/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_60-invariant_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-09 16:58:51,442 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-09 16:58:51,456 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-09 16:58:51,534 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-02-09 16:58:51,576 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-09 16:58:51,577 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-09 16:58:51,578 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-09 16:58:51,583 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks.epf [2022-02-09 16:58:51,616 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-09 16:58:51,616 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-09 16:58:51,617 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-09 16:58:51,617 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-09 16:58:51,618 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-09 16:58:51,618 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-09 16:58:51,618 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-09 16:58:51,618 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-09 16:58:51,619 INFO L138 SettingsManager]: * Use SBE=true [2022-02-09 16:58:51,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-09 16:58:51,623 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-09 16:58:51,623 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-09 16:58:51,623 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-09 16:58:51,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-09 16:58:51,624 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-09 16:58:51,624 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-09 16:58:51,624 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-09 16:58:51,624 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-09 16:58:51,624 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-09 16:58:51,624 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-09 16:58:51,624 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-09 16:58:51,625 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-09 16:58:51,625 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-09 16:58:51,625 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-09 16:58:51,626 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-09 16:58:51,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 16:58:51,626 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-09 16:58:51,627 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-09 16:58:51,627 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-09 16:58:51,627 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-09 16:58:51,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-09 16:58:51,627 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-09 16:58:51,627 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-09 16:58:51,627 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-09 16:58:51,628 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-09 16:58:51,628 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-09 16:58:51,868 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-09 16:58:51,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-09 16:58:51,887 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-09 16:58:51,888 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-09 16:58:51,889 INFO L275 PluginConnector]: CDTParser initialized [2022-02-09 16:58:51,890 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_60-invariant_racefree.i [2022-02-09 16:58:51,956 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab62ab7c9/f89f964639d14d8f83d8023044872118/FLAGd05942ed4 [2022-02-09 16:58:52,413 INFO L306 CDTParser]: Found 1 translation units. [2022-02-09 16:58:52,414 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_60-invariant_racefree.i [2022-02-09 16:58:52,430 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab62ab7c9/f89f964639d14d8f83d8023044872118/FLAGd05942ed4 [2022-02-09 16:58:52,768 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab62ab7c9/f89f964639d14d8f83d8023044872118 [2022-02-09 16:58:52,770 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-09 16:58:52,771 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-09 16:58:52,775 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-09 16:58:52,776 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-09 16:58:52,779 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-09 16:58:52,779 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 04:58:52" (1/1) ... [2022-02-09 16:58:52,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62ee81c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 04:58:52, skipping insertion in model container [2022-02-09 16:58:52,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.02 04:58:52" (1/1) ... [2022-02-09 16:58:52,786 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-09 16:58:52,833 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-09 16:58:53,084 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_60-invariant_racefree.i[30176,30189] [2022-02-09 16:58:53,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 16:58:53,135 INFO L203 MainTranslator]: Completed pre-run [2022-02-09 16:58:53,199 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_60-invariant_racefree.i[30176,30189] [2022-02-09 16:58:53,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-09 16:58:53,243 INFO L208 MainTranslator]: Completed translation [2022-02-09 16:58:53,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 04:58:53 WrapperNode [2022-02-09 16:58:53,244 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-09 16:58:53,245 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-09 16:58:53,245 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-09 16:58:53,245 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-09 16:58:53,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 04:58:53" (1/1) ... [2022-02-09 16:58:53,279 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 04:58:53" (1/1) ... [2022-02-09 16:58:53,311 INFO L137 Inliner]: procedures = 170, calls = 34, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 141 [2022-02-09 16:58:53,312 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-09 16:58:53,313 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-09 16:58:53,313 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-09 16:58:53,313 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-09 16:58:53,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 04:58:53" (1/1) ... [2022-02-09 16:58:53,320 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 04:58:53" (1/1) ... [2022-02-09 16:58:53,333 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 04:58:53" (1/1) ... [2022-02-09 16:58:53,333 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 04:58:53" (1/1) ... [2022-02-09 16:58:53,342 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 04:58:53" (1/1) ... [2022-02-09 16:58:53,346 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 04:58:53" (1/1) ... [2022-02-09 16:58:53,348 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 04:58:53" (1/1) ... [2022-02-09 16:58:53,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-09 16:58:53,359 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-09 16:58:53,360 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-09 16:58:53,360 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-09 16:58:53,361 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 04:58:53" (1/1) ... [2022-02-09 16:58:53,370 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-09 16:58:53,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 16:58:53,397 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-09 16:58:53,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-09 16:58:53,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-09 16:58:53,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-09 16:58:53,444 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-09 16:58:53,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-09 16:58:53,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-09 16:58:53,444 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-09 16:58:53,444 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-09 16:58:53,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-09 16:58:53,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-09 16:58:53,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-09 16:58:53,445 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-09 16:58:53,446 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-09 16:58:53,553 INFO L234 CfgBuilder]: Building ICFG [2022-02-09 16:58:53,554 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-09 16:58:53,760 INFO L275 CfgBuilder]: Performing block encoding [2022-02-09 16:58:53,768 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-09 16:58:53,768 INFO L299 CfgBuilder]: Removed 18 assume(true) statements. [2022-02-09 16:58:53,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 04:58:53 BoogieIcfgContainer [2022-02-09 16:58:53,771 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-09 16:58:53,772 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-09 16:58:53,772 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-09 16:58:53,776 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-09 16:58:53,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.02 04:58:52" (1/3) ... [2022-02-09 16:58:53,776 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75f37c72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 04:58:53, skipping insertion in model container [2022-02-09 16:58:53,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.02 04:58:53" (2/3) ... [2022-02-09 16:58:53,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75f37c72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.02 04:58:53, skipping insertion in model container [2022-02-09 16:58:53,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.02 04:58:53" (3/3) ... [2022-02-09 16:58:53,778 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_60-invariant_racefree.i [2022-02-09 16:58:53,783 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-09 16:58:53,783 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-09 16:58:53,784 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-02-09 16:58:53,784 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-09 16:58:53,825 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,825 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,826 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,826 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,826 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,826 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,826 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,826 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,827 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,827 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,827 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,827 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,828 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,828 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,828 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,829 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,829 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,829 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,829 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,829 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,830 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,830 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,830 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,830 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,833 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,833 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,833 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,833 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,833 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,834 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,834 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,834 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,834 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,834 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,835 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,835 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,835 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,835 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,835 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,836 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,836 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,847 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,848 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,848 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,848 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,848 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,848 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,849 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,849 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,849 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,849 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:53,855 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-02-09 16:58:53,895 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 16:58:53,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 16:58:53,897 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-09 16:58:53,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-09 16:58:53,927 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 16:58:53,933 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-09 16:58:53,933 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-09 16:58:53,950 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 127 places, 146 transitions, 300 flow [2022-02-09 16:58:54,073 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1865 states, 1858 states have (on average 2.3692142088266954) internal successors, (4402), 1864 states have internal predecessors, (4402), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 16:58:54,093 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 66 transitions and produced 67 states. [2022-02-09 16:58:54,095 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-09 16:58:54,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 16:58:54,100 INFO L85 PathProgramCache]: Analyzing trace with hash 972670436, now seen corresponding path program 1 times [2022-02-09 16:58:54,108 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 16:58:54,109 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546152408] [2022-02-09 16:58:54,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 16:58:54,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 16:58:54,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 16:58:54,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 16:58:54,311 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 16:58:54,311 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546152408] [2022-02-09 16:58:54,312 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546152408] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 16:58:54,312 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 16:58:54,312 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 16:58:54,314 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444268487] [2022-02-09 16:58:54,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 16:58:54,317 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-09 16:58:54,317 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 16:58:54,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-09 16:58:54,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-09 16:58:54,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:58:54,337 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 16:58:54,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 16:58:54,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:58:54,354 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 66 transitions and produced 67 states. [2022-02-09 16:58:54,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:58:54,354 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-09 16:58:54,355 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-09 16:58:54,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 16:58:54,358 INFO L85 PathProgramCache]: Analyzing trace with hash 1934284453, now seen corresponding path program 1 times [2022-02-09 16:58:54,358 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 16:58:54,358 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056664909] [2022-02-09 16:58:54,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 16:58:54,359 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 16:58:54,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 16:58:54,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 16:58:54,456 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 16:58:54,457 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056664909] [2022-02-09 16:58:54,457 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056664909] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 16:58:54,457 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 16:58:54,457 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-09 16:58:54,458 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335237866] [2022-02-09 16:58:54,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 16:58:54,460 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 16:58:54,460 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 16:58:54,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 16:58:54,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 16:58:54,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:58:54,461 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 16:58:54,462 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 16:58:54,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:58:54,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:58:54,524 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 111 transitions and produced 112 states. [2022-02-09 16:58:54,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:58:54,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 16:58:54,548 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-09 16:58:54,549 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-09 16:58:54,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 16:58:54,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1554105307, now seen corresponding path program 1 times [2022-02-09 16:58:54,551 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 16:58:54,551 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416993400] [2022-02-09 16:58:54,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 16:58:54,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 16:58:54,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 16:58:54,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 16:58:54,698 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 16:58:54,699 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416993400] [2022-02-09 16:58:54,699 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1416993400] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 16:58:54,699 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1244926109] [2022-02-09 16:58:54,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 16:58:54,700 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 16:58:54,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 16:58:54,707 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 16:58:54,723 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-09 16:58:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 16:58:54,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-09 16:58:54,814 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 16:58:55,005 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 16:58:55,005 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 16:58:55,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 16:58:55,173 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1244926109] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 16:58:55,174 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 16:58:55,174 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-09 16:58:55,174 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069663885] [2022-02-09 16:58:55,174 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 16:58:55,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 16:58:55,176 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 16:58:55,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 16:58:55,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-09 16:58:55,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:58:55,178 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 16:58:55,178 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.8) internal successors, (88), 10 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 16:58:55,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:58:55,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 16:58:55,178 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:58:55,244 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 84 transitions and produced 85 states. [2022-02-09 16:58:55,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:58:55,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 16:58:55,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 16:58:55,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-09 16:58:55,467 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-02-09 16:58:55,468 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-09 16:58:55,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 16:58:55,468 INFO L85 PathProgramCache]: Analyzing trace with hash 906849553, now seen corresponding path program 1 times [2022-02-09 16:58:55,469 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 16:58:55,469 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634494001] [2022-02-09 16:58:55,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 16:58:55,469 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 16:58:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 16:58:55,583 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-09 16:58:55,584 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 16:58:55,584 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634494001] [2022-02-09 16:58:55,584 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634494001] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 16:58:55,585 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 16:58:55,585 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-09 16:58:55,585 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587472550] [2022-02-09 16:58:55,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 16:58:55,585 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-09 16:58:55,585 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 16:58:55,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-09 16:58:55,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-09 16:58:55,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:58:55,586 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 16:58:55,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 16:58:55,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:58:55,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 16:58:55,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 16:58:55,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:58:55,628 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 95 transitions and produced 96 states. [2022-02-09 16:58:55,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:58:55,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 16:58:55,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 16:58:55,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 16:58:55,629 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-09 16:58:55,629 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-02-09 16:58:55,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 16:58:55,630 INFO L85 PathProgramCache]: Analyzing trace with hash -142775432, now seen corresponding path program 1 times [2022-02-09 16:58:55,630 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 16:58:55,630 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200416069] [2022-02-09 16:58:55,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 16:58:55,631 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 16:58:55,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 16:58:55,675 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-09 16:58:55,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 16:58:55,726 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-09 16:58:55,727 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-09 16:58:55,727 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (3 of 4 remaining) [2022-02-09 16:58:55,733 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2022-02-09 16:58:55,733 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2022-02-09 16:58:55,733 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2022-02-09 16:58:55,733 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-09 16:58:55,744 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-02-09 16:58:55,745 WARN L235 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-02-09 16:58:55,745 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-02-09 16:58:55,762 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,763 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,764 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,765 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,766 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,767 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,768 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,769 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,771 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,772 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,773 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,774 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,774 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,774 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,775 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,775 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,775 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,775 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,775 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,775 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,776 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,777 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,778 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,782 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,783 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,784 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,786 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,788 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,790 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,791 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,791 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,791 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,791 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,791 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,791 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,792 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of2ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:55,797 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-02-09 16:58:55,801 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 16:58:55,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 16:58:55,804 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-09 16:58:55,815 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 16:58:55,816 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-09 16:58:55,816 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-02-09 16:58:55,818 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 167 places, 195 transitions, 408 flow [2022-02-09 16:58:55,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-02-09 16:58:58,455 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 74817 states, 74798 states have (on average 3.603478702639108) internal successors, (269533), 74816 states have internal predecessors, (269533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 16:58:58,458 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 66 transitions and produced 67 states. [2022-02-09 16:58:58,458 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-09 16:58:58,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 16:58:58,459 INFO L85 PathProgramCache]: Analyzing trace with hash 775684196, now seen corresponding path program 1 times [2022-02-09 16:58:58,459 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 16:58:58,459 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056506432] [2022-02-09 16:58:58,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 16:58:58,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 16:58:58,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 16:58:58,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 16:58:58,508 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 16:58:58,508 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056506432] [2022-02-09 16:58:58,508 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056506432] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 16:58:58,508 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 16:58:58,509 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-09 16:58:58,509 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24784422] [2022-02-09 16:58:58,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 16:58:58,509 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-09 16:58:58,509 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 16:58:58,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-09 16:58:58,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-09 16:58:58,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:58:58,510 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 16:58:58,510 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 16:58:58,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:58:58,515 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 66 transitions and produced 67 states. [2022-02-09 16:58:58,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:58:58,515 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-09 16:58:58,515 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-09 16:58:58,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 16:58:58,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1737298213, now seen corresponding path program 1 times [2022-02-09 16:58:58,516 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 16:58:58,516 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335454732] [2022-02-09 16:58:58,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 16:58:58,516 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 16:58:58,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 16:58:58,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 16:58:58,556 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 16:58:58,556 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335454732] [2022-02-09 16:58:58,556 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335454732] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 16:58:58,556 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 16:58:58,557 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-09 16:58:58,557 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221043306] [2022-02-09 16:58:58,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 16:58:58,558 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-09 16:58:58,558 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 16:58:58,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-09 16:58:58,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-09 16:58:58,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:58:58,560 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 16:58:58,695 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 16:58:58,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:58:58,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:58:58,723 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 111 transitions and produced 112 states. [2022-02-09 16:58:58,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:58:58,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 16:58:58,724 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-09 16:58:58,724 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-09 16:58:58,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 16:58:58,724 INFO L85 PathProgramCache]: Analyzing trace with hash -765238092, now seen corresponding path program 1 times [2022-02-09 16:58:58,724 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 16:58:58,724 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75816732] [2022-02-09 16:58:58,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 16:58:58,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 16:58:58,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 16:58:58,782 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 16:58:58,783 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 16:58:58,783 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75816732] [2022-02-09 16:58:58,783 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75816732] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-09 16:58:58,783 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [541301485] [2022-02-09 16:58:58,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 16:58:58,783 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 16:58:58,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 16:58:58,828 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-09 16:58:58,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-09 16:58:58,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 16:58:58,902 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-09 16:58:58,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-09 16:58:59,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 16:58:59,059 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-09 16:58:59,174 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-09 16:58:59,174 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [541301485] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-09 16:58:59,175 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-09 16:58:59,175 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-09 16:58:59,175 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498162042] [2022-02-09 16:58:59,175 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-09 16:58:59,175 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-09 16:58:59,175 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 16:58:59,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-09 16:58:59,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-09 16:58:59,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:58:59,176 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 16:58:59,177 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.8) internal successors, (88), 10 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 16:58:59,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:58:59,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 16:58:59,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:58:59,216 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 84 transitions and produced 85 states. [2022-02-09 16:58:59,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:58:59,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 16:58:59,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-09 16:58:59,247 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-09 16:58:59,431 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-09 16:58:59,431 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-09 16:58:59,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 16:58:59,432 INFO L85 PathProgramCache]: Analyzing trace with hash -260322587, now seen corresponding path program 1 times [2022-02-09 16:58:59,432 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 16:58:59,432 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604893981] [2022-02-09 16:58:59,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 16:58:59,432 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 16:58:59,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 16:58:59,490 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-09 16:58:59,491 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 16:58:59,491 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1604893981] [2022-02-09 16:58:59,491 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1604893981] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 16:58:59,491 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 16:58:59,491 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-09 16:58:59,491 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028432020] [2022-02-09 16:58:59,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 16:58:59,493 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-09 16:58:59,493 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 16:58:59,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-09 16:58:59,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-09 16:58:59,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:58:59,493 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 16:58:59,494 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 16:58:59,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:58:59,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 16:58:59,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-09 16:58:59,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:58:59,548 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 143 transitions and produced 144 states. [2022-02-09 16:58:59,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:58:59,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 16:58:59,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 16:58:59,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 16:58:59,549 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-09 16:58:59,549 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-09 16:58:59,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 16:58:59,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1515864540, now seen corresponding path program 1 times [2022-02-09 16:58:59,550 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 16:58:59,550 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868707070] [2022-02-09 16:58:59,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 16:58:59,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 16:58:59,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-09 16:58:59,651 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-09 16:58:59,652 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-09 16:58:59,652 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868707070] [2022-02-09 16:58:59,652 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868707070] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-09 16:58:59,652 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-09 16:58:59,652 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-02-09 16:58:59,652 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598029594] [2022-02-09 16:58:59,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-09 16:58:59,653 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-02-09 16:58:59,653 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-09 16:58:59,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-02-09 16:58:59,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-02-09 16:58:59,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:58:59,654 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-09 16:58:59,654 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-09 16:58:59,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:58:59,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-09 16:58:59,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-09 16:58:59,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-09 16:58:59,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:58:59,753 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 154 transitions and produced 155 states. [2022-02-09 16:58:59,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-09 16:58:59,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-09 16:58:59,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-09 16:58:59,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-09 16:58:59,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-09 16:58:59,754 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-09 16:58:59,754 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-02-09 16:58:59,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-09 16:58:59,754 INFO L85 PathProgramCache]: Analyzing trace with hash -979104501, now seen corresponding path program 1 times [2022-02-09 16:58:59,754 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-09 16:58:59,754 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127368779] [2022-02-09 16:58:59,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-09 16:58:59,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-09 16:58:59,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 16:58:59,779 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-09 16:58:59,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-09 16:58:59,799 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-09 16:58:59,800 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-09 16:58:59,800 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 5 remaining) [2022-02-09 16:58:59,800 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2022-02-09 16:58:59,800 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2022-02-09 16:58:59,800 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2022-02-09 16:58:59,800 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2022-02-09 16:58:59,801 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-09 16:58:59,801 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-02-09 16:58:59,801 WARN L235 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-02-09 16:58:59,802 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-02-09 16:58:59,812 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,812 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,813 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,813 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,813 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,813 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,813 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,813 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,813 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,813 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,814 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,814 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,814 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,814 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,814 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,814 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,814 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,814 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,814 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,815 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,815 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,815 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,815 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,815 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,815 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,815 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,815 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,815 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,816 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,816 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,816 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,816 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,816 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,816 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,816 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,816 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,816 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,816 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,817 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,817 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,817 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,817 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,817 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,817 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,817 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,817 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,817 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,817 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,818 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,818 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,818 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,818 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,818 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,818 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,819 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,819 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,819 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,819 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,819 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,819 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,819 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,819 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,819 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,819 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,820 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,820 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,820 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,820 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,820 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,820 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,820 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,820 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,821 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,821 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,821 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,821 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,821 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,821 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,821 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,821 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,822 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,822 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,822 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,822 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,822 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,822 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,822 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,822 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,822 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,822 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,822 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,823 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,823 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,823 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,823 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,823 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,823 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,823 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,823 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,823 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,823 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,824 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,824 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,824 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,824 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,824 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,824 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,825 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,825 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,825 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,825 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,825 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,825 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,825 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,825 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,825 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,825 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,825 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,826 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,826 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,826 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,826 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,826 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,826 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,826 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,826 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,826 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,826 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,827 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,827 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,827 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,827 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,827 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,827 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,827 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,827 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,827 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,827 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,827 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,828 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,828 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,828 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,828 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,828 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,828 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,828 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,828 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,829 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,829 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,829 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,829 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,829 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,829 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,829 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,829 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,829 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,830 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,830 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,830 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,830 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,830 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,830 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,830 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,830 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,830 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,830 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,831 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread2of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,832 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,833 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet4#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,833 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet5#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,833 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,833 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,833 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,833 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,833 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,833 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~nondet3#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,833 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,833 WARN L322 ript$VariableManager]: TermVariabe |t_funThread3of3ForFork0_#t~post6#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-09 16:58:59,836 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-09 16:58:59,837 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-09 16:58:59,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-09 16:58:59,838 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-09 16:58:59,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2022-02-09 16:58:59,841 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-09 16:58:59,842 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=false, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-09 16:58:59,842 INFO L340 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-02-09 16:58:59,844 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 207 places, 244 transitions, 518 flow