/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_23-sound_unlock_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7a177ad [2020-11-09 13:10:02,531 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-09 13:10:02,537 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-09 13:10:02,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-09 13:10:02,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-09 13:10:02,600 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-09 13:10:02,604 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-09 13:10:02,613 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-09 13:10:02,617 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-09 13:10:02,624 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-09 13:10:02,625 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-09 13:10:02,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-09 13:10:02,628 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-09 13:10:02,631 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-09 13:10:02,634 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-09 13:10:02,636 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-09 13:10:02,637 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-09 13:10:02,640 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-09 13:10:02,656 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-09 13:10:02,666 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-09 13:10:02,668 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-09 13:10:02,670 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-09 13:10:02,672 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-09 13:10:02,673 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-09 13:10:02,676 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-09 13:10:02,680 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-09 13:10:02,681 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-09 13:10:02,682 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-09 13:10:02,683 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-09 13:10:02,684 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-09 13:10:02,685 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-09 13:10:02,685 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-09 13:10:02,686 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-09 13:10:02,686 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-09 13:10:02,687 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-09 13:10:02,688 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-09 13:10:02,689 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-09 13:10:02,714 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-09 13:10:02,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-09 13:10:02,716 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-09 13:10:02,717 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-09 13:10:02,717 INFO L138 SettingsManager]: * Use SBE=true [2020-11-09 13:10:02,717 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-09 13:10:02,717 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-09 13:10:02,718 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-09 13:10:02,718 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-09 13:10:02,718 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-09 13:10:02,718 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-09 13:10:02,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-09 13:10:02,719 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-09 13:10:02,719 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-09 13:10:02,720 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-09 13:10:02,720 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-09 13:10:02,720 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-09 13:10:02,720 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-09 13:10:02,721 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-09 13:10:02,721 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-09 13:10:02,721 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-09 13:10:02,721 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-09 13:10:02,722 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-09 13:10:02,722 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-09 13:10:02,722 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-09 13:10:02,723 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-09 13:10:02,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-09 13:10:02,723 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-09 13:10:02,723 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-09 13:10:02,724 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-09 13:10:03,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-09 13:10:03,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-09 13:10:03,123 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-09 13:10:03,124 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-09 13:10:03,125 INFO L275 PluginConnector]: CDTParser initialized [2020-11-09 13:10:03,126 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_23-sound_unlock_racing.i [2020-11-09 13:10:03,218 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee12b887f/d7fe088b23ae43c597e32ad50c0c67f8/FLAG074082489 [2020-11-09 13:10:03,936 INFO L306 CDTParser]: Found 1 translation units. [2020-11-09 13:10:03,937 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_23-sound_unlock_racing.i [2020-11-09 13:10:03,961 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee12b887f/d7fe088b23ae43c597e32ad50c0c67f8/FLAG074082489 [2020-11-09 13:10:04,193 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee12b887f/d7fe088b23ae43c597e32ad50c0c67f8 [2020-11-09 13:10:04,197 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-09 13:10:04,204 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-09 13:10:04,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-09 13:10:04,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-09 13:10:04,210 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-09 13:10:04,211 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:10:04" (1/1) ... [2020-11-09 13:10:04,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@da764ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:10:04, skipping insertion in model container [2020-11-09 13:10:04,215 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 01:10:04" (1/1) ... [2020-11-09 13:10:04,224 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-09 13:10:04,262 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-09 13:10:04,713 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 13:10:04,732 INFO L203 MainTranslator]: Completed pre-run [2020-11-09 13:10:04,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-09 13:10:04,934 INFO L208 MainTranslator]: Completed translation [2020-11-09 13:10:04,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:10:04 WrapperNode [2020-11-09 13:10:04,935 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-09 13:10:04,936 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-09 13:10:04,936 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-09 13:10:04,936 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-09 13:10:04,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:10:04" (1/1) ... [2020-11-09 13:10:04,962 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:10:04" (1/1) ... [2020-11-09 13:10:04,992 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-09 13:10:04,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-09 13:10:04,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-09 13:10:04,994 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-09 13:10:05,007 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:10:04" (1/1) ... [2020-11-09 13:10:05,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:10:04" (1/1) ... [2020-11-09 13:10:05,011 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:10:04" (1/1) ... [2020-11-09 13:10:05,011 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:10:04" (1/1) ... [2020-11-09 13:10:05,019 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:10:04" (1/1) ... [2020-11-09 13:10:05,030 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:10:04" (1/1) ... [2020-11-09 13:10:05,033 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:10:04" (1/1) ... [2020-11-09 13:10:05,040 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-09 13:10:05,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-09 13:10:05,042 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-09 13:10:05,042 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-09 13:10:05,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:10:04" (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 [2020-11-09 13:10:05,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-09 13:10:05,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-09 13:10:05,119 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-11-09 13:10:05,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-09 13:10:05,119 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2020-11-09 13:10:05,119 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2020-11-09 13:10:05,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-09 13:10:05,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-09 13:10:05,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-09 13:10:05,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-09 13:10:05,122 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-09 13:10:05,672 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-09 13:10:05,672 INFO L298 CfgBuilder]: Removed 18 assume(true) statements. [2020-11-09 13:10:05,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:10:05 BoogieIcfgContainer [2020-11-09 13:10:05,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-09 13:10:05,676 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-09 13:10:05,677 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-09 13:10:05,681 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-09 13:10:05,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 01:10:04" (1/3) ... [2020-11-09 13:10:05,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d4056cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:10:05, skipping insertion in model container [2020-11-09 13:10:05,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 01:10:04" (2/3) ... [2020-11-09 13:10:05,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d4056cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 01:10:05, skipping insertion in model container [2020-11-09 13:10:05,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 01:10:05" (3/3) ... [2020-11-09 13:10:05,684 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_23-sound_unlock_racing.i [2020-11-09 13:10:05,701 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-09 13:10:05,702 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-09 13:10:05,706 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-09 13:10:05,707 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-09 13:10:05,742 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:05,742 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:05,743 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:05,743 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:05,743 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:05,744 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:05,744 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:05,744 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:05,744 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:05,745 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:05,745 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:05,745 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:05,745 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:05,746 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:05,746 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:05,746 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:05,746 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:05,747 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:05,747 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:05,747 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:05,747 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:05,747 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:05,748 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:05,748 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:05,748 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:05,749 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:05,749 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:05,749 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:05,749 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:05,750 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:05,750 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:05,750 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:05,750 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:05,750 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:05,751 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:05,751 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:05,753 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:05,754 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:05,754 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:05,754 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:05,755 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:05,755 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:05,755 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:05,755 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:05,756 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:05,767 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2020-11-09 13:10:05,782 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-11-09 13:10:05,808 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 13:10:05,808 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 13:10:05,808 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-09 13:10:05,808 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-09 13:10:05,809 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 13:10:05,809 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 13:10:05,809 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 13:10:05,809 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 13:10:05,824 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-09 13:10:05,826 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 112 transitions, 232 flow [2020-11-09 13:10:05,830 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 112 transitions, 232 flow [2020-11-09 13:10:05,832 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 101 places, 112 transitions, 232 flow [2020-11-09 13:10:05,901 INFO L129 PetriNetUnfolder]: 20/148 cut-off events. [2020-11-09 13:10:05,901 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-11-09 13:10:05,911 INFO L84 FinitePrefix]: Finished finitePrefix Result has 154 conditions, 148 events. 20/148 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 352 event pairs, 0 based on Foata normal form. 0/123 useless extension candidates. Maximal degree in co-relation 73. Up to 4 conditions per place. [2020-11-09 13:10:05,916 INFO L116 LiptonReduction]: Number of co-enabled transitions 2296 [2020-11-09 13:10:09,640 WARN L194 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2020-11-09 13:10:09,880 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 55 [2020-11-09 13:10:10,817 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-11-09 13:10:11,227 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-11-09 13:10:11,338 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2020-11-09 13:10:11,459 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-11-09 13:10:11,585 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-11-09 13:10:12,068 WARN L194 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-11-09 13:10:12,291 WARN L194 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-11-09 13:10:12,767 WARN L194 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2020-11-09 13:10:12,996 WARN L194 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-11-09 13:10:14,229 WARN L194 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 152 DAG size of output: 150 [2020-11-09 13:10:14,780 WARN L194 SmtUtils]: Spent 545.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-11-09 13:10:15,924 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 158 DAG size of output: 156 [2020-11-09 13:10:16,448 WARN L194 SmtUtils]: Spent 520.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-11-09 13:10:16,466 INFO L131 LiptonReduction]: Checked pairs total: 3704 [2020-11-09 13:10:16,466 INFO L133 LiptonReduction]: Total number of compositions: 103 [2020-11-09 13:10:16,473 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 34 transitions, 76 flow [2020-11-09 13:10:16,489 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 143 states. [2020-11-09 13:10:16,491 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states. [2020-11-09 13:10:16,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-09 13:10:16,497 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 13:10:16,498 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-09 13:10:16,498 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 13:10:16,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 13:10:16,505 INFO L82 PathProgramCache]: Analyzing trace with hash 424968311, now seen corresponding path program 1 times [2020-11-09 13:10:16,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 13:10:16,515 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085966696] [2020-11-09 13:10:16,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 13:10:16,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 13:10:16,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 13:10:16,833 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085966696] [2020-11-09 13:10:16,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 13:10:16,835 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-09 13:10:16,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399379087] [2020-11-09 13:10:16,839 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 13:10:16,840 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 13:10:16,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 13:10:16,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 13:10:16,858 INFO L87 Difference]: Start difference. First operand 143 states. Second operand 3 states. [2020-11-09 13:10:16,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 13:10:16,899 INFO L93 Difference]: Finished difference Result 141 states and 244 transitions. [2020-11-09 13:10:16,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 13:10:16,901 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-11-09 13:10:16,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 13:10:16,912 INFO L225 Difference]: With dead ends: 141 [2020-11-09 13:10:16,912 INFO L226 Difference]: Without dead ends: 79 [2020-11-09 13:10:16,914 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 13:10:16,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-11-09 13:10:16,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2020-11-09 13:10:16,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-11-09 13:10:16,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 137 transitions. [2020-11-09 13:10:16,961 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 137 transitions. Word has length 5 [2020-11-09 13:10:16,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 13:10:16,962 INFO L481 AbstractCegarLoop]: Abstraction has 79 states and 137 transitions. [2020-11-09 13:10:16,962 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 13:10:16,962 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 137 transitions. [2020-11-09 13:10:16,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-11-09 13:10:16,962 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 13:10:16,963 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-11-09 13:10:16,963 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-09 13:10:16,963 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 13:10:16,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 13:10:16,964 INFO L82 PathProgramCache]: Analyzing trace with hash 254520468, now seen corresponding path program 1 times [2020-11-09 13:10:16,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 13:10:16,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479334337] [2020-11-09 13:10:16,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 13:10:17,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 13:10:17,006 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 13:10:17,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 13:10:17,034 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 13:10:17,061 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-09 13:10:17,061 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-09 13:10:17,062 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-09 13:10:17,063 WARN L386 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-11-09 13:10:17,063 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-11-09 13:10:17,073 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,073 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,074 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,074 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,074 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,074 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,074 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,074 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,075 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,076 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,077 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,077 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,077 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,077 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,077 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,078 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,079 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,080 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,080 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,080 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,080 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,081 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,081 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,081 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,081 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,081 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,081 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,082 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,082 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,082 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,082 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,082 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,083 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,083 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,083 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,083 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,084 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,085 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,085 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,085 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,085 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,085 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,086 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,086 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,086 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,086 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,086 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,086 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,087 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,087 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,087 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,088 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,088 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,088 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,088 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,088 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,088 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,088 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,090 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,091 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,091 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,091 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,091 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,091 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,092 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,092 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,092 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:17,101 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2020-11-09 13:10:17,102 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-11-09 13:10:17,103 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 13:10:17,103 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 13:10:17,104 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-09 13:10:17,104 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-09 13:10:17,104 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 13:10:17,104 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 13:10:17,104 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 13:10:17,104 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 13:10:17,107 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-09 13:10:17,107 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 126 places, 142 transitions, 302 flow [2020-11-09 13:10:17,108 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 126 places, 142 transitions, 302 flow [2020-11-09 13:10:17,108 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 126 places, 142 transitions, 302 flow [2020-11-09 13:10:17,209 INFO L129 PetriNetUnfolder]: 35/237 cut-off events. [2020-11-09 13:10:17,209 INFO L130 PetriNetUnfolder]: For 6/6 co-relation queries the response was YES. [2020-11-09 13:10:17,214 INFO L84 FinitePrefix]: Finished finitePrefix Result has 251 conditions, 237 events. 35/237 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 719 event pairs, 0 based on Foata normal form. 0/195 useless extension candidates. Maximal degree in co-relation 150. Up to 8 conditions per place. [2020-11-09 13:10:17,227 INFO L116 LiptonReduction]: Number of co-enabled transitions 6776 [2020-11-09 13:10:21,829 WARN L194 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-11-09 13:10:21,965 WARN L194 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-11-09 13:10:22,117 WARN L194 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2020-11-09 13:10:22,257 WARN L194 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-11-09 13:10:23,026 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-11-09 13:10:23,425 WARN L194 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2020-11-09 13:10:23,563 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-11-09 13:10:23,878 WARN L194 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2020-11-09 13:10:24,030 WARN L194 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-11-09 13:10:24,228 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-11-09 13:10:24,385 WARN L194 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-11-09 13:10:24,591 WARN L194 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-11-09 13:10:24,771 WARN L194 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-11-09 13:10:25,849 WARN L194 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 154 DAG size of output: 150 [2020-11-09 13:10:26,354 WARN L194 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-11-09 13:10:27,556 WARN L194 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 160 DAG size of output: 156 [2020-11-09 13:10:28,021 WARN L194 SmtUtils]: Spent 462.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-11-09 13:10:28,098 INFO L131 LiptonReduction]: Checked pairs total: 14738 [2020-11-09 13:10:28,100 INFO L133 LiptonReduction]: Total number of compositions: 124 [2020-11-09 13:10:28,101 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 45 places, 57 transitions, 132 flow [2020-11-09 13:10:28,244 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2270 states. [2020-11-09 13:10:28,245 INFO L276 IsEmpty]: Start isEmpty. Operand 2270 states. [2020-11-09 13:10:28,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-09 13:10:28,248 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 13:10:28,248 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-09 13:10:28,248 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 13:10:28,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 13:10:28,250 INFO L82 PathProgramCache]: Analyzing trace with hash 706034753, now seen corresponding path program 1 times [2020-11-09 13:10:28,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 13:10:28,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136039057] [2020-11-09 13:10:28,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 13:10:28,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 13:10:28,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 13:10:28,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136039057] [2020-11-09 13:10:28,348 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 13:10:28,348 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-09 13:10:28,348 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110274027] [2020-11-09 13:10:28,349 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 13:10:28,349 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 13:10:28,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 13:10:28,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 13:10:28,350 INFO L87 Difference]: Start difference. First operand 2270 states. Second operand 3 states. [2020-11-09 13:10:28,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 13:10:28,429 INFO L93 Difference]: Finished difference Result 2264 states and 6049 transitions. [2020-11-09 13:10:28,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 13:10:28,430 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-11-09 13:10:28,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 13:10:28,451 INFO L225 Difference]: With dead ends: 2264 [2020-11-09 13:10:28,451 INFO L226 Difference]: Without dead ends: 1395 [2020-11-09 13:10:28,452 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 13:10:28,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1395 states. [2020-11-09 13:10:28,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1395 to 1395. [2020-11-09 13:10:28,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1395 states. [2020-11-09 13:10:28,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 1395 states and 3715 transitions. [2020-11-09 13:10:28,566 INFO L78 Accepts]: Start accepts. Automaton has 1395 states and 3715 transitions. Word has length 5 [2020-11-09 13:10:28,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 13:10:28,566 INFO L481 AbstractCegarLoop]: Abstraction has 1395 states and 3715 transitions. [2020-11-09 13:10:28,566 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 13:10:28,567 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 3715 transitions. [2020-11-09 13:10:28,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-11-09 13:10:28,567 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 13:10:28,567 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 13:10:28,568 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-09 13:10:28,568 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 13:10:28,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 13:10:28,568 INFO L82 PathProgramCache]: Analyzing trace with hash 869240774, now seen corresponding path program 1 times [2020-11-09 13:10:28,569 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 13:10:28,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933340456] [2020-11-09 13:10:28,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 13:10:28,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 13:10:28,618 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 13:10:28,619 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933340456] [2020-11-09 13:10:28,619 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [787198408] [2020-11-09 13:10:28,619 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 [2020-11-09 13:10:28,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 13:10:28,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-09 13:10:28,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 13:10:28,760 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-09 13:10:28,761 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-11-09 13:10:28,761 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [3] total 4 [2020-11-09 13:10:28,762 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693611666] [2020-11-09 13:10:28,762 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 13:10:28,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 13:10:28,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 13:10:28,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 13:10:28,763 INFO L87 Difference]: Start difference. First operand 1395 states and 3715 transitions. Second operand 3 states. [2020-11-09 13:10:28,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 13:10:28,871 INFO L93 Difference]: Finished difference Result 1365 states and 3630 transitions. [2020-11-09 13:10:28,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 13:10:28,875 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-11-09 13:10:28,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 13:10:28,888 INFO L225 Difference]: With dead ends: 1365 [2020-11-09 13:10:28,888 INFO L226 Difference]: Without dead ends: 1365 [2020-11-09 13:10:28,889 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-09 13:10:28,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1365 states. [2020-11-09 13:10:28,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1365 to 1365. [2020-11-09 13:10:28,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1365 states. [2020-11-09 13:10:28,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1365 states to 1365 states and 3630 transitions. [2020-11-09 13:10:28,957 INFO L78 Accepts]: Start accepts. Automaton has 1365 states and 3630 transitions. Word has length 9 [2020-11-09 13:10:28,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 13:10:28,957 INFO L481 AbstractCegarLoop]: Abstraction has 1365 states and 3630 transitions. [2020-11-09 13:10:28,958 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 13:10:28,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1365 states and 3630 transitions. [2020-11-09 13:10:28,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-09 13:10:28,960 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 13:10:28,961 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2020-11-09 13:10:29,174 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 13:10:29,175 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 13:10:29,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 13:10:29,176 INFO L82 PathProgramCache]: Analyzing trace with hash 1969243065, now seen corresponding path program 1 times [2020-11-09 13:10:29,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 13:10:29,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129403165] [2020-11-09 13:10:29,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 13:10:29,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 13:10:29,198 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 13:10:29,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 13:10:29,216 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 13:10:29,226 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-09 13:10:29,226 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-09 13:10:29,227 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-09 13:10:29,227 WARN L386 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-11-09 13:10:29,228 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-11-09 13:10:29,241 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,242 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,257 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,257 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,258 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,258 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,258 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,258 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,258 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,258 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,259 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,259 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,259 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,259 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,259 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,260 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,260 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,260 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,260 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,260 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,260 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,260 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,261 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,261 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,261 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,261 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,261 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,262 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,262 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,262 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,262 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,262 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,262 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,262 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,263 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,263 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,263 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,263 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,263 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,264 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,264 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,264 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,264 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,264 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,264 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,264 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,265 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,265 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,265 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,265 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,265 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,265 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,266 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,266 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,266 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,266 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,266 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,266 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,267 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,267 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,267 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,267 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,267 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,267 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,268 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,268 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,268 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,268 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,268 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,268 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,269 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,269 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,272 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,272 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,272 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,273 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,273 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,273 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,273 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,273 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,273 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,273 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,274 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,274 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,274 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,274 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,274 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,275 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,275 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,275 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,275 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,275 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,275 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,275 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,276 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,276 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,276 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,276 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,276 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,276 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,276 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,277 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,277 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,277 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,277 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,277 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,277 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,278 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,278 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,278 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,278 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,279 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,279 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,282 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,282 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,282 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,283 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,283 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,283 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,283 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,287 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,287 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,298 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,299 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,300 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,300 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,300 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:29,304 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2020-11-09 13:10:29,305 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-11-09 13:10:29,305 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 13:10:29,306 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 13:10:29,306 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-09 13:10:29,306 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-09 13:10:29,306 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 13:10:29,306 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 13:10:29,306 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 13:10:29,306 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 13:10:29,308 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-09 13:10:29,308 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 151 places, 172 transitions, 374 flow [2020-11-09 13:10:29,309 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 151 places, 172 transitions, 374 flow [2020-11-09 13:10:29,309 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 151 places, 172 transitions, 374 flow [2020-11-09 13:10:29,363 INFO L129 PetriNetUnfolder]: 55/357 cut-off events. [2020-11-09 13:10:29,363 INFO L130 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2020-11-09 13:10:29,368 INFO L84 FinitePrefix]: Finished finitePrefix Result has 385 conditions, 357 events. 55/357 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 1273 event pairs, 1 based on Foata normal form. 0/294 useless extension candidates. Maximal degree in co-relation 245. Up to 16 conditions per place. [2020-11-09 13:10:29,387 INFO L116 LiptonReduction]: Number of co-enabled transitions 12768 [2020-11-09 13:10:35,907 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-11-09 13:10:36,041 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-11-09 13:10:36,174 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-11-09 13:10:36,290 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-11-09 13:10:36,878 WARN L194 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-11-09 13:10:37,021 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-11-09 13:10:37,194 WARN L194 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-11-09 13:10:37,203 INFO L375 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 13, 1] term [2020-11-09 13:10:37,203 INFO L603 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-11-09 13:10:37,368 WARN L194 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-09 13:10:37,873 WARN L194 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-11-09 13:10:38,261 WARN L194 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2020-11-09 13:10:38,675 WARN L194 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-11-09 13:10:39,109 WARN L194 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 150 [2020-11-09 13:10:40,044 WARN L194 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 150 [2020-11-09 13:10:40,543 WARN L194 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-11-09 13:10:41,704 WARN L194 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 167 DAG size of output: 159 [2020-11-09 13:10:42,202 WARN L194 SmtUtils]: Spent 495.00 ms on a formula simplification that was a NOOP. DAG size: 155 [2020-11-09 13:10:42,220 INFO L131 LiptonReduction]: Checked pairs total: 34000 [2020-11-09 13:10:42,220 INFO L133 LiptonReduction]: Total number of compositions: 144 [2020-11-09 13:10:42,221 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 59 places, 76 transitions, 182 flow [2020-11-09 13:10:45,610 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 28106 states. [2020-11-09 13:10:45,610 INFO L276 IsEmpty]: Start isEmpty. Operand 28106 states. [2020-11-09 13:10:45,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-11-09 13:10:45,610 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 13:10:45,611 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-11-09 13:10:45,611 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 13:10:45,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 13:10:45,612 INFO L82 PathProgramCache]: Analyzing trace with hash 1037002569, now seen corresponding path program 1 times [2020-11-09 13:10:45,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 13:10:45,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823553866] [2020-11-09 13:10:45,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 13:10:45,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 13:10:45,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 13:10:45,653 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823553866] [2020-11-09 13:10:45,653 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 13:10:45,653 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-11-09 13:10:45,653 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [434690364] [2020-11-09 13:10:45,653 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 13:10:45,654 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 13:10:45,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 13:10:45,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 13:10:45,654 INFO L87 Difference]: Start difference. First operand 28106 states. Second operand 3 states. [2020-11-09 13:10:46,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 13:10:46,242 INFO L93 Difference]: Finished difference Result 28043 states and 99617 transitions. [2020-11-09 13:10:46,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 13:10:46,243 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-11-09 13:10:46,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 13:10:46,599 INFO L225 Difference]: With dead ends: 28043 [2020-11-09 13:10:46,601 INFO L226 Difference]: Without dead ends: 16648 [2020-11-09 13:10:46,602 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 13:10:47,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16648 states. [2020-11-09 13:10:47,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16648 to 16648. [2020-11-09 13:10:47,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16648 states. [2020-11-09 13:10:47,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16648 states to 16648 states and 59458 transitions. [2020-11-09 13:10:47,933 INFO L78 Accepts]: Start accepts. Automaton has 16648 states and 59458 transitions. Word has length 5 [2020-11-09 13:10:47,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 13:10:47,933 INFO L481 AbstractCegarLoop]: Abstraction has 16648 states and 59458 transitions. [2020-11-09 13:10:47,934 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 13:10:47,934 INFO L276 IsEmpty]: Start isEmpty. Operand 16648 states and 59458 transitions. [2020-11-09 13:10:47,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-09 13:10:47,936 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 13:10:47,936 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 13:10:47,936 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-09 13:10:47,936 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 13:10:47,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 13:10:47,937 INFO L82 PathProgramCache]: Analyzing trace with hash 2093520465, now seen corresponding path program 1 times [2020-11-09 13:10:47,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 13:10:47,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273910280] [2020-11-09 13:10:47,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 13:10:47,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 13:10:48,234 WARN L194 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2020-11-09 13:10:48,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 13:10:48,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273910280] [2020-11-09 13:10:48,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1852640972] [2020-11-09 13:10:48,245 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 [2020-11-09 13:10:48,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 13:10:48,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2020-11-09 13:10:48,345 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-09 13:10:48,390 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 59 [2020-11-09 13:10:48,400 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 13:10:48,464 INFO L625 ElimStorePlain]: treesize reduction 40, result has 24.5 percent of original size [2020-11-09 13:10:48,467 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-11-09 13:10:48,467 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:17, output treesize:4 [2020-11-09 13:10:48,483 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-11-09 13:10:48,484 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 13:10:48,491 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 13:10:48,491 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-11-09 13:10:48,492 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:16, output treesize:12 [2020-11-09 13:10:48,516 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2020-11-09 13:10:48,517 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-11-09 13:10:48,526 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-11-09 13:10:48,529 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-11-09 13:10:48,530 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:23, output treesize:19 [2020-11-09 13:10:48,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-09 13:10:48,690 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-11-09 13:10:48,691 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2020-11-09 13:10:48,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500493666] [2020-11-09 13:10:48,691 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-09 13:10:48,692 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 13:10:48,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-09 13:10:48,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-11-09 13:10:48,693 INFO L87 Difference]: Start difference. First operand 16648 states and 59458 transitions. Second operand 6 states. [2020-11-09 13:10:48,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 13:10:48,909 INFO L93 Difference]: Finished difference Result 1530 states and 2699 transitions. [2020-11-09 13:10:48,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-09 13:10:48,910 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2020-11-09 13:10:48,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 13:10:48,914 INFO L225 Difference]: With dead ends: 1530 [2020-11-09 13:10:48,914 INFO L226 Difference]: Without dead ends: 1530 [2020-11-09 13:10:48,918 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-09 13:10:48,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1530 states. [2020-11-09 13:10:48,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1530 to 1406. [2020-11-09 13:10:48,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1406 states. [2020-11-09 13:10:48,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1406 states to 1406 states and 2519 transitions. [2020-11-09 13:10:48,961 INFO L78 Accepts]: Start accepts. Automaton has 1406 states and 2519 transitions. Word has length 14 [2020-11-09 13:10:48,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 13:10:48,962 INFO L481 AbstractCegarLoop]: Abstraction has 1406 states and 2519 transitions. [2020-11-09 13:10:48,962 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-11-09 13:10:48,963 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 2519 transitions. [2020-11-09 13:10:48,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-09 13:10:48,968 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 13:10:48,968 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-09 13:10:49,168 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-11-09 13:10:49,169 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 13:10:49,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 13:10:49,170 INFO L82 PathProgramCache]: Analyzing trace with hash -925537099, now seen corresponding path program 2 times [2020-11-09 13:10:49,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 13:10:49,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123713509] [2020-11-09 13:10:49,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 13:10:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-09 13:10:49,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-11-09 13:10:49,203 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123713509] [2020-11-09 13:10:49,203 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-09 13:10:49,204 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-09 13:10:49,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097982539] [2020-11-09 13:10:49,204 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-09 13:10:49,205 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-09 13:10:49,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-09 13:10:49,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 13:10:49,206 INFO L87 Difference]: Start difference. First operand 1406 states and 2519 transitions. Second operand 3 states. [2020-11-09 13:10:49,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-09 13:10:49,300 INFO L93 Difference]: Finished difference Result 1456 states and 2436 transitions. [2020-11-09 13:10:49,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-09 13:10:49,301 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2020-11-09 13:10:49,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-09 13:10:49,305 INFO L225 Difference]: With dead ends: 1456 [2020-11-09 13:10:49,305 INFO L226 Difference]: Without dead ends: 1441 [2020-11-09 13:10:49,306 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-09 13:10:49,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1441 states. [2020-11-09 13:10:49,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1441 to 1413. [2020-11-09 13:10:49,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1413 states. [2020-11-09 13:10:49,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1413 states to 1413 states and 2373 transitions. [2020-11-09 13:10:49,349 INFO L78 Accepts]: Start accepts. Automaton has 1413 states and 2373 transitions. Word has length 14 [2020-11-09 13:10:49,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-09 13:10:49,349 INFO L481 AbstractCegarLoop]: Abstraction has 1413 states and 2373 transitions. [2020-11-09 13:10:49,350 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-09 13:10:49,350 INFO L276 IsEmpty]: Start isEmpty. Operand 1413 states and 2373 transitions. [2020-11-09 13:10:49,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-09 13:10:49,350 INFO L414 BasicCegarLoop]: Found error trace [2020-11-09 13:10:49,351 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1] [2020-11-09 13:10:49,351 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-09 13:10:49,351 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-09 13:10:49,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-09 13:10:49,352 INFO L82 PathProgramCache]: Analyzing trace with hash 701232968, now seen corresponding path program 1 times [2020-11-09 13:10:49,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-09 13:10:49,352 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190083611] [2020-11-09 13:10:49,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-09 13:10:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 13:10:49,387 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 13:10:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-09 13:10:49,417 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-09 13:10:49,436 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-09 13:10:49,437 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-09 13:10:49,437 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-09 13:10:49,437 WARN L386 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-11-09 13:10:49,438 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-11-09 13:10:49,452 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,453 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,453 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,453 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,453 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,453 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,454 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,454 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,454 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,454 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,454 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,454 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,455 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,455 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,455 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,455 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,455 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,456 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,456 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,456 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,456 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,456 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,456 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,457 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,457 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,457 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,457 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,457 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,457 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,457 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,458 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,458 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,458 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,458 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,458 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,458 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,459 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,459 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,459 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,459 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,459 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,460 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,460 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,460 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,460 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,460 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,461 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,461 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,461 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,461 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,461 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,462 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,462 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,462 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,462 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,462 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,462 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,462 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,463 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,463 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,463 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,463 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,463 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,463 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,464 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,464 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,464 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,464 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,464 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,464 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,465 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,465 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,465 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,465 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,465 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,466 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,466 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,466 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,466 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,466 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,466 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,466 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,467 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,467 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,467 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,467 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,468 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,468 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,468 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,468 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,469 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,469 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,469 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,469 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,469 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,469 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,469 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,470 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,470 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,470 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,470 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,470 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,470 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,471 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,471 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,471 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,471 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,471 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,472 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,472 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,472 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,472 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,472 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,472 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,473 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,473 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,473 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,473 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,473 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,473 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,474 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,474 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,474 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,474 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,474 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,474 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,475 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,475 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,475 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,475 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,475 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,475 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,475 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,476 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,476 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,476 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,476 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,476 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,476 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,477 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,477 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,477 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,477 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,477 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,478 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,478 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,478 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,478 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,479 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,479 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,479 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,479 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,479 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,481 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,482 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,482 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,482 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,482 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,482 WARN L313 ript$VariableManager]: TermVariabe t_funThread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,483 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,483 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,483 WARN L313 ript$VariableManager]: TermVariabe |t_funThread2of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,485 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,486 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,486 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,486 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,486 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,486 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,487 WARN L313 ript$VariableManager]: TermVariabe t_funThread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,487 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,487 WARN L313 ript$VariableManager]: TermVariabe |t_funThread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,489 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,490 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,490 WARN L313 ript$VariableManager]: TermVariabe t_funThread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,490 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,490 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,491 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,491 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,491 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,491 WARN L313 ript$VariableManager]: TermVariabe |t_funThread4of4ForFork0_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-09 13:10:49,496 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-11-09 13:10:49,497 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2020-11-09 13:10:49,498 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-09 13:10:49,498 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-09 13:10:49,498 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-09 13:10:49,498 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-09 13:10:49,498 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-09 13:10:49,498 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-09 13:10:49,499 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-09 13:10:49,499 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-09 13:10:49,501 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-09 13:10:49,501 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 176 places, 202 transitions, 448 flow [2020-11-09 13:10:49,502 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 176 places, 202 transitions, 448 flow [2020-11-09 13:10:49,502 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 176 places, 202 transitions, 448 flow [2020-11-09 13:10:49,634 INFO L129 PetriNetUnfolder]: 87/541 cut-off events. [2020-11-09 13:10:49,635 INFO L130 PetriNetUnfolder]: For 48/48 co-relation queries the response was YES. [2020-11-09 13:10:49,643 INFO L84 FinitePrefix]: Finished finitePrefix Result has 596 conditions, 541 events. 87/541 cut-off events. For 48/48 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 2166 event pairs, 6 based on Foata normal form. 0/449 useless extension candidates. Maximal degree in co-relation 377. Up to 32 conditions per place. [2020-11-09 13:10:49,677 INFO L116 LiptonReduction]: Number of co-enabled transitions 20496 [2020-11-09 13:10:56,038 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2020-11-09 13:10:56,143 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-11-09 13:10:57,552 WARN L194 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2020-11-09 13:10:57,765 WARN L194 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2020-11-09 13:10:58,585 WARN L194 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2020-11-09 13:10:58,733 WARN L194 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-09 13:10:59,059 WARN L194 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2020-11-09 13:10:59,200 WARN L194 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-09 13:10:59,381 WARN L194 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-11-09 13:10:59,543 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-11-09 13:10:59,752 WARN L194 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2020-11-09 13:10:59,951 WARN L194 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2020-11-09 13:11:01,033 WARN L194 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 145 [2020-11-09 13:11:01,397 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 141 [2020-11-09 13:11:02,225 WARN L194 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 151 [2020-11-09 13:11:02,634 WARN L194 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 147 [2020-11-09 13:11:03,034 WARN L194 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2020-11-09 13:11:03,447 WARN L194 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 146 [2020-11-09 13:11:03,949 WARN L194 SmtUtils]: Spent 500.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2020-11-09 13:11:04,384 WARN L194 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2020-11-09 13:11:04,403 INFO L131 LiptonReduction]: Checked pairs total: 55874 [2020-11-09 13:11:04,403 INFO L133 LiptonReduction]: Total number of compositions: 162 [2020-11-09 13:11:04,403 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 73 places, 95 transitions, 234 flow Received shutdown request... [2020-11-09 13:14:14,814 WARN L546 AbstractCegarLoop]: Verification canceled [2020-11-09 13:14:14,817 WARN L250 ceAbstractionStarter]: Timeout [2020-11-09 13:14:14,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 01:14:14 BasicIcfg [2020-11-09 13:14:14,831 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-09 13:14:14,833 INFO L168 Benchmark]: Toolchain (without parser) took 250633.54 ms. Allocated memory was 167.8 MB in the beginning and 2.5 GB in the end (delta: 2.3 GB). Free memory was 142.6 MB in the beginning and 951.1 MB in the end (delta: -808.5 MB). Peak memory consumption was 2.0 GB. Max. memory is 8.0 GB. [2020-11-09 13:14:14,834 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 167.8 MB. Free memory is still 139.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-09 13:14:14,835 INFO L168 Benchmark]: CACSL2BoogieTranslator took 729.21 ms. Allocated memory is still 167.8 MB. Free memory was 141.8 MB in the beginning and 149.6 MB in the end (delta: -7.8 MB). Peak memory consumption was 33.4 MB. Max. memory is 8.0 GB. [2020-11-09 13:14:14,836 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.86 ms. Allocated memory is still 167.8 MB. Free memory was 149.6 MB in the beginning and 147.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-09 13:14:14,837 INFO L168 Benchmark]: Boogie Preprocessor took 46.93 ms. Allocated memory is still 167.8 MB. Free memory was 147.5 MB in the beginning and 145.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-11-09 13:14:14,838 INFO L168 Benchmark]: RCFGBuilder took 633.38 ms. Allocated memory is still 167.8 MB. Free memory was 145.9 MB in the beginning and 118.9 MB in the end (delta: 27.0 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. [2020-11-09 13:14:14,839 INFO L168 Benchmark]: TraceAbstraction took 249154.61 ms. Allocated memory was 167.8 MB in the beginning and 2.5 GB in the end (delta: 2.3 GB). Free memory was 118.1 MB in the beginning and 951.1 MB in the end (delta: -832.9 MB). Peak memory consumption was 1.9 GB. Max. memory is 8.0 GB. [2020-11-09 13:14:14,842 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 167.8 MB. Free memory is still 139.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 729.21 ms. Allocated memory is still 167.8 MB. Free memory was 141.8 MB in the beginning and 149.6 MB in the end (delta: -7.8 MB). Peak memory consumption was 33.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 56.86 ms. Allocated memory is still 167.8 MB. Free memory was 149.6 MB in the beginning and 147.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 46.93 ms. Allocated memory is still 167.8 MB. Free memory was 147.5 MB in the beginning and 145.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 633.38 ms. Allocated memory is still 167.8 MB. Free memory was 145.9 MB in the beginning and 118.9 MB in the end (delta: 27.0 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 249154.61 ms. Allocated memory was 167.8 MB in the beginning and 2.5 GB in the end (delta: 2.3 GB). Free memory was 118.1 MB in the beginning and 951.1 MB in the end (delta: -832.9 MB). Peak memory consumption was 1.9 GB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1380 VarBasedMoverChecksPositive, 106 VarBasedMoverChecksNegative, 79 SemBasedMoverChecksPositive, 27 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.5s, 124 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 10.6s, 101 PlacesBefore, 27 PlacesAfterwards, 112 TransitionsBefore, 34 TransitionsAfterwards, 2296 CoEnabledTransitionPairs, 6 FixpointIterations, 38 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 16 ConcurrentYvCompositions, 4 ChoiceCompositions, 103 TotalNumberOfCompositions, 3704 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 4088 VarBasedMoverChecksPositive, 328 VarBasedMoverChecksNegative, 280 SemBasedMoverChecksPositive, 48 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.0s, 472 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 10.9s, 126 PlacesBefore, 45 PlacesAfterwards, 142 TransitionsBefore, 57 TransitionsAfterwards, 6776 CoEnabledTransitionPairs, 6 FixpointIterations, 36 TrivialSequentialCompositions, 63 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 20 ConcurrentYvCompositions, 4 ChoiceCompositions, 124 TotalNumberOfCompositions, 14738 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 7674 VarBasedMoverChecksPositive, 923 VarBasedMoverChecksNegative, 833 SemBasedMoverChecksPositive, 90 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 2.1s, 1144 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 12.9s, 151 PlacesBefore, 59 PlacesAfterwards, 172 TransitionsBefore, 76 TransitionsAfterwards, 12768 CoEnabledTransitionPairs, 7 FixpointIterations, 35 TrivialSequentialCompositions, 80 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 22 ConcurrentYvCompositions, 4 ChoiceCompositions, 144 TotalNumberOfCompositions, 34000 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 11097 VarBasedMoverChecksPositive, 1407 VarBasedMoverChecksNegative, 1310 SemBasedMoverChecksPositive, 97 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 3.1s, 817 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 14.9s, 176 PlacesBefore, 73 PlacesAfterwards, 202 TransitionsBefore, 95 TransitionsAfterwards, 20496 CoEnabledTransitionPairs, 7 FixpointIterations, 35 TrivialSequentialCompositions, 94 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 27 ConcurrentYvCompositions, 4 ChoiceCompositions, 162 TotalNumberOfCompositions, 55874 MoverChecksTotal - TimeoutResultAtElement [Line: 683]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 683). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 73 places, 95 transitions, 234 flow. Already constructed 276238 states. Currently 27861 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 98 locations, 1 error locations. Started 4 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 248.8s, OverallIterations: 9, TraceHistogramMax: 4, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 243.4s, HoareTripleCheckerStatistics: 232 SDtfs, 148 SDslu, 143 SDs, 0 SdLazy, 121 SolverSat, 60 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28106occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 6 MinimizatonAttempts, 152 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 107 NumberOfCodeBlocks, 107 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 67 ConstructedInterpolants, 5 QuantifiedInterpolants, 3693 SizeOfPredicates, 6 NumberOfNonLiveVariables, 211 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 2/5 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown