [2021-05-22 00:36:42,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:36:42,801 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976398608] [2021-05-22 00:36:42,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:36:42,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:36:42,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:36:42,836 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:36:42,836 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976398608] [2021-05-22 00:36:42,836 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976398608] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-22 00:36:42,836 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-22 00:36:42,836 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-05-22 00:36:42,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474515135] [2021-05-22 00:36:42,837 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-22 00:36:42,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:36:42,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-22 00:36:42,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-22 00:36:42,838 INFO L87 Difference]: Start difference. First operand 13760 states and 38875 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2021-05-22 00:36:42,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:36:42,979 INFO L93 Difference]: Finished difference Result 13748 states and 38863 transitions. [2021-05-22 00:36:42,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-22 00:36:42,979 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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 39 [2021-05-22 00:36:42,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:36:43,034 INFO L225 Difference]: With dead ends: 13748 [2021-05-22 00:36:43,034 INFO L226 Difference]: Without dead ends: 13748 [2021-05-22 00:36:43,035 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-22 00:36:43,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13748 states. [2021-05-22 00:36:43,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13748 to 13748. [2021-05-22 00:36:43,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13748 states, 13746 states have (on average 2.8272224647170088) internal successors, (38863), 13747 states have internal predecessors, (38863), 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) [2021-05-22 00:36:43,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13748 states to 13748 states and 38863 transitions. [2021-05-22 00:36:43,612 INFO L78 Accepts]: Start accepts. Automaton has 13748 states and 38863 transitions. Word has length 39 [2021-05-22 00:36:43,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:36:43,612 INFO L482 AbstractCegarLoop]: Abstraction has 13748 states and 38863 transitions. [2021-05-22 00:36:43,612 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2021-05-22 00:36:43,613 INFO L276 IsEmpty]: Start isEmpty. Operand 13748 states and 38863 transitions. [2021-05-22 00:36:43,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2021-05-22 00:36:43,614 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:36:43,614 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, 1] [2021-05-22 00:36:43,614 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-05-22 00:36:43,614 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:36:43,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:36:43,615 INFO L82 PathProgramCache]: Analyzing trace with hash -833973081, now seen corresponding path program 1 times [2021-05-22 00:36:43,615 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:36:43,615 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677675481] [2021-05-22 00:36:43,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:36:43,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:36:43,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:36:43,685 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:36:43,685 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677675481] [2021-05-22 00:36:43,685 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677675481] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-22 00:36:43,686 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1836973397] [2021-05-22 00:36:43,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-22 00:36:43,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:36:43,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 4 conjunts are in the unsatisfiable core [2021-05-22 00:36:43,786 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-22 00:36:44,036 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:36:44,036 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1836973397] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-22 00:36:44,036 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-22 00:36:44,036 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-05-22 00:36:44,037 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795259829] [2021-05-22 00:36:44,037 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-05-22 00:36:44,037 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:36:44,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-05-22 00:36:44,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-05-22 00:36:44,038 INFO L87 Difference]: Start difference. First operand 13748 states and 38863 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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) [2021-05-22 00:36:44,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:36:44,158 INFO L93 Difference]: Finished difference Result 13424 states and 38227 transitions. [2021-05-22 00:36:44,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-05-22 00:36:44,158 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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 49 [2021-05-22 00:36:44,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:36:44,185 INFO L225 Difference]: With dead ends: 13424 [2021-05-22 00:36:44,185 INFO L226 Difference]: Without dead ends: 13424 [2021-05-22 00:36:44,185 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 38.8ms TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-05-22 00:36:44,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13424 states. [2021-05-22 00:36:44,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13424 to 13424. [2021-05-22 00:36:44,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13424 states, 13423 states have (on average 2.847873053713775) internal successors, (38227), 13423 states have internal predecessors, (38227), 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) [2021-05-22 00:36:44,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13424 states to 13424 states and 38227 transitions. [2021-05-22 00:36:44,656 INFO L78 Accepts]: Start accepts. Automaton has 13424 states and 38227 transitions. Word has length 49 [2021-05-22 00:36:44,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:36:44,656 INFO L482 AbstractCegarLoop]: Abstraction has 13424 states and 38227 transitions. [2021-05-22 00:36:44,656 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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) [2021-05-22 00:36:44,657 INFO L276 IsEmpty]: Start isEmpty. Operand 13424 states and 38227 transitions. [2021-05-22 00:36:44,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-05-22 00:36:44,660 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:36:44,660 INFO L521 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-05-22 00:36:44,883 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-22 00:36:44,884 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-05-22 00:36:44,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:36:44,885 INFO L82 PathProgramCache]: Analyzing trace with hash -914358527, now seen corresponding path program 1 times [2021-05-22 00:36:44,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:36:44,885 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311658677] [2021-05-22 00:36:44,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:36:44,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:36:44,956 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:36:44,956 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-22 00:36:44,956 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1311658677] [2021-05-22 00:36:44,956 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1311658677] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-22 00:36:44,957 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [440568370] [2021-05-22 00:36:44,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-22 00:36:45,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-22 00:36:45,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 6 conjunts are in the unsatisfiable core [2021-05-22 00:36:45,070 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-05-22 00:36:45,210 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-22 00:36:45,210 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [440568370] provided 0 perfect and 1 imperfect interpolant sequences [2021-05-22 00:36:45,210 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-05-22 00:36:45,210 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2021-05-22 00:36:45,211 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277614249] [2021-05-22 00:36:45,211 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-05-22 00:36:45,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-22 00:36:45,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-05-22 00:36:45,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-05-22 00:36:45,212 INFO L87 Difference]: Start difference. First operand 13424 states and 38227 transitions. Second operand has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 9 states have internal predecessors, (69), 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) [2021-05-22 00:36:45,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-22 00:36:45,350 INFO L93 Difference]: Finished difference Result 4676 states and 12631 transitions. [2021-05-22 00:36:45,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-05-22 00:36:45,350 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 9 states have internal predecessors, (69), 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 59 [2021-05-22 00:36:45,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-22 00:36:45,351 INFO L225 Difference]: With dead ends: 4676 [2021-05-22 00:36:45,351 INFO L226 Difference]: Without dead ends: 0 [2021-05-22 00:36:45,351 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 91.6ms TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2021-05-22 00:36:45,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-05-22 00:36:45,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-05-22 00:36:45,352 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) [2021-05-22 00:36:45,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-05-22 00:36:45,352 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2021-05-22 00:36:45,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-22 00:36:45,352 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-05-22 00:36:45,352 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 7.666666666666667) internal successors, (69), 9 states have internal predecessors, (69), 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) [2021-05-22 00:36:45,352 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-05-22 00:36:45,352 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-05-22 00:36:45,576 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-05-22 00:36:45,576 INFO L315 ceAbstractionStarter]: Result for error location AllErrorsAtOnce was SAFE (1/2) [2021-05-22 00:36:45,576 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-22 00:36:45,577 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-22 00:36:45,577 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-22 00:36:45,577 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-22 00:36:45,577 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-22 00:36:45,577 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-22 00:36:45,578 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-22 00:36:45,578 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-22 00:36:45,578 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == InUseError======== [2021-05-22 00:36:45,579 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 119 places, 130 transitions, 272 flow [2021-05-22 00:36:47,255 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 25732 states, 25725 states have (on average 3.414538386783285) internal successors, (87839), 25731 states have internal predecessors, (87839), 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) [2021-05-22 00:36:47,287 INFO L276 IsEmpty]: Start isEmpty. Operand has 25732 states, 25725 states have (on average 3.414538386783285) internal successors, (87839), 25731 states have internal predecessors, (87839), 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) [2021-05-22 00:36:47,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-05-22 00:36:47,291 INFO L513 BasicCegarLoop]: Found error trace [2021-05-22 00:36:47,291 INFO L521 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 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] [2021-05-22 00:36:47,291 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION]=== [2021-05-22 00:36:47,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-22 00:36:47,292 INFO L82 PathProgramCache]: Analyzing trace with hash 752869279, now seen corresponding path program 1 times [2021-05-22 00:36:47,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-22 00:36:47,292 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28256331] [2021-05-22 00:36:47,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-22 00:36:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-22 00:36:47,307 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-22 00:36:47,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-22 00:36:47,327 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-22 00:36:47,333 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-05-22 00:36:47,334 INFO L622 BasicCegarLoop]: Counterexample might be feasible [2021-05-22 00:36:47,334 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-05-22 00:36:47,334 INFO L315 ceAbstractionStarter]: Result for error location InUseError was UNSAFE (2/2) [2021-05-22 00:36:47,334 WARN L242 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2021-05-22 00:36:47,334 INFO L478 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2021-05-22 00:36:47,345 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,345 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,345 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,345 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,345 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,345 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,345 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,346 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,346 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,346 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,346 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,346 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,346 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,346 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,346 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,347 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,347 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,347 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,347 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,347 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,347 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,347 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,347 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,347 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,348 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,348 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,348 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,348 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,348 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,348 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,348 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,348 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,348 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,349 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,349 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,349 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,349 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,349 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,349 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,349 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,349 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,349 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,349 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,350 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,350 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,350 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,350 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,350 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,350 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,350 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,350 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,350 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,351 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,351 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,351 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,351 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,351 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,351 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,351 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,351 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,352 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,352 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,352 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,352 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,352 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,352 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,352 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,352 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,352 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,353 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,354 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,355 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,356 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,356 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,356 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,356 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,356 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,357 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,358 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,359 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,360 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,360 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,361 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,362 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,362 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,362 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,362 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,362 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,364 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,364 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,364 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,364 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,364 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,364 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,364 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,364 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,364 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,365 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,365 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,366 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,366 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,366 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,366 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,367 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,367 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,367 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,367 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,367 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,367 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,367 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-22 00:36:47,368 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-05-22 00:36:47,369 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-22 00:36:47,369 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-22 00:36:47,369 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-22 00:36:47,370 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-22 00:36:47,370 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-22 00:36:47,370 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-22 00:36:47,370 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-22 00:36:47,370 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-22 00:36:47,370 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-22 00:36:47,372 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 148 places, 163 transitions, 347 flow Received shutdown request... [2021-05-22 00:50:59,754 WARN L547 AbstractCegarLoop]: Verification canceled [2021-05-22 00:50:59,754 INFO L315 ceAbstractionStarter]: Result for error location AllErrorsAtOnce was TIMEOUT (1/2) [2021-05-22 00:50:59,755 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-05-22 00:50:59,755 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-22 00:50:59,756 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-22 00:50:59,756 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-22 00:50:59,756 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-22 00:50:59,756 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-22 00:50:59,756 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-22 00:50:59,756 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-22 00:50:59,756 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == InUseError======== [2021-05-22 00:50:59,757 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 148 places, 163 transitions, 347 flow [2021-05-22 00:50:59,757 WARN L547 AbstractCegarLoop]: Verification canceled [2021-05-22 00:50:59,758 INFO L315 ceAbstractionStarter]: Result for error location InUseError was TIMEOUT (2/2) [2021-05-22 00:50:59,758 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 3 thread instances [2021-05-22 00:50:59,760 WARN L196 ceAbstractionStarter]: Timeout [2021-05-22 00:50:59,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.05 12:50:59 BasicIcfg [2021-05-22 00:50:59,760 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-22 00:50:59,761 INFO L168 Benchmark]: Toolchain (without parser) took 862527.84 ms. Allocated memory was 362.8 MB in the beginning and 5.4 GB in the end (delta: 5.1 GB). Free memory was 325.6 MB in the beginning and 2.3 GB in the end (delta: -2.0 GB). Peak memory consumption was 3.1 GB. Max. memory is 16.0 GB. [2021-05-22 00:50:59,761 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 362.8 MB. Free memory is still 343.5 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-05-22 00:50:59,761 INFO L168 Benchmark]: CACSL2BoogieTranslator took 445.36 ms. Allocated memory is still 362.8 MB. Free memory was 325.4 MB in the beginning and 326.3 MB in the end (delta: -903.7 kB). Peak memory consumption was 7.4 MB. Max. memory is 16.0 GB. [2021-05-22 00:50:59,761 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.88 ms. Allocated memory is still 362.8 MB. Free memory was 326.3 MB in the beginning and 325.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-05-22 00:50:59,761 INFO L168 Benchmark]: Boogie Preprocessor took 21.82 ms. Allocated memory is still 362.8 MB. Free memory was 325.0 MB in the beginning and 322.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-05-22 00:50:59,761 INFO L168 Benchmark]: RCFGBuilder took 577.05 ms. Allocated memory is still 362.8 MB. Free memory was 322.9 MB in the beginning and 297.0 MB in the end (delta: 25.9 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-05-22 00:50:59,761 INFO L168 Benchmark]: TraceAbstraction took 861436.87 ms. Allocated memory was 362.8 MB in the beginning and 5.4 GB in the end (delta: 5.1 GB). Free memory was 296.4 MB in the beginning and 2.3 GB in the end (delta: -2.0 GB). Peak memory consumption was 3.1 GB. Max. memory is 16.0 GB. [2021-05-22 00:50:59,762 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 362.8 MB. Free memory is still 343.5 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 445.36 ms. Allocated memory is still 362.8 MB. Free memory was 325.4 MB in the beginning and 326.3 MB in the end (delta: -903.7 kB). Peak memory consumption was 7.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 32.88 ms. Allocated memory is still 362.8 MB. Free memory was 326.3 MB in the beginning and 325.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 21.82 ms. Allocated memory is still 362.8 MB. Free memory was 325.0 MB in the beginning and 322.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 577.05 ms. Allocated memory is still 362.8 MB. Free memory was 322.9 MB in the beginning and 297.0 MB in the end (delta: 25.9 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 861436.87 ms. Allocated memory was 362.8 MB in the beginning and 5.4 GB in the end (delta: 5.1 GB). Free memory was 296.4 MB in the beginning and 2.3 GB in the end (delta: -2.0 GB). Peak memory consumption was 3.1 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 684]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 148 places, 163 transitions, 347 flow. Already constructed 640128 states. Currently 16151 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 115 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1162.8ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 33.2ms, AutomataDifference: 140.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 54.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 243 SDtfs, 224 SDslu, 224 SDs, 0 SdLazy, 18 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 30.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 42.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=973occurred in iteration=0, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 75.3ms AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 29.8ms SsaConstructionTime, 110.8ms SatisfiabilityAnalysisTime, 304.1ms InterpolantComputationTime, 176 NumberOfCodeBlocks, 176 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 172 ConstructedInterpolants, 0 QuantifiedInterpolants, 218 SizeOfPredicates, 2 NumberOfNonLiveVariables, 140 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 0/2 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 with 2 thread instances CFG has 4 procedures, 142 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5796.0ms, OverallIterations: 4, TraceHistogramMax: 2, EmptinessCheckTime: 106.8ms, AutomataDifference: 903.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1871.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 474 SDtfs, 744 SDslu, 854 SDs, 0 SdLazy, 53 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 51.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 129 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 133.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=25732occurred in iteration=0, InterpolantAutomatonStates: 20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 1638.3ms AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 36.9ms SsaConstructionTime, 88.9ms SatisfiabilityAnalysisTime, 543.1ms InterpolantComputationTime, 294 NumberOfCodeBlocks, 294 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 288 ConstructedInterpolants, 0 QuantifiedInterpolants, 418 SizeOfPredicates, 6 NumberOfNonLiveVariables, 299 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 0/26 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 with 3 thread instances CFG has 5 procedures, 169 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 852384.9ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 852383.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, 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 - StatisticsResult: Ultimate Automizer benchmark data for thread instance sufficiency with 1 thread instances CFG has 3 procedures, 115 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 145.3ms, OverallIterations: 1, TraceHistogramMax: 2, EmptinessCheckTime: 3.7ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 23.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=973occurred 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: TRACE_CHECK: 2.3ms SsaConstructionTime, 32.4ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 2 thread instances CFG has 4 procedures, 142 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1756.9ms, OverallIterations: 1, TraceHistogramMax: 3, EmptinessCheckTime: 35.1ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1677.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=25732occurred 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: TRACE_CHECK: 1.5ms SsaConstructionTime, 10.6ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 3 thread instances CFG has 5 procedures, 169 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 2.1ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown